feat: Add basic recording saving functionality

app/build.gradle

@@ -9,6 +9,7 @@ android {
     compileSdk 33
 
     defaultConfig {
+        multiDexEnabled true
         applicationId "app.myzel394.locationtest"
         minSdk 24
         targetSdk 33

app/src/main/java/app/myzel394/locationtest/db/AppSettings.kt

@@ -106,7 +106,7 @@ data class AudioRecorderSettings(
     }
 
     fun setMaxDuration(duration: Long): AudioRecorderSettings {
-        if (duration < 60 * 1000L || duration > 60 * 60 * 1000L) {
+        if (duration < 60 * 1000L || duration > 24 * 60 * 60 * 1000L) {
             throw Exception("Max duration must be between 1 minute and 1 hour")
         }
 

app/src/main/java/app/myzel394/locationtest/services/RecorderService.kt

@@ -3,6 +3,7 @@ package app.myzel394.locationtest.services
 import android.app.Service
 import android.content.Context
 import android.content.Intent
+import android.content.ServiceConnection
 import android.media.MediaRecorder
 import android.os.Binder
 import android.os.Build
@@ -12,21 +13,30 @@ import android.os.Looper
 import android.util.Log
 import androidx.compose.runtime.mutableStateOf
 import androidx.core.app.NotificationCompat
+import androidx.core.content.ContextCompat
 import app.myzel394.locationtest.R
+import app.myzel394.locationtest.dataStore
+import app.myzel394.locationtest.db.AudioRecorderSettings
 import com.arthenica.ffmpegkit.FFmpegKit
 import com.arthenica.ffmpegkit.ReturnCode
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
 import java.io.File
 import java.time.LocalDateTime
 import java.time.ZoneId
+import java.time.format.DateTimeFormatter
 import java.util.Date
 
 import java.util.UUID;
 
-const val INTERVAL_DURATION = 10000L
-
 class RecorderService: Service() {
     private val binder = LocalBinder()
     private val handler = Handler(Looper.getMainLooper())
+    private val job = SupervisorJob()
+    private val scope = CoroutineScope(Dispatchers.IO + job)
 
     private var mediaRecorder: MediaRecorder? = null
     private var onError: MediaRecorder.OnErrorListener? = null
@@ -34,27 +44,30 @@ class RecorderService: Service() {
 
     private var counter = 0
 
+    lateinit var settings: Settings
+
     var recordingStart = mutableStateOf<LocalDateTime?>(null)
         private set
     var fileFolder: String? = null
         private set
-    var bitRate: Int? = null
-        private set
     var recordingState: RecorderState = RecorderState.IDLE
         private set
-
     val isRecording: Boolean
         get() = recordingStart.value != null
 
+    val filePaths = mutableListOf<String>()
+
+    var originalRecordingStart: LocalDateTime? = null
+        private set
+
     override fun onBind(p0: Intent?): IBinder = binder
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         when (intent?.action) {
             Actions.START.toString() -> {
-                val fileFolder = intent.getStringExtra("fileFolder")
+                fileFolder = getRandomFileFolder(this)
-                val bitRate = intent.getIntExtra("bitRate", 320000)
 
-                start(fileFolder, bitRate)
+                start()
             }
             Actions.STOP.toString() -> stop()
         }
@@ -62,6 +75,15 @@ class RecorderService: Service() {
         return super.onStartCommand(intent, flags, startId)
     }
 
+    val progress: Float
+        get() {
+            val start = recordingStart.value ?: return 0f
+            val now = LocalDateTime.now()
+            val duration = now.toEpochSecond(ZoneId.systemDefault().rules.getOffset(now)) - start.toEpochSecond(ZoneId.systemDefault().rules.getOffset(start))
+
+            return duration / (settings.maxDuration / 1000f)
+        }
+
     fun setOnErrorListener(onError: MediaRecorder.OnErrorListener) {
         this.onError = onError
     }
@@ -70,16 +92,14 @@ class RecorderService: Service() {
         this.onStateChange = onStateChange
     }
 
-    // Yield all recordings from 0 to counter
+    fun concatenateFiles(forceConcatenation: Boolean = false): File {
-    fun getRecordingFilePaths() = sequence<String> {
+        val paths = filePaths.joinToString("|")
-        for (i in 0 until counter) {
+        val outputFile = "$fileFolder/${originalRecordingStart!!.format(DateTimeFormatter.ISO_DATE_TIME)}.${settings.fileExtension}"
-            yield("$fileFolder/$i.${getFileExtensions()}")
+
-        }
+        if (File(outputFile).exists() && !forceConcatenation) {
+            return File(outputFile)
         }
 
-    fun concatenateAudios(): String {
-        val paths = getRecordingFilePaths().joinToString("|")
-        val outputFile = "$fileFolder/concatenated.${getFileExtensions()}"
         val command = "-i \"concat:$paths\" -acodec copy $outputFile"
 
         val session = FFmpegKit.execute(command)
@@ -98,7 +118,7 @@ class RecorderService: Service() {
             throw Exception("Failed to concatenate audios")
         }
 
-        return outputFile
+        return File(outputFile)
     }
 
     private fun startNewRecording() {
@@ -106,6 +126,8 @@ class RecorderService: Service() {
             return
         }
 
+        deleteOldRecordings()
+
         val newRecorder = createRecorder();
 
         newRecorder.prepare()
@@ -121,25 +143,62 @@ class RecorderService: Service() {
         mediaRecorder = newRecorder
 
         counter++
-        handler.postDelayed(this::startNewRecording, INTERVAL_DURATION)
     }
 
-    private fun start(fileFolder: String?, bitRate: Int) {
+    private fun deleteOldRecordings() {
-        this.fileFolder = fileFolder ?: getRandomFileFolder(this)
+        val timeMultiplier = settings.maxDuration / settings.intervalDuration
-        this.bitRate = bitRate
+        val earliestCounter = counter - timeMultiplier
 
+        File(fileFolder!!).listFiles()?.forEach { file ->
+            val fileCounter = file.nameWithoutExtension.toIntOrNull() ?: return
+
+            if (fileCounter < earliestCounter) {
+                file.delete()
+            }
+        }
+    }
+
+    private fun createRecorder(): MediaRecorder {
+        filePaths.add(getFilePath())
+
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            MediaRecorder(this)
+        } else {
+            MediaRecorder()
+        }.apply {
+            setAudioSource(MediaRecorder.AudioSource.MIC)
+            setOutputFile(getFilePath())
+            setOutputFormat(settings.outputFormat)
+            setAudioEncoder(settings.encoder)
+            setAudioEncodingBitRate(settings.bitRate)
+            setAudioSamplingRate(settings.samplingRate)
+
+            setOnErrorListener { mr, what, extra ->
+                onError?.onError(mr, what, extra)
+
+                this@RecorderService.stop()
+            }
+        }
+    }
+
+
+    private fun start() {
+        filePaths.clear()
         // Create folder
         File(this.fileFolder!!).mkdirs()
 
-        println(this.fileFolder)
+        scope.launch {
-
+            dataStore.data.collectLatest { preferenceSettings ->
+                settings = Settings.from(preferenceSettings.audioRecorderSettings)
                 recordingState = RecorderState.RECORDING
                 recordingStart.value = LocalDateTime.now()
+                originalRecordingStart = recordingStart.value
 
                 showNotification()
-
                 startNewRecording()
             }
+        }
+    }
 
     private fun stop() {
         recordingState = RecorderState.IDLE
@@ -192,28 +251,7 @@ class RecorderService: Service() {
                 ).toInt()
     }
 
-    private fun createRecorder(): MediaRecorder {
+    private fun getFilePath(): String = "$fileFolder/$counter.${settings.fileExtension}"
-        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-            MediaRecorder(this)
-        } else {
-            MediaRecorder()
-        }.apply {
-            setAudioSource(MediaRecorder.AudioSource.MIC)
-            setOutputFile(getFilePath())
-            setOutputFormat(getOutputFormat())
-            setAudioEncoder(getAudioEncoder())
-            setAudioEncodingBitRate(bitRate!!)
-            setAudioSamplingRate(getAudioSamplingRate())
-
-            setOnErrorListener { mr, what, extra ->
-                onError?.onError(mr, what, extra)
-
-                this@RecorderService.stop()
-            }
-        }
-    }
-
-    private fun getFilePath() = "${fileFolder}/${counter}.${getFileExtensions()}"
 
     inner class LocalBinder: Binder() {
         fun getService(): RecorderService = this@RecorderService
@@ -231,37 +269,67 @@ class RecorderService: Service() {
     }
 
     companion object {
-        fun getOutputFormat(): Int =
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-                MediaRecorder.OutputFormat.AAC_ADTS
-            else
-                MediaRecorder.OutputFormat.THREE_GPP
-
-        fun getFileExtensions(): String =
-            when(getOutputFormat()) {
-                MediaRecorder.OutputFormat.AAC_ADTS -> "aac"
-                MediaRecorder.OutputFormat.THREE_GPP -> "3gp"
-                else -> throw Exception("Unknown output format")
-            }
-
-        fun getAudioSamplingRate(): Int =
-            when(getOutputFormat()) {
-                MediaRecorder.OutputFormat.AAC_ADTS -> 96000
-                MediaRecorder.OutputFormat.THREE_GPP -> 44100
-                else -> throw Exception("Unknown output format")
-            }
-
-        fun getAudioEncoder(): Int =
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-                MediaRecorder.AudioEncoder.AAC
-            else
-                MediaRecorder.AudioEncoder.AMR_NB
-
         fun getRandomFileFolder(context: Context): String {
             // uuid
             val folder = UUID.randomUUID().toString()
 
             return "${context.externalCacheDir!!.absolutePath}/$folder"
         }
+
+        fun startService(context: Context, connection: ServiceConnection?) {
+            Intent(context, RecorderService::class.java).also { intent ->
+                intent.action = RecorderService.Actions.START.toString()
+
+                ContextCompat.startForegroundService(context, intent)
+
+                if (connection != null) {
+                    context.bindService(intent, connection, Context.BIND_AUTO_CREATE)
                 }
             }
+        }
+
+        fun stopService(context: Context) {
+            Intent(context, RecorderService::class.java).also { intent ->
+                intent.action = RecorderService.Actions.STOP.toString()
+
+                context.startService(intent)
+            }
+        }
+    }
+}
+
+data class Settings(
+    val maxDuration: Long,
+    val intervalDuration: Long,
+    val bitRate: Int,
+    val samplingRate: Int,
+    val outputFormat: Int,
+    val encoder: Int,
+) {
+    val fileExtension: String
+        get() = when(outputFormat) {
+            MediaRecorder.OutputFormat.AAC_ADTS -> "aac"
+            MediaRecorder.OutputFormat.THREE_GPP -> "3gp"
+            MediaRecorder.OutputFormat.MPEG_4 -> "mp4"
+            MediaRecorder.OutputFormat.MPEG_2_TS -> "ts"
+            MediaRecorder.OutputFormat.WEBM -> "webm"
+            MediaRecorder.OutputFormat.AMR_NB -> "amr"
+            MediaRecorder.OutputFormat.AMR_WB -> "awb"
+            MediaRecorder.OutputFormat.OGG -> "ogg"
+            else -> "raw"
+        }
+
+    companion object {
+        fun from(audioRecorderSettings: AudioRecorderSettings): Settings {
+            return Settings(
+                intervalDuration = audioRecorderSettings.intervalDuration,
+                bitRate = audioRecorderSettings.bitRate,
+                samplingRate = audioRecorderSettings.getSamplingRate(),
+                outputFormat = audioRecorderSettings.getOutputFormat(),
+                encoder = audioRecorderSettings.getEncoder(),
+                maxDuration = audioRecorderSettings.maxDuration,
+            )
+        }
+    }
+}
+

app/src/main/java/app/myzel394/locationtest/ui/components/AudioRecorder/atoms/RecordingStatus.kt

@@ -0,0 +1,120 @@
+package app.myzel394.locationtest.ui.components.AudioRecorder.atoms
+
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Save
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import app.myzel394.locationtest.services.RecorderService
+import app.myzel394.locationtest.ui.components.atoms.Pulsating
+import app.myzel394.locationtest.ui.utils.formatDuration
+import app.myzel394.locationtest.ui.utils.rememberFileSaverDialog
+import java.time.Duration
+import java.time.LocalDateTime
+
+@Composable
+fun RecordingStatus(
+    service: RecorderService,
+) {
+    val context = LocalContext.current
+
+    val saveFile = rememberFileSaverDialog("audio/*")
+
+    Column(
+        modifier = Modifier.fillMaxSize(),
+        horizontalAlignment = Alignment.CenterHorizontally,
+        verticalArrangement = Arrangement.Center,
+    ) {
+        // Forces real time update for the text
+        val transition = rememberInfiniteTransition()
+        val forceUpdateValue by transition.animateFloat(
+            initialValue = .999999f,
+            targetValue = 1f,
+            animationSpec = infiniteRepeatable(
+                animation = tween(1000),
+                repeatMode = RepeatMode.Reverse
+            )
+        )
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.Center,
+        ) {
+            val distance = Duration.between(service.recordingStart.value, LocalDateTime.now()).toMillis()
+
+            Pulsating {
+                Box(
+                    modifier = Modifier
+                        .size(16.dp)
+                        .clip(CircleShape)
+                        .background(Color.Red)
+                )
+            }
+            Spacer(modifier = Modifier.width(16.dp))
+            Text(
+                text = formatDuration(distance),
+                style = MaterialTheme.typography.headlineLarge,
+                modifier = Modifier.alpha(forceUpdateValue)
+            )
+        }
+        Spacer(modifier = Modifier.height(8.dp))
+        LinearProgressIndicator(
+            progress = service.progress,
+            modifier = Modifier
+                .width(300.dp)
+                .alpha(forceUpdateValue)
+        )
+        Spacer(modifier = Modifier.height(32.dp))
+        Button(
+            onClick = {
+                RecorderService.stopService(context)
+
+                saveFile(service.concatenateFiles())
+            },
+        ) {
+            Icon(
+                Icons.Default.Save,
+                contentDescription = null,
+            )
+            Text("Save Recording")
+        }
+        Button(
+            onClick = {
+                RecorderService.stopService(context)
+            },
+            colors = ButtonDefaults.textButtonColors(),
+        ) {
+            Text("Cancel")
+        }
+    }
+}

app/src/main/java/app/myzel394/locationtest/ui/components/AudioRecorder/atoms/StartRecording.kt

@@ -0,0 +1,94 @@
+package app.myzel394.locationtest.ui.components.AudioRecorder.atoms
+
+import android.content.ServiceConnection
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Mic
+import androidx.compose.material.icons.filled.Save
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.unit.dp
+import app.myzel394.locationtest.services.RecorderService
+import app.myzel394.locationtest.ui.utils.rememberFileSaverDialog
+import java.time.format.DateTimeFormatter
+
+@Composable
+fun StartRecording(
+    connection: ServiceConnection,
+    service: RecorderService? = null,
+) {
+    val context = LocalContext.current
+
+    val saveFile = rememberFileSaverDialog("audio/*")
+
+    Column(
+        modifier = Modifier.fillMaxSize(),
+        verticalArrangement = Arrangement.SpaceBetween,
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        Box {}
+        Button(
+            onClick = {
+                RecorderService.startService(context, connection)
+            },
+            modifier = Modifier
+                .semantics {
+                    contentDescription = "Start recording"
+                }
+                .size(200.dp)
+                .clip(shape = CircleShape),
+            colors = ButtonDefaults.outlinedButtonColors(),
+        ) {
+            Column(
+                horizontalAlignment = Alignment.CenterHorizontally,
+            ) {
+                Icon(
+                    Icons.Default.Mic,
+                    contentDescription = null,
+                    modifier = Modifier
+                        .size(80.dp),
+                )
+                Spacer(modifier = Modifier.height(ButtonDefaults.IconSpacing))
+                Text(
+                    "Start Recording",
+                    style = MaterialTheme.typography.titleSmall,
+                )
+            }
+        }
+        if (service?.originalRecordingStart != null)
+            Button(
+                onClick = {
+                    saveFile(service.concatenateFiles())
+                }
+            ) {
+                Icon(
+                    Icons.Default.Save,
+                    contentDescription = null,
+                    modifier = Modifier
+                        .size(ButtonDefaults.IconSize),
+                )
+                Spacer(modifier = Modifier.width(ButtonDefaults.IconSpacing))
+                Text("Save Recording from ${service.originalRecordingStart!!.format(DateTimeFormatter.ISO_DATE_TIME)}")
+            }
+        else
+            Box {}
+    }
+}

app/src/main/java/app/myzel394/locationtest/ui/components/atoms/Pulsating.kt

@@ -0,0 +1,30 @@
+package app.myzel394.locationtest.ui.components.atoms
+
+import androidx.compose.animation.core.RepeatMode
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.layout.Box
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+
+@Composable
+fun Pulsating(content: @Composable () -> Unit) {
+    val infiniteTransition = rememberInfiniteTransition()
+
+    val alpha by infiniteTransition.animateFloat(
+        initialValue = 0f,
+        targetValue = 1f,
+        animationSpec = infiniteRepeatable(
+            animation = tween(1000),
+            repeatMode = RepeatMode.Reverse
+        )
+    )
+
+    Box(modifier = Modifier.alpha(alpha)) {
+        content()
+    }
+}

app/src/main/java/app/myzel394/locationtest/ui/screens/AudioRecorder.kt

@@ -9,24 +9,41 @@ import android.media.MediaPlayer
 import android.os.IBinder
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Mic
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.graphics.Outline
+import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat
 import androidx.navigation.NavController
 import app.myzel394.locationtest.services.RecorderService
+import app.myzel394.locationtest.ui.components.AudioRecorder.atoms.RecordingStatus
+import app.myzel394.locationtest.ui.components.AudioRecorder.atoms.StartRecording
 import app.myzel394.locationtest.ui.enums.Screen
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -35,10 +52,6 @@ fun AudioRecorder(
     navController: NavController,
 ) {
     val context = LocalContext.current
-    val launcher = rememberLauncherForActivityResult(
-        ActivityResultContracts.RequestPermission(),
-    ) { isGranted ->
-    }
 
     var service by remember { mutableStateOf<RecorderService?>(null) }
     val connection = remember {
@@ -85,51 +98,15 @@ fun AudioRecorder(
             )
         },
     ) {padding ->
-        Row(
+        Box(
-            modifier = Modifier.padding(padding),
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding),
         ) {
-            Button(
+            if (isRecording && service != null)
-                onClick = {
+                RecordingStatus(service = service!!)
-                    // Check audio recording permission
+            else
-                    if (context.checkSelfPermission(Manifest.permission.RECORD_AUDIO) != android.content.pm.PackageManager.PERMISSION_GRANTED) {
+                StartRecording(connection = connection, service = service)
-                        launcher.launch(Manifest.permission.RECORD_AUDIO)
-
-                        return@Button
-                    }
-
-                    if (isRecording) {
-                        Intent(context, RecorderService::class.java).also { intent ->
-                            intent.action = RecorderService.Actions.STOP.toString()
-
-                            context.startService(intent)
-                        }
-                    } else {
-                        Intent(context, RecorderService::class.java).also { intent ->
-                            intent.action = RecorderService.Actions.START.toString()
-
-                            ContextCompat.startForegroundService(context, intent)
-                            context.bindService(intent, connection, Context.BIND_AUTO_CREATE)
-                        }
-                    }
-                },
-            ) {
-                Text(text = if (isRecording) "Stop" else "Start")
-            }
-            if (!isRecording && service != null)
-                Button(
-                    onClick = {
-                        val path = service!!.concatenateAudios()
-
-                        val player = MediaPlayer().apply {
-                            setDataSource(path)
-                            prepare()
-                        }
-
-                        player.start()
-                    },
-                ) {
-                    Text(text = "Convert")
-                }
         }
     }
 }

app/src/main/java/app/myzel394/locationtest/ui/screens/SettingsScreen.kt

@@ -41,6 +41,7 @@ import app.myzel394.locationtest.db.AudioRecorderSettings
 import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.BitrateTile
 import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.EncoderTile
 import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.IntervalDurationTile
+import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.MaxDurationTile
 import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.OutputFormatTile
 import app.myzel394.locationtest.ui.components.SettingsScreen.atoms.SamplingRateTile
 import app.myzel394.locationtest.ui.components.atoms.GlobalSwitch
@@ -107,9 +108,8 @@ fun SettingsScreen(
                     }
                 }
             )
+            MaxDurationTile()
             IntervalDurationTile()
-            BitrateTile()
-            SamplingRateTile()
             AnimatedVisibility(visible = settings.showAdvancedSettings) {
                 Column {
                     Divider(
@@ -117,6 +117,8 @@ fun SettingsScreen(
                             .fillMaxWidth()
                             .padding(horizontal = 16.dp, vertical = 32.dp)
                     )
+                    BitrateTile()
+                    SamplingRateTile()
                     OutputFormatTile()
                     EncoderTile()
                 }

app/src/main/java/app/myzel394/locationtest/ui/utils/PermissionHelper.kt

@@ -0,0 +1,30 @@
+package app.myzel394.locationtest.ui.utils
+
+import android.app.Activity
+import android.content.Context
+import android.content.pm.PackageManager
+import androidx.core.app.ActivityCompat
+
+// From @Bnyro
+object PermissionHelper {
+    fun checkPermissions(context: Context, permissions: Array<String>): Boolean {
+        permissions.forEach {
+            if (!hasPermission(context, it)) {
+                ActivityCompat.requestPermissions(
+                    context as Activity,
+                    arrayOf(it),
+                    1
+                )
+                return false
+            }
+        }
+        return true
+    }
+
+    fun hasPermission(context: Context, permission: String): Boolean {
+        return ActivityCompat.checkSelfPermission(
+            context,
+            permission
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+}