up

app/src/main/java/io/legado/app/constant/Status.kt

@@ -4,5 +4,5 @@ object Status {
     const val STOP = 0
     const val PLAY = 1
     const val NEXT = 2
-
+    const val PAUSE = 3
 }

app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt

@@ -10,7 +10,10 @@ import androidx.core.view.isVisible
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
+import io.legado.app.constant.Bus
+import io.legado.app.constant.Status
 import io.legado.app.data.entities.Book
+import io.legado.app.service.ReadAloudService
 import io.legado.app.ui.changesource.ChangeSourceDialog
 import io.legado.app.ui.chapterlist.ChapterListActivity
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
@@ -30,6 +33,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     private lateinit var menuTopOut: Animation
     private lateinit var menuBottomIn: Animation
     private lateinit var menuBottomOut: Animation
+    private var readAloudStatus = Status.STOP
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         setSupportActionBar(toolbar)
@@ -92,8 +96,8 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
 
             }
 
-            override fun onMediaButton() {
-
+            override fun clickReadAloud() {
+                onClickReadAloud()
             }
 
             override fun autoPage() {
@@ -204,4 +208,22 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     override fun changeTo(book: Book) {
 
     }
+
+    private fun onClickReadAloud() {
+        if (!ReadAloudService.isRun) {
+            readAloudStatus = Status.STOP
+            SystemUtils.ignoreBatteryOptimization(this)
+        }
+        when (readAloudStatus) {
+            Status.STOP -> {
+            }
+            Status.PLAY -> ReadAloudService.pause(this)
+            Status.PAUSE -> ReadAloudService.resume(this)
+        }
+    }
+
+    override fun observeLiveBus() {
+        super.observeLiveBus()
+        observeEvent<Int>(Bus.ALOUD_STATE) { readAloudStatus = it }
+    }
 }

app/src/main/java/io/legado/app/ui/readbook/ReadBottomMenu.kt

@@ -69,7 +69,7 @@ class ReadBottomMenu : FrameLayout {
         fab_read_aloud_timer.onClick { }
 
         //朗读
-        fab_read_aloud.onClick { callback?.onMediaButton() }
+        fab_read_aloud.onClick { callback?.clickReadAloud() }
         //长按停止朗读
         fab_read_aloud.onLongClick {
             ReadAloudService.stop(context)
@@ -155,7 +155,7 @@ class ReadBottomMenu : FrameLayout {
     interface Callback {
         fun skipToPage(page: Int)
 
-        fun onMediaButton()
+        fun clickReadAloud()
 
         fun autoPage()
 

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

@@ -0,0 +1,45 @@
+package io.legado.app.utils
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Context
+import android.content.Context.POWER_SERVICE
+import android.content.Intent
+import android.net.Uri
+import android.os.PowerManager
+import android.provider.Settings
+
+object SystemUtils {
+
+    fun getScreenOffTime(context: Context): Int {
+        var screenOffTime = 0
+        try {
+            screenOffTime = Settings.System.getInt(
+                context.contentResolver,
+                Settings.System.SCREEN_OFF_TIMEOUT
+            )
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+        return screenOffTime
+    }
+
+    fun ignoreBatteryOptimization(activity: Activity) {
+        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) return
+
+        val powerManager = activity.getSystemService(POWER_SERVICE) as PowerManager
+        val hasIgnored = powerManager.isIgnoringBatteryOptimizations(activity.packageName)
+        //  判断当前APP是否有加入电池优化的白名单，如果没有，弹出加入电池优化的白名单的设置对话框。
+        if (!hasIgnored) {
+            try {
+                @SuppressLint("BatteryLife")
+                val intent = Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS)
+                intent.data = Uri.parse("package:" + activity.packageName)
+                activity.startActivity(intent)
+            } catch (ignored: Throwable) {
+            }
+
+        }
+    }
+}