添加文件系统

app/src/main/AndroidManifest.xml

@@ -27,6 +27,9 @@
     <uses-permission android:name="android.permission.INTERNET"/> <!-- 查看网络连接 -->
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> <!-- 查看WLAN连接 -->
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/> <!-- 修改或删除您的USB存储设备中的内容 -->
+
+    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEM"/>
+
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <!-- 读取您的USB存储设备中的内容 -->
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/> <!-- 拨打电话 -->
     <!-- <uses-permission android:name="android.permission.CALL_PHONE" /> -->
@@ -87,15 +90,17 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".ui.font.FontsActivity">
+        <activity android:name=".ui.font.FontsActivity"/>
-        </activity>
+
-        <activity android:name=".ui.user.LoginActivity">
+        <activity android:name=".ui.user.LoginActivity"/>
-        </activity>
+
-        <activity android:name=".ui.user.RegisterActivity">
+        <activity android:name=".ui.user.RegisterActivity"/>
-        </activity>
+
-        <activity android:name=".ui.read.catalog.CatalogActivity">
+        <activity android:name=".ui.read.catalog.CatalogActivity"/>
-        </activity><activity android:name=".ui.about.AboutActivity">
+        <activity android:name=".ui.about.AboutActivity"/>
-        </activity>
+
+
+        <activity android:name=".ui.filesys.FileSystemActivity"/>
     </application>
 
 </manifest>

app/src/main/assets/updatelog.fy

@@ -1,3 +1,9 @@
+2020.08.12
+风月读书v1.20.081221
+1、新增本地书籍导入页面(不再使用系统文件管理器导入)，支持一次性导入多本书籍
+2、新增智能导入(扫描)本地书籍
+3、修复书架没有书籍时退出闪退的问题
+
 2020.08.07
 风月读书v1.20.080709
 1、修复搜索书籍滑动混乱的问题

app/src/main/java/xyz/fycz/myreader/backup/BackupAndRestore.java

@@ -18,7 +18,7 @@ import java.util.List;
 
 public class BackupAndRestore {
 
-    BookService mBookService = new BookService();
+    BookService mBookService = BookService.getInstance();
 
     /**
      * 备份书架

app/src/main/java/xyz/fycz/myreader/base/BaseActivity.java

@@ -127,8 +127,4 @@ public class BaseActivity extends AppCompatActivity {
     }
 
 
-
-
-
-
 }

app/src/main/java/xyz/fycz/myreader/base/BaseActivity2.java

@@ -0,0 +1,127 @@
+package xyz.fycz.myreader.base;
+
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
+
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.util.StatusBarCompat;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+public abstract class BaseActivity2 extends AppCompatActivity {
+    private static final int INVALID_VAL = -1;
+
+    protected CompositeDisposable mDisposable;
+    //ButterKnife
+    private Toolbar mToolbar;
+
+    private Unbinder unbinder;
+    /****************************abstract area*************************************/
+
+    @LayoutRes
+    protected abstract int getContentId();
+
+    /************************init area************************************/
+    protected void addDisposable(Disposable d){
+        if (mDisposable == null){
+            mDisposable = new CompositeDisposable();
+        }
+        mDisposable.add(d);
+    }
+
+    /**
+     * 配置Toolbar
+     * @param toolbar
+     */
+    protected void setUpToolbar(Toolbar toolbar){
+    }
+
+    protected void initData(Bundle savedInstanceState){
+    }
+    /**
+     * 初始化零件
+     */
+    protected void initWidget() {
+
+    }
+    /**
+     * 初始化点击事件
+     */
+    protected void initClick(){
+    }
+    /**
+     * 逻辑使用区
+     */
+    protected void processLogic(){
+    }
+
+    /*************************lifecycle area*****************************************************/
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(getContentId());
+        initData(savedInstanceState);
+        unbinder = ButterKnife.bind(this);
+        initToolbar();
+        initWidget();
+        initClick();
+        processLogic();
+    }
+
+    private void initToolbar(){
+        //更严谨是通过反射判断是否存在Toolbar
+        mToolbar = findViewById(R.id.toolbar);
+        if (mToolbar != null){
+            supportActionBar(mToolbar);
+            setUpToolbar(mToolbar);
+        }
+    }
+
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        unbinder.unbind();
+        if (mDisposable != null){
+            mDisposable.dispose();
+        }
+    }
+
+    /**************************used method area*******************************************/
+
+    protected void startActivity(Class<? extends AppCompatActivity> activity){
+        Intent intent = new Intent(this,activity);
+        startActivity(intent);
+    }
+
+    protected ActionBar supportActionBar(Toolbar toolbar){
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null){
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayShowHomeEnabled(true);
+        }
+        mToolbar.setNavigationOnClickListener(
+                (v) -> finish()
+        );
+        return actionBar;
+    }
+
+    protected void setStatusBarColor(int statusColor){
+        StatusBarCompat.compat(this, ContextCompat.getColor(this, statusColor));
+    }
+}

app/src/main/java/xyz/fycz/myreader/base/BaseFragment.java

@@ -0,0 +1,104 @@
+package xyz.fycz.myreader.base;
+
+import android.os.Bundle;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public abstract class BaseFragment extends Fragment {
+
+    protected CompositeDisposable mDisposable;
+
+    private View root = null;
+    private Unbinder unbinder;
+
+    @LayoutRes
+    protected abstract int getContentId();
+
+    /*******************************init area*********************************/
+    protected void addDisposable(Disposable d){
+        if (mDisposable == null){
+            mDisposable = new CompositeDisposable();
+        }
+        mDisposable.add(d);
+    }
+
+
+    protected void initData(Bundle savedInstanceState){
+    }
+
+    /**
+     * 初始化点击事件
+     */
+    protected void initClick(){
+    }
+
+    /**
+     * 逻辑使用区
+     */
+    protected void processLogic(){
+    }
+
+    /**
+     * 初始化零件
+     */
+    protected void initWidget(Bundle savedInstanceState){
+    }
+
+    /******************************lifecycle area*****************************************/
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        int resId = getContentId();
+        root = inflater.inflate(resId,container,false);
+        return root;
+    }
+
+    @Override
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        initData(savedInstanceState);
+        unbinder = ButterKnife.bind(this,root);
+        initWidget(savedInstanceState);
+        initClick();
+        processLogic();
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+
+        unbinder.unbind();
+
+        if (mDisposable != null){
+            mDisposable.clear();
+        }
+    }
+
+    /**************************公共类*******************************************/
+    public String getName(){
+        return getClass().getName();
+    }
+
+    protected <VT> VT getViewById(int id){
+        if (root == null){
+            return  null;
+        }
+        return (VT) root.findViewById(id);
+    }
+}
+
+

app/src/main/java/xyz/fycz/myreader/base/BaseListAdapter.java

@@ -0,0 +1,154 @@
+package xyz.fycz.myreader.base;
+
+import android.os.Handler;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public abstract class BaseListAdapter<T> extends RecyclerView.Adapter<RecyclerView.ViewHolder>{
+
+    private static final String TAG = "BaseListAdapter";
+    /*common statement*/
+    protected final List<T> mList = new ArrayList<>();
+    protected OnItemClickListener mClickListener;
+    protected OnItemLongClickListener mLongClickListener;
+
+    /************************abstract area************************/
+    protected abstract IViewHolder<T> createViewHolder(int viewType);
+
+    /*************************rewrite logic area***************************************/
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        IViewHolder<T> viewHolder = createViewHolder(viewType);
+
+        View view = viewHolder.createItemView(parent);
+        //初始化
+        RecyclerView.ViewHolder holder = new BaseViewHolder(view, viewHolder);
+        return holder;
+    }
+
+    @Override
+    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+        //防止别人直接使用RecyclerView.ViewHolder调用该方法
+        if (!(holder instanceof BaseViewHolder))
+            throw new IllegalArgumentException("The ViewHolder item must extend BaseViewHolder");
+
+        IViewHolder<T> iHolder = ((BaseViewHolder) holder).holder;
+        iHolder.onBind(getItem(position),position);
+
+        //设置点击事件
+        holder.itemView.setOnClickListener((v)->{
+            if (mClickListener != null){
+                mClickListener.onItemClick(v,position);
+            }
+            //adapter监听点击事件
+            iHolder.onClick();
+            onItemClick(v,position);
+        });
+        //设置长点击事件
+        holder.itemView.setOnLongClickListener(
+                (v) -> {
+                    boolean isClicked = false;
+                    if (mLongClickListener != null){
+                        isClicked =  mLongClickListener.onItemLongClick(v,position);
+                    }
+                    //Adapter监听长点击事件
+                    onItemLongClick(v,position);
+                    return isClicked;
+                }
+        );
+    }
+
+    @Override
+    public int getItemCount() {
+        return mList.size();
+    }
+
+    protected void onItemClick(View v, int pos){
+    }
+
+    protected void onItemLongClick(View v, int pos){
+    }
+
+    /******************************public area***********************************/
+
+    public void setOnItemClickListener(OnItemClickListener mListener) {
+        this.mClickListener = mListener;
+    }
+
+    public void setOnItemLongClickListener(OnItemLongClickListener mListener){
+        this.mLongClickListener = mListener;
+    }
+
+    public void addItem(T value){
+        mList.add(value);
+        notifyDataSetChanged();
+    }
+
+    public void addItem(int index,T value){
+        mList.add(index, value);
+        notifyDataSetChanged();
+    }
+
+    public void addItems(List<T> values){
+        mList.addAll(values);
+
+        Handler handler = new Handler();
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                notifyDataSetChanged();
+            }
+        });
+    }
+
+    public void removeItem(T value){
+        mList.remove(value);
+        notifyDataSetChanged();
+    }
+
+    public void removeItems(List<T> value){
+        mList.removeAll(value);
+        notifyDataSetChanged();
+    }
+
+    public T getItem(int position){
+        return mList.get(position);
+    }
+
+    public List<T> getItems(){
+        return Collections.unmodifiableList(mList);
+    }
+
+    public int getItemSize(){
+        return mList.size();
+    }
+
+    public void refreshItems(List<T> list){
+        mList.clear();
+        mList.addAll(list);
+        notifyDataSetChanged();
+    }
+
+    public void clear(){
+        mList.clear();
+    }
+
+    /***************************inner class area***********************************/
+    public interface OnItemClickListener{
+        void onItemClick(View view, int pos);
+    }
+
+    public interface OnItemLongClickListener{
+        boolean onItemLongClick(View view, int pos);
+    }
+}

app/src/main/java/xyz/fycz/myreader/base/BaseTabActivity.java

@@ -0,0 +1,86 @@
+package xyz.fycz.myreader.base;
+
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentPagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+import butterknife.BindView;
+import com.google.android.material.tabs.TabLayout;
+import xyz.fycz.myreader.R;
+
+import java.util.List;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public abstract class BaseTabActivity extends BaseActivity2 {
+    /**************View***************/
+    @BindView(R.id.tab_tl_indicator)
+    protected TabLayout mTlIndicator;
+    @BindView(R.id.tab_vp)
+    protected ViewPager mVp;
+    /************Params*******************/
+    private List<Fragment> mFragmentList;
+    private List<String> mTitleList;
+
+    /**************abstract***********/
+    protected abstract List<Fragment> createTabFragments();
+    protected abstract List<String> createTabTitles();
+
+    /*****************rewrite method***************************/
+    @Override
+    protected void initWidget() {
+        super.initWidget();
+        setUpTabLayout();
+    }
+
+    private void setUpTabLayout(){
+        mFragmentList = createTabFragments();
+        mTitleList = createTabTitles();
+
+        checkParamsIsRight();
+
+        TabFragmentPageAdapter adapter = new TabFragmentPageAdapter(getSupportFragmentManager());
+        mVp.setAdapter(adapter);
+        mVp.setOffscreenPageLimit(3);
+        mTlIndicator.setupWithViewPager(mVp);
+    }
+
+    /**
+     * 检查输入的参数是否正确。即Fragment和title是成对的。
+     */
+    private void checkParamsIsRight(){
+        if (mFragmentList == null || mTitleList == null){
+            throw new IllegalArgumentException("fragmentList or titleList doesn't have null");
+        }
+
+        if (mFragmentList.size() != mTitleList.size())
+            throw new IllegalArgumentException("fragment and title size must equal");
+    }
+
+    /******************inner class*****************/
+    class TabFragmentPageAdapter extends FragmentPagerAdapter {
+
+        public TabFragmentPageAdapter(FragmentManager fm) {
+            super(fm);
+        }
+
+        @Override
+        public Fragment getItem(int position) {
+            return mFragmentList.get(position);
+        }
+
+        @Override
+        public int getCount() {
+            return mFragmentList.size();
+        }
+
+        @Override
+        public CharSequence getPageTitle(int position) {
+            return mTitleList.get(position);
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/base/BaseViewHolder.java

@@ -0,0 +1,19 @@
+package xyz.fycz.myreader.base;
+
+import android.view.View;
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public class BaseViewHolder<T> extends RecyclerView.ViewHolder{
+    public IViewHolder<T> holder;
+
+    public BaseViewHolder(View itemView, IViewHolder<T> holder) {
+        super(itemView);
+        this.holder = holder;
+        holder.initView();
+    }
+}

app/src/main/java/xyz/fycz/myreader/base/IViewHolder.java

@@ -0,0 +1,16 @@
+package xyz.fycz.myreader.base;
+
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public interface IViewHolder<T> {
+    View createItemView(ViewGroup parent);
+    void initView();
+    void onBind(T data,int pos);
+    void onClick();
+}

app/src/main/java/xyz/fycz/myreader/base/ViewHolderImpl.java

@@ -0,0 +1,43 @@
+package xyz.fycz.myreader.base;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public abstract class ViewHolderImpl<T> implements IViewHolder<T> {
+    private View view;
+    private Context context;
+    /****************************************************/
+    protected abstract int getItemLayoutId();
+
+
+    @Override
+    public View createItemView(ViewGroup parent) {
+        view = LayoutInflater.from(parent.getContext())
+                .inflate(getItemLayoutId(), parent, false);
+        context = parent.getContext();
+        return view;
+    }
+
+    protected <V extends View> V findById(int id){
+        return (V) view.findViewById(id);
+    }
+
+    protected Context getContext(){
+        return context;
+    }
+
+    protected View getItemView(){
+        return view;
+    }
+
+    @Override
+    public void onClick() {
+    }
+}

app/src/main/java/xyz/fycz/myreader/common/APPCONST.java

@@ -65,6 +65,10 @@ public class APPCONST {
 
     public static final int SELECT_FILE_CODE = 10000;
 
+    public static final int PERMISSIONS_REQUEST_STORAGE = 10001;
+
     //设置版本号
     public static final int SETTING_VERSION = 1;
+
+    public static final String FORMAT_FILE_DATE = "yyyy-MM-dd";
 }

app/src/main/java/xyz/fycz/myreader/controller/SyncChaptersController.java

@@ -19,7 +19,7 @@ public class SyncChaptersController {
         mLocalChapters = localChapters;
         mNetChapters = netChapters;
         mBook = book;
-        mChapterService = new ChapterService();
+        mChapterService = ChapterService.getInstance();
     }
 
     /**

app/src/main/java/xyz/fycz/myreader/creator/DialogCreator.java

@@ -630,15 +630,12 @@ public class DialogCreator {
       /*  progressDialog.setPositiveButton("确定",positiveListener);
         progressDialog.setNegativeButton("取消",negativeListener);*/
         // 显示
-        MyApplication.runOnUiThread(new Runnable() {
+        MyApplication.runOnUiThread(() -> {
-            @Override
-            public void run() {
             try {
                 progressDialog.show();
             } catch (Exception e) {
                 e.printStackTrace();
             }
-            }
         });
         return progressDialog;
     }

app/src/main/java/xyz/fycz/myreader/greendao/service/BookMarkService.java

@@ -18,7 +18,18 @@ import java.util.List;
 
 
 public class BookMarkService extends BaseService {
+    private static volatile BookMarkService sInstance;
 
+    public static BookMarkService getInstance() {
+        if (sInstance == null){
+            synchronized (BookMarkService.class){
+                if (sInstance == null){
+                    sInstance = new BookMarkService();
+                }
+            }
+        }
+        return sInstance;
+    }
     private ArrayList<BookMark> findBookMarks(String sql, String[] selectionArgs) {
         ArrayList<BookMark> bookMarks = new ArrayList<>();
         try {

app/src/main/java/xyz/fycz/myreader/greendao/service/BookService.java

@@ -20,10 +20,21 @@ public class BookService extends BaseService {
 
     private ChapterService mChapterService;
     private BookMarkService mBookMarkService;
-
+    private static volatile BookService sInstance;
     public BookService(){
-        mChapterService = new ChapterService();
+        mChapterService = ChapterService.getInstance();
-        mBookMarkService = new BookMarkService();
+        mBookMarkService = BookMarkService.getInstance();
+    }
+
+    public static BookService getInstance() {
+        if (sInstance == null){
+            synchronized (BookService.class){
+                if (sInstance == null){
+                    sInstance = new BookService();
+                }
+            }
+        }
+        return sInstance;
     }
 
     private List<Book> findBooks(String sql, String[] selectionArgs) {
@@ -118,6 +129,25 @@ public class BookService extends BaseService {
         return book;
     }
 
+    /**
+     * 通过路径查书籍（本地书籍）
+     * @param path
+     * @return
+     */
+    public Book findBookByPath(String path){
+        Book book = null;
+        try {
+            Cursor cursor = selectBySql("select id from book where CHAPTER_URL = ?",new String[]{path});
+            if (cursor.moveToNext()){
+                String id = cursor.getString(0);
+                book = getBookById(id);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return book;
+    }
+
     /**
      * 删除书
      * @param id

app/src/main/java/xyz/fycz/myreader/greendao/service/ChapterService.java

@@ -17,7 +17,18 @@ import java.util.List;
 
 
 public class ChapterService extends BaseService {
+    private static volatile ChapterService sInstance;
 
+    public static ChapterService getInstance() {
+        if (sInstance == null){
+            synchronized (ChapterService.class){
+                if (sInstance == null){
+                    sInstance = new ChapterService();
+                }
+            }
+        }
+        return sInstance;
+    }
     private List<Chapter> findChapters(String sql, String[] selectionArgs) {
         ArrayList<Chapter> chapters = new ArrayList<>();
         try {

app/src/main/java/xyz/fycz/myreader/greendao/service/SearchHistoryService.java

@@ -15,7 +15,17 @@ import java.util.Date;
 
 
 public class SearchHistoryService extends BaseService {
-
+    private static volatile SearchHistoryService sInstance;
+    public static SearchHistoryService getInstance() {
+        if (sInstance == null){
+            synchronized (SearchHistoryService.class){
+                if (sInstance == null){
+                    sInstance = new SearchHistoryService();
+                }
+            }
+        }
+        return sInstance;
+    }
     private ArrayList<SearchHistory> findSearchHistorys(String sql, String[] selectionArgs) {
         ArrayList<SearchHistory> searchHistories = new ArrayList<>();
         try {

app/src/main/java/xyz/fycz/myreader/ui/bookinfo/BookInfoPresenter.java

@@ -69,7 +69,7 @@ public class BookInfoPresenter implements BasePresenter {
 
     public BookInfoPresenter(BookInfoActivity bookInfoActivity) {
         mBookInfoActivity = bookInfoActivity;
-        mBookService = new BookService();
+        mBookService = BookService.getInstance();
     }
 
     @Override

app/src/main/java/xyz/fycz/myreader/ui/filesys/BaseFileFragment.java

@@ -0,0 +1,87 @@
+package xyz.fycz.myreader.ui.filesys;
+
+
+
+import xyz.fycz.myreader.base.BaseFragment;
+
+import java.io.File;
+import java.util.List;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ * FileSystemActivity的基础Fragment类
+ */
+
+public abstract class BaseFileFragment extends BaseFragment {
+
+    protected FileSystemAdapter mAdapter;
+    protected OnFileCheckedListener mListener;
+    protected boolean isCheckedAll;
+
+    //设置当前列表为全选
+    public void setCheckedAll(boolean checkedAll){
+        if (mAdapter == null) return;
+
+        isCheckedAll = checkedAll;
+        mAdapter.setCheckedAll(checkedAll);
+    }
+
+    public void setChecked(boolean checked){
+        isCheckedAll = checked;
+    }
+
+    //当前fragment是否全选
+    public boolean isCheckedAll() {
+        return isCheckedAll;
+    }
+
+    //获取被选中的数量
+    public int getCheckedCount(){
+        if (mAdapter == null) return 0;
+        return mAdapter.getCheckedCount();
+    }
+
+    //获取被选中的文件列表
+    public List<File> getCheckedFiles(){
+        return mAdapter != null ? mAdapter.getCheckedFiles() : null;
+    }
+
+    //获取文件的总数
+    public int getFileCount(){
+        return mAdapter != null ? mAdapter.getItemCount() : null;
+    }
+
+    //获取可点击的文件的数量
+    public int getCheckableCount(){
+        if (mAdapter == null) return 0;
+        return mAdapter.getCheckableCount();
+    }
+
+    /**
+     * 删除选中的文件
+     */
+    public void deleteCheckedFiles(){
+        //删除选中的文件
+        List<File> files = getCheckedFiles();
+        //删除显示的文件列表
+        mAdapter.removeItems(files);
+        //删除选中的文件
+        for (File file : files){
+            if (file.exists()){
+                file.delete();
+            }
+        }
+    }
+
+    //设置文件点击监听事件
+    public void setOnFileCheckedListener(OnFileCheckedListener listener){
+        mListener = listener;
+    }
+
+    //文件点击监听
+    public interface OnFileCheckedListener {
+        void onItemCheckedChange(boolean isChecked);
+        void onCategoryChanged();
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/filesys/FileCategoryFragment.java

@@ -0,0 +1,176 @@
+package xyz.fycz.myreader.ui.filesys;
+
+import android.os.Bundle;
+import android.os.Environment;
+
+import android.widget.TextView;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import butterknife.BindView;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.greendao.service.BookService;
+import xyz.fycz.myreader.util.FileStack;
+import xyz.fycz.myreader.util.utils.FileUtils;
+import xyz.fycz.myreader.widget.DividerItemDecoration;
+
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.*;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public class FileCategoryFragment extends BaseFileFragment {
+    private static final String TAG = "FileCategoryFragment";
+    @BindView(R.id.file_category_tv_path)
+    TextView mTvPath;
+    @BindView(R.id.file_category_tv_back_last)
+    TextView mTvBackLast;
+    @BindView(R.id.file_category_rv_content)
+    RecyclerView mRvContent;
+
+    private FileStack mFileStack;
+    @Override
+    protected int getContentId() {
+        return R.layout.fragment_file_category;
+    }
+
+    @Override
+    protected void initWidget(Bundle savedInstanceState) {
+        super.initWidget(savedInstanceState);
+        mFileStack = new FileStack();
+        setUpAdapter();
+    }
+
+    private void setUpAdapter(){
+        mAdapter = new FileSystemAdapter();
+        mRvContent.setLayoutManager(new LinearLayoutManager(getContext()));
+        mRvContent.addItemDecoration(new DividerItemDecoration(getContext()));
+        mRvContent.setAdapter(mAdapter);
+    }
+
+    @Override
+    protected void initClick() {
+        super.initClick();
+        mAdapter.setOnItemClickListener(
+                (view, pos) -> {
+                    File file = mAdapter.getItem(pos);
+                    if (file.isDirectory()){
+                        //保存当前信息。
+                        FileStack.FileSnapshot snapshot = new FileStack.FileSnapshot();
+                        snapshot.filePath = mTvPath.getText().toString();
+                        snapshot.files = new ArrayList<>(mAdapter.getItems());
+                        snapshot.scrollOffset = mRvContent.computeVerticalScrollOffset();
+                        mFileStack.push(snapshot);
+                        //切换下一个文件
+                        toggleFileTree(file);
+                    }
+                    else {
+
+                        //如果是已加载的文件，则点击事件无效。
+                        String path = mAdapter.getItem(pos).getAbsolutePath();
+                        if (BookService.getInstance().findBookByPath(path) != null){
+                            return;
+                        }
+                        //点击选中
+                        mAdapter.setCheckedItem(pos);
+                        //反馈
+                        if (mListener != null){
+                            mListener.onItemCheckedChange(mAdapter.getItemIsChecked(pos));
+                        }
+                    }
+                }
+        );
+
+        mTvBackLast.setOnClickListener(
+                (v) -> {
+                    FileStack.FileSnapshot snapshot = mFileStack.pop();
+                    int oldScrollOffset = mRvContent.computeHorizontalScrollOffset();
+                    if (snapshot == null) return;
+                    mTvPath.setText(snapshot.filePath);
+                    mAdapter.refreshItems(snapshot.files);
+                    mRvContent.scrollBy(0,snapshot.scrollOffset - oldScrollOffset);
+                    //反馈
+                    if (mListener != null){
+                        mListener.onCategoryChanged();
+                    }
+                }
+        );
+
+    }
+
+    @Override
+    protected void processLogic() {
+        super.processLogic();
+        File root = Environment.getExternalStorageDirectory();
+        toggleFileTree(root);
+    }
+
+    private void toggleFileTree(File file){
+        //路径名
+        mTvPath.setText(getString(R.string.file_path,file.getPath()));
+        //获取数据
+        File[] files = file.listFiles(new SimpleFileFilter());
+        //转换成List
+        List<File> rootFiles = Arrays.asList(files);
+        //排序
+        Collections.sort(rootFiles, new FileComparator());
+        //加入
+        mAdapter.refreshItems(rootFiles);
+        //反馈
+        if (mListener != null){
+            mListener.onCategoryChanged();
+        }
+    }
+
+    @Override
+    public int getFileCount(){
+        int count = 0;
+        Set<Map.Entry<File, Boolean>> entrys = mAdapter.getCheckMap().entrySet();
+        for (Map.Entry<File, Boolean> entry:entrys){
+            if (!entry.getKey().isDirectory()){
+                ++count;
+            }
+        }
+        return count;
+    }
+
+    public static class FileComparator implements Comparator<File> {
+        @Override
+        public int compare(File o1, File o2){
+            if (o1.isDirectory() && o2.isFile()) {
+                return -1;
+            }
+            if (o2.isDirectory() && o1.isFile()) {
+                return 1;
+            }
+            return o1.getName().compareToIgnoreCase(o2.getName());
+        }
+    }
+
+    public static class SimpleFileFilter implements FileFilter {
+        @Override
+        public boolean accept(File pathname) {
+            if (pathname.getName().startsWith(".")){
+                return false;
+            }
+            //文件夹内部数量为0
+            if (pathname.isDirectory() && (pathname.list() == null || pathname.list().length == 0)) {
+                return false;
+            }
+
+            /**
+             * 现在只支持TXT文件的显示
+             */
+            //文件内容为空,或者不以txt为开头
+            if (!pathname.isDirectory() &&
+                    (pathname.length() == 0 || !pathname.getName().endsWith(FileUtils.SUFFIX_TXT))){
+                return false;
+            }
+            return true;
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/filesys/FileHolder.java

@@ -0,0 +1,103 @@
+package xyz.fycz.myreader.ui.filesys;
+
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.base.ViewHolderImpl;
+import xyz.fycz.myreader.common.APPCONST;
+import xyz.fycz.myreader.greendao.service.BookService;
+import xyz.fycz.myreader.util.utils.FileUtils;
+import xyz.fycz.myreader.util.utils.StringUtils;
+
+
+import java.io.File;
+import java.util.HashMap;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public class FileHolder extends ViewHolderImpl<File> {
+    private ImageView mIvIcon;
+    private CheckBox mCbSelect;
+    private TextView mTvName;
+    private LinearLayout mLlBrief;
+    private TextView mTvTag;
+    private TextView mTvSize;
+    private TextView mTvDate;
+    private TextView mTvSubCount;
+
+    private HashMap<File, Boolean> mSelectedMap;
+    public FileHolder(HashMap<File, Boolean> selectedMap){
+        mSelectedMap = selectedMap;
+    }
+
+    @Override
+    public void initView() {
+        mIvIcon = findById(R.id.file_iv_icon);
+        mCbSelect = findById(R.id.file_cb_select);
+        mTvName = findById(R.id.file_tv_name);
+        mLlBrief = findById(R.id.file_ll_brief);
+        mTvTag = findById(R.id.file_tv_tag);
+        mTvSize = findById(R.id.file_tv_size);
+        mTvDate = findById(R.id.file_tv_date);
+        mTvSubCount = findById(R.id.file_tv_sub_count);
+    }
+
+    @Override
+    public void onBind(File data, int pos) {
+        //判断是文件还是文件夹
+        if (data.isDirectory()){
+            setFolder(data);
+        }
+        else {
+            setFile(data);
+        }
+    }
+
+    private void setFile(File file){
+        //选择
+
+        if (BookService.getInstance().findBookByPath(file.getAbsolutePath()) != null){
+            mIvIcon.setImageResource(R.drawable.ic_file_loaded);
+            mIvIcon.setVisibility(View.VISIBLE);
+            mCbSelect.setVisibility(View.GONE);
+        }
+        else {
+            boolean isSelected = mSelectedMap.get(file);
+            mCbSelect.setChecked(isSelected);
+            mIvIcon.setVisibility(View.GONE);
+            mCbSelect.setVisibility(View.VISIBLE);
+        }
+
+        mLlBrief.setVisibility(View.VISIBLE);
+        mTvSubCount.setVisibility(View.GONE);
+
+        mTvName.setText(file.getName());
+        mTvSize.setText(FileUtils.getFileSize(file.length()));
+        mTvDate.setText(StringUtils.dateConvert(file.lastModified(), APPCONST.FORMAT_FILE_DATE));
+    }
+
+    public void setFolder(File folder){
+        //图片
+        mIvIcon.setVisibility(View.VISIBLE);
+        mCbSelect.setVisibility(View.GONE);
+        mIvIcon.setImageResource(R.drawable.ic_folder);
+        //名字
+        mTvName.setText(folder.getName());
+        //介绍
+        mLlBrief.setVisibility(View.GONE);
+        mTvSubCount.setVisibility(View.VISIBLE);
+
+        mTvSubCount.setText(getContext().getString(R.string.file_sub_count, folder.list().length));
+    }
+
+    @Override
+    protected int getItemLayoutId() {
+        return R.layout.item_file;
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/filesys/FileSystemActivity.java

@@ -0,0 +1,266 @@
+package xyz.fycz.myreader.ui.filesys;
+
+
+import android.widget.Button;
+import android.widget.CheckBox;
+import androidx.appcompat.widget.Toolbar;
+import androidx.fragment.app.Fragment;
+import androidx.viewpager.widget.ViewPager;
+import butterknife.BindView;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.base.BaseTabActivity;
+import xyz.fycz.myreader.creator.DialogCreator;
+import xyz.fycz.myreader.enums.BookSource;
+import xyz.fycz.myreader.greendao.entity.Book;
+import xyz.fycz.myreader.greendao.service.BookService;
+import xyz.fycz.myreader.util.TextHelper;
+
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public class FileSystemActivity extends BaseTabActivity {
+    private static final String TAG = "FileSystemActivity";
+
+    @BindView(R.id.file_system_cb_selected_all)
+    CheckBox mCbSelectAll;
+    @BindView(R.id.file_system_btn_delete)
+    Button mBtnDelete;
+    @BindView(R.id.file_system_btn_add_book)
+    Button mBtnAddBook;
+
+    private LocalBookFragment mLocalFragment;
+    private FileCategoryFragment mCategoryFragment;
+    private BaseFileFragment mCurFragment;
+
+    private BaseFileFragment.OnFileCheckedListener mListener = new BaseFileFragment.OnFileCheckedListener() {
+        @Override
+        public void onItemCheckedChange(boolean isChecked) {
+            changeMenuStatus();
+        }
+
+        @Override
+        public void onCategoryChanged() {
+            //状态归零
+            mCurFragment.setCheckedAll(false);
+            //改变菜单
+            changeMenuStatus();
+            //改变是否能够全选
+            changeCheckedAllStatus();
+        }
+    };
+
+    @Override
+    protected List<Fragment> createTabFragments() {
+        mLocalFragment = new LocalBookFragment();
+        mCategoryFragment = new FileCategoryFragment();
+        return Arrays.asList(mLocalFragment,mCategoryFragment);
+    }
+
+    @Override
+    protected List<String> createTabTitles() {
+        return Arrays.asList("智能导入","手机目录");
+    }
+
+    @Override
+    protected int getContentId() {
+        return R.layout.activity_file_system;
+    }
+
+    @Override
+    protected void setUpToolbar(Toolbar toolbar) {
+        super.setUpToolbar(toolbar);
+        setStatusBarColor(R.color.sys_line);
+        getSupportActionBar().setTitle("添加本地");
+    }
+
+    @Override
+    protected void initClick() {
+        super.initClick();
+        mCbSelectAll.setOnClickListener(
+                (view) -> {
+                    //设置全选状态
+                    boolean isChecked = mCbSelectAll.isChecked();
+                    mCurFragment.setCheckedAll(isChecked);
+                    //改变菜单状态
+                    changeMenuStatus();
+                }
+        );
+
+        mVp.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+            @Override
+            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+
+            }
+
+            @Override
+            public void onPageSelected(int position) {
+                if (position == 0){
+                    mCurFragment = mLocalFragment;
+                }
+                else {
+                    mCurFragment = mCategoryFragment;
+                }
+                //改变菜单状态
+                changeMenuStatus();
+                //改变是否能够全选
+                changeCheckedAllStatus();
+            }
+
+            @Override
+            public void onPageScrollStateChanged(int state) {
+
+            }
+        });
+
+        mBtnAddBook.setOnClickListener(
+                (v) -> {
+                    //获取选中的文件
+                    List<File> files = mCurFragment.getCheckedFiles();
+                    //转换成Book,并存储
+                    List<Book> books = convertBook(files);
+                    BookService.getInstance()
+                            .addBooks(books);
+                    //设置HashMap为false
+                    mCurFragment.setCheckedAll(false);
+                    //改变菜单状态
+                    changeMenuStatus();
+                    //改变是否可以全选
+                    changeCheckedAllStatus();
+                    //提示加入书架成功
+                    TextHelper.showText(getResources().getString(R.string.file_add_succeed, books.size()));
+
+                }
+        );
+
+        mBtnDelete.setOnClickListener(
+                (v) -> {
+                    //弹出，确定删除文件吗。
+                    DialogCreator.createCommonDialog(this, "删除文件", "确定删除文件吗?",
+                            true, (dialog, which) -> {
+                                //删除选中的文件
+                                mCurFragment.deleteCheckedFiles();
+                                //提示删除文件成功
+                                TextHelper.showText("删除文件成功");
+                            }, null);
+                }
+        );
+
+        mLocalFragment.setOnFileCheckedListener(mListener);
+        mCategoryFragment.setOnFileCheckedListener(mListener);
+    }
+
+    @Override
+    protected void processLogic() {
+        super.processLogic();
+        mCurFragment = mLocalFragment;
+    }
+
+    /**
+     * 将文件转换成CollBook
+     * @param files:需要加载的文件列表
+     * @return
+     */
+    private List<Book> convertBook(List<File> files){
+        List<Book> books = new ArrayList<>(files.size());
+        for(File file : files){
+            //判断文件是否存在
+            if (!file.exists()) continue;
+
+            Book book = new Book();
+            book.setName(file.getName().replace(".txt", ""));
+            book.setChapterUrl(file.getAbsolutePath());
+            book.setType("本地书籍");
+            book.setHistoryChapterId("未开始阅读");
+            book.setNewestChapterTitle("未拆分章节");
+            book.setAuthor("本地书籍");
+            book.setSource(BookSource.local.toString());
+            book.setDesc("");
+            books.add(book);
+        }
+        return books;
+    }
+
+    /**
+     * 改变底部选择栏的状态
+     */
+    private void changeMenuStatus(){
+
+        //点击、删除状态的设置
+        if (mCurFragment.getCheckedCount() == 0){
+            mBtnAddBook.setText(getString(R.string.file_add_shelf));
+            //设置某些按钮的是否可点击
+            setMenuClickable(false);
+
+            if (mCbSelectAll.isChecked()){
+                mCurFragment.setChecked(false);
+                mCbSelectAll.setChecked(mCurFragment.isCheckedAll());
+            }
+
+        }
+        else {
+            mBtnAddBook.setText(getString(R.string.file_add_shelves, mCurFragment.getCheckedCount()));
+            setMenuClickable(true);
+
+            //全选状态的设置
+
+            //如果选中的全部的数据，则判断为全选
+            if (mCurFragment.getCheckedCount() == mCurFragment.getCheckableCount()){
+                //设置为全选
+                mCurFragment.setChecked(true);
+                mCbSelectAll.setChecked(mCurFragment.isCheckedAll());
+            }
+            //如果曾今是全选则替换
+            else if (mCurFragment.isCheckedAll()){
+                mCurFragment.setChecked(false);
+                mCbSelectAll.setChecked(mCurFragment.isCheckedAll());
+            }
+        }
+
+        //重置全选的文字
+        if (mCurFragment.isCheckedAll()){
+            mCbSelectAll.setText("取消");
+        }
+        else {
+            mCbSelectAll.setText("全选");
+        }
+
+    }
+
+    private void setMenuClickable(boolean isClickable){
+
+        //设置是否可删除
+        mBtnDelete.setEnabled(isClickable);
+        mBtnDelete.setClickable(isClickable);
+
+        //设置是否可添加书籍
+        mBtnAddBook.setEnabled(isClickable);
+        mBtnAddBook.setClickable(isClickable);
+    }
+
+    /**
+     * 改变全选按钮的状态
+     */
+    private void changeCheckedAllStatus(){
+        //获取可选择的文件数量
+        int count = mCurFragment.getCheckableCount();
+
+        //设置是否能够全选
+        if (count > 0){
+            mCbSelectAll.setClickable(true);
+            mCbSelectAll.setEnabled(true);
+        }
+        else {
+            mCbSelectAll.setClickable(false);
+            mCbSelectAll.setEnabled(false);
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/filesys/FileSystemAdapter.java

@@ -0,0 +1,148 @@
+package xyz.fycz.myreader.ui.filesys;
+
+
+import xyz.fycz.myreader.base.BaseListAdapter;
+import xyz.fycz.myreader.base.IViewHolder;
+import xyz.fycz.myreader.greendao.service.BookService;
+
+import java.io.File;
+import java.util.*;
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ */
+
+public class FileSystemAdapter extends BaseListAdapter<File> {
+    //记录item是否被选中的Map
+    private HashMap<File, Boolean> mCheckMap = new HashMap<>();
+    private int mCheckedCount = 0;
+    private BookService mBookService = new BookService();
+
+    @Override
+    protected IViewHolder<File> createViewHolder(int viewType) {
+        return new FileHolder(mCheckMap);
+    }
+
+    @Override
+    public void refreshItems(List<File> list) {
+        mCheckMap.clear();
+        for(File file : list){
+            mCheckMap.put(file, false);
+        }
+        super.refreshItems(list);
+    }
+
+    @Override
+    public void addItem(File value) {
+        mCheckMap.put(value, false);
+        super.addItem(value);
+    }
+
+    @Override
+    public void addItem(int index, File value) {
+        mCheckMap.put(value, false);
+        super.addItem(index, value);
+    }
+
+    @Override
+    public void addItems(List<File> values) {
+        for(File file : values){
+            mCheckMap.put(file, false);
+        }
+        super.addItems(values);
+    }
+
+    @Override
+    public void removeItem(File value) {
+        mCheckMap.remove(value);
+        super.removeItem(value);
+    }
+
+    @Override
+    public void removeItems(List<File> value) {
+        //删除在HashMap中的文件
+        for (File file : value){
+            mCheckMap.remove(file);
+            //因为，能够被移除的文件，肯定是选中的
+            --mCheckedCount;
+        }
+        //删除列表中的文件
+        super.removeItems(value);
+    }
+
+    //设置点击切换
+    public void setCheckedItem(int pos){
+        File file = getItem(pos);
+        if (isFileLoaded(file.getAbsolutePath())) return;
+
+        boolean isSelected = mCheckMap.get(file);
+        if (isSelected){
+            mCheckMap.put(file, false);
+            --mCheckedCount;
+        }
+        else{
+            mCheckMap.put(file, true);
+            ++mCheckedCount;
+        }
+        notifyDataSetChanged();
+    }
+
+    public void setCheckedAll(boolean isChecked){
+        Set<Map.Entry<File, Boolean>> entrys = mCheckMap.entrySet();
+        mCheckedCount = 0;
+        for (Map.Entry<File, Boolean> entry:entrys){
+            //必须是文件，必须没有被收藏
+            if (entry.getKey().isFile() && !isFileLoaded(entry.getKey().getAbsolutePath())){
+                entry.setValue(isChecked);
+                //如果选中，则增加点击的数量
+                if (isChecked){
+                    ++mCheckedCount;
+                }
+            }
+        }
+        notifyDataSetChanged();
+    }
+
+    private boolean isFileLoaded(String path){
+        //如果是已加载的文件，则点击事件无效。
+        if (mBookService.findBookByPath(path) != null){
+            return true;
+        }
+        return false;
+    }
+
+    public int getCheckableCount(){
+        List<File> files = getItems();
+        int count = 0;
+        for (File file : files){
+            if (!isFileLoaded(file.getAbsolutePath()) && file.isFile())
+                ++count;
+        }
+        return count;
+    }
+
+    public boolean getItemIsChecked(int pos){
+        File file = getItem(pos);
+        return mCheckMap.get(file);
+    }
+
+    public List<File> getCheckedFiles(){
+        List<File> files = new ArrayList<>();
+        Set<Map.Entry<File, Boolean>> entrys = mCheckMap.entrySet();
+        for (Map.Entry<File, Boolean> entry:entrys){
+            if (entry.getValue()){
+                files.add(entry.getKey());
+            }
+        }
+        return files;
+    }
+
+    public int getCheckedCount(){
+        return mCheckedCount;
+    }
+
+    public HashMap<File, Boolean> getCheckMap(){
+        return mCheckMap;
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/filesys/LocalBookFragment.java

@@ -0,0 +1,89 @@
+package xyz.fycz.myreader.ui.filesys;
+
+import android.media.MediaScannerConnection;
+import android.os.Bundle;
+
+import android.os.Environment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import butterknife.BindView;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.greendao.service.BookService;
+import xyz.fycz.myreader.util.media.MediaStoreHelper;
+import xyz.fycz.myreader.widget.DividerItemDecoration;
+import xyz.fycz.myreader.widget.RefreshLayout;
+
+
+/**
+ * @author fengyue
+ * @date 2020/8/12 20:02
+ * 本地书籍
+ */
+
+public class LocalBookFragment extends BaseFileFragment {
+    @BindView(R.id.refresh_layout)
+    RefreshLayout mRlRefresh;
+    @BindView(R.id.local_book_rv_content)
+    RecyclerView mRvContent;
+
+    @Override
+    protected int getContentId() {
+        return R.layout.fragment_local_book;
+    }
+
+    @Override
+    protected void initWidget(Bundle savedInstanceState) {
+        super.initWidget(savedInstanceState);
+        setUpAdapter();
+    }
+
+    private void setUpAdapter() {
+        mAdapter = new FileSystemAdapter();
+        mRvContent.setLayoutManager(new LinearLayoutManager(getContext()));
+        mRvContent.addItemDecoration(new DividerItemDecoration(getContext()));
+        mRvContent.setAdapter(mAdapter);
+    }
+
+    @Override
+    protected void initClick() {
+        super.initClick();
+        mAdapter.setOnItemClickListener(
+                (view, pos) -> {
+                    //如果是已加载的文件，则点击事件无效。
+                    String path = mAdapter.getItem(pos).getAbsolutePath();
+                    if (BookService.getInstance().findBookByPath(path) != null) {
+                        return;
+                    }
+
+                    //点击选中
+                    mAdapter.setCheckedItem(pos);
+
+                    //反馈
+                    if (mListener != null) {
+                        mListener.onItemCheckedChange(mAdapter.getItemIsChecked(pos));
+                    }
+                }
+        );
+    }
+
+    @Override
+    protected void processLogic() {
+        super.processLogic();
+        //更新媒体库
+        MediaScannerConnection.scanFile(getContext(), new String[]{Environment
+                .getExternalStorageDirectory().getAbsolutePath()}, new String[]{"text/plain"}, null);
+        MediaStoreHelper.getAllBookFile(getActivity(),
+                (files) -> {
+                    if (files.isEmpty()) {
+                        mRlRefresh.showEmpty();
+                    } else {
+                        mAdapter.refreshItems(files);
+                        mRlRefresh.showFinish();
+                        //反馈
+                        if (mListener != null) {
+                            mListener.onCategoryChanged();
+                        }
+                    }
+                });
+    }
+}

app/src/main/java/xyz/fycz/myreader/ui/font/FontsPresenter.java

@@ -1,5 +1,6 @@
 package xyz.fycz.myreader.ui.font;
 
+import android.annotation.SuppressLint;
 import android.os.Handler;
 import android.os.Message;
 import android.view.View;
@@ -8,6 +9,7 @@ import xyz.fycz.myreader.R;
 import xyz.fycz.myreader.base.BasePresenter;
 import xyz.fycz.myreader.common.APPCONST;
 import xyz.fycz.myreader.enums.Font;
+import xyz.fycz.myreader.util.IOUtils;
 import xyz.fycz.myreader.util.TextHelper;
 import xyz.fycz.myreader.util.utils.FileUtils;
 
@@ -25,6 +27,7 @@ public class FontsPresenter implements BasePresenter {
     private FontsAdapter mFontsAdapter;
 
 
+    @SuppressLint("HandlerLeak")
     private Handler mHandler = new Handler(){
         @Override
         public void handleMessage(Message msg) {
@@ -107,20 +110,7 @@ public class FontsPresenter implements BasePresenter {
             e.printStackTrace();
             TextHelper.showText("读取字体文件出错！\n" + e.getLocalizedMessage());
         }finally {
-            if (fis != null) {
+            IOUtils.close(fis, fos);
-                try {
-                    fis.close();
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
-            if (fos != null) {
-                try {
-                    fos.close();
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }
         }
     }
 }

app/src/main/java/xyz/fycz/myreader/ui/home/MainActivity.java

@@ -4,10 +4,12 @@ package xyz.fycz.myreader.ui.home;
 import android.app.Activity;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
+import androidx.annotation.NonNull;
 import androidx.annotation.RequiresApi;
 import androidx.core.content.FileProvider;
 import android.widget.ImageView;
@@ -22,6 +24,7 @@ import xyz.fycz.myreader.base.BaseActivity;
 import xyz.fycz.myreader.common.APPCONST;
 import xyz.fycz.myreader.creator.DialogCreator;
 import xyz.fycz.myreader.custom.CircleImageView;
+import xyz.fycz.myreader.ui.filesys.FileSystemActivity;
 import xyz.fycz.myreader.util.TextHelper;
 
 import butterknife.BindView;
@@ -103,6 +106,26 @@ public class MainActivity extends BaseActivity {
         }
     }
 
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        switch (requestCode){
+            case APPCONST.PERMISSIONS_REQUEST_STORAGE: {
+                // 如果取消权限，则返回的值为0
+                if (grantResults.length > 0
+                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                    //跳转到 FileSystemActivity
+                    Intent intent = new Intent(this, FileSystemActivity.class);
+                    startActivity(intent);
+
+                } else {
+                    TextHelper.showText("用户拒绝开启读写权限");
+                }
+                return;
+            }
+        }
+    }
+
     @Override
     protected void onDestroy() {
         MyApplication.getApplication().shutdownThreadPool();

app/src/main/java/xyz/fycz/myreader/ui/home/MainPresenter.java

@@ -131,6 +131,9 @@ public class MainPresenter implements BasePresenter {
      * @return
      */
     public boolean ismEditState(){
+        if (mBookcaseFragment.getmBookcasePresenter() == null) {
+            return false;
+        }
         return mBookcaseFragment.getmBookcasePresenter().ismEditState();
     }
 }

app/src/main/java/xyz/fycz/myreader/ui/home/bookcase/BookcaseAdapter.java

@@ -60,8 +60,8 @@ public abstract class BookcaseAdapter extends DragAdapter {
         mResourceId = textViewResourceId;
         list = objects;
         mEditState = editState;
-        mBookService = new BookService();
+        mBookService = BookService.getInstance();
-        mChapterService = new ChapterService();
+        mChapterService = ChapterService.getInstance();
         mBookcasePresenter = bookcasePresenter;
     }
 

app/src/main/java/xyz/fycz/myreader/ui/home/bookcase/BookcaseDetailedAdapter.java

@@ -80,12 +80,7 @@ public class BookcaseDetailedAdapter extends BookcaseAdapter {
 
         viewHolder.tvBookName.setText(book.getName());
         viewHolder.tvBookAuthor.setText(book.getAuthor());
-        viewHolder.ivDelete.setOnClickListener(new View.OnClickListener() {
+        viewHolder.ivDelete.setOnClickListener(v -> showDeleteBookDialog(book));
-            @Override
-            public void onClick(View v) {
-                showDeleteBookDialog(book);
-            }
-        });
         viewHolder.tvHistoryChapter.setText(book.getHistoryChapterId());
         assert book.getNewestChapterTitle() != null;
         viewHolder.tvNewestChapter.setText(book.getNewestChapterTitle().replace("最近更新 ", ""));

app/src/main/java/xyz/fycz/myreader/ui/home/bookcase/BookcasePresenter.java

@@ -1,5 +1,6 @@
 package xyz.fycz.myreader.ui.home.bookcase;
 
+import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -14,6 +15,7 @@ import android.widget.ArrayAdapter;
 import android.widget.PopupMenu;
 
 import androidx.appcompat.app.AlertDialog;
+import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
 
 import com.scwang.smartrefresh.layout.api.RefreshLayout;
@@ -51,6 +53,7 @@ import xyz.fycz.myreader.greendao.entity.Chapter;
 import xyz.fycz.myreader.greendao.service.BookService;
 import xyz.fycz.myreader.greendao.service.ChapterService;
 import xyz.fycz.myreader.ui.about.AboutActivity;
+import xyz.fycz.myreader.ui.filesys.FileSystemActivity;
 import xyz.fycz.myreader.ui.home.MainActivity;
 import xyz.fycz.myreader.ui.search.SearchBookActivity;
 import xyz.fycz.myreader.ui.user.LoginActivity;
@@ -69,6 +72,7 @@ public class BookcasePresenter implements BasePresenter {
     private final BookService mBookService;
     private final ChapterService mChapterService;
     private final MainActivity mMainActivity;
+    private PermissionsChecker mPermissionsChecker;
     private boolean isBookcaseStyleChange;
     private Setting mSetting;
     private final List<Book> errorLoadingBooks = new ArrayList<>();
@@ -96,6 +100,11 @@ public class BookcasePresenter implements BasePresenter {
             MyApplication.getmContext().getString(R.string.menu_backup_webRestore),
             MyApplication.getmContext().getString(R.string.menu_backup_autoSyn)
     };
+
+    static final String[] PERMISSIONS = {
+            Manifest.permission.READ_EXTERNAL_STORAGE,
+            Manifest.permission.WRITE_EXTERNAL_STORAGE
+    };
     //    private ChapterService mChapterService;
     @SuppressLint("HandlerLeak")
     public final Handler mHandler = new Handler() {
@@ -152,8 +161,9 @@ public class BookcasePresenter implements BasePresenter {
 
     public BookcasePresenter(BookcaseFragment bookcaseFragment) {
         mBookcaseFragment = bookcaseFragment;
-        mBookService = new BookService();
+        mBookService = BookService.getInstance();
-        mChapterService = new ChapterService();
+        ;
+        mChapterService = ChapterService.getInstance();
         mMainActivity = ((MainActivity) (mBookcaseFragment.getActivity()));
 //        mChapterService = new ChapterService();
         mSetting = SysManager.getSetting();
@@ -437,17 +447,32 @@ public class BookcasePresenter implements BasePresenter {
                     init();
                     return true;
                 case R.id.action_addLocalBook:
-                    TextHelper.showText("请选择一个txt格式的书籍文件");
+                    /*TextHelper.showText("请选择一个txt格式的书籍文件");
                     Intent addIntent = new Intent(Intent.ACTION_GET_CONTENT);
                     addIntent.setType("text/plain");
                     addIntent.addCategory(Intent.CATEGORY_OPENABLE);
-                    mMainActivity.startActivityForResult(addIntent, APPCONST.SELECT_FILE_CODE);
+                    mMainActivity.startActivityForResult(addIntent, APPCONST.SELECT_FILE_CODE);*/
+                    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
+
+                        if (mPermissionsChecker == null) {
+                            mPermissionsChecker = new PermissionsChecker(mMainActivity);
+                        }
+
+                        //获取读取和写入SD卡的权限
+                        if (mPermissionsChecker.lacksPermissions(PERMISSIONS)) {
+                            //请求权限
+                            ActivityCompat.requestPermissions(mMainActivity, PERMISSIONS, APPCONST.PERMISSIONS_REQUEST_STORAGE);
+                            return true;
+                        }
+                    }
+                    Intent intent = new Intent(mMainActivity, FileSystemActivity.class);
+                    mMainActivity.startActivity(intent);
                     break;
                 case R.id.action_syn:
                     if (!UserService.isLogin()) {
                         TextHelper.showText("请先登录！");
-                        Intent intent = new Intent(mMainActivity, LoginActivity.class);
+                        Intent loginIntent = new Intent(mMainActivity, LoginActivity.class);
-                        mMainActivity.startActivity(intent);
+                        mMainActivity.startActivity(loginIntent);
                         return true;
                     }
                     if (mSetting.isAutoSyn()) {

app/src/main/java/xyz/fycz/myreader/ui/read/ReadPresenter.java

@@ -181,9 +181,9 @@ public class ReadPresenter implements BasePresenter {
 
     public ReadPresenter(ReadActivity readActivity) {
         mReadActivity = readActivity;
-        mBookService = new BookService();
+        mBookService = BookService.getInstance();;
-        mChapterService = new ChapterService();
+        mChapterService = ChapterService.getInstance();
-        mBookMarkService = new BookMarkService();
+        mBookMarkService = BookMarkService.getInstance();
         mSetting = SysManager.getSetting();
     }
 

app/src/main/java/xyz/fycz/myreader/ui/read/catalog/CatalogActivityPresenter.java

@@ -26,7 +26,6 @@ public class CatalogActivityPresenter implements BasePresenter {
     private CatalogActivity mCatalogActivity;
     private ArrayList<Fragment> mFragments = new ArrayList<>();
     private String[] tabTitle = {"目录", "书签"};
-    private Setting mSetting;
     private boolean isDayStyle;
     private FragmentPagerAdapter tabAdapter;
 
@@ -42,7 +41,7 @@ public class CatalogActivityPresenter implements BasePresenter {
         if (!isDayStyle){
             mCatalogActivity.setStatusBar(R.color.sys_dialog_setting_bg);
             mCatalogActivity.getRlCommonTitle().setBackground(mCatalogActivity.getDrawable(R.color.sys_dialog_setting_bg));
-            mCatalogActivity.getTvBack().setImageDrawable(mCatalogActivity.getDrawable(R.mipmap.larrow3));
+            mCatalogActivity.getTvBack().setImageDrawable(mCatalogActivity.getDrawable(R.mipmap.larrow_white2));
             mCatalogActivity.getIvCancel().setImageDrawable(mCatalogActivity.getDrawable(R.mipmap.ic_cha_black));
             mCatalogActivity.getIvSearch().setImageDrawable(mCatalogActivity.getDrawable(R.mipmap.b9));
             mCatalogActivity.getEtSearch().setTextColor(mCatalogActivity.getResources().getColor(R.color.sys_night_word));
@@ -78,7 +77,9 @@ public class CatalogActivityPresenter implements BasePresenter {
             mCatalogActivity.getIvSearch().setVisibility(View.VISIBLE);
             mCatalogActivity.getEtSearch().setVisibility(View.GONE);
             mCatalogActivity.getIvCancel().setVisibility(View.GONE);
+            if(!"".equals(mCatalogActivity.getEtSearch().getText().toString())){
                 mCatalogActivity.getEtSearch().setText("");
+            }
         });
 
         mCatalogActivity.getEtSearch().addTextChangedListener(new TextWatcher() {

app/src/main/java/xyz/fycz/myreader/ui/read/catalog/CatalogPresenter.java

@@ -31,7 +31,7 @@ public class CatalogPresenter implements BasePresenter {
 
     public CatalogPresenter(CatalogFragment mCatalogFragment) {
         this.mCatalogFragment = mCatalogFragment;
-        mChapterService = new ChapterService();
+        mChapterService = ChapterService.getInstance();
     }
 
     @Override

app/src/main/java/xyz/fycz/myreader/ui/search/SearchBookPrensenter.java

@@ -92,7 +92,7 @@ public class SearchBookPrensenter implements BasePresenter {
 
     public SearchBookPrensenter(SearchBookActivity searchBookActivity) {
         mSearchBookActivity = searchBookActivity;
-        mSearchHistoryService = new SearchHistoryService();
+        mSearchHistoryService = SearchHistoryService.getInstance();
         for (int i = 0; i < suggestion.length; i++) {
             mSuggestions.add(suggestion[i]);
         }

app/src/main/java/xyz/fycz/myreader/ui/user/LoginActivity.java

@@ -15,6 +15,7 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.*;
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import com.google.android.material.textfield.TextInputLayout;
 import xyz.fycz.myreader.R;
 import xyz.fycz.myreader.base.BaseActivity;
 import xyz.fycz.myreader.util.utils.StringUtils;
@@ -27,15 +28,15 @@ public class LoginActivity extends BaseActivity implements TextWatcher {
     @BindView(R.id.tv_title_text)
     TextView tvTitleText;
     @BindView(R.id.et_user)
-    EditText user;
+    TextInputLayout user;
     @BindView(R.id.et_password)
-    EditText password;
+    TextInputLayout password;
     @BindView(R.id.bt_login)
     Button loginBtn;
     @BindView(R.id.tv_register)
     TextView tvRegister;
     @BindView(R.id.et_captcha)
-    EditText etCaptcha;
+    TextInputLayout etCaptcha;
     @BindView(R.id.iv_captcha)
     ImageView ivCaptcha;
     private LoginPresenter mLoginPresenter;
@@ -98,9 +99,9 @@ public class LoginActivity extends BaseActivity implements TextWatcher {
         //禁止输入中文
         StringUtils.isNotChinese(s);
         //判断两个输入框是否有内容
-        if (user.getText().toString().length() > 3 &&
+        if (user.getEditText().getText().toString().length() > 0 &&
-                password.getText().toString().length() > 5 &&
+                password.getEditText().getText().toString().length() > 0 &&
-                etCaptcha.getText().toString().length() > 0){
+                etCaptcha.getEditText().getText().toString().length() > 0){
             //按钮可以点击
             loginBtn.setEnabled(true);
         }else{
@@ -111,11 +112,11 @@ public class LoginActivity extends BaseActivity implements TextWatcher {
 
 
     public EditText getUser() {
-        return user;
+        return user.getEditText();
     }
 
     public EditText getPassword() {
-        return password;
+        return password.getEditText();
     }
 
     public Button getLoginBtn() {
@@ -135,7 +136,7 @@ public class LoginActivity extends BaseActivity implements TextWatcher {
     }
 
     public EditText getEtCaptcha() {
-        return etCaptcha;
+        return etCaptcha.getEditText();
     }
 
     public ImageView getIvCaptcha() {

app/src/main/java/xyz/fycz/myreader/ui/user/LoginPresenter.java

@@ -1,6 +1,7 @@
 package xyz.fycz.myreader.ui.user;
 
 import android.annotation.SuppressLint;
+import android.app.ProgressDialog;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Handler;
@@ -69,9 +70,7 @@ public class LoginPresenter implements BasePresenter {
             }
         });
 
-        mLoginActivity.getLoginBtn().setOnClickListener(new View.OnClickListener() {
+        mLoginActivity.getLoginBtn().setOnClickListener(v -> {
-            @Override
-            public void onClick(View v) {
             mHandler.sendMessage(mHandler.obtainMessage(2));
             if (!code.toLowerCase().equals(mLoginActivity.getEtCaptcha().getText().toString().toLowerCase())){
                 DialogCreator.createTipDialog(mLoginActivity, "验证码错误！");
@@ -81,6 +80,7 @@ public class LoginPresenter implements BasePresenter {
                 TextHelper.showText("无网络连接！");
                 return;
             }
+            ProgressDialog dialog = DialogCreator.createProgressDialog(mLoginActivity, null, "正在登陆...");
             mLoginActivity.getLoginBtn().setEnabled(false);
             final String loginName = mLoginActivity.getUser().getText().toString().trim();
             String loginPwd = mLoginActivity.getPassword().getText().toString();
@@ -102,6 +102,7 @@ public class LoginPresenter implements BasePresenter {
                         mLoginActivity.finish();
                     } else {
                         mHandler.sendMessage(mHandler.obtainMessage(1));
+                        dialog.dismiss();
                     }
                     TextHelper.showText(resultName);
                 }
@@ -109,10 +110,11 @@ public class LoginPresenter implements BasePresenter {
                 @Override
                 public void onError(Exception e) {
                     TextHelper.showText("登录失败\n" + e.getLocalizedMessage());
+                    mHandler.sendMessage(mHandler.obtainMessage(1));
+                    dialog.dismiss();
                 }
             });
 
-            }
         });
 
         mLoginActivity.getTvRegister().setOnClickListener(new View.OnClickListener() {

app/src/main/java/xyz/fycz/myreader/ui/user/RegisterActivity.java

@@ -15,6 +15,7 @@ import android.view.inputmethod.InputMethodManager;
 import android.widget.*;
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import com.google.android.material.textfield.TextInputLayout;
 import xyz.fycz.myreader.R;
 import xyz.fycz.myreader.base.BaseActivity;
 
@@ -26,13 +27,13 @@ public class RegisterActivity extends BaseActivity{
     @BindView(R.id.tv_title_text)
     TextView tvTitleText;
     @BindView(R.id.et_username)
-    EditText etUsername;
+    TextInputLayout etUsername;
     @BindView(R.id.et_password)
-    EditText etPassword;
+    TextInputLayout etPassword;
     @BindView(R.id.et_rp_password)
-    EditText etRpPassword;
+    TextInputLayout etRpPassword;
     @BindView(R.id.et_captcha)
-    EditText etCaptcha;
+    TextInputLayout etCaptcha;
     @BindView(R.id.iv_captcha)
     ImageView ivCaptcha;
     @BindView(R.id.bt_register)
@@ -63,19 +64,19 @@ public class RegisterActivity extends BaseActivity{
     }
 
     public EditText getEtUsername() {
-        return etUsername;
+        return etUsername.getEditText();
     }
 
     public EditText getEtPassword() {
-        return etPassword;
+        return etPassword.getEditText();
     }
 
     public EditText getEtRpPassword() {
-        return etRpPassword;
+        return etRpPassword.getEditText();
     }
 
     public EditText getEtCaptcha() {
-        return etCaptcha;
+        return etCaptcha.getEditText();
     }
 
     public ImageView getIvCaptcha() {

app/src/main/java/xyz/fycz/myreader/ui/user/RegisterPresenter.java

@@ -1,6 +1,7 @@
 package xyz.fycz.myreader.ui.user;
 
 import android.annotation.SuppressLint;
+import android.app.ProgressDialog;
 import android.graphics.Bitmap;
 import android.os.Handler;
 import android.os.Message;
@@ -199,6 +200,7 @@ public class RegisterPresenter implements BasePresenter {
                 }else if(!mRegisterActivity.getCbAgreement().isChecked()){
                     DialogCreator.createTipDialog(mRegisterActivity, "请勾选同意《用户服务协议》");
                 }else {
+                    ProgressDialog dialog = DialogCreator.createProgressDialog(mRegisterActivity, null, "正在注册...");
                     Map<String, String> userRegisterInfo = new HashMap<>();
                     userRegisterInfo.put("username", username);
                     userRegisterInfo.put("password", password);
@@ -211,11 +213,13 @@ public class RegisterPresenter implements BasePresenter {
                                 UserService.writeUsername(username);
                                 mRegisterActivity.finish();
                             }
+                            dialog.dismiss();
                             TextHelper.showText(info[1]);
                         }
                         @Override
                         public void onError(Exception e) {
                             TextHelper.showText("注册失败：\n" + e.getLocalizedMessage());
+                            dialog.dismiss();
                         }
                     });
                 }

app/src/main/java/xyz/fycz/myreader/util/FileStack.java

@@ -0,0 +1,49 @@
+package xyz.fycz.myreader.util;
+
+import java.io.File;
+import java.util.List;
+
+/**
+ * Created by newbiechen on 17-5-28.
+ */
+
+public class FileStack {
+
+    private Node node = null;
+    private int count = 0;
+
+    public void push(FileSnapshot fileSnapshot){
+        if (fileSnapshot == null) return;
+        Node fileNode = new Node();
+        fileNode.fileSnapshot = fileSnapshot;
+        fileNode.next = node;
+        node = fileNode;
+        ++count;
+    }
+
+    public FileSnapshot pop(){
+        Node fileNode = node;
+        if (fileNode == null) return null;
+        FileSnapshot fileSnapshot = fileNode.fileSnapshot;
+        node = fileNode.next;
+        --count;
+        return fileSnapshot;
+    }
+
+    public int getSize(){
+        return count;
+    }
+
+    //节点
+    public class Node {
+        FileSnapshot fileSnapshot;
+        Node next;
+    }
+
+    //文件快照
+    public static class FileSnapshot{
+        public String filePath;
+        public List<File> files;
+        public int scrollOffset;
+    }
+}

app/src/main/java/xyz/fycz/myreader/util/ImageUtil.java

@@ -0,0 +1,272 @@
+package xyz.fycz.myreader.util;
+
+import android.content.Context;
+import android.graphics.*;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import xyz.fycz.myreader.R;
+import xyz.fycz.myreader.application.MyApplication;
+import xyz.fycz.myreader.callback.ResultCallback;
+
+import static xyz.fycz.myreader.util.DipPxUtil.dp2px;
+
+/**
+ * @author fengyue
+ * @date 2020/8/13 7:56
+ */
+public class ImageUtil {
+    /**
+     * 设置水印图片在左上角
+     * @param context
+     * @param src
+     * @param watermark
+     * @param paddingLeft
+     * @param paddingTop
+     * @return
+     */
+    public static Bitmap createWaterMaskLeftTop(
+            Context context, Bitmap src, Bitmap watermark,
+            int paddingLeft, int paddingTop) {
+        return createWaterMaskBitmap(src, watermark,
+                dp2px(context, paddingLeft), dp2px(context, paddingTop));
+    }
+
+    private static Bitmap createWaterMaskBitmap(Bitmap src, Bitmap watermark,
+                                                int paddingLeft, int paddingTop) {
+        if (src == null) {
+            return null;
+        }
+        int width = src.getWidth();
+        int height = src.getHeight();
+        //创建一个bitmap
+        Bitmap newb = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// 创建一个新的和SRC长度宽度一样的位图
+        //将该图片作为画布
+        Canvas canvas = new Canvas(newb);
+        //在画布 0，0坐标上开始绘制原始图片
+        canvas.drawBitmap(src, 0, 0, null);
+        //在画布上绘制水印图片
+        canvas.drawBitmap(watermark, paddingLeft, paddingTop, null);
+        // 保存
+        canvas.save();
+        // 存储
+        canvas.restore();
+        return newb;
+    }
+
+    /**
+     * 设置水印图片在右下角
+     * @param context
+     * @param src
+     * @param watermark
+     * @param paddingRight
+     * @param paddingBottom
+     * @return
+     */
+    public static Bitmap createWaterMaskRightBottom(
+            Context context, Bitmap src, Bitmap watermark,
+            int paddingRight, int paddingBottom) {
+        return createWaterMaskBitmap(src, watermark,
+                src.getWidth() - watermark.getWidth() - dp2px(context, paddingRight),
+                src.getHeight() - watermark.getHeight() - dp2px(context, paddingBottom));
+    }
+
+    /**
+     * 设置水印图片到右上角
+     * @param context
+     * @param src
+     * @param watermark
+     * @param paddingRight
+     * @param paddingTop
+     * @return
+     */
+    public static Bitmap createWaterMaskRightTop(
+            Context context, Bitmap src, Bitmap watermark,
+            int paddingRight, int paddingTop) {
+        return createWaterMaskBitmap( src, watermark,
+                src.getWidth() - watermark.getWidth() - dp2px(context, paddingRight),
+                dp2px(context, paddingTop));
+    }
+
+    /**
+     * 设置水印图片到左下角
+     * @param context
+     * @param src
+     * @param watermark
+     * @param paddingLeft
+     * @param paddingBottom
+     * @return
+     */
+    public static Bitmap createWaterMaskLeftBottom(
+            Context context, Bitmap src, Bitmap watermark,
+            int paddingLeft, int paddingBottom) {
+        return createWaterMaskBitmap(src, watermark, dp2px(context, paddingLeft),
+                src.getHeight() - watermark.getHeight() - dp2px(context, paddingBottom));
+    }
+
+    /**
+     * 设置水印图片到中间
+     * @param src
+     * @param src
+     * @param watermark
+     * @return
+     */
+    public static Bitmap createWaterMaskCenter(Bitmap src, Bitmap watermark) {
+        return createWaterMaskBitmap(src, watermark,
+                (src.getWidth() - watermark.getWidth()) / 2,
+                (src.getHeight() - watermark.getHeight()) / 2);
+    }
+
+    /**
+     * 给图片添加文字到左上角
+     * @param context
+     * @param bitmap
+     * @param text
+     * @return
+     */
+    public static Bitmap drawTextToLeftTop(Context context, Bitmap bitmap, String text,
+                                           int size, int color, int paddingLeft, int paddingTop) {
+        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(color);
+        paint.setTextSize(dp2px(context, size));
+        Rect bounds = new Rect();
+        paint.getTextBounds(text, 0, text.length(), bounds);
+        return drawTextToBitmap(context, bitmap, text, paint, bounds,
+                dp2px(context, paddingLeft),
+                dp2px(context, paddingTop) + bounds.height());
+    }
+
+    /**
+     * 绘制文字到右下角
+     * @param context
+     * @param bitmap
+     * @param text
+     * @param size
+     * @param color
+     * @param paddingRight
+     * @param paddingBottom
+     * @return
+     */
+    public static Bitmap drawTextToRightBottom(Context context, Bitmap bitmap, String text,
+                                               int size, int color, int paddingRight, int paddingBottom) {
+        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(color);
+        paint.setTextSize(dp2px(context, size));
+        Rect bounds = new Rect();
+        paint.getTextBounds(text, 0, text.length(), bounds);
+        return drawTextToBitmap(context, bitmap, text, paint, bounds,
+                bitmap.getWidth() - bounds.width() - dp2px(context, paddingRight),
+                bitmap.getHeight() - dp2px(context, paddingBottom));
+    }
+
+    /**
+     * 绘制文字到右上方
+     * @param context
+     * @param bitmap
+     * @param text
+     * @param size
+     * @param color
+     * @param paddingRight
+     * @param paddingTop
+     * @return
+     */
+    public static Bitmap drawTextToRightTop(Context context, Bitmap bitmap, String text,
+                                            int size, int color, int paddingRight, int paddingTop) {
+        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(color);
+        paint.setTextSize(dp2px(context, size));
+        Rect bounds = new Rect();
+        paint.getTextBounds(text, 0, text.length(), bounds);
+        return drawTextToBitmap(context, bitmap, text, paint, bounds,
+                bitmap.getWidth() - bounds.width() - dp2px(context, paddingRight),
+                dp2px(context, paddingTop) + bounds.height());
+    }
+
+    /**
+     * 绘制文字到左下方
+     * @param context
+     * @param bitmap
+     * @param text
+     * @param size
+     * @param color
+     * @param paddingLeft
+     * @param paddingBottom
+     * @return
+     */
+    public static Bitmap drawTextToLeftBottom(Context context, Bitmap bitmap, String text,
+                                              int size, int color, int paddingLeft, int paddingBottom) {
+        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(color);
+        paint.setTextSize(dp2px(context, size));
+        Rect bounds = new Rect();
+        paint.getTextBounds(text, 0, text.length(), bounds);
+        return drawTextToBitmap(context, bitmap, text, paint, bounds,
+                dp2px(context, paddingLeft),
+                bitmap.getHeight() - dp2px(context, paddingBottom));
+    }
+
+    /**
+     * 绘制文字到中间
+     * @param context
+     * @param bitmap
+     * @param text
+     * @param size
+     * @param color
+     * @return
+     */
+    public static Bitmap drawTextToCenter(Context context, Bitmap bitmap, String text,
+                                          int size, int color) {
+        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        paint.setColor(color);
+        paint.setTextSize(dp2px(context, size));
+        Rect bounds = new Rect();
+        paint.getTextBounds(text, 0, text.length(), bounds);
+        return drawTextToBitmap(context, bitmap, text, paint, bounds,
+                (bitmap.getWidth() - bounds.width()) / 2,
+                (bitmap.getHeight() + bounds.height()) / 2);
+    }
+
+    //图片上绘制文字
+    private static Bitmap drawTextToBitmap(Context context, Bitmap bitmap, String text,
+                                           Paint paint, Rect bounds, int paddingLeft, int paddingTop) {
+        android.graphics.Bitmap.Config bitmapConfig = bitmap.getConfig();
+
+        paint.setDither(true); // 获取跟清晰的图像采样
+        paint.setFilterBitmap(true);// 过滤一些
+//        paint.setFakeBoldText(true); //加粗
+        if (bitmapConfig == null) {
+            bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888;
+        }
+
+        bitmap = bitmap.copy(bitmapConfig, true);
+        Canvas canvas = new Canvas(bitmap);
+        canvas.drawText(text, paddingLeft, paddingTop, paint);
+        return bitmap;
+    }
+
+    /**
+     * 缩放图片
+     * @param src
+     * @param w
+     * @param h
+     * @return
+     */
+    public static Bitmap scaleWithWH(Bitmap src, double w, double h) {
+        if (w == 0 || h == 0 || src == null) {
+            return src;
+        } else {
+            // 记录src的宽高
+            int width = src.getWidth();
+            int height = src.getHeight();
+            // 创建一个matrix容器
+            Matrix matrix = new Matrix();
+            // 计算缩放比例
+            float scaleWidth = (float) (w / width);
+            float scaleHeight = (float) (h / height);
+            // 开始缩放
+            matrix.postScale(scaleWidth, scaleHeight);
+            // 创建缩放后的图片
+            return Bitmap.createBitmap(src, 0, 0, width, height, matrix, true);
+        }
+    }
+
+}

app/src/main/java/xyz/fycz/myreader/util/StatusBarCompat.java

@@ -0,0 +1,71 @@
+package xyz.fycz.myreader.util;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Color;
+import android.os.Build;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
+import xyz.fycz.myreader.R;
+
+/**
+ * Created by newbiechen on 17-4-15.
+ */
+
+public class StatusBarCompat
+{
+    private static final int INVALID_VAL = -1;
+    private static final int COLOR_DEFAULT = Color.parseColor("#20000000");
+
+    public static void compat(Activity activity, int statusColor)
+    {
+        //在SDK21以上，设置StatusBar的Color
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+        {
+            Window window = activity.getWindow();
+            //取消设置透明状态栏,使 ContentView 内容不再覆盖状态栏
+            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            //需要设置这个 flag 才能调用 setStatusBarColor 来设置状态栏颜色
+            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            //设置状态栏颜色
+            window.setStatusBarColor(statusColor);
+        }
+        else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
+        {
+            int color = COLOR_DEFAULT;
+            ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
+            if (statusColor != INVALID_VAL)
+            {
+                color = statusColor;
+            }
+            View statusBarView = activity.findViewById(R.id.status_bar);
+            if (statusBarView == null){
+                statusBarView = new View(activity);
+                statusBarView.setId(R.id.status_bar);
+                ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
+                        getStatusBarHeight(activity));
+                contentView.addView(statusBarView, lp);
+            }
+            statusBarView.setBackgroundColor(color);
+        }
+    }
+
+    public static void compat(Activity activity)
+    {
+        compat(activity, INVALID_VAL);
+    }
+
+
+    public static int getStatusBarHeight(Context context)
+    {
+        int result = 0;
+        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
+        if (resourceId > 0)
+        {
+            result = context.getResources().getDimensionPixelSize(resourceId);
+        }
+        return result;
+    }
+}

app/src/main/java/xyz/fycz/myreader/util/media/LoaderCreator.java

@@ -0,0 +1,30 @@
+package xyz.fycz.myreader.util.media;
+
+import android.content.Context;
+import android.os.Bundle;
+import androidx.loader.content.CursorLoader;
+
+/**
+ * Created by newbiechen on 2018/1/14.
+ */
+
+public class LoaderCreator {
+    public static final int ALL_BOOK_FILE = 1;
+
+    public static CursorLoader create(Context context, int id, Bundle bundle) {
+        LocalFileLoader loader = null;
+        switch (id){
+            case ALL_BOOK_FILE:
+                loader = new LocalFileLoader(context);
+                break;
+            default:
+                loader = null;
+                break;
+        }
+        if (loader != null) {
+            return loader;
+        }
+
+        throw new IllegalArgumentException("The id of Loader is invalid!");
+    }
+}

app/src/main/java/xyz/fycz/myreader/util/media/LocalFileLoader.java

@@ -0,0 +1,137 @@
+package xyz.fycz.myreader.util.media;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+
+import android.text.TextUtils;
+import androidx.annotation.NonNull;
+import androidx.loader.content.CursorLoader;
+
+import java.io.File;
+import java.sql.Blob;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by newbiechen on 2018/1/14.
+ */
+
+public class LocalFileLoader extends CursorLoader {
+    private static final String TAG = "LocalFileLoader";
+
+    private static final Uri FILE_URI = Uri.parse("content://media/external/file");
+    private static final String SELECTION = MediaStore.Files.FileColumns.DATA + " like ?";
+    private static final String SEARCH_TYPE = "%.txt";
+    private static final String SORT_ORDER = MediaStore.Files.FileColumns.DISPLAY_NAME + " DESC";
+    private static final String[] FILE_PROJECTION = {
+            MediaStore.Files.FileColumns.DATA,
+            MediaStore.Files.FileColumns.DISPLAY_NAME
+    };
+
+    public LocalFileLoader(Context context) {
+        super(context);
+        initLoader();
+    }
+
+    /**
+     * 为 Cursor 设置默认参数
+     */
+    private void initLoader() {
+        setUri(FILE_URI);
+        setProjection(FILE_PROJECTION);
+        setSelection(SELECTION);
+        setSelectionArgs(new String[]{SEARCH_TYPE});
+        setSortOrder(SORT_ORDER);
+    }
+
+    public void parseData(Cursor cursor, final MediaStoreHelper.MediaResultCallback resultCallback) {
+        List<File> files = new ArrayList<>();
+        // 判断是否存在数据
+        if (cursor == null) {
+            // TODO:当媒体库没有数据的时候，需要做相应的处理
+            // 暂时直接返回空数据
+            resultCallback.onResultCallback(files);
+            return;
+        }
+        // 重复使用Loader时，需要重置cursor的position；
+        cursor.moveToPosition(-1);
+        while (cursor.moveToNext()) {
+            String path;
+
+            path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA));
+            // 路径无效
+            if (TextUtils.isEmpty(path)) {
+                continue;
+            } else {
+                File file = new File(path);
+                if (file.isDirectory() || !file.exists()){
+                    continue;
+                }
+                else {
+                    files.add(file);
+                }
+            }
+        }
+        if (resultCallback != null) {
+            resultCallback.onResultCallback(files);
+        }
+    }
+
+    /**
+     * 从Cursor中读取对应columnName的值
+     *
+     * @param cursor
+     * @param columnName
+     * @param defaultValue
+     * @return 当columnName无效时返回默认值；
+     */
+    protected Object getValueFromCursor(@NonNull Cursor cursor, String columnName, Object defaultValue) {
+        try {
+            int index = cursor.getColumnIndexOrThrow(columnName);
+            int type = cursor.getType(index);
+            switch (type) {
+                case Cursor.FIELD_TYPE_STRING:
+                    // TO SOLVE:某些手机的数据库将数值类型存为String类型
+                    String value = cursor.getString(index);
+                    try {
+                        if (defaultValue instanceof String) {
+                            return value;
+                        } else if (defaultValue instanceof Long) {
+                            return Long.valueOf(value);
+                        } else if (defaultValue instanceof Integer) {
+                            return Integer.valueOf(value);
+                        } else if (defaultValue instanceof Double) {
+                            return Double.valueOf(value);
+                        } else if (defaultValue instanceof Float) {
+                            return Float.valueOf(value);
+                        }
+                    } catch (NumberFormatException e) {
+                        return defaultValue;
+                    }
+                case Cursor.FIELD_TYPE_INTEGER:
+                    if (defaultValue instanceof Long) {
+                        return cursor.getLong(index);
+                    } else if (defaultValue instanceof Integer) {
+                        return cursor.getInt(index);
+                    }
+                case Cursor.FIELD_TYPE_FLOAT:
+                    if (defaultValue instanceof Float) {
+                        return cursor.getFloat(index);
+                    } else if (defaultValue instanceof Double) {
+                        return cursor.getDouble(index);
+                    }
+                case Cursor.FIELD_TYPE_BLOB:
+                    if (defaultValue instanceof Blob) {
+                        return cursor.getBlob(index);
+                    }
+                case Cursor.FIELD_TYPE_NULL:
+                default:
+                    return defaultValue;
+            }
+        } catch (IllegalArgumentException e) {
+            return defaultValue;
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/util/media/MediaStoreHelper.java

@@ -0,0 +1,68 @@
+package xyz.fycz.myreader.util.media;
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+
+import androidx.fragment.app.FragmentActivity;
+import androidx.loader.app.LoaderManager;
+import androidx.loader.content.Loader;
+
+import java.io.File;
+import java.lang.ref.WeakReference;
+import java.util.List;
+
+/**
+ * Created by newbiechen on 2018/1/14.
+ * 获取媒体库的数据。
+ */
+
+public class MediaStoreHelper {
+
+    /**
+     * 获取媒体库中所有的书籍文件
+     * <p>
+     * 暂时只支持 TXT
+     *
+     * @param activity
+     * @param resultCallback
+     */
+    public static void getAllBookFile(FragmentActivity activity, MediaResultCallback resultCallback) {
+        // 将文件的获取处理交给 LoaderManager。
+        activity.getSupportLoaderManager()
+                .initLoader(LoaderCreator.ALL_BOOK_FILE, null, new MediaLoaderCallbacks(activity, resultCallback));
+    }
+
+    public interface MediaResultCallback {
+        void onResultCallback(List<File> files);
+    }
+
+    /**
+     * Loader 回调处理
+     */
+    static class MediaLoaderCallbacks implements LoaderManager.LoaderCallbacks<Cursor> {
+        protected WeakReference<Context> mContext;
+        protected MediaResultCallback mResultCallback;
+
+        public MediaLoaderCallbacks(Context context, MediaResultCallback resultCallback) {
+            mContext = new WeakReference<>(context);
+            mResultCallback = resultCallback;
+        }
+
+        @Override
+        public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+            return LoaderCreator.create(mContext.get(), id, args);
+        }
+
+        @Override
+        public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+            LocalFileLoader localFileLoader = (LocalFileLoader) loader;
+            localFileLoader.parseData(data, mResultCallback);
+        }
+
+        @Override
+        public void onLoaderReset(Loader<Cursor> loader) {
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/widget/DividerItemDecoration.java

@@ -0,0 +1,93 @@
+package xyz.fycz.myreader.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+
+import android.view.View;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * Created by newbiechen on 2017/10/8.
+ */
+
+public class DividerItemDecoration extends RecyclerView.ItemDecoration {
+    private static final String TAG = "DividerItemDecoration";
+    private static final int[] ATTRS = new int[]{
+            android.R.attr.listDivider
+    };
+
+    public static final int HORIZONTAL_LIST = LinearLayoutManager.HORIZONTAL;
+
+    public static final int VERTICAL_LIST = LinearLayoutManager.VERTICAL;
+
+    private Drawable mDrawable;
+
+    public DividerItemDecoration(Context context) {
+        final TypedArray a = context.obtainStyledAttributes(ATTRS);
+        mDrawable = a.getDrawable(0);
+        a.recycle();
+    }
+
+    @Override
+    public void onDraw(Canvas c, RecyclerView parent) {
+        if (getLayoutManagerType(parent) == VERTICAL_LIST) {
+            drawVertical(c, parent);
+        } else {
+            drawHorizontal(c, parent);
+        }
+    }
+
+    private int getLayoutManagerType(RecyclerView rv){
+        RecyclerView.LayoutManager manager = rv.getLayoutManager();
+
+        if (!(manager instanceof LinearLayoutManager)){
+            throw new IllegalArgumentException("only supply linearLayoutManager");
+        }
+        return ((LinearLayoutManager) manager).getOrientation();
+    }
+
+    public void drawVertical(Canvas c, RecyclerView parent) {
+        final int left = parent.getPaddingLeft();
+        final int right = parent.getWidth() - parent.getPaddingRight();
+
+        final int childCount = parent.getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            final View child = parent.getChildAt(i);
+            final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child
+                    .getLayoutParams();
+            final int top = child.getBottom() + params.bottomMargin;
+            final int bottom = top + mDrawable.getIntrinsicHeight();
+            mDrawable.setBounds(left, top, right, bottom);
+            mDrawable.draw(c);
+        }
+    }
+
+    public void drawHorizontal(Canvas c, RecyclerView parent) {
+        final int top = parent.getPaddingTop();
+        final int bottom = parent.getHeight() - parent.getPaddingBottom();
+
+        final int childCount = parent.getChildCount();
+        for (int i = 0; i < childCount; i++) {
+            final View child = parent.getChildAt(i);
+            final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child
+                    .getLayoutParams();
+            final int left = child.getRight() + params.rightMargin;
+            final int right = left + mDrawable.getIntrinsicHeight();
+            mDrawable.setBounds(left, top, right, bottom);
+            mDrawable.draw(c);
+        }
+    }
+
+    @Override
+    public void getItemOffsets(Rect outRect, int itemPosition, RecyclerView parent) {
+        if (getLayoutManagerType(parent) == VERTICAL_LIST) {
+            outRect.set(0, 0, 0, mDrawable.getIntrinsicHeight());
+        } else {
+            outRect.set(0, 0, mDrawable.getIntrinsicWidth(), 0);
+        }
+    }
+}

app/src/main/java/xyz/fycz/myreader/widget/RefreshLayout.java

@@ -0,0 +1,267 @@
+package xyz.fycz.myreader.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import xyz.fycz.myreader.R;
+
+/**
+ * Created by newbiechen on 17-4-22.
+ * 功能:
+ * 1. 加载动画
+ * 2. 加载错误点击重新加载
+ */
+
+public class RefreshLayout extends FrameLayout {
+
+    private static final String TAG = "RefreshLayout";
+
+    protected static final int STATUS_LOADING = 0;
+    protected static final int STATUS_FINISH = 1;
+    protected static final int STATUS_ERROR = 2;
+    protected static final int STATUS_EMPTY = 3;
+
+    private Context mContext;
+
+    private int mEmptyViewId;
+    private int mErrorViewId;
+    private int mLoadingViewId;
+
+    private View mEmptyView;
+    private View mErrorView;
+    private View mLoadingView;
+    private View mContentView;
+
+    private OnReloadingListener mListener;
+    private int mStatus = 0;
+
+    public RefreshLayout(Context context) {
+        this(context,null);
+    }
+
+    public RefreshLayout(Context context, AttributeSet attrs) {
+        this(context, attrs,0);
+    }
+
+    public RefreshLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        mContext = context;
+        initAttrs(attrs);
+        initView();
+    }
+
+    private void initAttrs(AttributeSet attrs){
+        TypedArray typedArray = mContext.obtainStyledAttributes(attrs, R.styleable.RefreshLayout);
+        mEmptyViewId = typedArray.getResourceId(R.styleable.RefreshLayout_layout_refresh_empty,R.layout.view_empty);
+        mErrorViewId = typedArray.getResourceId(R.styleable.RefreshLayout_layout_refresh_error,R.layout.view_net_error);
+        mLoadingViewId = typedArray.getResourceId(R.styleable.RefreshLayout_layout_refresh_loading,R.layout.view_loading);
+
+        typedArray.recycle();
+    }
+
+    private void initView(){
+
+        //添加在empty、error、loading 情况下的布局
+        mEmptyView = inflateView(mEmptyViewId);
+        mErrorView = inflateView(mErrorViewId);
+        mLoadingView = inflateView(mLoadingViewId);
+
+        addView(mEmptyView);
+        addView(mErrorView);
+        addView(mLoadingView);
+
+        //设置监听器
+        mErrorView.setOnClickListener(
+                (view) -> {
+                    if (mListener != null){
+                        toggleStatus(STATUS_LOADING);
+                        mListener.onReload();
+                    }
+                }
+        );
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        toggleStatus(STATUS_LOADING);
+    }
+
+    @Override
+    public void onViewAdded(View child) {
+        super.onViewAdded(child);
+        if (getChildCount() == 4){
+            mContentView = child;
+        }
+    }
+
+    //除了自带的数据，保证子类只能够添加一个子View
+    @Override
+    public void addView(View child) {
+        if (getChildCount() > 4) {
+            throw new IllegalStateException("RefreshLayout can host only one direct child");
+        }
+        super.addView(child);
+    }
+
+    @Override
+    public void addView(View child, int index) {
+        if (getChildCount() > 4) {
+            throw new IllegalStateException("RefreshLayout can host only one direct child");
+        }
+
+        super.addView(child, index);
+    }
+
+    @Override
+    public void addView(View child, ViewGroup.LayoutParams params) {
+        if (getChildCount() > 4) {
+            throw new IllegalStateException("RefreshLayout can host only one direct child");
+        }
+
+        super.addView(child, params);
+    }
+
+    @Override
+    public void addView(View child, int index, ViewGroup.LayoutParams params) {
+        if (getChildCount() > 4) {
+            throw new IllegalStateException("RefreshLayout can host only one direct child");
+        }
+
+        super.addView(child, index, params);
+    }
+
+    public void showLoading(){
+        if (mStatus != STATUS_LOADING){
+            toggleStatus(STATUS_LOADING);
+        }
+    }
+
+    public void showFinish(){
+        if (mStatus == STATUS_LOADING){
+            toggleStatus(STATUS_FINISH);
+        }
+    }
+
+    public void showError(){
+        if (mStatus != STATUS_ERROR){
+            toggleStatus(STATUS_ERROR);
+        }
+    }
+
+    public void showEmpty(){
+        if (mStatus != STATUS_EMPTY){
+            toggleStatus(STATUS_EMPTY);
+        }
+    }
+
+    //视图根据状态切换
+    private void toggleStatus(int status){
+        switch (status){
+            case STATUS_LOADING:
+                mLoadingView.setVisibility(VISIBLE);
+                mEmptyView.setVisibility(GONE);
+                mErrorView.setVisibility(GONE);
+                if (mContentView != null){
+                    mContentView.setVisibility(GONE);
+                }
+                break;
+            case STATUS_FINISH:
+                if (mContentView != null){
+                    mContentView.setVisibility(VISIBLE);
+                }
+                mLoadingView.setVisibility(GONE);
+                mEmptyView.setVisibility(GONE);
+                mErrorView.setVisibility(GONE);
+                break;
+            case STATUS_ERROR:
+                mErrorView.setVisibility(VISIBLE);
+                mLoadingView.setVisibility(GONE);
+                mEmptyView.setVisibility(GONE);
+                if (mContentView != null){
+                    mContentView.setVisibility(GONE);
+                }
+                break;
+            case STATUS_EMPTY:
+                mEmptyView.setVisibility(VISIBLE);
+                mErrorView.setVisibility(GONE);
+                mLoadingView.setVisibility(GONE);
+                if (mContentView != null){
+                    mContentView.setVisibility(GONE);
+                }
+                break;
+        }
+        mStatus = status;
+    }
+
+    protected int getStatus(){
+        return mStatus;
+    }
+
+    public void setOnReloadingListener(OnReloadingListener listener){
+        mListener = listener;
+    }
+
+    private View inflateView(int id){
+        return LayoutInflater.from(mContext)
+                .inflate(id,this,false);
+    }
+
+    //数据存储
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        Parcelable superParcel = super.onSaveInstanceState();
+        SavedState savedState = new SavedState(superParcel);
+        savedState.status = mStatus;
+        return savedState;
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        SavedState savedState = (SavedState) state;
+        super.onRestoreInstanceState(savedState.getSuperState());
+        //刷新状态
+        toggleStatus(savedState.status);
+    }
+
+    static class SavedState extends BaseSavedState {
+        int status;
+
+        SavedState(Parcelable superState) {
+            super(superState);
+        }
+
+        private SavedState(Parcel in) {
+            super(in);
+            status = in.readInt();
+        }
+
+        @Override
+        public void writeToParcel(Parcel out, int flags) {
+            super.writeToParcel(out, flags);
+            out.writeInt(status);
+        }
+
+        public static final Creator<SavedState> CREATOR
+                = new Creator<SavedState>() {
+            public SavedState createFromParcel(Parcel in) {
+                return new SavedState(in);
+            }
+
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+
+    //添加错误重新加载的监听
+    public interface OnReloadingListener{
+        void onReload();
+    }
+}

app/src/main/java/xyz/fycz/myreader/widget/page/PageView.java

@@ -346,9 +346,9 @@ public class PageView extends View {
         }
         // 获取具体的加载器
         if ("本地书籍".equals(collBook.getType())){
-            mPageLoader = new LocalPageLoader(this, collBook, new ChapterService(), setting);
+            mPageLoader = new LocalPageLoader(this, collBook, ChapterService.getInstance(), setting);
         }else {
-            mPageLoader = new NetPageLoader(this, collBook, new ChapterService(), mReadCrawler, setting);
+            mPageLoader = new NetPageLoader(this, collBook, ChapterService.getInstance(), mReadCrawler, setting);
         }
         // 判断是否 PageView 已经初始化完成
         if (mViewWidth != 0 || mViewHeight != 0) {

app/src/main/res/color/selector_btn_file_add.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:color="@color/gray" android:state_enabled="false" />
+	<item android:color="@color/white" android:state_pressed="true" />
+	<item android:color="@color/colorAccent"/>
+</selector>

app/src/main/res/color/selector_btn_file_delete.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:color="@color/gray" android:state_enabled="false" />
+	<item android:color="@color/white" android:state_pressed="true" />
+	<item android:color="@color/black"/>
+</selector>

app/src/main/res/color/selector_cb_file.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:color="@color/gray" android:state_enabled="false" />
+	<item android:color="@color/black" />
+</selector>

app/src/main/res/drawable/ic_book_has.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="680.31"
+    android:viewportWidth="680.31">
+
+    <path
+        android:fillColor="#2C2C2C"
+        android:pathData="M339.865,79.038c-147.014,0-266.518,119.198-266.518,266.519 c0,147.011,119.198,266.519,266.518,266.519c147.013,0,266.52-119.201,266.52-266.519 C606.078,198.542,486.878,79.038,339.865,79.038L339.865,79.038z M339.865,587.929c-133.871,0-242.373-108.505-242.373-242.373 c0-133.872,108.502-242.066,242.373-242.066c133.868,0,242.372,108.5,242.372,242.373 C582.237,479.731,473.432,587.929,339.865,587.929L339.865,587.929z M339.865,587.929" />
+    <path
+        android:fillColor="#2C2C2C"
+        android:pathData="M305.329,491.346c20.782,0,28.118,33.619,28.118,33.619h12.836c0,0,7.337-33.619,28.12-33.619h133.869 c7.95,0,14.673-6.725,14.673-14.671V242.25c0-33.316-33.316-33.316-33.316-33.316H361.261c-10.697,0-21.396,13.449-21.396,20.479 c0-7.03-10.391-20.479-21.088-20.479H190.103c0,0-33.317,0-33.317,33.316v234.426c0,8.253,6.418,14.671,14.67,14.671H305.329z M348.117,236.75c0-6.115,4.89-11.31,11.005-11.31h139.065c3.973,0,7.336,3.361,7.336,7.64l0.607,235.647 c0,4.279-3.36,7.644-7.333,7.644H372.873c-14.06,0-24.756,15.589-24.756,15.589V236.75z M173.902,233.08 c0-4.279,3.364-7.64,7.336-7.64h139.066c6.112,0,11.003,4.891,11.003,11.31v254.903c0,0-11.003-15.589-24.759-15.589H180.627 c-3.974,0-7.337-3.36-7.337-7.639L173.902,233.08z M173.902,233.08" />
+</vector>

app/src/main/res/drawable/ic_folder.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#707070"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M10,4H4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V8c0,-1.1 -0.9,-2 -2,-2h-8l-2,-2z" />
+</vector>

app/src/main/res/drawable/ic_tag_txt.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+	<corners android:radius="3dp"/>
+	<solid android:color="@color/light_blue"/>
+</shape>

app/src/main/res/drawable/selector_btn_add.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:drawable="@drawable/shape_blue" android:state_pressed="true"/>
+	<item android:drawable="@drawable/shape_unclick" android:state_enabled="false"/>
+	<item android:drawable="@drawable/shape_corner_blue"/>
+</selector>

app/src/main/res/drawable/selector_btn_delete.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:drawable="@drawable/shape_blue" android:state_pressed="true"/>
+	<item android:drawable="@drawable/shape_unclick" android:state_enabled="false"/>
+	<item android:drawable="@drawable/shape_corner_black" />
+</selector>

app/src/main/res/drawable/selector_cb_file.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+	<item android:drawable="@drawable/ic_cb_file_selected" android:state_pressed="true"/>
+	<item android:drawable="@drawable/ic_cb_file_selected" android:state_checked="true"/>
+	<item android:drawable="@drawable/ic_cb_file_normal"/>
+</selector>

app/src/main/res/drawable/selector_common_bg.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true"
+          android:drawable="@color/widget_button_selected"/>
+    <item android:state_selected="true"
+          android:drawable="@color/widget_button_selected"/>
+
+    <item
+        android:drawable="@color/widget_button_normal"/>
+</selector>

app/src/main/res/drawable/selector_pwd.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/pwd_visiable" android:state_checked="true"/>
+    <item android:drawable="@mipmap/pwd_gone" android:state_checked="false"/>
+    <item android:drawable="@mipmap/pwd_gone" />
+</selector>

app/src/main/res/drawable/shape_blue.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+	<corners android:radius="3dp"/>
+	<solid android:color="@color/colorAccent" />
+</shape>

app/src/main/res/drawable/shape_corner_black.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+	<stroke android:color="@color/black" android:width="1dp"/>
+	<corners android:radius="3dp"/>
+</shape>

app/src/main/res/drawable/shape_corner_blue.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+	<stroke android:color="@color/colorAccent" android:width="1dp"/>
+	<corners android:radius="3dp"/>
+</shape>

app/src/main/res/drawable/shape_unclick.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="rectangle">
+	<stroke android:color="@color/gray" android:width="1dp"/>
+	<corners android:radius="3dp" />
+</shape>

app/src/main/res/layout/activity_book_info.xml

@@ -31,7 +31,7 @@
                             android:layout_width="80dp"
                             android:layout_height="120dp"
                             android:scaleType="fitXY"
-                            app:srcCompat="@mipmap/no_image"/>
+                            app:srcCompat="@mipmap/default_cover"/>
 
                     <RelativeLayout
                             android:layout_width="match_parent"

app/src/main/res/layout/activity_catalog.xml

@@ -19,6 +19,8 @@
                 android:layout_height="30dp"
                 android:paddingTop="4dp"
                 android:layout_gravity="center_horizontal"
+                android:layout_alignParentStart="true"
+                android:layout_centerInParent="true"
                 android:layout_margin="5dip"
                 app:srcCompat="@mipmap/larrow_black"/>
 

app/src/main/res/layout/activity_file_system.xml

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:orientation="vertical">
+	<!--指示器-->
+	<include layout="@layout/scroll_title_indicator"/>
+	
+	<androidx.viewpager.widget.ViewPager
+		android:id="@+id/tab_vp"
+		android:layout_width="match_parent"
+		android:layout_height="0dp"
+		android:layout_weight="1">
+	</androidx.viewpager.widget.ViewPager>
+	
+	<!--文件点击按钮-->
+	<RelativeLayout
+		android:layout_width="match_parent"
+		android:layout_height="52dp"
+		android:paddingRight="10dp"
+		android:gravity="center_vertical">
+
+
+		<CheckBox
+				android:id="@+id/file_system_cb_selected_all"
+				android:layout_width="120dp"
+				android:layout_height="40dp"
+				android:layout_centerVertical="true"
+				android:layout_marginStart="15dp"
+				android:text="全选"
+				android:textSize="15dp"
+				android:textColor="@color/selector_cb_file"
+				android:theme="@style/MyCheckBox" />
+
+		<Button
+			android:id="@+id/file_system_btn_add_book"
+			android:layout_width="wrap_content"
+			android:layout_height="35dp"
+			android:minWidth="110dp"
+			android:layout_alignParentRight="true"
+			android:layout_centerVertical="true"
+			android:background="@drawable/selector_btn_add"
+			android:textColor="@color/selector_btn_file_add"
+			android:text="加入书架" />
+
+		<Button
+			android:id="@+id/file_system_btn_delete"
+			android:layout_width="70dp"
+			android:layout_height="35dp"
+			android:layout_centerVertical="true"
+			android:layout_marginRight="15dp"
+			android:background="@drawable/selector_btn_add"
+			android:textColor="@color/selector_btn_file_add"
+			android:layout_toLeftOf="@id/file_system_btn_add_book"
+			android:text="删除"/>
+	</RelativeLayout>
+</LinearLayout>

app/src/main/res/layout/activity_login.xml

@@ -119,11 +119,10 @@
                 android:textSize="20dp" />
 
             <!--添加输入框-->
-            <EditText
+            <!--<EditText
                 android:id="@+id/et_user"
                 android:layout_width="match_parent"
                 android:layout_height="50dp"
-                android:layout_marginTop="20dp"
                 android:background="@drawable/editview_shape"
                 android:drawableStart="@drawable/iconfont_user"
                 android:drawablePadding="10dp"
@@ -131,23 +130,56 @@
                 android:inputType="text"
                 android:maxLines="1"
                 android:paddingStart="10dp"
-                android:textSize="18dp" />
+                android:textSize="18dp" />-->
+
+            <com.google.android.material.textfield.TextInputLayout
+                    android:id="@+id/et_user"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:drawablePadding="10dp"
+                    app:counterEnabled="true"
+                    app:counterMaxLength="14">
+
+                <com.google.android.material.textfield.TextInputEditText
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/et_account_tip"
+                        android:inputType="text"/>
 
-            <EditText
+            </com.google.android.material.textfield.TextInputLayout>
+            <!--<EditText
                 android:id="@+id/et_password"
                 style="@style/EditTextStyle"
                 android:background="@drawable/editview_shape"
                 android:drawableStart="@drawable/iconfont_password"
                 android:hint="@string/et_password_tip"
                 android:inputType="textPassword"
-                android:textSize="18dp" />
+                android:textSize="18dp" />-->
+
+            <com.google.android.material.textfield.TextInputLayout
+                    android:id="@+id/et_password"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:drawablePadding="10dp"
+                    app:counterEnabled="true"
+                    app:counterMaxLength="16"
+                    app:passwordToggleEnabled="true"
+                    app:passwordToggleTintMode="src_in">
 
+                <com.google.android.material.textfield.TextInputEditText
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/et_password_tip"
+                        android:inputType="textPassword"/>
+
+            </com.google.android.material.textfield.TextInputLayout>
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="horizontal">
 
-                <EditText
+                <!--<EditText
                     android:id="@+id/et_captcha"
                     style="@style/EditTextStyle"
                     android:layout_width="match_parent"
@@ -155,7 +187,23 @@
                     android:background="@drawable/editview_shape"
                     android:hint="@string/et_rp_captcha"
                     android:inputType="text"
-                    android:textSize="18dp" />
+                    android:textSize="18dp" />-->
+                <com.google.android.material.textfield.TextInputLayout
+                        android:id="@+id/et_captcha"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:drawablePadding="10dp"
+                        app:counterEnabled="true"
+                        app:counterMaxLength="4">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:hint="@string/et_rp_captcha"
+                            android:inputType="text"/>
+
+                </com.google.android.material.textfield.TextInputLayout>
 
                 <ImageView
                     android:id="@+id/iv_captcha"
@@ -163,7 +211,6 @@
                     android:layout_height="wrap_content"
                     android:layout_weight="3"
                     android:layout_gravity="center_vertical"
-                    android:layout_marginTop="10dp"
                     android:paddingStart="7dp" />
 
             </LinearLayout>

app/src/main/res/layout/activity_register.xml

@@ -70,49 +70,82 @@
                 android:textColor="@color/sys_red"
                 android:visibility="gone" />
             <!--添加输入框-->
-            <EditText
+            <com.google.android.material.textfield.TextInputLayout
                     android:id="@+id/et_username"
                     android:layout_width="match_parent"
-                android:layout_height="50dp"
+                    android:layout_height="wrap_content"
                     android:layout_marginTop="10dp"
-                android:background="@drawable/editview_shape"
                     android:drawablePadding="10dp"
+                    app:counterEnabled="true"
+                    app:counterMaxLength="14">
+
+                <com.google.android.material.textfield.TextInputEditText
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
                         android:hint="@string/et_account_tip"
-                android:inputType="text"
+                        android:inputType="text"/>
-                android:maxLines="1"
+            </com.google.android.material.textfield.TextInputLayout>
-                android:paddingStart="10dp"
+
-                android:textSize="18dp" />
 
-            <EditText
+            <com.google.android.material.textfield.TextInputLayout
                     android:id="@+id/et_password"
-                style="@style/EditTextStyle"
+                    android:layout_width="match_parent"
-                android:background="@drawable/editview_shape"
+                    android:layout_height="wrap_content"
+                    android:drawablePadding="10dp"
+                    app:counterEnabled="true"
+                    app:counterMaxLength="16"
+                    app:passwordToggleEnabled="true"
+                    app:passwordToggleTintMode="src_in">
+
+                <com.google.android.material.textfield.TextInputEditText
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
                         android:hint="@string/et_password_tip"
-                android:inputType="textPassword"
+                        android:inputType="textPassword"/>
-                android:textSize="18dp" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+
 
-            <EditText
+            <com.google.android.material.textfield.TextInputLayout
                     android:id="@+id/et_rp_password"
-                style="@style/EditTextStyle"
+                    android:layout_width="match_parent"
-                android:background="@drawable/editview_shape"
+                    android:layout_height="wrap_content"
-                android:hint="@string/et_rp_password_tip"
+                    android:drawablePadding="10dp"
-                android:inputType="textPassword"
+                    app:counterEnabled="true"
-                android:textSize="18dp" />
+                    app:counterMaxLength="16"
+                    app:passwordToggleEnabled="true"
+                    app:passwordToggleTintMode="src_in">
+
+                <com.google.android.material.textfield.TextInputEditText
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:hint="@string/et_password_tip"
+                        android:inputType="textPassword"/>
 
+            </com.google.android.material.textfield.TextInputLayout>
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="horizontal">
 
-                <EditText
+                <com.google.android.material.textfield.TextInputLayout
                         android:id="@+id/et_captcha"
-                    style="@style/EditTextStyle"
-                    android:background="@drawable/editview_shape"
                         android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
                         android:layout_weight="1"
+                        android:drawablePadding="10dp"
+                        app:counterEnabled="true"
+                        app:counterMaxLength="4">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
                             android:hint="@string/et_rp_captcha"
-                    android:inputType="text"
+                            android:inputType="text"/>
-                    android:textSize="18dp" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
 
                 <ImageView
                     android:id="@+id/iv_captcha"
@@ -120,7 +153,6 @@
                     android:layout_height="wrap_content"
                     android:layout_gravity="center_vertical"
                     android:layout_weight="3"
-                    android:layout_marginTop="10dp"
                     android:paddingStart="7dp" />
 
             </LinearLayout>

app/src/main/res/layout/fragment_file_category.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:orientation="vertical"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+	<!--path-->
+	<LinearLayout
+		android:layout_width="match_parent"
+		android:layout_height="35dp"
+		android:orientation="horizontal">
+		<TextView
+			style="@style/SingleLine"
+			android:id="@+id/file_category_tv_path"
+			android:layout_width="0dp"
+			android:layout_height="match_parent"
+			android:layout_weight="1"
+			android:gravity="center_vertical"
+			android:padding="10dp"
+			android:textSize="12dp"
+			android:textColor="@color/text_common_h2"
+			tools:text="存储卡:/"/>
+		
+		<View
+			android:layout_width="2dp"
+			android:layout_height="match_parent"
+			android:layout_marginTop="5dp"
+			android:layout_marginBottom="5dp"
+			android:background="@color/divider_narrow"/>
+		
+		<TextView
+			android:id="@+id/file_category_tv_back_last"
+			android:layout_width="80dp"
+			android:layout_height="match_parent"
+			android:gravity="center"
+			android:text="上一级"
+			android:textSize="12dp"
+			android:drawableLeft="@drawable/ic_back_last"
+			android:textColor="@color/text_common_h2"/>
+	</LinearLayout>
+	
+	<androidx.recyclerview.widget.RecyclerView
+		android:id="@+id/file_category_rv_content"
+		android:layout_width="match_parent"
+		android:layout_height="0dp"
+		android:layout_weight="1">
+	</androidx.recyclerview.widget.RecyclerView>
+</LinearLayout>

app/src/main/res/layout/fragment_local_book.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xyz.fycz.myreader.widget.RefreshLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:id="@+id/refresh_layout"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+	<androidx.recyclerview.widget.RecyclerView
+		android:id="@+id/local_book_rv_content"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent">
+	</androidx.recyclerview.widget.RecyclerView>
+</xyz.fycz.myreader.widget.RefreshLayout>

app/src/main/res/layout/gridview_book_detailed_item.xml

@@ -16,7 +16,7 @@
             android:layout_width="64dp"
             android:layout_height="88dp"
             android:scaleType="fitXY"
-            app:srcCompat="@mipmap/no_image"/>
+            app:srcCompat="@mipmap/default_cover"/>
 
         <LinearLayout android:id="@+id/ll_book_read"
                       android:layout_width="match_parent"

app/src/main/res/layout/gridview_book_item.xml

@@ -18,7 +18,7 @@
             android:layout_width="80dp"
             android:layout_height="110dp"
             android:scaleType="fitXY"
-            app:srcCompat="@mipmap/no_image"/>
+            app:srcCompat="@mipmap/default_cover"/>
 
         <TextView
             android:layout_marginTop="5dp"

app/src/main/res/layout/item_file.xml

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:orientation="horizontal"
+	android:layout_width="match_parent"
+	android:background="@drawable/selector_common_bg"
+	android:layout_height="60dp">
+	
+	<FrameLayout
+		android:id="@+id/file_fl_icon"
+		android:layout_width="60dp"
+		android:layout_height="match_parent">
+		<!--文件夹标识或已选文件标识-->
+		<ImageView
+			android:id="@+id/file_iv_icon"
+			android:layout_width="match_parent"
+			android:layout_height="match_parent"
+			android:scaleType="center"
+			android:visibility="gone"
+			tools:src="@drawable/ic_folder"/>
+		<!--选择是否添加文件-->
+		<CheckBox
+				android:id="@+id/file_cb_select"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:layout_gravity="center"
+				android:enabled="true"
+				android:clickable="false"
+				android:focusable="true"
+				android:theme="@style/MyCheckBox" />
+	</FrameLayout>
+	
+	<RelativeLayout
+		android:layout_width="0dp"
+		android:layout_height="match_parent"
+		android:layout_weight="1"
+		android:paddingTop="8dp"
+		android:paddingBottom="8dp">
+		
+		<TextView
+			style="@style/SingleLine"
+			android:id="@+id/file_tv_name"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:textSize="16sp"
+			android:textColor="@color/title_black"
+			android:text="英语四级"/>
+		
+		<LinearLayout
+			android:id="@+id/file_ll_brief"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:orientation="horizontal"
+			android:gravity="center_vertical"
+			android:layout_alignParentBottom="true">
+			
+			<TextView
+				style="@style/File_Tag"
+				android:id="@+id/file_tv_tag"
+				android:layout_toRightOf="@+id/file_fl_icon"
+				android:layout_alignParentBottom="true"
+				android:layout_marginRight="15dp"
+				android:text="TXT"
+				android:background="@drawable/ic_tag_txt"/>
+			
+			<TextView
+				android:id="@+id/file_tv_size"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:textColor="@color/title_black"
+				android:layout_marginRight="15dp"
+				tools:text="324kb"/>
+			
+			<TextView
+				android:id="@+id/file_tv_date"
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:textColor="@color/title_black"
+				tools:text="2017-05-22"/>
+		</LinearLayout>
+		
+		<TextView
+			android:id="@+id/file_tv_sub_count"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_alignParentBottom="true"
+			tools:text="0 项"
+			android:textColor="@color/title_black"
+			android:visibility="gone"/>
+	</RelativeLayout>
+</LinearLayout>

app/src/main/res/layout/listview_book_store_book_item.xml

@@ -12,7 +12,7 @@
         android:layout_width="70dp"
         android:layout_height="100dp"
         android:scaleType="fitXY"
-        app:srcCompat="@mipmap/no_image" />
+        app:srcCompat="@mipmap/default_cover" />
 
     <RelativeLayout
         android:layout_width="match_parent"

app/src/main/res/layout/scroll_title_indicator.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+       xmlns:app="http://schemas.android.com/apk/res-auto">
+    <com.google.android.material.appbar.AppBarLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+        <androidx.appcompat.widget.Toolbar
+                xmlns:android="http://schemas.android.com/apk/res/android"
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize"
+                android:background="@color/white"
+                android:theme="@style/Theme.ToolBar.Menu"
+                app:layout_scrollFlags="scroll|enterAlways">
+        </androidx.appcompat.widget.Toolbar>
+
+        <com.google.android.material.tabs.TabLayout
+                android:id="@+id/tab_tl_indicator"
+                android:layout_width="match_parent"
+                android:layout_height="40dp"
+                android:background="@color/white"
+                app:tabTextColor="@color/title_black"
+                app:tabSelectedTextColor="@color/colorAccent"
+                app:tabIndicatorColor="@color/colorAccent">
+        </com.google.android.material.tabs.TabLayout>
+    </com.google.android.material.appbar.AppBarLayout>
+</merge>

app/src/main/res/layout/view_empty.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (c) 2016 JustWayward Team
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/rl_empty_view"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_centerInParent="true"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:orientation="vertical">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:background="@drawable/ic_no_data" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="10dp"
+            android:text="暂无数据"
+            android:textColor="@color/text_common_h1" />
+    </LinearLayout>
+</RelativeLayout>

app/src/main/res/layout/view_loading.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+    <ProgressBar
+        android:id="@+id/loadding_pb"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"/>
+</RelativeLayout>

app/src/main/res/layout/view_net_error.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:id="@+id/rl_empty_view"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_centerInParent="true"
+                android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:orientation="vertical">
+
+        <ImageView
+            android:id="@+id/book_shelf_iv_empty"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:background="@drawable/ic_no_data" />
+
+        <TextView
+            android:id="@+id/tvEmptyView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="10dp"
+            android:text="网络连接失败..."
+            android:textColor="@color/text_common_h2" />
+    </LinearLayout>
+</RelativeLayout>

app/src/main/res/values/attrs.xml

@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-
+    <declare-styleable name="RefreshLayout">
+        <attr name="layout_refresh_empty" format="reference"/>
+        <attr name="layout_refresh_error" format="reference"/>
+        <attr name="layout_refresh_loading" format="reference"/>
+    </declare-styleable>
 
     <declare-styleable name="Animation_emerge">
         <attr name="windowEnterAnimation" format="integer" />

app/src/main/res/values/colors.xml

@@ -141,4 +141,23 @@
 
     <color name="highlight">#d3321b</color>
     <color name="darker_gray">#aaaaaaaa</color>
+
+
+    <!--通用一级标题的颜色-->
+    <color name="text_common_h1">#212121</color>
+    <!--通用二级标题的颜色-->
+    <color name="text_common_h2">#727272</color>
+    <!--通用三级标题的颜色-->
+    <color name="text_common_h3">#B2B2B2</color>
+
+    <!--通用分割线细-->
+    <color name="divider_narrow">#E3E3E3</color>
+
+    <!--button-->
+    <color name="widget_button_normal">@color/white</color>
+    <color name="widget_button_selected">#E3E3E3</color>
+
+    <color name="divider_common">#727272</color>
+
+    <color name="translucent_text">#96ffffff</color>
 </resources>

app/src/main/res/values/ids.xml

@@ -3,4 +3,5 @@
 
     <item name="first" type="id" />
 
+    <item type="id" name="status_bar"/>
 </resources>

app/src/main/res/values/strings.xml

@@ -86,4 +86,11 @@
     <string name="this_github_url">https://github.com/fengyuecanzhu/FYReader</string>
     <string name="update">检查更新</string>
 
+
+    <!--file system-->
+    <string name="file_sub_count">%1$d 项</string>
+    <string name="file_path">存储卡:%1$s</string>
+    <string name="file_add_shelf">加入书架</string>
+    <string name="file_add_shelves">加入书架(%1$d)</string>
+    <string name="file_add_succeed">成功添加%1$d本书</string>
 </resources>

app/src/main/res/values/styles.xml

@@ -42,4 +42,56 @@
         <item name="colorControlNormal">@color/gray</item>
         <item name="colorControlActivated">@color/colorAccent</item>
     </style>
+
+
+    <style name="SingleLine">
+        <item name="android:singleLine">true</item>
+        <item name="android:maxLines">1</item>
+        <item name="android:ellipsize">end</item>
+    </style>
+
+    <style name="File_Tag">
+        <item name="android:layout_width">38dp</item>
+        <item name="android:layout_height">18dp</item>
+        <item name="android:textSize">12sp</item>
+        <item name="android:textColor">@color/white</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:gravity">center</item>
+    </style>
+
+    <!--Toolbar-->
+    <style name="Theme.ToolBar.Menu" parent="ThemeOverlay.AppCompat.ActionBar">
+        <!-- 设置-弹窗的背景-颜色-->
+        <item name="android:colorBackground">@color/white</item>
+        <!-- 字体的颜色-->
+        <item name="android:textColor">@color/black</item>
+        <!-- 字体大小-->
+        <item name="android:textSize">16sp</item>
+        <item name="android:gravity">center_vertical</item>
+        <!-- 用于替换菜单的三个小白点，换成自已的图片-->
+<!--        <item name="actionOverflowButtonStyle">@style/ActionButton.Overflow.Menu</item>-->
+        <!--用于控制menu弹出的位置，位于toolbar的下面，而不是上面-->
+        <item name="actionOverflowMenuStyle">@style/OverflowMenuStyle</item>
+        <!-- 用于修改item默认的分割线-->
+        <item name="android:dropDownListViewStyle">@style/dropDownStyle</item>
+        <item name="dropDownListViewStyle">@style/dropDownStyle</item>
+    </style>
+
+    <style name="ActionButton.Overflow.Menu" parent="android:style/Widget.Holo.Light.ActionButton.Overflow">
+        <item name="android:src">@drawable/ic_menu_overflow</item>
+    </style>
+
+    <style name="OverflowMenuStyle" parent="Widget.AppCompat.Light.PopupMenu.Overflow">
+        <item name="overlapAnchor">false</item>
+    </style>
+
+    <!--用于修改popmenu的分割线-->
+    <style name="dropDownStyle" parent="android:style/Widget.Holo.ListView.DropDown">
+        <item name="android:listSelector">@drawable/selector_common_bg</item>
+        <item name="android:divider">@color/divider_common</item>
+        <item name="android:dividerHeight">0.5dp</item>
+    </style>
+
+
+
 </resources>

app/version_code.properties

@@ -1,2 +1,2 @@
-#Fri Aug 07 09:42:27 CST 2020
+#Wed Aug 12 21:27:50 CST 2020
-VERSION_CODE=140
+VERSION_CODE=141