feat: Implement the picked alarm sound to be played

#36

app/src/main/java/org/nsh07/pomodoro/data/TimerRepository.kt

@@ -7,6 +7,8 @@
 
 package org.nsh07.pomodoro.data
 
+import android.net.Uri
+import android.provider.Settings
 import androidx.compose.material3.ColorScheme
 import androidx.compose.material3.lightColorScheme
 
@@ -18,12 +20,17 @@ interface TimerRepository {
     var focusTime: Long
     var shortBreakTime: Long
     var longBreakTime: Long
+
     var sessionLength: Int
+
     var timerFrequency: Float
+
     var alarmEnabled: Boolean
     var vibrateEnabled: Boolean
 
     var colorScheme: ColorScheme
+
+    var alarmSoundUri: Uri?
 }
 
 /**
@@ -38,4 +45,6 @@ class AppTimerRepository : TimerRepository {
     override var alarmEnabled = true
     override var vibrateEnabled = true
     override var colorScheme = lightColorScheme()
+    override var alarmSoundUri: Uri? =
+        Settings.System.DEFAULT_ALARM_ALERT_URI ?: Settings.System.DEFAULT_RINGTONE_URI
 }

app/src/main/java/org/nsh07/pomodoro/service/TimerService.kt

@@ -10,7 +10,6 @@ import android.os.SystemClock
 import android.os.VibrationEffect
 import android.os.Vibrator
 import android.os.VibratorManager
-import android.provider.Settings
 import androidx.compose.ui.graphics.toArgb
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
@@ -57,11 +56,7 @@ class TimerService : Service() {
     private val scope = CoroutineScope(Dispatchers.IO + job)
     private val skipScope = CoroutineScope(Dispatchers.IO + job)
 
-    private val alarm by lazy {
-        MediaPlayer.create(
-            this, Settings.System.DEFAULT_ALARM_ALERT_URI ?: Settings.System.DEFAULT_RINGTONE_URI
-        )
-    }
+    private var alarm: MediaPlayer? = null
 
     private val vibrator by lazy {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
@@ -78,6 +73,11 @@ class TimerService : Service() {
         return null
     }
 
+    override fun onCreate() {
+        super.onCreate()
+        alarm = MediaPlayer.create(this, timerRepository.alarmSoundUri)
+    }
+
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         when (intent?.action) {
             Actions.TOGGLE.toString() -> {
@@ -94,6 +94,8 @@ class TimerService : Service() {
             Actions.SKIP.toString() -> skipTimer(true)
 
             Actions.STOP_ALARM.toString() -> stopAlarm()
+
+            Actions.UPDATE_ALARM_TONE.toString() -> updateAlarmTone()
         }
         return super.onStartCommand(intent, flags, startId)
     }
@@ -315,7 +317,7 @@ class TimerService : Service() {
     }
 
     fun startAlarm() {
-        if (timerRepository.alarmEnabled) alarm.start()
+        if (timerRepository.alarmEnabled) alarm?.start()
 
         if (timerRepository.vibrateEnabled) {
             if (!vibrator.hasVibrator()) {
@@ -330,8 +332,8 @@ class TimerService : Service() {
 
     fun stopAlarm() {
         if (timerRepository.alarmEnabled) {
-            alarm.pause()
-            alarm.seekTo(0)
+            alarm?.pause()
+            alarm?.seekTo(0)
         }
 
         if (timerRepository.vibrateEnabled) {
@@ -351,6 +353,11 @@ class TimerService : Service() {
         )
     }
 
+    fun updateAlarmTone() {
+        alarm?.release()
+        alarm = MediaPlayer.create(this, timerRepository.alarmSoundUri)
+    }
+
     suspend fun saveTimeToDb() {
         when (timerState.value.timerMode) {
             TimerMode.FOCUS -> statRepository.addFocusTime(
@@ -379,10 +386,11 @@ class TimerService : Service() {
             job.cancel()
             saveTimeToDb()
             notificationManager.cancel(1)
+            alarm?.release()
         }
     }
 
     enum class Actions {
-        TOGGLE, SKIP, RESET, STOP_ALARM
+        TOGGLE, SKIP, RESET, STOP_ALARM, UPDATE_ALARM_TONE
     }
 }

app/src/main/java/org/nsh07/pomodoro/ui/settingsScreen/SettingsScreen.kt

@@ -74,6 +74,7 @@ import androidx.compose.ui.unit.sp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import org.nsh07.pomodoro.R
+import org.nsh07.pomodoro.service.TimerService
 import org.nsh07.pomodoro.ui.settingsScreen.viewModel.SettingsViewModel
 import org.nsh07.pomodoro.ui.theme.AppFonts.robotoFlexTopBar
 import org.nsh07.pomodoro.ui.theme.CustomColors.listItemColors
@@ -89,6 +90,7 @@ fun SettingsScreenRoot(
     modifier: Modifier = Modifier,
     viewModel: SettingsViewModel = viewModel(factory = SettingsViewModel.Factory)
 ) {
+    val context = LocalContext.current
     val focusTimeInputFieldState = rememberSaveable(saver = TextFieldState.Saver) {
         viewModel.focusTimeTextFieldState
     }
@@ -99,8 +101,9 @@ fun SettingsScreenRoot(
         viewModel.longBreakTimeTextFieldState
     }
 
-    val alarmEnabled = viewModel.alarmEnabled.collectAsStateWithLifecycle()
-    val vibrateEnabled = viewModel.vibrateEnabled.collectAsStateWithLifecycle()
+    val alarmEnabled by viewModel.alarmEnabled.collectAsStateWithLifecycle()
+    val vibrateEnabled by viewModel.vibrateEnabled.collectAsStateWithLifecycle()
+    val alarmSound by viewModel.alarmSound.collectAsStateWithLifecycle()
 
     val sessionsSliderState = rememberSaveable(
         saver = SliderState.Saver(
@@ -116,10 +119,18 @@ fun SettingsScreenRoot(
         shortBreakTimeInputFieldState = shortBreakTimeInputFieldState,
         longBreakTimeInputFieldState = longBreakTimeInputFieldState,
         sessionsSliderState = sessionsSliderState,
-        alarmEnabled = alarmEnabled.value,
-        vibrateEnabled = vibrateEnabled.value,
+        alarmEnabled = alarmEnabled,
+        vibrateEnabled = vibrateEnabled,
+        alarmSound = alarmSound,
         onAlarmEnabledChange = viewModel::saveAlarmEnabled,
         onVibrateEnabledChange = viewModel::saveVibrateEnabled,
+        onAlarmSoundChanged = {
+            viewModel.saveAlarmSound(it)
+            Intent(context, TimerService::class.java).apply {
+                action = TimerService.Actions.RESET.toString()
+                context.startService(this)
+            }
+        },
         modifier = modifier
     )
 }
@@ -133,8 +144,10 @@ private fun SettingsScreen(
     sessionsSliderState: SliderState,
     alarmEnabled: Boolean,
     vibrateEnabled: Boolean,
+    alarmSound: Uri?,
     onAlarmEnabledChange: (Boolean) -> Unit,
     onVibrateEnabledChange: (Boolean) -> Unit,
+    onAlarmSoundChanged: (Uri?) -> Unit,
     modifier: Modifier = Modifier
 ) {
     val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
@@ -142,15 +155,13 @@ private fun SettingsScreen(
         checkedIconColor = colorScheme.primary,
     )
 
-    var selectedSoundUri by remember { mutableStateOf<Uri?>(Settings.System.DEFAULT_ALARM_ALERT_URI) }
+    var selectedSoundUri by remember { mutableStateOf(alarmSound) }
     var selectedSoundName by remember { mutableStateOf("...") }
     val context = LocalContext.current
 
-    // 2. The Activity Result Launcher
     val ringtonePickerLauncher = rememberLauncherForActivityResult(
         contract = ActivityResultContracts.StartActivityForResult()
     ) { result ->
-        // This block is executed when the user picks a sound and returns to the app
         if (result.resultCode == Activity.RESULT_OK) {
             val uri =
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
@@ -163,6 +174,7 @@ private fun SettingsScreen(
                     result.data?.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI)
                 }
             selectedSoundUri = uri
+            onAlarmSoundChanged(uri)
         }
     }
 
@@ -424,8 +436,10 @@ fun SettingsScreenPreview() {
             sessionsSliderState = rememberSliderState(value = 3f, steps = 3, valueRange = 1f..5f),
             alarmEnabled = true,
             vibrateEnabled = true,
+            alarmSound = Settings.System.DEFAULT_ALARM_ALERT_URI,
             onAlarmEnabledChange = {},
             onVibrateEnabledChange = {},
+            onAlarmSoundChanged = {},
             modifier = Modifier.fillMaxSize()
         )
     }

app/src/main/java/org/nsh07/pomodoro/ui/settingsScreen/viewModel/SettingsViewModel.kt

@@ -7,6 +7,7 @@
 
 package org.nsh07.pomodoro.ui.settingsScreen.viewModel
 
+import android.net.Uri
 import androidx.compose.foundation.text.input.TextFieldState
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.SliderState
@@ -47,6 +48,9 @@ class SettingsViewModel(
         onValueChangeFinished = ::updateSessionLength
     )
 
+    private val _alarmSound = MutableStateFlow(timerRepository.alarmSoundUri)
+    val alarmSound: StateFlow<Uri?> = _alarmSound.asStateFlow()
+
     private val _alarmEnabled: MutableStateFlow<Boolean> =
         MutableStateFlow(timerRepository.alarmEnabled)
     val alarmEnabled: StateFlow<Boolean> = _alarmEnabled.asStateFlow()
@@ -119,6 +123,11 @@ class SettingsViewModel(
         }
     }
 
+    fun saveAlarmSound(uri: Uri?) {
+        timerRepository.alarmSoundUri = uri
+        _alarmSound.value = uri
+    }
+
     companion object {
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {

app/src/main/java/org/nsh07/pomodoro/ui/timerScreen/viewModel/TimerViewModel.kt

@@ -77,17 +77,20 @@ class TimerViewModel(
                     timerRepository.sessionLength
                 )
 
-            timerRepository.alarmEnabled = (preferenceRepository.getIntPreference("alarm_enabled")
-                ?: preferenceRepository.saveIntPreference(
-                    "alarm_enabled",
-                    1
-                )) == 1
-            timerRepository.vibrateEnabled =
-                (preferenceRepository.getIntPreference("vibrate_enabled")
-                    ?: preferenceRepository.saveIntPreference(
-                        "vibrate_enabled",
-                        1
-                    )) == 1
+            timerRepository.alarmEnabled = (
+                    preferenceRepository.getIntPreference("alarm_enabled")
+                        ?: preferenceRepository.saveIntPreference(
+                            "alarm_enabled",
+                            1
+                        )
+                    ) == 1
+            timerRepository.vibrateEnabled = (
+                    preferenceRepository.getIntPreference("vibrate_enabled")
+                        ?: preferenceRepository.saveIntPreference(
+                            "vibrate_enabled",
+                            1
+                        )
+                    ) == 1
 
             resetTimer()