优化

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

@@ -161,8 +161,10 @@ class AudioPlayService : BaseService(),
 
     private fun resume() {
         pause = false
-        mediaPlayer.start()
+        if (!mediaPlayer.isPlaying) {
-        mediaPlayer.seekTo(position)
+            mediaPlayer.start()
+            mediaPlayer.seekTo(position)
+        }
         handler.removeCallbacks(mpRunnable)
         handler.postDelayed(mpRunnable, 1000)
         upMediaSessionPlaybackState(PlaybackStateCompat.STATE_PLAYING)
@@ -337,7 +339,7 @@ class AudioPlayService : BaseService(),
             AudioPlay.durChapterIndex--
             AudioPlay.durPageIndex = 0
             AudioPlay.book?.durChapterIndex = AudioPlay.durChapterIndex
-            saveRead()
+            AudioPlay.saveRead()
             position = 0
             loadContent(AudioPlay.durChapterIndex)
         }
@@ -349,7 +351,7 @@ class AudioPlayService : BaseService(),
             AudioPlay.durChapterIndex++
             AudioPlay.durPageIndex = 0
             AudioPlay.book?.durChapterIndex = AudioPlay.durChapterIndex
-            saveRead()
+            AudioPlay.saveRead()
             position = 0
             loadContent(AudioPlay.durChapterIndex)
         } else {
@@ -357,19 +359,6 @@ class AudioPlayService : BaseService(),
         }
     }
 
-    private fun saveRead() {
-        launch(IO) {
-            AudioPlay.book?.let { book ->
-                book.lastCheckCount = 0
-                book.durChapterTime = System.currentTimeMillis()
-                book.durChapterIndex = AudioPlay.durChapterIndex
-                book.durChapterPos = AudioPlay.durPageIndex
-                book.durChapterTitle = subtitle
-                App.db.bookDao().update(book)
-            }
-        }
-    }
-
     private fun saveProgress() {
         launch(IO) {
             AudioPlay.book?.let {

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

@@ -3,9 +3,11 @@ package io.legado.app.service.help
 import android.content.Context
 import android.content.Intent
 import androidx.lifecycle.MutableLiveData
+import io.legado.app.App
 import io.legado.app.constant.IntentAction
 import io.legado.app.constant.Status
 import io.legado.app.data.entities.Book
+import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.AudioPlayService
 
@@ -73,6 +75,18 @@ object AudioPlay {
         }
     }
 
+    fun skipTo(context: Context, chapterIndex: Int) {
+        val isPlay = !AudioPlayService.pause
+        pause(context)
+        status = Status.STOP
+        durChapterIndex = chapterIndex
+        durPageIndex = 0
+        book?.durChapterIndex = durChapterIndex
+        if (isPlay) {
+            play(context)
+        }
+    }
+
     fun prev(context: Context) {
         if (AudioPlayService.isRun) {
             val intent = Intent(context, AudioPlayService::class.java)
@@ -89,4 +103,19 @@ object AudioPlay {
         }
     }
 
+    fun saveRead() {
+        Coroutine.async {
+            book?.let { book ->
+                book.lastCheckCount = 0
+                book.durChapterTime = System.currentTimeMillis()
+                book.durChapterIndex = AudioPlay.durChapterIndex
+                book.durChapterPos = AudioPlay.durPageIndex
+                App.db.bookChapterDao().getChapter(book.bookUrl, book.durChapterIndex)?.let {
+                    book.durChapterTitle = it.title
+                }
+                App.db.bookDao().update(book)
+            }
+        }
+    }
+
 }

app/src/main/java/io/legado/app/ui/audio/AudioPlayActivity.kt

@@ -20,7 +20,6 @@ import io.legado.app.data.entities.Book
 import io.legado.app.help.BlurTransformation
 import io.legado.app.help.ImageLoader
 import io.legado.app.lib.dialogs.alert
-import io.legado.app.service.AudioPlayService
 import io.legado.app.service.help.AudioPlay
 import io.legado.app.ui.book.changesource.ChangeSourceDialog
 import io.legado.app.ui.book.toc.ChapterListActivity
@@ -175,16 +174,7 @@ class AudioPlayActivity :
             when (requestCode) {
                 requestCodeChapter -> data?.getIntExtra("index", AudioPlay.durChapterIndex)?.let {
                     if (it != AudioPlay.durChapterIndex) {
-                        val isPlay = !AudioPlayService.pause
+                        AudioPlay.skipTo(this, it)
-                        AudioPlay.pause(this)
-                        AudioPlay.status = Status.STOP
-                        AudioPlay.durChapterIndex = it
-                        AudioPlay.durPageIndex = 0
-                        AudioPlay.book?.durChapterIndex = AudioPlay.durChapterIndex
-                        viewModel.saveRead()
-                        if (isPlay) {
-                            AudioPlay.play(this)
-                        }
                     }
                 }
             }

app/src/main/java/io/legado/app/ui/audio/AudioPlayViewModel.kt

@@ -47,7 +47,7 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
                         AudioPlay.chapterSize = count
                     }
                 }
-                saveRead()
+                AudioPlay.saveRead()
             }
         }
     }
@@ -128,21 +128,6 @@ class AudioPlayViewModel(application: Application) : BaseViewModel(application)
         }
     }
 
-    fun saveRead() {
-        execute {
-            AudioPlay.book?.let { book ->
-                book.lastCheckCount = 0
-                book.durChapterTime = System.currentTimeMillis()
-                book.durChapterIndex = AudioPlay.durChapterIndex
-                book.durChapterPos = AudioPlay.durPageIndex
-                App.db.bookChapterDao().getChapter(book.bookUrl, book.durChapterIndex)?.let {
-                    book.durChapterTitle = it.title
-                }
-                App.db.bookDao().update(book)
-            }
-        }
-    }
-
     fun removeFromBookshelf(success: (() -> Unit)?) {
         execute {
             AudioPlay.book?.let {