diff --git a/app/src/debug/res/values/strings.xml b/app/src/debug/res/values/strings.xml
index b91572ada..cb15b9df4 100644
--- a/app/src/debug/res/values/strings.xml
+++ b/app/src/debug/res/values/strings.xml
@@ -1,4 +1,4 @@
 <resources>
-    <string name="app_name">阅读.debug</string>
-    <string name="receiving_shared_label">阅读.debug·搜索</string>
+    <string name="app_name">悦读.debug</string>
+    <string name="receiving_shared_label">悦读.debug·搜索</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b30b4bf58..cfb6793b8 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -287,7 +287,19 @@
                 <data android:mimeType="text/plain" />
             </intent-filter>
         </activity>
-
+        <activity
+            android:name=".ui.config.FileAssociationActivity"
+            android:launchMode="singleTop">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="file"/>
+                <data android:scheme="content"/>
+                <data android:mimeType="text/plain" />
+                <data android:mimeType="application/json" />
+            </intent-filter>
+        </activity>
         <service android:name=".service.CheckSourceService" />
         <service android:name=".service.DownloadService" />
         <service android:name=".service.WebService" />
diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index d767bdc71..394bc51f9 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -3,6 +3,13 @@
 * 请关注[开源阅读]()支持我,同时关注合作公众号[小说拾遗](),阅读公众号小编。
 * 弄了个企业公众号[开源阅读](),后面弄好后会把原来的[开源阅读软件]()迁移过来
 
+**2020/03/22**
+* 添加文件关联 by wqfantexi
+* 手动排序可以了,在书架整理里面拖动排序
+* 删除分组时同时删除书籍里的分组信息,下次添加新分组时不会自动出现在分组内
+* 修复换源丢失分组信息的bug
+* 修复部分朗读引擎不自动朗读下一章的bug
+
 **2020/03/21**
 * 详情页点击书名搜索
 
@@ -266,14 +273,7 @@
   - 调试正文页>>输入正文页URL，如：`--https://www.zhaishuyuan.com/chapter/30394/20940996`
   
 * 修改订阅中自动添加style的情景
-  订阅源的内容规则中存在`<style>`或`style=`时，直接显示内容规则的原始内容,否则会在前面加以下内容
-  ```
-  <style>
-  	img{max-width:100% !important; width:auto; height:auto;}
-  	video{object-fit:fill; max-width:100% !important; width:auto; height:auto;}
-  	body{word-wrap:break-word; height:auto;max-width: 100%; width:auto;}
-  </style>
-  ```
+  订阅源的内容规则中存在`<style>`或`style=`时，直接显示内容规则的原始内容
 
 **2019/12/28**
 * 添加下载界面
diff --git a/app/src/main/java/io/legado/app/base/adapter/CommonRecyclerAdapter.kt b/app/src/main/java/io/legado/app/base/adapter/CommonRecyclerAdapter.kt
index f864aa4e8..6a72c911f 100644
--- a/app/src/main/java/io/legado/app/base/adapter/CommonRecyclerAdapter.kt
+++ b/app/src/main/java/io/legado/app/base/adapter/CommonRecyclerAdapter.kt
@@ -290,12 +290,11 @@ abstract class CommonRecyclerAdapter<ITEM>(protected val context: Context) :
         return footerItems?.size() ?: 0
     }
 
-    fun getItem(position: Int): ITEM? =
-        if (position in 0 until items.size) items[position] else null
+    fun getItem(position: Int): ITEM? = items.getOrNull(position)
 
     fun getItemByLayoutPosition(position: Int): ITEM? {
         val pos = position - getHeaderCount()
-        return if (pos in 0 until items.size) items[pos] else null
+        return items.getOrNull(pos)
     }
 
     fun getItems(): List<ITEM> = items
diff --git a/app/src/main/java/io/legado/app/data/dao/BookDao.kt b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
index b323a2711..d8d960df3 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
@@ -12,16 +12,16 @@ interface BookDao {
     @Query("SELECT * FROM books order by durChapterTime desc")
     fun observeAll(): LiveData<List<Book>>
 
-    @Query("SELECT * FROM books WHERE type = ${BookType.audio} order by durChapterTime desc")
+    @Query("SELECT * FROM books WHERE type = ${BookType.audio}")
     fun observeAudio(): LiveData<List<Book>>
 
-    @Query("SELECT * FROM books WHERE origin = '${BookType.local}' order by durChapterTime desc")
+    @Query("SELECT * FROM books WHERE origin = '${BookType.local}'")
     fun observeLocal(): LiveData<List<Book>>
 
-    @Query("SELECT bookUrl FROM books WHERE origin = '${BookType.local}' order by durChapterTime desc")
+    @Query("SELECT bookUrl FROM books WHERE origin = '${BookType.local}'")
     fun observeLocalUri(): LiveData<List<String>>
 
-    @Query("SELECT * FROM books WHERE origin <> '${BookType.local}' and type = 0 order by durChapterTime desc")
+    @Query("SELECT * FROM books WHERE origin <> '${BookType.local}' and type = 0")
     fun observeDownload(): LiveData<List<Book>>
 
     @Query("SELECT * FROM books WHERE (`group` & :group) > 0")
@@ -33,6 +33,9 @@ interface BookDao {
     @Query("SELECT * FROM books WHERE name like '%'||:key||'%' or author like '%'||:key||'%'")
     fun liveDataSearch(key: String): LiveData<List<Book>>
 
+    @Query("SELECT * FROM books WHERE (`group` & :group) > 0")
+    fun getBooksByGroup(group: Int): List<Book>
+
     @Query("SELECT * FROM books WHERE `name` in (:names)")
     fun findByName(vararg names: String): List<Book>
 
@@ -57,6 +60,9 @@ interface BookDao {
     @get:Query("SELECT COUNT(*) FROM books")
     val allBookCount: Int
 
+    @get:Query("select max(`order`) from books")
+    val maxOrder: Int
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg book: Book)
 
diff --git a/app/src/main/java/io/legado/app/help/ItemTouchCallback.kt b/app/src/main/java/io/legado/app/help/ItemTouchCallback.kt
index 99ba74ef1..9c1a0bbf2 100644
--- a/app/src/main/java/io/legado/app/help/ItemTouchCallback.kt
+++ b/app/src/main/java/io/legado/app/help/ItemTouchCallback.kt
@@ -106,7 +106,7 @@ class ItemTouchCallback : ItemTouchHelper.Callback() {
 
     override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
         super.clearView(recyclerView, viewHolder)
-        onItemTouchCallbackListener?.clearView(recyclerView, viewHolder)
+        onItemTouchCallbackListener?.onClearView(recyclerView, viewHolder)
     }
 
     interface OnItemTouchCallbackListener {
@@ -131,7 +131,10 @@ class ItemTouchCallback : ItemTouchHelper.Callback() {
             return true
         }
 
-        fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+        /**
+         * 手指松开
+         */
+        fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
 
         }
 
diff --git a/app/src/main/java/io/legado/app/help/storage/Backup.kt b/app/src/main/java/io/legado/app/help/storage/Backup.kt
index 60d86d6a3..c47951385 100644
--- a/app/src/main/java/io/legado/app/help/storage/Backup.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Backup.kt
@@ -31,11 +31,10 @@ object Backup {
     fun autoBack(context: Context) {
         val lastBackup = context.getPrefLong(PreferKey.lastBackup)
         if (lastBackup + TimeUnit.DAYS.toMillis(1) < System.currentTimeMillis()) {
-            return
-        }
-        Coroutine.async {
-            context.getPrefString(PreferKey.backupPath)?.let {
-                backup(context, it, true)
+            Coroutine.async {
+                context.getPrefString(PreferKey.backupPath)?.let {
+                    backup(context, it, true)
+                }
             }
         }
     }
diff --git a/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt b/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
index 3ad351ca7..1a4de9e6f 100644
--- a/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/BaseReadAloudService.kt
@@ -111,11 +111,17 @@ abstract class BaseReadAloudService : BaseService(),
                 if (getPrefBoolean(PreferKey.readAloudByPage)) {
                     for (index in pageIndex..textChapter.lastIndex()) {
                         textChapter.page(index)?.text?.split("\n")?.let {
-                            contentList.addAll(it)
+                            if (it.isNotEmpty()) {
+                                contentList.addAll(it)
+                            }
                         }
                     }
                 } else {
-                    contentList.addAll(textChapter.getUnRead(pageIndex).split("\n"))
+                    textChapter.getUnRead(pageIndex).split("\n").forEach {
+                        if (it.isNotEmpty()) {
+                            contentList.add(it)
+                        }
+                    }
                 }
                 if (play) play()
             } ?: stopSelf()
diff --git a/app/src/main/java/io/legado/app/ui/README.md b/app/src/main/java/io/legado/app/ui/README.md
index b408eb6b9..ef44bed69 100644
--- a/app/src/main/java/io/legado/app/ui/README.md
+++ b/app/src/main/java/io/legado/app/ui/README.md
@@ -6,7 +6,7 @@
 * book\info 书籍信息查看
 * book\read 书籍阅读界面
 * book\search 搜索书籍界面
-* book\source 搜索书源界面
+* book\source 书源界面
 * book\changeCover 封面换源界面
 * book\changeSource 换源界面
 * book\chapterList 目录界面
diff --git a/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt b/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
index 892a99f41..8f0cd9fa4 100644
--- a/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt
@@ -91,6 +91,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
     fun changeTo(book1: Book) {
         execute {
             AudioPlay.book?.let {
+                book1.order = it.order
                 App.db.bookDao().delete(it)
             }
             withContext(Dispatchers.Main) {
diff --git a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt
index 15217f3bc..e7d78a6f4 100644
--- a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt
@@ -11,6 +11,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.help.ItemTouchCallback
@@ -23,6 +24,7 @@ import io.legado.app.ui.book.group.GroupSelectDialog
 import io.legado.app.ui.widget.SelectActionBar
 import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.applyTint
+import io.legado.app.utils.getPrefInt
 import io.legado.app.utils.getViewModel
 import kotlinx.android.synthetic.main.activity_arrange_book.*
 
@@ -68,7 +70,7 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         recycler_view.adapter = adapter
         val itemTouchCallback = ItemTouchCallback()
         itemTouchCallback.onItemTouchCallbackListener = adapter
-        itemTouchCallback.isCanDrag = true
+        itemTouchCallback.isCanDrag = getPrefInt(PreferKey.bookshelfSort) == 3
         ItemTouchHelper(itemTouchCallback).attachToRecyclerView(recycler_view)
         select_action_bar.setMainActionText(R.string.move_to_group)
         select_action_bar.inflateMenu(R.menu.arrange_book_sel)
@@ -109,8 +111,14 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
                 -11 -> App.db.bookDao().observeNoGroup()
                 else -> App.db.bookDao().observeByGroup(groupId)
             }
-        booksLiveData?.observe(this, Observer {
-            adapter.setItems(it)
+        booksLiveData?.observe(this, Observer { list ->
+            val books = when (getPrefInt(PreferKey.bookshelfSort)) {
+                1 -> list.sortedByDescending { it.latestChapterTime }
+                2 -> list.sortedBy { it.name }
+                3 -> list.sortedBy { it.order }
+                else -> list.sortedByDescending { it.durChapterTime }
+            }
+            adapter.setItems(books)
             upSelectCount()
         })
     }
@@ -205,6 +213,10 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         select_action_bar.upCountView(adapter.selectedBooks().size, adapter.getItems().size)
     }
 
+    override fun updateBook(vararg book: Book) {
+        viewModel.updateBook(*book)
+    }
+
     override fun deleteBook(book: Book) {
         alert(titleResource = R.string.draw, messageResource = R.string.sure_del) {
             okButton {
diff --git a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
index abc72b905..4917ea6cb 100644
--- a/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt
@@ -2,14 +2,18 @@ package io.legado.app.ui.book.arrange
 
 import android.content.Context
 import android.view.View
+import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookGroup
 import io.legado.app.help.ItemTouchCallback
+import io.legado.app.lib.theme.backgroundColor
 import kotlinx.android.synthetic.main.item_arrange_book.view.*
+import org.jetbrains.anko.backgroundColor
 import org.jetbrains.anko.sdk27.listeners.onClick
+import java.util.*
 
 class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
     SimpleRecyclerAdapter<Book>(context, R.layout.item_arrange_book),
@@ -54,6 +58,7 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
 
     override fun convert(holder: ItemViewHolder, item: Book, payloads: MutableList<Any>) {
         with(holder.itemView) {
+            backgroundColor = context.backgroundColor
             tv_name.text = item.name
             tv_author.text = item.author
             tv_author.visibility = if (item.author.isEmpty()) View.GONE else View.VISIBLE
@@ -120,9 +125,39 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
         return groupNames.joinToString(",")
     }
 
+    private var isMoved = false
+
+    override fun onMove(srcPosition: Int, targetPosition: Int): Boolean {
+        val srcItem = getItem(srcPosition)
+        val targetItem = getItem(targetPosition)
+        Collections.swap(getItems(), srcPosition, targetPosition)
+        notifyItemMoved(srcPosition, targetPosition)
+        if (srcItem != null && targetItem != null) {
+            if (srcItem.order == targetItem.order) {
+                for ((index, item) in getItems().withIndex()) {
+                    item.order = index + 1
+                }
+            } else {
+                val pos = srcItem.order
+                srcItem.order = targetItem.order
+                targetItem.order = pos
+            }
+        }
+        isMoved = true
+        return true
+    }
+
+    override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+        if (isMoved) {
+            callBack.updateBook(*getItems().toTypedArray())
+        }
+        isMoved = false
+    }
+
     interface CallBack {
         val groupList: List<BookGroup>
         fun upSelectCount()
+        fun updateBook(vararg book: Book)
         fun deleteBook(book: Book)
         fun selectGroup(groupId: Int, requestCode: Int)
     }
diff --git a/app/src/main/java/io/legado/app/ui/book/download/DownloadActivity.kt b/app/src/main/java/io/legado/app/ui/book/download/DownloadActivity.kt
index fec1ed537..b0f860527 100644
--- a/app/src/main/java/io/legado/app/ui/book/download/DownloadActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/download/DownloadActivity.kt
@@ -13,6 +13,7 @@ import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.EventBus
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.BookHelp
@@ -81,9 +82,15 @@ class DownloadActivity : VMBaseActivity<DownloadViewModel>(R.layout.activity_dow
     private fun initLiveData() {
         bookshelfLiveData?.removeObservers(this)
         bookshelfLiveData = App.db.bookDao().observeDownload()
-        bookshelfLiveData?.observe(this, Observer {
-            adapter.setItems(it)
-            initCacheSize(it)
+        bookshelfLiveData?.observe(this, Observer { list ->
+            val books = when (getPrefInt(PreferKey.bookshelfSort)) {
+                1 -> list.sortedByDescending { it.latestChapterTime }
+                2 -> list.sortedBy { it.name }
+                3 -> list.sortedBy { it.order }
+                else -> list.sortedByDescending { it.durChapterTime }
+            }
+            adapter.setItems(books)
+            initCacheSize(books)
         })
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt b/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
index 8be9ed34f..60010f46d 100644
--- a/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt
@@ -217,7 +217,7 @@ class GroupManageDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
             return true
         }
 
-        override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+        override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
             if (isMoved) {
                 for ((index, item) in getItems().withIndex()) {
                     item.order = index + 1
diff --git a/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt b/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
index b290bc5df..29df624e7 100644
--- a/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/group/GroupSelectDialog.kt
@@ -203,7 +203,7 @@ class GroupSelectDialog : DialogFragment(), Toolbar.OnMenuItemClickListener {
             return true
         }
 
-        override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+        override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
             if (isMoved) {
                 for ((index, item) in getItems().withIndex()) {
                     item.order = index + 1
diff --git a/app/src/main/java/io/legado/app/ui/book/group/GroupViewModel.kt b/app/src/main/java/io/legado/app/ui/book/group/GroupViewModel.kt
index eb811766e..23555015f 100644
--- a/app/src/main/java/io/legado/app/ui/book/group/GroupViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/group/GroupViewModel.kt
@@ -32,6 +32,13 @@ class GroupViewModel(application: Application) : BaseViewModel(application) {
     fun delGroup(vararg bookGroup: BookGroup) {
         execute {
             App.db.bookGroupDao().delete(*bookGroup)
+            bookGroup.forEach { group ->
+                val books = App.db.bookDao().getBooksByGroup(group.groupId)
+                books.forEach {
+                    it.group = it.group - group.groupId
+                }
+                App.db.bookDao().update(*books.toTypedArray())
+            }
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
index a8d8f59ef..e44018ee7 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt
@@ -133,6 +133,8 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
         execute {
             if (inBookshelf) {
                 bookData.value?.let {
+                    book.group = it.group
+                    book.order = it.order
                     App.db.bookDao().delete(it)
                 }
                 App.db.bookDao().insert(book)
@@ -164,6 +166,9 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
     fun saveBook(success: (() -> Unit)? = null) {
         execute {
             bookData.value?.let { book ->
+                if (book.order == 0) {
+                    book.order = App.db.bookDao().maxOrder + 1
+                }
                 App.db.bookDao().insert(book)
             }
         }.onSuccess {
@@ -184,6 +189,9 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
     fun addToBookshelf(success: (() -> Unit)?) {
         execute {
             bookData.value?.let { book ->
+                if (book.order == 0) {
+                    book.order = App.db.bookDao().maxOrder + 1
+                }
                 App.db.bookDao().insert(book)
             }
             chapterListData.value?.let {
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index e81d7cad9..043c419eb 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -609,9 +609,6 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
      * 朗读按钮
      */
     override fun onClickReadAloud() {
-        if (!BaseReadAloudService.isRun) {
-            SystemUtils.ignoreBatteryOptimization(this)
-        }
         when {
             !BaseReadAloudService.isRun -> ReadBook.readAloud()
             BaseReadAloudService.pause -> ReadAloud.resume(this)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
index 231f83e11..19c10ee83 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookViewModel.kt
@@ -136,6 +136,8 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         execute {
             ReadBook.upMsg(null)
             ReadBook.book?.let {
+                book1.group = it.group
+                book1.order = it.order
                 App.db.bookDao().delete(it)
             }
             ReadBook.prevTextChapter = null
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
index aa816f93f..d4a6711bc 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt
@@ -252,8 +252,8 @@ class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
             return super.onMove(srcPosition, targetPosition)
         }
 
-        override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
-            super.clearView(recyclerView, viewHolder)
+        override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+            super.onClearView(recyclerView, viewHolder)
             if (isMoved) {
                 for ((index, item) in getItems().withIndex()) {
                     item.serialNumber = index + 1
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChapter.kt b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChapter.kt
index e2cbaafde..e05b7746b 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/entities/TextChapter.kt
@@ -12,10 +12,7 @@ data class TextChapter(
     val chaptersSize: Int
 ) {
     fun page(index: Int): TextPage? {
-        if (index >= 0 && index < pages.size) {
-            return pages[index]
-        }
-        return null
+        return pages.getOrNull(index)
     }
 
     fun lastPage(): TextPage? {
@@ -25,20 +22,6 @@ data class TextChapter(
         return null
     }
 
-    fun scrollPage(): TextPage? {
-        if (pages.isNotEmpty()) {
-            val stringBuilder = StringBuilder()
-            pages.forEach {
-                stringBuilder.append(it.text)
-            }
-            return TextPage(
-                index = 0, text = stringBuilder.toString(), title = title,
-                pageSize = pages.size, chapterSize = chaptersSize, chapterIndex = position
-            )
-        }
-        return null
-    }
-
     fun lastIndex(): Int {
         return pages.size - 1
     }
@@ -70,28 +53,6 @@ data class TextChapter(
         return stringBuilder.toString()
     }
 
-    fun getStartLine(pageIndex: Int): Int {
-        if (pageLines.size > pageIndex) {
-            var lines = 0
-            for (index: Int in 0 until pageIndex) {
-                lines += pageLines[index] + 1
-            }
-            return lines
-        }
-        return 0
-    }
-
-    fun getPageIndex(line: Int): Int {
-        var lines = 0
-        for (pageIndex in pageLines.indices) {
-            lines += pageLines[pageIndex] + 1
-            if (line < lines) {
-                return pageIndex
-            }
-        }
-        return 0
-    }
-
     fun getContent(): String {
         val stringBuilder = StringBuilder()
         pages.forEach {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
index 385088640..d3cb63af3 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
@@ -104,8 +104,14 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
             when (it.path) {
                 "/importonline" -> it.getQueryParameter("src")?.let { url ->
                     Snackbar.make(title_bar, R.string.importing, Snackbar.LENGTH_INDEFINITE).show()
-                    viewModel.importSource(url) { msg ->
-                        title_bar.snackbar(msg)
+                    if (url.startsWith("http", false)){
+                        viewModel.importSource(url) { msg ->
+                            title_bar.snackbar(msg)
+                        }
+                    }
+                    else{
+                        viewModel.importSourceFromFilePath(url){msg ->
+                            title_bar.snackbar(msg)}
                     }
                 }
                 else -> {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
index 5d5872638..eb37cb868 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceAdapter.kt
@@ -185,7 +185,7 @@ class BookSourceAdapter(context: Context, val callBack: CallBack) :
 
     private val movedItems = hashSetOf<BookSource>()
 
-    override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+    override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
         if (movedItems.isNotEmpty()) {
             callBack.update(*movedItems.toTypedArray())
             movedItems.clear()
diff --git a/app/src/main/java/io/legado/app/ui/config/FileAssociationActivity.kt b/app/src/main/java/io/legado/app/ui/config/FileAssociationActivity.kt
new file mode 100644
index 000000000..80390c639
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/config/FileAssociationActivity.kt
@@ -0,0 +1,39 @@
+package io.legado.app.ui.config
+
+import android.content.Intent
+import android.os.Bundle
+import io.legado.app.R
+import io.legado.app.base.VMBaseActivity
+import io.legado.app.ui.main.MainActivity
+import io.legado.app.utils.getViewModel
+
+
+class FileAssociationActivity :
+    VMBaseActivity<FileAssociationViewModel>(R.layout.activity_file_association) {
+    override val viewModel: FileAssociationViewModel
+        get() = getViewModel(FileAssociationViewModel::class.java)
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        intent.data?.let { data ->
+            val newIntent = viewModel.dispatchIndent(data)
+            if (newIntent != null) {
+                this.startActivityForResult(newIntent, 100)
+            } else {
+                gotoMainActivity()
+            }
+        }
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+
+        //返回后直接跳转到主页面
+        gotoMainActivity()
+    }
+
+    private fun gotoMainActivity() {
+        val mIntent = Intent()
+        mIntent.setClass(this, MainActivity::class.java)
+        startActivity(mIntent)
+    }
+}
diff --git a/app/src/main/java/io/legado/app/ui/config/FileAssociationViewModel.kt b/app/src/main/java/io/legado/app/ui/config/FileAssociationViewModel.kt
new file mode 100644
index 000000000..80db1af37
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/config/FileAssociationViewModel.kt
@@ -0,0 +1,69 @@
+package io.legado.app.ui.config
+
+import android.app.Application
+import android.content.Intent
+import android.net.Uri
+import android.text.TextUtils
+import androidx.documentfile.provider.DocumentFile
+import io.legado.app.base.BaseViewModel
+import io.legado.app.model.localBook.LocalBook
+import io.legado.app.utils.isJsonArray
+import io.legado.app.utils.isJsonObject
+import io.legado.app.utils.readText
+import java.io.File
+
+class FileAssociationViewModel(application: Application) : BaseViewModel(application) {
+    fun dispatchIndent(uri: Uri): Intent? {
+        val url: String
+        //如果是普通的url，需要根据返回的内容判断是什么
+        if (uri.scheme == "file" || uri.scheme == "content") {
+            val content = if (uri.scheme == "file") {
+                val file = File(uri.path.toString())
+                if (file.exists()) {
+                    file.readText()
+                } else {
+                    null
+                }
+            } else {
+                DocumentFile.fromSingleUri(context, uri)?.readText(context)
+            }
+            var scheme = ""
+            if (content != null) {
+                if (content.isJsonObject() || content.isJsonArray()) {
+                    //暂时根据文件内容判断属于什么
+                    when {
+                        content.contains("bookSourceUrl") -> {
+                            scheme = "booksource"
+                        }
+                        content.contains("sourceUrl") -> {
+                            scheme = "rsssource"
+                        }
+                        content.contains("pattern") -> {
+                            scheme = "replace"
+                        }
+                    }
+                }
+                if (TextUtils.isEmpty(scheme)) {
+                    execute {
+                        LocalBook.importFile(uri.path.toString())
+                        toast("添加本地文件成功${uri.path}")
+                    }
+                    return null
+                }
+            } else {
+                toast("文件不存在")
+                return null
+            }
+
+            url = "yuedu://${scheme}/importonline?src=${uri.path}"
+        } else if (uri.scheme == "yuedu") {
+            url = uri.toString()
+        } else {
+            url = "yuedu://booksource/importonline?src=${uri.path}"
+        }
+        val data = Uri.parse(url)
+        val newIndent = Intent(Intent.ACTION_VIEW)
+        newIndent.data = data
+        return newIndent
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
index 2415db1be..dda342015 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt
@@ -43,6 +43,7 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
                     )
                     WebBook(bookSource).getBookInfo(book, this)
                         .onSuccess(IO) {
+                            it.order = App.db.bookDao().maxOrder + 1
                             App.db.bookDao().insert(it)
                             successCount++
                         }.onError {
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
index fd0a591b6..1f9057e35 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
@@ -81,8 +81,15 @@ class ReplaceRuleActivity : VMBaseActivity<ReplaceRuleViewModel>(R.layout.activi
             when (it.path) {
                 "/importonline" -> it.getQueryParameter("src")?.let { url ->
                     Snackbar.make(title_bar, R.string.importing, Snackbar.LENGTH_INDEFINITE).show()
-                    viewModel.importSource(url) { msg ->
-                        title_bar.snackbar(msg)
+                    if (url.startsWith("http", false)){
+                        viewModel.importSource(url) { msg ->
+                            title_bar.snackbar(msg)
+                        }
+                    }
+                    else{
+                        viewModel.importSourceFromFilePath(url) { msg ->
+                            title_bar.snackbar(msg)
+                        }
                     }
                 }
                 else -> {
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleAdapter.kt b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleAdapter.kt
index dd51d31d0..4dd09980c 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleAdapter.kt
@@ -148,7 +148,7 @@ class ReplaceRuleAdapter(context: Context, var callBack: CallBack) :
 
     private val movedItems = linkedSetOf<ReplaceRule>()
 
-    override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+    override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
         if (movedItems.isNotEmpty()) {
             callBack.update(*movedItems.toTypedArray())
             movedItems.clear()
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleViewModel.kt b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleViewModel.kt
index 7187c6b88..ec75e78ed 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleViewModel.kt
@@ -10,11 +10,26 @@ import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.help.http.HttpHelper
 import io.legado.app.help.storage.ImportOldData
 import io.legado.app.utils.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import org.jetbrains.anko.toast
 import java.io.File
 
 class ReplaceRuleViewModel(application: Application) : BaseViewModel(application) {
-
+    fun importSourceFromFilePath(path: String, finally: (msg: String) -> Unit) {
+        execute {
+            val file = File(path)
+            if (file.exists()) {
+                importSource(file.readText(), finally)
+            } else {
+                withContext(Dispatchers.Main) {
+                    finally("打开文件出错")
+                }
+            }
+        }.onError {
+            finally(it.localizedMessage ?: "打开文件出错")
+        }
+    }
     fun importSource(text: String, showMsg: (msg: String) -> Unit) {
         execute {
             if (text.isAbsUrl()) {
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt
index fb54d0cae..1f7503e47 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt
@@ -117,8 +117,15 @@ class RssSourceActivity : VMBaseActivity<RssSourceViewModel>(R.layout.activity_r
             when (it.path) {
                 "/importonline" -> it.getQueryParameter("src")?.let { url ->
                     Snackbar.make(title_bar, R.string.importing, Snackbar.LENGTH_INDEFINITE).show()
-                    viewModel.importSource(url) { msg ->
-                        title_bar.snackbar(msg)
+                    if (url.startsWith("http", false)){
+                        viewModel.importSource(url) { msg ->
+                            title_bar.snackbar(msg)
+                        }
+                    }
+                    else{
+                        viewModel.importSourceFromFilePath(url) { msg ->
+                            title_bar.snackbar(msg)
+                        }
                     }
                 }
                 else -> {
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
index 165d9bd0c..72de1e250 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceAdapter.kt
@@ -139,7 +139,7 @@ class RssSourceAdapter(context: Context, val callBack: CallBack) :
 
     private val movedItems = hashSetOf<RssSource>()
 
-    override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+    override fun onClearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
         if (movedItems.isNotEmpty()) {
             callBack.update(*movedItems.toTypedArray())
             movedItems.clear()
diff --git a/app/src/main/java/io/legado/app/utils/EncodingDetect.java b/app/src/main/java/io/legado/app/utils/EncodingDetect.java
index 29174b88e..b5bd4cf66 100644
--- a/app/src/main/java/io/legado/app/utils/EncodingDetect.java
+++ b/app/src/main/java/io/legado/app/utils/EncodingDetect.java
@@ -66,7 +66,7 @@ public class EncodingDetect {
     }
 
     public static String getEncode(@NonNull byte[] bytes) {
-        int len = bytes.length > 2000 ? 2000 : bytes.length;
+        int len = Math.min(bytes.length, 2000);
         byte[] cBytes = new byte[len];
         System.arraycopy(bytes, 0, cBytes, 0, len);
         BytesEncodingDetect bytesEncodingDetect = new BytesEncodingDetect();
@@ -1010,14 +1010,8 @@ class BytesEncodingDetect extends Encoding {
                     column = rawtext[i + 1] + 256;
                     if (column < 0x9f) {
                         adjust = 1;
-                        if (column > 0x7f) {
-                            column -= 0x20;
-                        } else {
-                            column -= 0x19;
-                        }
                     } else {
                         adjust = 0;
-                        column -= 0x7e;
                     }
                     if (row < 0xa0) {
                         row = ((row - 0x70) << 1) - adjust;
diff --git a/app/src/main/res/layout/activity_file_association.xml b/app/src/main/res/layout/activity_file_association.xml
new file mode 100644
index 000000000..2a7adee89
--- /dev/null
+++ b/app/src/main/res/layout/activity_file_association.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="io.legado.app.ui.config.FileAssociationActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/activity_welcome.xml b/app/src/main/res/layout/activity_welcome.xml
index 6013c90b1..2a94fce69 100644
--- a/app/src/main/res/layout/activity_welcome.xml
+++ b/app/src/main/res/layout/activity_welcome.xml
@@ -22,7 +22,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:ems="1"
-        android:text="阅读"
+        android:text="悦读"
         android:textSize="49sp"
         app:layout_constraintVertical_bias="0.3"
         app:layout_constraintRight_toLeftOf="@+id/tv_sub_title"
diff --git a/app/src/main/res/menu/change_cover.xml b/app/src/main/res/menu/change_cover.xml
index cce382d12..bf7d0d51b 100644
--- a/app/src/main/res/menu/change_cover.xml
+++ b/app/src/main/res/menu/change_cover.xml
@@ -6,7 +6,7 @@
     <item
         android:id="@+id/menu_stop"
         android:title="@string/stop"
-        android:icon="@drawable/ic_stop_black_24dp"
+        android:icon="@drawable/ic_refresh_white_24dp"
         app:showAsAction="always"
         tools:ignore="AlwaysShowAction" />
 
diff --git a/app/src/main/res/menu/change_source.xml b/app/src/main/res/menu/change_source.xml
index 36f9bee6e..ab2bfee4c 100644
--- a/app/src/main/res/menu/change_source.xml
+++ b/app/src/main/res/menu/change_source.xml
@@ -14,7 +14,7 @@
     <item
         android:id="@+id/menu_stop"
         android:title="@string/stop"
-        android:icon="@drawable/ic_stop_black_24dp"
+        android:icon="@drawable/ic_refresh_white_24dp"
         app:showAsAction="always"
         tools:ignore="AlwaysShowAction" />
 
diff --git a/app/src/main/res/values-night/colors.xml b/app/src/main/res/values-night/colors.xml
index 8ac7aa66a..c7eb91ae9 100644
--- a/app/src/main/res/values-night/colors.xml
+++ b/app/src/main/res/values-night/colors.xml
@@ -7,7 +7,7 @@
     <color name="background">@color/md_grey_900</color>
     <color name="background_card">@color/md_grey_850</color>
     <color name="background_menu">@color/md_grey_800</color>
-    <color name="background_prefs">#10303030</color>
+    <color name="background_prefs">#AA111111</color>
 
     <color name="night_mask">#69000000</color>
 
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 0fe64b7ca..8d6199035 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -16,7 +16,7 @@
     <color name="background">@color/md_grey_50</color>
     <color name="background_card">@color/md_grey_100</color>
     <color name="background_menu">@color/md_grey_200</color>
-    <color name="background_prefs">@color/md_grey_50</color>
+    <color name="background_prefs">#AAFFFFFF</color>
     <color name="transparent">#00000000</color>
 
     <color name="transparent10">#10000000</color>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bc219ab39..65deb8edd 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">阅读</string>
+    <string name="app_name">悦读</string>
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>
     <string name="nav_header_title">Android Studio</string>
@@ -20,7 +20,7 @@
     <string name="dialog_setting">去设置</string>
 
     <string name="tip_cannot_jump_setting_page">无法跳转至设置界面</string>
-    <string name="tip_perm_request_storage">阅读需要访问存储卡权限，请前往“设置”—“应用权限”—打开所需权限</string>
+    <string name="tip_perm_request_storage">悦读需要访问存储卡权限，请前往“设置”—“应用权限”—打开所需权限</string>
 
     <string name="dynamic_click_retry">点击重试</string>
     <string name="dynamic_loading">正在加载</string>
@@ -42,9 +42,8 @@
     <string name="all">全部</string>
     <string name="recent_reading">最近阅读</string>
     <string name="last_read">最后阅读</string>
-    <string name="read_summary">让阅读成为一种习惯。</string>
     <string name="update_log">更新日志</string>
-    <string name="receiving_shared_label">阅读·搜索</string>
+    <string name="receiving_shared_label">悦读·搜索</string>
     <string name="bookshelf_empty">书架还空着，先去添加吧！</string>
     <string name="action_search">搜索</string>
     <string name="action_download">下载</string>
@@ -132,8 +131,6 @@
     <string name="previous_chapter">上一章</string>
     <string name="pt_hide_status_bar">隐藏状态栏</string>
     <string name="ps_hide_status_bar">阅读界面隐藏状态栏</string>
-    <string name="pt_read_line_adjust">阅读行数调整</string>
-    <string name="ps_read_line_adjust">阅读行数减一行,如阅读界面显示不全可启用</string>
     <string name="read_aloud">朗读</string>
     <string name="read_aloud_t">正在朗读</string>
     <string name="read_aloud_s">点击打开阅读界面</string>
@@ -612,7 +609,7 @@
     <string name="sys_folder_picker">系统文件夹选择器</string>
     <string name="app_folder_picker">自带选择器\n(Android10以上因权限限制可能无法使用)</string>
     <string name="a10_permission_toast">Android10以上因权限限制可能无法读写文件</string>
-    <string name="add_to_text_context_menu_s">长按文字在操作菜单中显示阅读·搜索</string>
+    <string name="add_to_text_context_menu_s">长按文字在操作菜单中显示悦读·搜索</string>
     <string name="add_to_text_context_menu_t">文字操作显示搜索</string>
     <string name="record_log">记录日志</string>
     <string name="chinese_converter">中文简繁体转换</string>
diff --git a/app/src/main/res/xml/pref_config_read.xml b/app/src/main/res/xml/pref_config_read.xml
index ef360b43c..6be6d1e50 100644
--- a/app/src/main/res/xml/pref_config_read.xml
+++ b/app/src/main/res/xml/pref_config_read.xml
@@ -60,7 +60,7 @@
         android:key="selectText"
         app:iconSpaceReserved="false" />
 
-    <Preference
+    <io.legado.app.ui.widget.prefs.Preference
         android:key="customPageKey"
         android:title="@string/custom_page_key"
         app:iconSpaceReserved="false" />