Add:Android sleep timer setting to play a chime when almost finished #600

android/app/src/main/java/com/audiobookshelf/app/data/DeviceClasses.kt

@@ -135,6 +135,7 @@ data class DeviceSettings(
   var sleepTimerLength: Long, // Time in milliseconds
   var disableSleepTimerFadeOut: Boolean,
   var disableSleepTimerResetFeedback: Boolean,
+  var enableSleepTimerAlmostDoneChime: Boolean,
   var languageCode: String,
   var downloadUsingCellular: DownloadUsingCellularSetting,
   var streamingUsingCellular: StreamingUsingCellularSetting,
@@ -163,6 +164,7 @@ data class DeviceSettings(
         autoSleepTimerAutoRewindTime = 300000L, // 5 minutes
         disableSleepTimerFadeOut = false,
         disableSleepTimerResetFeedback = false,
+        enableSleepTimerAlmostDoneChime = false,
         languageCode = "en-us",
         downloadUsingCellular = DownloadUsingCellularSetting.ALWAYS,
         streamingUsingCellular = StreamingUsingCellularSetting.ALWAYS,
@@ -188,9 +190,9 @@ data class DeviceSettings(
 
   @JsonIgnore
   fun getShakeThresholdGravity() : Float { // Used in ShakeDetector
-    return if (shakeSensitivity == ShakeSensitivitySetting.VERY_HIGH) 1.2f
-    else if (shakeSensitivity == ShakeSensitivitySetting.HIGH) 1.4f
-    else if (shakeSensitivity == ShakeSensitivitySetting.MEDIUM) 1.6f
+    return if (shakeSensitivity == ShakeSensitivitySetting.VERY_HIGH) 1.1f
+    else if (shakeSensitivity == ShakeSensitivitySetting.HIGH) 1.3f
+    else if (shakeSensitivity == ShakeSensitivitySetting.MEDIUM) 1.5f
     else if (shakeSensitivity == ShakeSensitivitySetting.LOW) 2f
     else if (shakeSensitivity == ShakeSensitivitySetting.VERY_LOW) 2.7f
     else {

android/app/src/main/java/com/audiobookshelf/app/device/DeviceManager.kt

@@ -64,6 +64,10 @@ object DeviceManager {
     if (deviceData.deviceSettings?.autoSleepTimerAutoRewindTime == null) {
       deviceData.deviceSettings?.autoSleepTimerAutoRewindTime = 300000L // 5 minutes
     }
+    // Initialize sleep timer almost done chime added in v0.9.81
+    if (deviceData.deviceSettings?.enableSleepTimerAlmostDoneChime == null) {
+      deviceData.deviceSettings?.enableSleepTimerAlmostDoneChime = false
+    }
 
     // Language added in v0.9.69
     if (deviceData.deviceSettings?.languageCode == null) {

android/app/src/main/java/com/audiobookshelf/app/managers/SleepTimerManager.kt

@@ -1,15 +1,20 @@
 package com.audiobookshelf.app.managers
 
 import android.content.Context
+import android.media.MediaPlayer
 import android.os.*
 import android.util.Log
+import com.audiobookshelf.app.R
 import com.audiobookshelf.app.device.DeviceManager
 import com.audiobookshelf.app.player.PlayerNotificationService
 import com.audiobookshelf.app.player.SLEEP_TIMER_WAKE_UP_EXPIRATION
+import com.audiobookshelf.app.plugins.AbsLogger
 import java.util.*
 import kotlin.concurrent.schedule
 import kotlin.math.roundToInt
 
+const val SLEEP_TIMER_CHIME_SOUND_VOLUME = 0.7f
+
 class SleepTimerManager
 constructor(private val playerNotificationService: PlayerNotificationService) {
   private val tag = "SleepTimerManager"
@@ -156,6 +161,10 @@ constructor(private val playerNotificationService: PlayerNotificationService) {
                     )
                   }
 
+                  if (sleepTimeSecondsRemaining == 30 && sleepTimerElapsed > 1 && DeviceManager.deviceData.deviceSettings?.enableSleepTimerAlmostDoneChime == true) {
+                    playChimeSound()
+                  }
+
                   if (sleepTimeSecondsRemaining <= 0) {
                     Log.d(tag, "Sleep Timer Pausing Player on Chapter")
                     pause()
@@ -263,6 +272,19 @@ constructor(private val playerNotificationService: PlayerNotificationService) {
     }
   }
 
+  /** Plays chime sound */
+  private fun playChimeSound() {
+    AbsLogger.info(tag, "playChimeSound: Playing sleep timer chime sound")
+    val ctx = playerNotificationService.getContext()
+    val mediaPlayer = MediaPlayer.create(ctx, R.raw.bell)
+    mediaPlayer.setVolume(SLEEP_TIMER_CHIME_SOUND_VOLUME, SLEEP_TIMER_CHIME_SOUND_VOLUME)
+    mediaPlayer.start()
+    mediaPlayer.setOnCompletionListener {
+      AbsLogger.info(tag, "playChimeSound: Releasing mediaPlayer after chime sound")
+      mediaPlayer.release()
+    }
+  }
+
   /**
    * Gets the chapter end time for use in End of Chapter timers. If less than 10 seconds remain in
    * the chapter, then use the next chapter.

android/app/src/main/java/com/audiobookshelf/app/player/ShakeDetector.kt

@@ -5,6 +5,7 @@ import android.hardware.SensorEvent
 import android.hardware.SensorEventListener
 import android.hardware.SensorManager
 import com.audiobookshelf.app.device.DeviceManager
+import com.audiobookshelf.app.plugins.AbsLogger
 import kotlin.math.sqrt
 
 class ShakeDetector : SensorEventListener {
@@ -46,6 +47,7 @@ class ShakeDetector : SensorEventListener {
         if (mShakeTimestamp + SHAKE_COUNT_RESET_TIME_MS < now) {
           mShakeCount = 0
         }
+        AbsLogger.info("ShakeDetector", "Device shake above threshold ($gForce > $shakeThreshold)")
         mShakeTimestamp = now
         mShakeCount++
         mListener!!.onShake(mShakeCount)