up

app/build.gradle

@@ -126,6 +126,9 @@ dependencies {
     //Glide
     implementation 'com.github.bumptech.glide:glide:4.9.0'
 
+    //二维码
+    implementation 'cn.bingoogolapple:bga-qrcode-zxing:1.3.6'
+
     //颜色选择
     implementation 'com.jaredrummler:colorpicker:1.1.0'
 

app/src/main/AndroidManifest.xml

@@ -44,6 +44,7 @@
         <activity android:name=".ui.config.ConfigActivity"/>
         <activity android:name=".ui.sourceedit.SourceEditActivity"/>
         <activity android:name=".ui.bookshelf.BookshelfActivity" />
+        <activity android:name=".ui.qrcode.QrCodeActivity" />
     </application>
 
 </manifest>

app/src/main/java/io/legado/app/help/storage/Restore.kt

@@ -26,7 +26,7 @@ object Restore {
     }
 
     fun importYueDuData(context: Context) {
-        val yuedu = File(getSdPath(), "YueDu")
+        val yuedu = File(FileUtils.getSdPath(), "YueDu")
         val jsonPath = JsonPath.using(
             Configuration.builder()
                 .options(Option.SUPPRESS_EXCEPTIONS)

app/src/main/java/io/legado/app/ui/qrcode/QrCodeActivity.kt

@@ -0,0 +1,112 @@
+package io.legado.app.ui.qrcode
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuItem
+import androidx.lifecycle.AndroidViewModel
+import cn.bingoogolapple.qrcode.core.QRCodeView
+import io.legado.app.R
+import io.legado.app.base.BaseActivity
+import io.legado.app.help.permission.Permissions
+import io.legado.app.help.permission.PermissionsCompat
+import io.legado.app.utils.FileUtils
+import io.legado.app.utils.getViewModel
+import kotlinx.android.synthetic.main.activity_qrcode_capture.*
+import kotlinx.android.synthetic.main.view_title_bar.*
+
+class QrCodeActivity : BaseActivity<AndroidViewModel>(), QRCodeView.Delegate {
+    override val viewModel: AndroidViewModel
+        get() = getViewModel(AndroidViewModel::class.java)
+    override val layoutID: Int
+        get() = R.layout.activity_qrcode_capture
+
+    private val requestQrImage = 202
+    private var flashlightIsOpen: Boolean = false
+
+    override fun onViewModelCreated(viewModel: AndroidViewModel, savedInstanceState: Bundle?) {
+        setSupportActionBar(toolbar)
+        zxingview.setDelegate(this)
+        fab_flashlight.setOnClickListener {
+            if (flashlightIsOpen) {
+                flashlightIsOpen = false
+                zxingview.closeFlashlight()
+            } else {
+                flashlightIsOpen = true
+                zxingview.openFlashlight()
+            }
+        }
+    }
+
+    override fun onCompatCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.qr_code_scan, menu)
+        return super.onCompatCreateOptionsMenu(menu)
+    }
+
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.action_choose_from_gallery -> {
+                val intent = Intent(Intent.ACTION_GET_CONTENT)
+                intent.addCategory(Intent.CATEGORY_OPENABLE)
+                intent.type = "image/*"
+                startActivityForResult(intent, requestQrImage)
+            }
+        }
+        return super.onCompatOptionsItemSelected(item)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        startCamera()
+    }
+
+    private fun startCamera() {
+        PermissionsCompat.Builder(this)
+            .addPermissions(*Permissions.Group.CAMERA)
+            .rationale(R.string.qr_per)
+            .onGranted {
+                zxingview.startCamera() // 打开后置摄像头开始预览，但是并未开始识别
+                zxingview.startSpotAndShowRect() // 显示扫描框，并开始识别
+            }.build()
+    }
+
+    override fun onStop() {
+        zxingview.stopCamera() // 关闭摄像头预览，并且隐藏扫描框
+        super.onStop()
+    }
+
+    override fun onDestroy() {
+        zxingview.onDestroy() // 销毁二维码扫描控件
+        super.onDestroy()
+    }
+
+    override fun onScanQRCodeSuccess(result: String) {
+        val intent = Intent()
+        intent.putExtra("result", result)
+        setResult(RESULT_OK, intent)
+        finish()
+    }
+
+    override fun onCameraAmbientBrightnessChanged(isDark: Boolean) {
+
+    }
+
+    override fun onScanQRCodeOpenCameraError() {
+
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        data?.let {
+            zxingview.startSpotAndShowRect() // 显示扫描框，并开始识别
+
+            if (resultCode == Activity.RESULT_OK && requestCode == requestQrImage) {
+                val picturePath = FileUtils.getPath(this, it.data)
+                // 本来就用到 QRCodeView 时可直接调 QRCodeView 的方法，走通用的回调
+                zxingview.decodeQRCode(picturePath)
+            }
+        }
+    }
+
+}

app/src/main/java/io/legado/app/utils/FileUtils.kt

@@ -1,5 +1,235 @@
 package io.legado.app.utils
 
+import android.annotation.TargetApi
+import android.content.ContentUris
+import android.content.Context
+import android.net.Uri
+import android.os.Build
 import android.os.Environment
+import android.os.storage.StorageManager
+import android.provider.DocumentsContract
+import android.provider.MediaStore
+import android.util.Log
+import androidx.core.content.ContextCompat
+import java.io.File
+import java.io.IOException
+import java.lang.reflect.Array
+import java.util.*
 
+
+object FileUtils {
     fun getSdPath() = Environment.getExternalStorageDirectory().absolutePath
+
+    fun getFileByPath(filePath: String): File? {
+        return if (isSpace(filePath)) null else File(filePath)
+    }
+
+    fun isSpace(s: String?): Boolean {
+        if (s == null) return true
+        var i = 0
+        val len = s.length
+        while (i < len) {
+            if (!Character.isWhitespace(s[i])) {
+                return false
+            }
+            ++i
+        }
+        return true
+    }
+
+    fun getSdCardPath(): String {
+        var sdCardDirectory = Environment.getExternalStorageDirectory().absolutePath
+
+        try {
+            sdCardDirectory = File(sdCardDirectory).canonicalPath
+        } catch (ioe: IOException) {
+        }
+
+        return sdCardDirectory
+    }
+
+    fun getStorageData(pContext: Context): ArrayList<String>? {
+
+        val storageManager = pContext.getSystemService(Context.STORAGE_SERVICE) as StorageManager
+
+        try {
+            val getVolumeList = storageManager.javaClass.getMethod("getVolumeList")
+
+            val storageValumeClazz = Class.forName("android.os.storage.StorageVolume")
+            val getPath = storageValumeClazz.getMethod("getPath")
+
+            val invokeVolumeList = getVolumeList.invoke(storageManager)
+            val length = Array.getLength(invokeVolumeList)
+
+            val list = ArrayList<String>()
+            for (i in 0 until length) {
+                val storageValume = Array.get(invokeVolumeList, i)//得到StorageVolume对象
+                val path = getPath.invoke(storageValume) as String
+
+                list.add(path)
+            }
+            return list
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+        return null
+    }
+
+
+    fun getExtSdCardPaths(con: Context): ArrayList<String> {
+        val paths = ArrayList<String>()
+        val files = ContextCompat.getExternalFilesDirs(con, "external")
+        val firstFile = files[0]
+        for (file in files) {
+            if (file != null && file != firstFile) {
+                val index = file.absolutePath.lastIndexOf("/Android/data")
+                if (index < 0) {
+                    Log.w("", "Unexpected external file dir: " + file.absolutePath)
+                } else {
+                    var path = file.absolutePath.substring(0, index)
+                    try {
+                        path = File(path).canonicalPath
+                    } catch (e: IOException) {
+                        // Keep non-canonical path.
+                    }
+
+                    paths.add(path)
+                }
+            }
+        }
+        return paths
+    }
+
+    @TargetApi(Build.VERSION_CODES.KITKAT)
+    fun getPath(context: Context, uri: Uri): String? {
+        val isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
+
+        // DocumentProvider
+        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
+            // ExternalStorageProvider
+            if (isExternalStorageDocument(uri)) {
+                val docId = DocumentsContract.getDocumentId(uri)
+                val split = docId.split(":".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                val type = split[0]
+
+                if ("primary".equals(type, ignoreCase = true)) {
+                    return Environment.getExternalStorageDirectory().toString() + "/" + split[1]
+                }
+
+            } else if (isDownloadsDocument(uri)) {
+                val id = DocumentsContract.getDocumentId(uri)
+                val split = id.split(":".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                val type = split[0]
+                if ("raw".equals(
+                        type,
+                        ignoreCase = true
+                    )
+                ) { //处理某些机型（比如Goole Pixel ）ID是raw:/storage/emulated/0/Download/c20f8664da05ab6b4644913048ea8c83.mp4
+                    return split[1]
+                }
+
+                val contentUri = ContentUris.withAppendedId(
+                    Uri.parse("content://downloads/public_downloads"), java.lang.Long.valueOf(id)
+                )
+
+                return getDataColumn(context, contentUri, null, null)
+            } else if (isMediaDocument(uri)) {
+                val docId = DocumentsContract.getDocumentId(uri)
+                val split = docId.split(":".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+                val type = split[0]
+
+                var contentUri: Uri? = null
+                if ("image" == type) {
+                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+                } else if ("video" == type) {
+                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
+                } else if ("audio" == type) {
+                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI
+                }
+
+                val selection = "_id=?"
+                val selectionArgs = arrayOf(split[1])
+
+                return getDataColumn(context, contentUri, selection, selectionArgs)
+            }// MediaProvider
+            // DownloadsProvider
+        } else if ("content".equals(uri.scheme!!, ignoreCase = true)) {
+
+            // Return the remote address
+            return if (isGooglePhotosUri(uri)) uri.lastPathSegment else getDataColumn(
+                context,
+                uri,
+                null,
+                null
+            )
+
+        } else if ("file".equals(uri.scheme!!, ignoreCase = true)) {
+            return uri.path
+        }// File
+        // MediaStore (and general)
+
+        return null
+    }
+
+    fun getDataColumn(
+        context: Context, uri: Uri?, selection: String?,
+        selectionArgs: kotlin.Array<String>?
+    ): String? {
+
+        val column = "_data"
+        val projection = arrayOf(column)
+
+        try {
+            context.contentResolver.query(
+                uri!!,
+                projection,
+                selection,
+                selectionArgs,
+                null
+            )!!.use { cursor ->
+                if (cursor != null && cursor.moveToFirst()) {
+                    val index = cursor.getColumnIndexOrThrow(column)
+                    return cursor.getString(index)
+                }
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+        return null
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is ExternalStorageProvider.
+     */
+    fun isExternalStorageDocument(uri: Uri): Boolean {
+        return "com.android.externalstorage.documents" == uri.authority
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is DownloadsProvider.
+     */
+    fun isDownloadsDocument(uri: Uri): Boolean {
+        return "com.android.providers.downloads.documents" == uri.authority
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is MediaProvider.
+     */
+    fun isMediaDocument(uri: Uri): Boolean {
+        return "com.android.providers.media.documents" == uri.authority
+    }
+
+    /**
+     * @param uri The Uri to check.
+     * @return Whether the Uri authority is Google Photos.
+     */
+    fun isGooglePhotosUri(uri: Uri): Boolean {
+        return "com.google.android.apps.photos.content" == uri.authority
+    }
+
+}

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

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">
+
+    <cn.bingoogolapple.qrcode.zxing.ZXingView
+        android:id="@+id/zxingview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:qrcv_animTime="1000"
+        app:qrcv_barCodeTipText="将条码放入框内，即可自动扫描"
+        app:qrcv_barcodeRectHeight="120dp"
+        app:qrcv_borderColor="@android:color/white"
+        app:qrcv_borderSize="1dp"
+        app:qrcv_cornerColor="@color/colorPrimaryDark"
+        app:qrcv_cornerDisplayType="center"
+        app:qrcv_cornerLength="20dp"
+        app:qrcv_cornerSize="3dp"
+        app:qrcv_isAutoZoom="true"
+        app:qrcv_isBarcode="false"
+        app:qrcv_isOnlyDecodeScanBoxArea="false"
+        app:qrcv_isScanLineReverse="true"
+        app:qrcv_isShowDefaultGridScanLineDrawable="false"
+        app:qrcv_isShowDefaultScanLineDrawable="true"
+        app:qrcv_isShowLocationPoint="true"
+        app:qrcv_isShowTipBackground="true"
+        app:qrcv_isShowTipTextAsSingleLine="false"
+        app:qrcv_isTipTextBelowRect="false"
+        app:qrcv_maskColor="#33FFFFFF"
+        app:qrcv_qrCodeTipText="将二维码放入框内，即可自动扫描"
+        app:qrcv_rectWidth="300dp"
+        app:qrcv_scanLineColor="@color/colorPrimaryDark"
+        app:qrcv_scanLineMargin="0dp"
+        app:qrcv_scanLineSize="0.5dp"
+        app:qrcv_tipTextColor="@android:color/white"
+        app:qrcv_tipTextSize="12sp"
+        app:qrcv_toolbarHeight="?attr/actionBarSize"
+        app:qrcv_topOffset="65dp"
+        app:qrcv_verticalBias="-1" />
+
+
+    <io.legado.app.ui.widget.TitleBar
+        android:id="@+id/title_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:title="@string/scan_qr_code" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentBottom="true"
+        android:padding="16dp">
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/fab_flashlight"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:contentDescription="@string/read_aloud"
+            android:src="@drawable/ic_daytime"
+            android:tint="@color/tv_text_default"
+            app:backgroundTint="@color/background_menu"
+            app:elevation="2dp"
+            app:fabSize="mini"
+            app:pressedTranslationZ="2dp" />
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+    </LinearLayout>
+</RelativeLayout>

app/src/main/res/menu/qr_code_scan.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_choose_from_gallery"
+        android:title="@string/gallery"
+        app:showAsAction="always" />
+
+</menu>