feat: 优化代码

app/src/main/java/io/legado/app/receiver/MediaButtonReceiver.kt

@@ -8,9 +8,14 @@ import io.legado.app.App
 import io.legado.app.constant.EventBus
 import io.legado.app.data.entities.Book
 import io.legado.app.help.ActivityHelp
+import io.legado.app.service.AudioPlayService
+import io.legado.app.service.BaseReadAloudService
+import io.legado.app.service.help.AudioPlay
+import io.legado.app.service.help.ReadAloud
 import io.legado.app.ui.audio.AudioPlayActivity
 import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.main.MainActivity
+import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.postEvent
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
@@ -50,11 +55,23 @@ class MediaButtonReceiver : BroadcastReceiver() {
 
         private fun readAloud(context: Context) {
             when {
+                BaseReadAloudService.isRun -> if (BaseReadAloudService.isPlay()) {
+                    ReadAloud.pause(context)
+                    AudioPlay.pause(context)
+                } else {
+                    ReadAloud.resume(context)
+                    AudioPlay.resume(context)
+                }
+                AudioPlayService.isRun -> if (AudioPlayService.pause) {
+                    AudioPlay.resume(context)
+                } else {
+                    AudioPlay.pause(context)
+                }
                 ActivityHelp.isExist(AudioPlayActivity::class.java) ->
                     postEvent(EventBus.MEDIA_BUTTON, true)
                 ActivityHelp.isExist(ReadBookActivity::class.java) ->
                     postEvent(EventBus.MEDIA_BUTTON, true)
-                else -> {
+                else -> if (context.getPrefBoolean("mediaButtonOnExit", true)) {
                     GlobalScope.launch(Main) {
                         val lastBook: Book? = withContext(IO) {
                             App.db.bookDao().lastReadBook

app/src/main/res/values/strings.xml

@@ -648,4 +648,6 @@
     <string name="alouding_disable">全文朗读中不能朗读选中文字</string>
     <string name="read_body_to_lh">扩展到刘海</string>
     <string name="toc_updateing">更新目录中</string>
+    <string name="media_button_on_exit_title">全程响应耳机按键</string>
+    <string name="media_button_on_exit_summary">即使退出软件也响应耳机按键</string>
 </resources>

app/src/main/res/xml/pref_config_other.xml

@@ -45,6 +45,13 @@
             android:title="@string/threads_num_title"
             app:iconSpaceReserved="false" />
 
+        <io.legado.app.ui.widget.prefs.SwitchPreference
+            android:defaultValue="true"
+            android:key="mediaButtonOnExit"
+            android:title="@string/media_button_on_exit_title"
+            android:summary="@string/media_button_on_exit_summary"
+            app:iconSpaceReserved="false" />
+
         <io.legado.app.ui.widget.prefs.Preference
             android:key="webPort"
             android:title="@string/web_port_title"