修复bug, 添加订阅下载完自动安装

app/src/main/AndroidManifest.xml

@@ -18,6 +18,7 @@
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
+    <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
 
     <application
         android:name=".App"

app/src/main/java/io/legado/app/help/IntentHelp.kt

@@ -3,6 +3,7 @@ package io.legado.app.help
 import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
+import android.os.Bundle
 import io.legado.app.R
 import org.jetbrains.anko.toast
 
@@ -32,21 +33,29 @@ object IntentHelp {
         }
     }
 
-    inline fun <reified T> servicePendingIntent(context: Context, action: String): PendingIntent? {
+    inline fun <reified T> servicePendingIntent(
-        return PendingIntent.getService(
+        context: Context,
-            context,
+        action: String,
-            0,
+        bundle: Bundle? = null
-            Intent(context, T::class.java).apply { this.action = action },
+    ): PendingIntent? {
-            PendingIntent.FLAG_UPDATE_CURRENT
+        val intent = Intent(context, T::class.java)
-        )
+        intent.action = action
+        bundle?.let {
+            intent.putExtras(bundle)
+        }
+        return PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
     }
 
-    inline fun <reified T> activityPendingIntent(context: Context, action: String): PendingIntent? {
+    inline fun <reified T> activityPendingIntent(
-        return PendingIntent.getActivity(
+        context: Context,
-            context,
+        action: String,
-            0,
+        bundle: Bundle? = null
-            Intent(context, T::class.java).apply { this.action = action },
+    ): PendingIntent? {
-            PendingIntent.FLAG_UPDATE_CURRENT
+        val intent = Intent(context, T::class.java)
-        )
+        intent.action = action
+        bundle?.let {
+            intent.putExtras(bundle)
+        }
+        return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
     }
 }

app/src/main/java/io/legado/app/service/DownloadService.kt

@@ -1,46 +1,172 @@
 package io.legado.app.service
 
+import android.app.DownloadManager
+import android.content.BroadcastReceiver
+import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
+import android.os.Handler
 import androidx.core.app.NotificationCompat
+import androidx.core.os.bundleOf
 import io.legado.app.R
 import io.legado.app.base.BaseService
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.IntentAction
 import io.legado.app.help.IntentHelp
+import org.jetbrains.anko.downloadManager
+import org.jetbrains.anko.notificationManager
+
 
 class DownloadService : BaseService() {
 
-    private val notificationBuilder by lazy {
+    private val downloads = hashMapOf<Long, String>()
-        val builder = NotificationCompat.Builder(this, AppConst.channelIdDownload)
+    private val completeDownloads = hashSetOf<Long>()
-            .setSmallIcon(R.drawable.ic_download)
+    private val handler = Handler()
-            .setOngoing(true)
+    private val runnable = Runnable {
-            .setContentTitle(getString(R.string.action_download))
+        checkDownloadState()
-        builder.addAction(
+    }
-            R.drawable.ic_stop_black_24dp,
+
-            getString(R.string.cancel),
+    private val downloadReceiver = object : BroadcastReceiver() {
-            IntentHelp.servicePendingIntent<DownloadService>(this, IntentAction.stop)
+        override fun onReceive(context: Context, intent: Intent) {
-        )
+            queryState()
-        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+        }
     }
 
     override fun onCreate() {
         super.onCreate()
-        updateNotification("准备下载")
+        registerReceiver(downloadReceiver, IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE))
+    }
+
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
+        stopSelf()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        unregisterReceiver(downloadReceiver)
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         when (intent?.action) {
-
+            IntentAction.start -> startDownload(
+                intent.getLongExtra("downloadId", 0),
+                intent.getStringExtra("fileName") ?: "未知文件"
+            )
+            IntentAction.play -> {
+                val id = intent.getLongExtra("downloadId", 0)
+                if (downloads[id]?.endsWith(".apk") == true) {
+                    installApk(id)
+                }
+            }
+            IntentAction.stop -> {
+                val downloadId = intent.getLongExtra("downloadId", 0)
+                if (downloadId > 0) {
+                    downloadManager.remove(downloadId)
+                    notificationManager.cancel(downloadId.toInt())
+                } else {
+                    stopSelf()
+                }
+            }
         }
         return super.onStartCommand(intent, flags, startId)
     }
 
+    private fun startDownload(downloadId: Long, fileName: String) {
+        if (downloadId > 0) {
+            downloads[downloadId] = fileName
+            queryState()
+            checkDownloadState()
+        }
+    }
+
+    private fun checkDownloadState() {
+        handler.removeCallbacks(runnable)
+        queryState()
+        handler.postDelayed(runnable, 1000)
+    }
+
+    //查询下载进度
+    private fun queryState() {
+        val ids = downloads.keys
+        val query = DownloadManager.Query()
+        query.setFilterById(*ids.toLongArray())
+        val cursor = downloadManager.query(query)
+        if (!cursor.moveToFirst()) return
+        val id = cursor.getLong(cursor.getColumnIndex(DownloadManager.COLUMN_ID))
+        val progress: Int =
+            cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR))
+        val max: Int =
+            cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES))
+        val status = when (cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS))) {
+            DownloadManager.STATUS_PAUSED -> "暂停"
+            DownloadManager.STATUS_PENDING -> "待下载"
+            DownloadManager.STATUS_RUNNING -> "下载中"
+            DownloadManager.STATUS_SUCCESSFUL -> {
+                if (!completeDownloads.contains(id)) {
+                    completeDownloads.add(id)
+                    if (downloads[id]?.endsWith(".apk") == true) {
+                        installApk(id)
+                    }
+                }
+                "下载完成"
+            }
+            DownloadManager.STATUS_FAILED -> "下载失败"
+            else -> "未知状态"
+        }
+        updateNotification(id, "${downloads[id]} $status", max, progress)
+        if (!cursor.isClosed) {
+            cursor.close()
+        }
+    }
+
+    private fun installApk(downloadId: Long) {
+        val downloadFileUri = downloadManager.getUriForDownloadedFile(downloadId)
+        downloadFileUri?.let {
+            val install = Intent(Intent.ACTION_VIEW)
+            install.setDataAndType(downloadFileUri, "application/vnd.android.package-archive")
+            install.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            startActivity(install)
+        }
+    }
+
     /**
      * 更新通知
      */
-    private fun updateNotification(content: String) {
+    private fun updateNotification(downloadId: Long, content: String, max: Int, progress: Int) {
+        val notificationBuilder = NotificationCompat.Builder(this, AppConst.channelIdDownload)
+            .setSmallIcon(R.drawable.ic_download)
+            .setOngoing(true)
+            .setContentTitle(getString(R.string.action_download))
+        notificationBuilder.setContentIntent(
+            IntentHelp.servicePendingIntent<DownloadService>(
+                this,
+                IntentAction.play,
+                bundleOf("downloadId" to downloadId)
+            )
+        )
+        notificationBuilder.addAction(
+            R.drawable.ic_stop_black_24dp,
+            getString(R.string.cancel),
+            IntentHelp.servicePendingIntent<DownloadService>(
+                this,
+                IntentAction.stop,
+                bundleOf("downloadId" to downloadId)
+            )
+        )
+        notificationBuilder.setDeleteIntent(
+            IntentHelp.servicePendingIntent<DownloadService>(
+                this,
+                IntentAction.stop,
+                bundleOf("downloadId" to downloadId)
+            )
+        )
+        notificationBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
         notificationBuilder.setContentText(content)
+        notificationBuilder.setProgress(max, progress, false)
+        notificationBuilder.setAutoCancel(true)
         val notification = notificationBuilder.build()
-        startForeground(AppConst.notificationIdDownload, notification)
+        startForeground(downloadId.toInt(), notification)
     }
+
 }

app/src/main/java/io/legado/app/service/help/Download.kt

@@ -0,0 +1,26 @@
+package io.legado.app.service.help
+
+import android.content.Context
+import android.content.Intent
+import io.legado.app.constant.IntentAction
+import io.legado.app.service.DownloadService
+
+object Download {
+
+    fun start(context: Context, downloadId: Long, fileName: String) {
+        Intent(context, DownloadService::class.java).let {
+            it.action = IntentAction.start
+            it.putExtra("downloadId", downloadId)
+            it.putExtra("fileName", fileName)
+            context.startService(it)
+        }
+    }
+
+    fun stop(context: Context) {
+        Intent(context, DownloadService::class.java).let {
+            it.action = IntentAction.stop
+            context.startService(it)
+        }
+    }
+
+}

app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt

@@ -324,7 +324,9 @@ class BgTextConfigDialog : BaseDialogFragment(), FileChooserDialog.CallBack {
                 val fontName = FileUtils.getName(config.textFont)
                 val fontPath =
                     FileUtils.getPath(requireContext().externalFilesDir, "font", fontName)
+                if (!FileUtils.exist(fontPath)) {
                     FileUtils.getFile(configDir, fontName).copyTo(File(fontPath))
+                }
                 config.textFont = fontPath
             }
             if (config.bgType() == 2) {

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -15,12 +15,14 @@ import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.lib.theme.DrawableUtils
 import io.legado.app.lib.theme.primaryTextColor
+import io.legado.app.service.help.Download
 import io.legado.app.ui.filechooser.FileChooserDialog
 import io.legado.app.ui.filechooser.FilePicker
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.activity_rss_read.*
 import kotlinx.coroutines.launch
 import org.apache.commons.text.StringEscapeUtils
+import org.jetbrains.anko.downloadManager
 import org.jetbrains.anko.share
 import org.jsoup.Jsoup
 
@@ -160,13 +162,12 @@ class ReadRssActivity : VMBaseActivity<ReadRssViewModel>(R.layout.activity_rss_r
                 request.setAllowedOverRoaming(true)
                 // 允许下载的网路类型
                 request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI)
-                request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE)
+                request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN)
                 // 设置下载文件保存的路径和文件名
                 request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName)
-                val downloadManager = getSystemService(DOWNLOAD_SERVICE) as DownloadManager
                 // 添加一个下载任务
                 val downloadId = downloadManager.enqueue(request)
-                print(downloadId)
+                Download.start(this, downloadId, fileName)
             }
         }
     }