up

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

@@ -1,8 +1,13 @@
 package io.legado.app.help
 
 import android.content.Context
+import android.media.AudioAttributes
+import android.media.AudioFocusRequest
+import android.media.AudioManager
 import android.media.MediaPlayer
+import android.os.Build
 import android.support.v4.media.session.PlaybackStateCompat
+import androidx.annotation.RequiresApi
 import io.legado.app.R
 
 object MediaHelp {
@@ -14,6 +19,20 @@ object MediaHelp {
             or PlaybackStateCompat.ACTION_STOP
             or PlaybackStateCompat.ACTION_SEEK_TO)
 
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    fun getFocusRequest(audioFocusChangeListener: AudioManager.OnAudioFocusChangeListener): AudioFocusRequest {
+        val mPlaybackAttributes = AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_MEDIA)
+            .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
+            .build()
+        return AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
+            .setAudioAttributes(mPlaybackAttributes)
+            .setAcceptsDelayedFocusGain(true)
+            .setOnAudioFocusChangeListener(audioFocusChangeListener)
+            .build()
+    }
+
     fun playSilentSound(mContext: Context) {
         try {
             // Stupid Android 8 "Oreo" hack to make media buttons work

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

@@ -3,7 +3,6 @@ package io.legado.app.service
 import android.app.PendingIntent
 import android.content.*
 import android.graphics.BitmapFactory
-import android.media.AudioAttributes
 import android.media.AudioFocusRequest
 import android.media.AudioManager
 import android.os.Build
@@ -80,7 +79,9 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener, AudioManage
         isRun = true
         textToSpeech = TextToSpeech(this, this)
         audioManager = getSystemService(Context.AUDIO_SERVICE) as AudioManager
-        initFocusRequest()
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            mFocusRequest = MediaHelp.getFocusRequest(this)
+        }
         initMediaSession()
         initBroadcastReceiver()
         upMediaSessionPlaybackState()
@@ -151,20 +152,6 @@ class ReadAloudService : BaseService(), TextToSpeech.OnInitListener, AudioManage
         mediaSessionCompat?.setMediaButtonReceiver(mediaButtonReceiverPendingIntent)
     }
 
-    private fun initFocusRequest() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            val mPlaybackAttributes = AudioAttributes.Builder()
-                .setUsage(AudioAttributes.USAGE_MEDIA)
-                .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
-                .build()
-            mFocusRequest = AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
-                .setAudioAttributes(mPlaybackAttributes)
-                .setAcceptsDelayedFocusGain(true)
-                .setOnAudioFocusChangeListener(this)
-                .build()
-        }
-    }
-
     private fun initBroadcastReceiver() {
         broadcastReceiver = object : BroadcastReceiver() {
             override fun onReceive(context: Context, intent: Intent) {