Merge pull request #50 from Myzel394/add-custom-location

Add custom location

app/build.gradle

@@ -102,6 +102,7 @@ dependencies {
     implementation 'androidx.compose.material3:material3'
     implementation "androidx.compose.material:material-icons-extended:1.5.1"
     implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'androidx.documentfile:documentfile:1.0.1'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
@@ -128,4 +129,6 @@ dependencies {
     implementation 'com.maxkeppeler.sheets-compose-dialogs:duration:1.2.0'
     implementation 'com.maxkeppeler.sheets-compose-dialogs:list:1.2.0'
     implementation 'com.maxkeppeler.sheets-compose-dialogs:input:1.2.0'
+
+    implementation 'androidx.activity:activity-ktx:1.8.0'
 }

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

@@ -1,8 +1,11 @@
 package app.myzel394.alibi.db
 
+import android.content.Context
 import android.media.MediaRecorder
 import android.os.Build
 import app.myzel394.alibi.R
+import app.myzel394.alibi.helpers.AudioRecorderExporter
+import app.myzel394.alibi.helpers.BatchesFolder
 import com.arthenica.ffmpegkit.FFmpegKit
 import com.arthenica.ffmpegkit.ReturnCode
 import kotlinx.serialization.Serializable
@@ -74,10 +77,9 @@ data class RecordingInformation(
     val maxDuration: Long,
     val intervalDuration: Long,
     val fileExtension: String,
-    val forceExactMaxDuration: Boolean,
 ) {
-    val hasRecordingsAvailable
+    fun hasRecordingsAvailable(context: Context): Boolean =
-        get() = File(folderPath).listFiles()?.isNotEmpty() ?: false
+        BatchesFolder.importFromFolder(folderPath, context).hasRecordingsAvailable()
 }
 
 @Serializable
@@ -86,7 +88,6 @@ data class AudioRecorderSettings(
     val maxDuration: Long = 30 * 60 * 1000L,
     // 60 seconds
     val intervalDuration: Long = 60 * 1000L,
-    val forceExactMaxDuration: Boolean = true,
     // 320 Kbps
     val bitRate: Int = 320000,
     val samplingRate: Int? = null,
@@ -94,6 +95,7 @@ data class AudioRecorderSettings(
     val encoder: Int? = null,
     val showAllMicrophones: Boolean = false,
     val deleteRecordingsImmediately: Boolean = false,
+    val saveFolder: String? = null,
 ) {
     fun getOutputFormat(): Int {
         if (outputFormat != null) {
@@ -161,6 +163,24 @@ data class AudioRecorderSettings(
     else
         MediaRecorder.AudioEncoder.AMR_NB
 
+    fun getSaveFolder(context: Context): File {
+        val defaultFolder = AudioRecorderExporter.getFolder(context)
+
+        if (saveFolder == null) {
+            return defaultFolder
+        }
+
+        runCatching {
+            return File(saveFolder!!).apply {
+                if (!exists()) {
+                    mkdirs()
+                }
+            }
+        }
+
+        return defaultFolder
+    }
+
     fun setIntervalDuration(duration: Long): AudioRecorderSettings {
         if (duration < 10 * 1000L || duration > 60 * 60 * 1000L) {
             throw Exception("Interval duration must be between 10 seconds and 1 hour")
@@ -217,10 +237,6 @@ data class AudioRecorderSettings(
         return copy(maxDuration = duration)
     }
 
-    fun setForceExactMaxDuration(forceExactMaxDuration: Boolean): AudioRecorderSettings {
-        return copy(forceExactMaxDuration = forceExactMaxDuration)
-    }
-
     fun setShowAllMicrophones(showAllMicrophones: Boolean): AudioRecorderSettings {
         return copy(showAllMicrophones = showAllMicrophones)
     }
@@ -229,6 +245,10 @@ data class AudioRecorderSettings(
         return copy(deleteRecordingsImmediately = deleteRecordingsImmediately)
     }
 
+    fun setSaveFolder(saveFolder: String?): AudioRecorderSettings {
+        return copy(saveFolder = saveFolder)
+    }
+
     fun isEncoderCompatible(encoder: Int): Boolean {
         if (outputFormat == null || outputFormat == MediaRecorder.OutputFormat.DEFAULT) {
             return true

app/src/main/java/app/myzel394/alibi/helpers/AudioRecorderExporter.kt

@@ -1,10 +1,14 @@
 package app.myzel394.alibi.helpers
 
 import android.content.Context
+import android.net.Uri
+import android.system.Os
 import android.util.Log
+import androidx.documentfile.provider.DocumentFile
 import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.ui.RECORDER_SUBFOLDER_NAME
 import com.arthenica.ffmpegkit.FFmpegKit
+import com.arthenica.ffmpegkit.FFmpegKitConfig
 import com.arthenica.ffmpegkit.ReturnCode
 import java.io.File
 import java.time.format.DateTimeFormatter
@@ -12,65 +16,31 @@ import java.time.format.DateTimeFormatter
 data class AudioRecorderExporter(
     val recording: RecordingInformation,
 ) {
-    val filePaths: List<File>
+    suspend fun concatenateFiles(
-        get() =
+        batchesFolder: BatchesFolder,
-            File(recording.folderPath).listFiles()?.filter {
+        outputFilePath: String,
-                val name = it.nameWithoutExtension
+        forceConcatenation: Boolean = false,
-
-                name.toIntOrNull() != null
-            }?.toList() ?: emptyList()
-
-    val hasRecordingAvailable: Boolean
-        get() = filePaths.isNotEmpty()
-
-    private fun stripConcatenatedFileToExactDuration(
-        outputFile: File
     ) {
-        // Move the concatenated file to a temporary file
+        val filePaths = batchesFolder.getBatchesForFFmpeg()
-        val rawFile =
-            File("${recording.folderPath}/${outputFile.nameWithoutExtension}-raw.${recording.fileExtension}")
-        outputFile.renameTo(rawFile)
 
-        val command = "-sseof ${recording.maxDuration / -1000} -i $rawFile -y $outputFile"
+        if (batchesFolder.checkIfOutputAlreadyExists(
-
+                recording.recordingStart,
-        val session = FFmpegKit.execute(command)
+                recording.fileExtension
-
+            ) && !forceConcatenation
-        if (!ReturnCode.isSuccess(session.returnCode)) {
+        ) {
-            Log.d(
+            return
-                "Audio Concatenation",
-                String.format(
-                    "Command failed with state %s and rc %s.%s",
-                    session.state,
-                    session.returnCode,
-                    session.failStackTrace,
-                )
-            )
-
-            throw Exception("Failed to strip concatenated audio")
-        }
         }
 
-    suspend fun concatenateFiles(forceConcatenation: Boolean = false): File {
+        val filePathsConcatenated = filePaths.joinToString("|")
-        val paths = filePaths.joinToString("|")
+        val command =
-        val fileName = recording.recordingStart
+            "-protocol_whitelist saf,concat,content,file,subfile" +
-            .format(DateTimeFormatter.ISO_DATE_TIME)
+                    " -i 'concat:$filePathsConcatenated' -y" +
-            .toString()
-            .replace(":", "-")
-            .replace(".", "_")
-        val outputFile = File("${recording.folderPath}/$fileName.${recording.fileExtension}")
-
-        if (outputFile.exists() && !forceConcatenation) {
-            return outputFile
-        }
-
-        val command = "-i 'concat:$paths' -y" +
                     " -acodec copy" +
-                " -metadata title='$fileName' " +
                     " -metadata date='${recording.recordingStart.format(DateTimeFormatter.ISO_DATE_TIME)}'" +
                     " -metadata batch_count='${filePaths.size}'" +
                     " -metadata batch_duration='${recording.intervalDuration}'" +
                     " -metadata max_duration='${recording.maxDuration}'" +
-                " $outputFile"
+                    " $outputFilePath"
 
         val session = FFmpegKit.execute(command)
 
@@ -87,32 +57,10 @@ data class AudioRecorderExporter(
 
             throw Exception("Failed to concatenate audios")
         }
-
-        val minRequiredForPossibleInExactMaxDuration =
-            recording.maxDuration / recording.intervalDuration
-        if (recording.forceExactMaxDuration && filePaths.size > minRequiredForPossibleInExactMaxDuration) {
-            stripConcatenatedFileToExactDuration(outputFile)
-        }
-
-        return outputFile
-    }
-
-    suspend fun cleanupFiles() {
-        filePaths.forEach {
-            runCatching {
-                it.delete()
-            }
-        }
     }
 
     companion object {
         fun getFolder(context: Context) = File(context.filesDir, RECORDER_SUBFOLDER_NAME)
-
+    }
-        fun clearAllRecordings(context: Context) {
-            getFolder(context).deleteRecursively()
 }
 
-        fun hasRecordingsAvailable(context: Context) =
-            getFolder(context).listFiles()?.isNotEmpty() ?: false
-    }
-}

app/src/main/java/app/myzel394/alibi/helpers/BatchesFolder.kt

@@ -0,0 +1,215 @@
+package app.myzel394.alibi.helpers
+
+import android.content.Context
+import androidx.documentfile.provider.DocumentFile
+import app.myzel394.alibi.ui.RECORDER_SUBFOLDER_NAME
+import java.io.File
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import com.arthenica.ffmpegkit.FFmpegKitConfig
+import android.net.Uri
+import android.os.ParcelFileDescriptor
+import java.io.FileDescriptor
+
+data class BatchesFolder(
+    val context: Context,
+    val type: BatchType,
+    val customFolder: DocumentFile? = null,
+    val subfolderName: String = ".recordings",
+) {
+    private var customFileFileDescriptor: ParcelFileDescriptor? = null
+
+    fun initFolders() {
+        when (type) {
+            BatchType.INTERNAL -> getFolder(context).mkdirs()
+            BatchType.CUSTOM -> {
+                if (customFolder!!.findFile(subfolderName) == null) {
+                    customFolder.createDirectory(subfolderName)
+                }
+            }
+        }
+    }
+
+    fun cleanup() {
+        customFileFileDescriptor?.close()
+    }
+
+    private fun getInternalFolder(): File {
+        return getFolder(context)
+    }
+
+    private fun getCustomDefinedFolder(): DocumentFile {
+        return customFolder!!.findFile(subfolderName)!!
+    }
+
+    fun getBatchesForFFmpeg(): List<String> {
+        return when (type) {
+            BatchType.INTERNAL ->
+                (getInternalFolder()
+                    .listFiles()
+                    ?.filter {
+                        it.nameWithoutExtension.toIntOrNull() != null
+                    }
+                    ?.toList()
+                    ?: emptyList())
+                    .map { it.absolutePath }
+
+            BatchType.CUSTOM -> getCustomDefinedFolder()
+                .listFiles()
+                .filter {
+                    it.name?.substringBeforeLast(".")?.toIntOrNull() != null
+                }
+                .map {
+                    FFmpegKitConfig.getSafParameterForRead(
+                        context,
+                        it.uri,
+                    )!!
+                }
+        }
+    }
+
+    fun getName(date: LocalDateTime, extension: String): String {
+        val name = date
+            .format(DateTimeFormatter.ISO_DATE_TIME)
+            .toString()
+            .replace(":", "-")
+            .replace(".", "_")
+
+        return "$name.$extension"
+    }
+
+    fun asInternalGetOutputFile(date: LocalDateTime, extension: String): File {
+        return File(getInternalFolder(), getName(date, extension))
+    }
+
+    fun asCustomGetOutputFile(
+        date: LocalDateTime,
+        extension: String,
+    ): DocumentFile {
+        return getCustomDefinedFolder().createFile("audio/$extension", getName(date, extension))!!
+    }
+
+    fun getOutputFileForFFmpeg(
+        date: LocalDateTime,
+        extension: String,
+    ): String {
+        return when (type) {
+            BatchType.INTERNAL -> asInternalGetOutputFile(date, extension).absolutePath
+            BatchType.CUSTOM -> FFmpegKitConfig.getSafParameterForWrite(
+                context,
+                customFolder!!.createFile(
+                    "audio/${extension}",
+                    getName(date, extension),
+                )!!.uri
+            )!!
+        }
+    }
+
+    fun checkIfOutputAlreadyExists(
+        date: LocalDateTime,
+        extension: String
+    ): Boolean {
+        val name = date
+            .format(DateTimeFormatter.ISO_DATE_TIME)
+            .toString()
+            .replace(":", "-")
+            .replace(".", "_")
+
+        return when (type) {
+            BatchType.INTERNAL -> File(getInternalFolder(), "$name.$extension").exists()
+            BatchType.CUSTOM ->
+                getCustomDefinedFolder().findFile("${name}.${extension}")?.exists() ?: false
+        }
+    }
+
+    fun exportFolderForSettings(): String {
+        return when (type) {
+            BatchType.INTERNAL -> "_'internal"
+            BatchType.CUSTOM -> customFolder!!.uri.toString()
+        }
+    }
+
+    fun deleteRecordings() {
+        when (type) {
+            BatchType.INTERNAL -> getInternalFolder().deleteRecursively()
+            BatchType.CUSTOM -> customFolder?.findFile(subfolderName)?.delete()
+                ?: customFolder?.findFile(subfolderName)?.listFiles()?.forEach {
+                    it.delete()
+                }
+        }
+    }
+
+    fun hasRecordingsAvailable(): Boolean {
+        return when (type) {
+            BatchType.INTERNAL -> getInternalFolder().listFiles()?.isNotEmpty() ?: false
+            BatchType.CUSTOM -> customFolder?.findFile(subfolderName)?.listFiles()?.isNotEmpty()
+                ?: false
+        }
+    }
+
+    fun deleteOldRecordings(earliestCounter: Long) {
+        when (type) {
+            BatchType.INTERNAL -> getInternalFolder().listFiles()?.forEach {
+                val fileCounter = it.nameWithoutExtension.toIntOrNull() ?: return@forEach
+
+                if (fileCounter < earliestCounter) {
+                    it.delete()
+                }
+            }
+
+            BatchType.CUSTOM -> getCustomDefinedFolder().listFiles().forEach {
+                val fileCounter = it.name?.substringBeforeLast(".")?.toIntOrNull() ?: return@forEach
+
+                if (fileCounter < earliestCounter) {
+                    it.delete()
+                }
+            }
+        }
+    }
+
+    fun checkIfFolderIsAccessible(): Boolean {
+        return when (type) {
+            BatchType.INTERNAL -> true
+            BatchType.CUSTOM -> getCustomDefinedFolder().canWrite() && getCustomDefinedFolder().canRead()
+        }
+    }
+
+    fun asInternalGetOutputPath(counter: Long, fileExtension: String): String {
+        return getInternalFolder().absolutePath + "/$counter.$fileExtension"
+    }
+
+    fun asCustomGetFileDescriptor(
+        counter: Long,
+        fileExtension: String,
+    ): FileDescriptor {
+        val file =
+            getCustomDefinedFolder().createFile("audio/$fileExtension", "$counter.$fileExtension")!!
+
+        customFileFileDescriptor = context.contentResolver.openFileDescriptor(file.uri, "w")!!
+
+        return customFileFileDescriptor!!.fileDescriptor
+    }
+
+    enum class BatchType {
+        INTERNAL,
+        CUSTOM,
+    }
+
+    companion object {
+        fun viaInternalFolder(context: Context): BatchesFolder {
+            return BatchesFolder(context, BatchType.INTERNAL)
+        }
+
+        fun viaCustomFolder(context: Context, folder: DocumentFile): BatchesFolder {
+            return BatchesFolder(context, BatchType.CUSTOM, folder)
+        }
+
+        fun getFolder(context: Context) = File(context.filesDir, RECORDER_SUBFOLDER_NAME)
+
+        fun importFromFolder(folder: String, context: Context): BatchesFolder = when (folder) {
+            "_'internal" -> viaInternalFolder(context)
+            else -> viaCustomFolder(context, DocumentFile.fromTreeUri(context, Uri.parse(folder))!!)
+        }
+    }
+}
+

app/src/main/java/app/myzel394/alibi/services/AudioRecorderService.kt

@@ -1,20 +1,20 @@
 package app.myzel394.alibi.services
 
-import android.annotation.SuppressLint
 import android.content.Context
 import android.media.AudioDeviceCallback
 import android.media.AudioDeviceInfo
 import android.media.AudioManager
 import android.media.MediaRecorder
 import android.media.MediaRecorder.OnErrorListener
+import android.net.Uri
 import android.os.Build
 import android.os.Handler
 import android.os.Looper
-import androidx.core.content.ContextCompat.getSystemService
+import androidx.documentfile.provider.DocumentFile
 import app.myzel394.alibi.enums.RecorderState
+import app.myzel394.alibi.helpers.BatchesFolder
 import app.myzel394.alibi.ui.utils.MicrophoneInfo
 import java.lang.IllegalStateException
-import java.util.concurrent.Executor
 
 class AudioRecorderService : IntervalRecorderService() {
     var amplitudesAmount = 1000
@@ -27,9 +27,6 @@ class AudioRecorderService : IntervalRecorderService() {
     var onMicrophoneDisconnected: () -> Unit = {}
     var onMicrophoneReconnected: () -> Unit = {}
 
-    val filePath: String
-        get() = "${outputFolder}/$counter.${settings!!.fileExtension}"
-
     /// Tell Android to use the correct bluetooth microphone, if any selected
     private fun startAudioDevice() {
         if (selectedMicrophone == null) {
@@ -68,11 +65,26 @@ class AudioRecorderService : IntervalRecorderService() {
             // - VOICE_COMMUNICATION: Uses the bottom microphone of the phone (17)
             // - DEFAULT: Uses the bottom microphone of the phone (17)
             setAudioSource(MediaRecorder.AudioSource.MIC)
-            setOutputFile(filePath)
+
-            setOutputFormat(settings!!.outputFormat)
+            when (batchesFolder.type) {
-            setAudioEncoder(settings!!.encoder)
+                BatchesFolder.BatchType.INTERNAL -> {
-            setAudioEncodingBitRate(settings!!.bitRate)
+                    setOutputFile(
-            setAudioSamplingRate(settings!!.samplingRate)
+                        batchesFolder.asInternalGetOutputPath(counter, settings.fileExtension)
+                    )
+                }
+
+                BatchesFolder.BatchType.CUSTOM -> {
+                    setOutputFile(
+                        batchesFolder.asCustomGetFileDescriptor(counter, settings.fileExtension)
+                    )
+                }
+            }
+
+            setOutputFormat(settings.outputFormat)
+
+            setAudioEncoder(settings.encoder)
+            setAudioEncodingBitRate(settings.bitRate)
+            setAudioSamplingRate(settings.samplingRate)
             setOnErrorListener(OnErrorListener { _, _, _ ->
                 onError()
             })
@@ -86,6 +98,7 @@ class AudioRecorderService : IntervalRecorderService() {
                 it.release()
             }
             clearAudioDevice()
+            batchesFolder.cleanup()
         }
     }
 

app/src/main/java/app/myzel394/alibi/services/IntervalRecorderService.kt

@@ -1,15 +1,19 @@
 package app.myzel394.alibi.services
 
 import android.media.MediaRecorder
+import android.net.Uri
+import androidx.documentfile.provider.DocumentFile
 import app.myzel394.alibi.dataStore
 import app.myzel394.alibi.db.AudioRecorderSettings
 import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.helpers.AudioRecorderExporter
+import app.myzel394.alibi.helpers.BatchesFolder
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
+import org.w3c.dom.DocumentFragment
 import java.io.File
 import java.util.concurrent.Executors
 import java.util.concurrent.ScheduledExecutorService
@@ -19,24 +23,23 @@ abstract class IntervalRecorderService : ExtraRecorderInformationService() {
     private var job = SupervisorJob()
     private var scope = CoroutineScope(Dispatchers.IO + job)
 
-    protected var counter = 0
+    protected var counter = 0L
         private set
 
-    var settings: Settings? = null
+    lateinit var settings: Settings
-        protected set
 
     private lateinit var cycleTimer: ScheduledExecutorService
 
-    protected val outputFolder: File
+    var batchesFolder: BatchesFolder = BatchesFolder.viaInternalFolder(this)
-        get() = AudioRecorderExporter.getFolder(this)
+
+    var onCustomOutputFolderNotAccessible: () -> Unit = {}
 
     fun getRecordingInformation(): RecordingInformation = RecordingInformation(
-        folderPath = outputFolder.absolutePath,
+        folderPath = batchesFolder.exportFolderForSettings(),
         recordingStart = recordingStart,
-        maxDuration = settings!!.maxDuration,
+        maxDuration = settings.maxDuration,
-        fileExtension = settings!!.fileExtension,
+        fileExtension = settings.fileExtension,
-        intervalDuration = settings!!.intervalDuration,
+        intervalDuration = settings.intervalDuration,
-        forceExactMaxDuration = settings!!.forceExactMaxDuration,
     )
 
     // Make overrideable
@@ -52,7 +55,7 @@ abstract class IntervalRecorderService : ExtraRecorderInformationService() {
                     startNewCycle()
                 },
                 0,
-                settings!!.intervalDuration,
+                settings.intervalDuration,
                 TimeUnit.MILLISECONDS
             )
         }
@@ -61,18 +64,16 @@ abstract class IntervalRecorderService : ExtraRecorderInformationService() {
     override fun start() {
         super.start()
 
-        outputFolder.mkdirs()
+        batchesFolder.initFolders()
-
+        if (!batchesFolder.checkIfFolderIsAccessible()) {
-        scope.launch {
+            batchesFolder =
-            dataStore.data.collectLatest { preferenceSettings ->
+                BatchesFolder.viaInternalFolder(this@IntervalRecorderService)
-                if (settings == null) {
+            batchesFolder.initFolders()
-                    settings = Settings.from(preferenceSettings.audioRecorderSettings)
+            onCustomOutputFolderNotAccessible()
+        }
 
         createTimer()
     }
-            }
-        }
-    }
 
     override fun pause() {
         cycleTimer.shutdown()
@@ -90,27 +91,25 @@ abstract class IntervalRecorderService : ExtraRecorderInformationService() {
         cycleTimer.shutdown()
     }
 
+    fun clearAllRecordings() {
+        batchesFolder.deleteRecordings()
+    }
+
     private fun deleteOldRecordings() {
         val timeMultiplier = settings!!.maxDuration / settings!!.intervalDuration
         val earliestCounter = counter - timeMultiplier
 
-        outputFolder.listFiles()?.forEach { file ->
+        batchesFolder.deleteOldRecordings(earliestCounter)
-            val fileCounter = file.nameWithoutExtension.toIntOrNull() ?: return
-
-            if (fileCounter < earliestCounter) {
-                file.delete()
-            }
-        }
     }
 
     data class Settings(
         val maxDuration: Long,
         val intervalDuration: Long,
-        val forceExactMaxDuration: Boolean,
         val bitRate: Int,
         val samplingRate: Int,
         val outputFormat: Int,
         val encoder: Int,
+        val folder: String? = null,
     ) {
         val fileExtension: String
             get() = when (outputFormat) {
@@ -134,7 +133,6 @@ abstract class IntervalRecorderService : ExtraRecorderInformationService() {
                     outputFormat = audioRecorderSettings.getOutputFormat(),
                     encoder = audioRecorderSettings.getEncoder(),
                     maxDuration = audioRecorderSettings.maxDuration,
-                    forceExactMaxDuration = audioRecorderSettings.forceExactMaxDuration,
                 )
             }
         }

app/src/main/java/app/myzel394/alibi/ui/components/AudioRecorder/molecules/StartRecording.kt

@@ -20,13 +20,11 @@ import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
-import androidx.compose.material3.rememberStandardBottomSheetState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
@@ -38,19 +36,13 @@ import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import app.myzel394.alibi.NotificationHelper
 import app.myzel394.alibi.R
 import app.myzel394.alibi.dataStore
 import app.myzel394.alibi.db.AppSettings
-import app.myzel394.alibi.helpers.AudioRecorderExporter
-import app.myzel394.alibi.services.RecorderNotificationHelper
 import app.myzel394.alibi.ui.BIG_PRIMARY_BUTTON_SIZE
 import app.myzel394.alibi.ui.components.atoms.PermissionRequester
+import app.myzel394.alibi.ui.effects.rememberForceUpdateOnLifeCycleChange
 import app.myzel394.alibi.ui.models.AudioRecorderModel
-import app.myzel394.alibi.ui.utils.rememberFileSaverDialog
-import kotlinx.coroutines.flow.last
-import kotlinx.coroutines.flow.lastOrNull
-import kotlinx.coroutines.launch
 import java.time.format.DateTimeFormatter
 import java.time.format.FormatStyle
 
@@ -72,19 +64,8 @@ fun StartRecording(
     LaunchedEffect(startRecording) {
         if (startRecording) {
             startRecording = false
-            audioRecorder.notificationDetails = appSettings.notificationSettings.let {
-                if (it == null)
-                    null
-                else
-                    RecorderNotificationHelper.NotificationDetails.fromNotificationSettings(
-                        context,
-                        it
-                    )
-            }
 
-            AudioRecorderExporter.clearAllRecordings(context)
+            audioRecorder.startRecording(context, appSettings)
-
-            audioRecorder.startRecording(context)
         }
     }
 
@@ -149,9 +130,13 @@ fun StartRecording(
                 .fillMaxWidth(),
             textAlign = TextAlign.Center,
         )
-        if (appSettings.lastRecording?.hasRecordingsAvailable == true) {
+
+        val forceUpdate = rememberForceUpdateOnLifeCycleChange()
+        if (appSettings.lastRecording?.hasRecordingsAvailable(context) == true) {
             Column(
-                modifier = Modifier.weight(1f),
+                modifier = Modifier
+                    .weight(1f)
+                    .then(forceUpdate),
                 horizontalAlignment = Alignment.CenterHorizontally,
                 verticalArrangement = Arrangement.Bottom,
             ) {

app/src/main/java/app/myzel394/alibi/ui/components/AudioRecorder/organisms/RecordingStatus.kt

@@ -107,8 +107,7 @@ fun RecordingStatus(
                 DeleteButton(
                     onDelete = {
                         audioRecorder.stopRecording(context)
-
+                        audioRecorder.batchesFolder!!.deleteRecordings();
-                        AudioRecorderExporter.clearAllRecordings(context)
                     }
                 )
             }

app/src/main/java/app/myzel394/alibi/ui/components/SettingsScreen/atoms/FolderBreadcrumbs.kt

@@ -0,0 +1,48 @@
+package app.myzel394.alibi.ui.components.SettingsScreen.atoms
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.width
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ChevronRight
+import androidx.compose.material.icons.filled.Folder
+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.text.TextStyle
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun FolderBreadcrumbs(
+    modifier: Modifier = Modifier,
+    textStyle: TextStyle? = null,
+    folders: Iterable<String>,
+) {
+    Row(
+        horizontalArrangement = Arrangement.Center,
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        folders.forEachIndexed { index, folder ->
+            if (index != 0) {
+                Icon(
+                    imageVector = Icons.Default.ChevronRight,
+                    contentDescription = null,
+                )
+            }
+            Text(
+                text = folder,
+                modifier = Modifier
+                    .then(modifier),
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
+                style = textStyle ?: MaterialTheme.typography.bodySmall,
+                textAlign = TextAlign.Center,
+            )
+        }
+    }
+}

app/src/main/java/app/myzel394/alibi/ui/components/SettingsScreen/atoms/ForceExactMaxDurationTile.kt

@@ -1,54 +0,0 @@
-package app.myzel394.alibi.ui.components.SettingsScreen.atoms
-
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.GraphicEq
-import androidx.compose.material3.Icon
-import androidx.compose.material3.Switch
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.res.stringResource
-import app.myzel394.alibi.R
-import app.myzel394.alibi.dataStore
-import app.myzel394.alibi.db.AppSettings
-import app.myzel394.alibi.ui.components.atoms.SettingsTile
-import com.maxkeppeker.sheets.core.models.base.rememberUseCaseState
-import kotlinx.coroutines.launch
-
-
-@Composable
-fun ForceExactMaxDurationTile(
-    settings: AppSettings,
-) {
-    val scope = rememberCoroutineScope()
-    val dataStore = LocalContext.current.dataStore
-
-    fun updateValue(forceExactMaxDuration: Boolean) {
-        scope.launch {
-            dataStore.updateData {
-                it.setAudioRecorderSettings(
-                    it.audioRecorderSettings.setForceExactMaxDuration(forceExactMaxDuration)
-                )
-            }
-        }
-    }
-
-
-    SettingsTile(
-        title = stringResource(R.string.ui_settings_option_forceExactDuration_title),
-        description = stringResource(R.string.ui_settings_option_forceExactDuration_description),
-        leading = {
-            Icon(
-                Icons.Default.GraphicEq,
-                contentDescription = null,
-            )
-        },
-        trailing = {
-            Switch(
-                checked = settings.audioRecorderSettings.forceExactMaxDuration,
-                onCheckedChange = ::updateValue,
-            )
-        },
-    )
-}

app/src/main/java/app/myzel394/alibi/ui/components/SettingsScreen/atoms/SaveFolderTile.kt

@@ -0,0 +1,231 @@
+package app.myzel394.alibi.ui.components.SettingsScreen.atoms
+
+import android.content.Intent
+import android.net.Uri
+import android.text.TextUtils.split
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AudioFile
+import androidx.compose.material.icons.filled.Cancel
+import androidx.compose.material.icons.filled.Folder
+import androidx.compose.material.icons.filled.Lock
+import androidx.compose.material.icons.filled.Warning
+import androidx.compose.material3.AlertDialog
+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.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import app.myzel394.alibi.R
+import app.myzel394.alibi.dataStore
+import app.myzel394.alibi.db.AppSettings
+import app.myzel394.alibi.ui.components.atoms.SettingsTile
+import app.myzel394.alibi.ui.utils.rememberFolderSelectorDialog
+import kotlinx.coroutines.launch
+import java.net.URLDecoder
+
+@Composable
+fun SaveFolderTile(
+    settings: AppSettings,
+) {
+    val scope = rememberCoroutineScope()
+    val context = LocalContext.current
+    val dataStore = context.dataStore
+
+    fun updateValue(path: String?) {
+        if (settings.audioRecorderSettings.saveFolder != null) {
+            runCatching {
+                context.contentResolver.releasePersistableUriPermission(
+                    Uri.parse(settings.audioRecorderSettings.saveFolder),
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                )
+            }
+        }
+
+        scope.launch {
+            dataStore.updateData {
+                it.setAudioRecorderSettings(
+                    it.audioRecorderSettings.setSaveFolder(path)
+                )
+            }
+        }
+    }
+
+    val selectFolder = rememberFolderSelectorDialog { folder ->
+        if (folder == null) {
+            return@rememberFolderSelectorDialog
+        }
+
+        context.contentResolver.takePersistableUriPermission(
+            folder,
+            Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+        )
+
+        updateValue(folder.toString())
+    }
+
+    var showWarning by remember { mutableStateOf(false) }
+
+    if (showWarning) {
+        val title = stringResource(R.string.ui_settings_option_saveFolder_warning_title)
+        val text = stringResource(R.string.ui_settings_option_saveFolder_warning_text)
+
+        AlertDialog(
+            icon = {
+                Icon(
+                    Icons.Default.Warning,
+                    contentDescription = null,
+                )
+            },
+            onDismissRequest = {
+                showWarning = false
+            },
+            title = {
+                Text(text = title)
+            },
+            text = {
+                Text(text = text)
+            },
+            confirmButton = {
+                Button(
+                    onClick = {
+                        showWarning = false
+                        selectFolder()
+                    },
+                ) {
+                    Text(
+                        text = stringResource(R.string.ui_settings_option_saveFolder_warning_action_confirm),
+                    )
+                }
+            },
+            dismissButton = {
+                Button(
+                    onClick = {
+                        showWarning = false
+                    },
+                    colors = ButtonDefaults.textButtonColors(),
+                ) {
+                    Icon(
+                        Icons.Default.Cancel,
+                        contentDescription = null,
+                        modifier = Modifier.size(ButtonDefaults.IconSize),
+                    )
+                    Spacer(modifier = Modifier.width(ButtonDefaults.IconSpacing))
+                    Text(stringResource(R.string.dialog_close_cancel_label))
+                }
+            }
+        )
+    }
+
+    SettingsTile(
+        title = stringResource(R.string.ui_settings_option_saveFolder_title),
+        description = stringResource(R.string.ui_settings_option_saveFolder_explanation),
+        leading = {
+            Icon(
+                Icons.Default.AudioFile,
+                contentDescription = null,
+            )
+        },
+        trailing = {
+            Button(
+                onClick = {
+                    showWarning = true
+                },
+                colors = ButtonDefaults.filledTonalButtonColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceVariant,
+                ),
+                shape = MaterialTheme.shapes.medium,
+            ) {
+                Icon(
+                    Icons.Default.Folder,
+                    contentDescription = null,
+                    modifier = Modifier.size(ButtonDefaults.IconSize),
+                )
+                Spacer(
+                    modifier = Modifier.size(ButtonDefaults.IconSpacing)
+                )
+                Text(
+                    text = stringResource(R.string.ui_settings_option_saveFolder_action_select_label),
+                )
+            }
+        },
+        extra = {
+            Column(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                if (settings.audioRecorderSettings.saveFolder != null) {
+                    Text(
+                        text = stringResource(
+                            R.string.form_value_selected,
+                            splitPath(settings.audioRecorderSettings.saveFolder).joinToString(" > ")
+                        ),
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        textAlign = TextAlign.Center,
+                        modifier = Modifier.fillMaxWidth(),
+                    )
+                    Button(
+                        colors = ButtonDefaults.filledTonalButtonColors(),
+                        contentPadding = ButtonDefaults.ButtonWithIconContentPadding,
+                        onClick = {
+                            updateValue(null)
+                        }
+                    ) {
+                        Icon(
+                            Icons.Default.Lock,
+                            contentDescription = null,
+                            modifier = Modifier.size(ButtonDefaults.IconSize),
+                        )
+                        Spacer(
+                            modifier = Modifier.size(ButtonDefaults.IconSpacing)
+                        )
+                        Text(
+                            text = stringResource(R.string.ui_settings_option_saveFolder_action_default_label),
+                        )
+                    }
+                } else {
+                    Text(
+                        text = stringResource(
+                            R.string.form_value_selected,
+                            stringResource(R.string.ui_settings_option_saveFolder_defaultValue)
+                        ),
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        textAlign = TextAlign.Center,
+                        modifier = Modifier.fillMaxWidth(),
+                    )
+                }
+            }
+        }
+    )
+}
+
+fun splitPath(path: String): List<String> {
+    return try {
+        URLDecoder
+            .decode(path, "UTF-8")
+            .split(":", limit = 3)[2]
+            .split("/")
+    } catch (e: Exception) {
+        listOf(path)
+    }
+}

app/src/main/java/app/myzel394/alibi/ui/effects/force-update.kt

@@ -1,11 +1,20 @@
 package app.myzel394.alibi.ui.effects
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.layout.onPlaced
+import androidx.compose.ui.platform.LocalLifecycleOwner
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
 import kotlinx.coroutines.delay
 
 @Composable
@@ -21,3 +30,38 @@ fun rememberForceUpdate(
 
     return tickTack
 }
+
+@Composable
+fun OnLifecycleEvent(onEvent: (owner: LifecycleOwner, event: Lifecycle.Event) -> Unit) {
+    val eventHandler = rememberUpdatedState(onEvent)
+    val lifecycleOwner = rememberUpdatedState(LocalLifecycleOwner.current)
+
+    DisposableEffect(lifecycleOwner.value) {
+        val lifecycle = lifecycleOwner.value.lifecycle
+        val observer = LifecycleEventObserver { owner, event ->
+            eventHandler.value(owner, event)
+        }
+
+        lifecycle.addObserver(observer)
+        onDispose {
+            lifecycle.removeObserver(observer)
+        }
+    }
+}
+
+@Composable
+fun rememberForceUpdateOnLifeCycleChange(
+    events: Array<Lifecycle.Event> = arrayOf(
+        Lifecycle.Event.ON_RESUME
+    ),
+): Modifier {
+    var tickTack by rememberSaveable { mutableStateOf(1f) }
+
+    OnLifecycleEvent { owner, event ->
+        if (events.contains(event)) {
+            tickTack = if (tickTack == 1f) 0.99f else 1f
+        }
+    }
+
+    return Modifier.alpha(tickTack)
+}

app/src/main/java/app/myzel394/alibi/ui/models/AudioRecorderModel.kt

@@ -4,15 +4,21 @@ import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.content.ServiceConnection
+import android.net.Uri
 import android.os.IBinder
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.core.content.ContextCompat
+import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.ViewModel
+import app.myzel394.alibi.db.AppSettings
 import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.enums.RecorderState
+import app.myzel394.alibi.helpers.AudioRecorderExporter
+import app.myzel394.alibi.helpers.BatchesFolder
 import app.myzel394.alibi.services.AudioRecorderService
+import app.myzel394.alibi.services.IntervalRecorderService
 import app.myzel394.alibi.services.RecorderNotificationHelper
 import app.myzel394.alibi.services.RecorderService
 import kotlinx.serialization.json.Json
@@ -45,6 +51,9 @@ class AudioRecorderModel : ViewModel() {
     var onRecordingSave: () -> Unit = {}
     var onError: () -> Unit = {}
     var notificationDetails: RecorderNotificationHelper.NotificationDetails? = null
+    var batchesFolder: BatchesFolder? = null
+
+    private lateinit var settings: AppSettings
 
     var microphoneStatus: MicrophoneConnectivityStatus = MicrophoneConnectivityStatus.CONNECTED
         private set
@@ -58,7 +67,7 @@ class AudioRecorderModel : ViewModel() {
         override fun onServiceConnected(className: ComponentName, service: IBinder) {
             recorderService =
                 ((service as RecorderService.RecorderBinder).getService() as AudioRecorderService).also { recorder ->
-                    // Update UI when the service changes
+                    // Init variables from us to the service
                     recorder.onStateChange = { state ->
                         recorderState = state
                     }
@@ -81,6 +90,11 @@ class AudioRecorderModel : ViewModel() {
                     recorder.onMicrophoneReconnected = {
                         microphoneStatus = MicrophoneConnectivityStatus.CONNECTED
                     }
+                    recorder.batchesFolder = batchesFolder ?: recorder.batchesFolder
+                    recorder.settings =
+                        IntervalRecorderService.Settings.from(settings.audioRecorderSettings)
+
+                    recorder.clearAllRecordings()
                 }.also {
                     // Init UI from the service
                     it.startRecording()
@@ -106,11 +120,33 @@ class AudioRecorderModel : ViewModel() {
         microphoneStatus = MicrophoneConnectivityStatus.CONNECTED
     }
 
-    fun startRecording(context: Context) {
+    fun startRecording(context: Context, settings: AppSettings) {
         runCatching {
+            recorderService?.clearAllRecordings()
             context.unbindService(connection)
         }
 
+        notificationDetails = settings.notificationSettings.let {
+            if (it == null)
+                null
+            else
+                RecorderNotificationHelper.NotificationDetails.fromNotificationSettings(
+                    context,
+                    it
+                )
+        }
+        batchesFolder = if (settings.audioRecorderSettings.saveFolder == null)
+            BatchesFolder.viaInternalFolder(context)
+        else
+            BatchesFolder.viaCustomFolder(
+                context,
+                DocumentFile.fromTreeUri(
+                    context,
+                    Uri.parse(settings.audioRecorderSettings.saveFolder)
+                )!!
+            )
+        this.settings = settings
+
         val intent = Intent(context, AudioRecorderService::class.java).apply {
             action = "init"
 

app/src/main/java/app/myzel394/alibi/ui/screens/AudioRecorderScreen.kt

@@ -1,5 +1,7 @@
 package app.myzel394.alibi.ui.screens
 
+import android.content.Intent
+import android.net.Uri
 import android.util.Log
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -18,13 +20,20 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Snackbar
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.SnackbarResult
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusManager
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -36,8 +45,8 @@ import app.myzel394.alibi.ui.utils.rememberFileSaverDialog
 import app.myzel394.alibi.R
 import app.myzel394.alibi.dataStore
 import app.myzel394.alibi.db.AppSettings
-import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.helpers.AudioRecorderExporter
+import app.myzel394.alibi.helpers.BatchesFolder
 import app.myzel394.alibi.ui.effects.rememberSettings
 import app.myzel394.alibi.ui.models.AudioRecorderModel
 import kotlinx.coroutines.delay
@@ -49,6 +58,7 @@ fun AudioRecorderScreen(
     navController: NavController,
     audioRecorder: AudioRecorderModel,
 ) {
+    val snackbarHostState = remember { SnackbarHostState() }
     val context = LocalContext.current
 
     val dataStore = context.dataStore
@@ -59,10 +69,10 @@ fun AudioRecorderScreen(
         settings.audioRecorderSettings.getMimeType()
     ) {
         if (settings.audioRecorderSettings.deleteRecordingsImmediately) {
-            AudioRecorderExporter.clearAllRecordings(context)
+            audioRecorder.batchesFolder!!.deleteRecordings()
         }
 
-        if (!AudioRecorderExporter.hasRecordingsAvailable(context)) {
+        if (!audioRecorder.batchesFolder!!.hasRecordingsAvailable()) {
             scope.launch {
                 dataStore.updateData {
                     it.setLastRecording(null)
@@ -86,6 +96,29 @@ fun AudioRecorderScreen(
         }
     }
 
+    val successMessage = stringResource(R.string.ui_audioRecorder_action_save_success)
+    val openMessage = stringResource(R.string.ui_audioRecorder_action_save_openFolder)
+
+    fun openFolder(uri: Uri) {
+        val intent = Intent(Intent.ACTION_VIEW, uri)
+
+        context.startActivity(intent)
+    }
+
+    fun showSnackbar(uri: Uri) {
+        scope.launch {
+            val result = snackbarHostState.showSnackbar(
+                message = successMessage,
+                actionLabel = openMessage,
+                duration = SnackbarDuration.Short,
+            )
+
+            if (result == SnackbarResult.ActionPerformed) {
+                openFolder(uri)
+            }
+        }
+    }
+
     fun saveRecording() {
         scope.launch {
             isProcessingAudio = true
@@ -94,13 +127,43 @@ fun AudioRecorderScreen(
             delay(100)
 
             try {
-                val file = AudioRecorderExporter(
+                val recording = audioRecorder.recorderService?.getRecordingInformation()
-                    audioRecorder.recorderService?.getRecordingInformation()
                     ?: settings.lastRecording
-                        ?: throw Exception("No recording information available"),
+                    ?: throw Exception("No recording information available")
-                ).concatenateFiles()
+                val batchesFolder = BatchesFolder.importFromFolder(recording.folderPath, context)
+                val outputFile = batchesFolder.getOutputFileForFFmpeg(
+                    recording.recordingStart,
+                    recording.fileExtension
+                )
 
-                saveFile(file, file.name)
+                AudioRecorderExporter(recording).concatenateFiles(
+                    batchesFolder,
+                    outputFile,
+                )
+
+                val name = batchesFolder.getName(
+                    recording.recordingStart,
+                    recording.fileExtension,
+                )
+
+                when (batchesFolder.type) {
+                    BatchesFolder.BatchType.INTERNAL -> {
+                        saveFile(
+                            batchesFolder.asInternalGetOutputFile(
+                                recording.recordingStart,
+                                recording.fileExtension,
+                            ), name
+                        )
+                    }
+
+                    BatchesFolder.BatchType.CUSTOM -> {
+                        showSnackbar(batchesFolder.customFolder!!.uri)
+
+                        if (settings.audioRecorderSettings.deleteRecordingsImmediately) {
+                            batchesFolder.deleteRecordings()
+                        }
+                    }
+                }
             } catch (error: Exception) {
                 Log.getStackTraceString(error)
             } finally {
@@ -192,6 +255,21 @@ fun AudioRecorderScreen(
             }
         )
     Scaffold(
+        snackbarHost = {
+            SnackbarHost(
+                hostState = snackbarHostState,
+                snackbar = {
+                    Snackbar(
+                        snackbarData = it,
+                        containerColor = MaterialTheme.colorScheme.primaryContainer,
+                        contentColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                        actionColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                        actionContentColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                        dismissActionContentColor = MaterialTheme.colorScheme.onPrimaryContainer,
+                    )
+                }
+            )
+        },
         topBar = {
             TopAppBar(
                 title = {

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

@@ -37,20 +37,19 @@ import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import app.myzel394.alibi.R
 import app.myzel394.alibi.dataStore
-import app.myzel394.alibi.db.AppSettings
 import app.myzel394.alibi.ui.SUPPORTS_DARK_MODE_NATIVELY
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.AboutTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.BitrateTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.CustomNotificationTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.DeleteRecordingsImmediatelyTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.EncoderTile
-import app.myzel394.alibi.ui.components.SettingsScreen.atoms.ForceExactMaxDurationTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.ImportExport
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.InAppLanguagePicker
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.IntervalDurationTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.MaxDurationTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.OutputFormatTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.SamplingRateTile
+import app.myzel394.alibi.ui.components.SettingsScreen.atoms.SaveFolderTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.ShowAllMicrophonesTile
 import app.myzel394.alibi.ui.components.SettingsScreen.atoms.ThemeSelector
 import app.myzel394.alibi.ui.components.atoms.GlobalSwitch
@@ -145,7 +144,6 @@ fun SettingsScreen(
             )
             MaxDurationTile(settings = settings)
             IntervalDurationTile(settings = settings)
-            ForceExactMaxDurationTile(settings = settings)
             InAppLanguagePicker()
             DeleteRecordingsImmediatelyTile(settings = settings)
             CustomNotificationTile(navController = navController, settings = settings)
@@ -161,6 +159,7 @@ fun SettingsScreen(
                                 .fillMaxWidth()
                                 .padding(horizontal = 16.dp, vertical = 32.dp)
                         )
+                        SaveFolderTile(settings = settings)
                         ShowAllMicrophonesTile(settings = settings)
                         BitrateTile(settings = settings)
                         SamplingRateTile(settings = settings)

app/src/main/java/app/myzel394/alibi/ui/utils/file.kt

@@ -1,9 +1,12 @@
 package app.myzel394.alibi.ui.utils
 
+import android.app.Activity
+import android.content.Intent
 import android.net.Uri
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -56,3 +59,30 @@ fun rememberFileSelectorDialog(
         launcher.launch(arrayOf(mimeType))
     }
 }
+
+@Composable
+fun rememberFolderSelectorDialog(
+    callback: (Uri?) -> Unit
+): (() -> Unit) {
+    val launcher =
+        rememberLauncherForActivityResult(
+            ActivityResultContracts.StartActivityForResult()
+        ) {
+            if (it.resultCode == Activity.RESULT_OK) {
+                val uri = it.data?.data
+
+                callback(uri)
+            }
+        }
+
+    return {
+        launcher.launch(Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).apply {
+            addFlags(
+                Intent.FLAG_GRANT_READ_URI_PERMISSION
+                        or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        or Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION
+                        or Intent.FLAG_GRANT_PREFIX_URI_PERMISSION
+            )
+        })
+    }
+}

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

@@ -39,8 +39,6 @@
     <string name="ui_settings_option_maxDuration_description">Set the maximum duration of the recording</string>
     <string name="ui_settings_option_intervalDuration_title">Batch duration</string>
     <string name="ui_settings_option_intervalDuration_description">Record a single batch for this duration. Alibi records multiple batches and deletes the oldest one. When exporting the audio, all batches will be merged together</string>
-    <string name="ui_settings_option_forceExactDuration_title">Force exact duration</string>
-    <string name="ui_settings_option_forceExactDuration_description">Force to strip the output file to be the exactly specified duration. If this is disabled, the output file may be a bit longer due to batches of audio samples being encoded together.</string>
     <string name="ui_settings_option_bitrate_title">Bitrate</string>
     <string name="ui_settings_option_bitrate_description">A higher bitrate means better quality but also larger file size</string>
     <string name="ui_settings_option_bitrate_explanation">Set the bitrate for the audio recording</string>

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

@@ -9,6 +9,7 @@
     <string name="form_error_type_notNumber">Please enter a valid number</string>
     <string name="form_error_value_notInRange">Please enter a number between <xliff:g name="min">%s</xliff:g> and <xliff:g name="max">%s</xliff:g></string>
     <string name="form_error_value_mustBeGreaterThan">Please enter a number greater than <xliff:g name="min">%s</xliff:g></string>
+    <string name="form_value_selected">Selected: %s</string>
 
     <string name="notificationChannels_recorder_name">Recorder</string>
     <string name="notificationChannels_recorder_description">Shows the current recording status</string>
@@ -109,4 +110,14 @@
     <string name="ui_about_contribute_donation_githubSponsors">Become a GitHub Sponsor</string>
     <string name="ui_settings_option_deleteRecordingsImmediately_title">Delete Recordings Immediately</string>
     <string name="ui_settings_option_deleteRecordingsImmediately_description">If enabled, Alibi will immediately delete recordings after you have saved the file.</string>
+    <string name="ui_settings_option_saveFolder_title">Batches folder</string>
+    <string name="ui_settings_option_saveFolder_explanation">Where Alibi should store the temporary batches of your recordings.</string>
+    <string name="ui_settings_option_saveFolder_action_select_label">Select</string>
+    <string name="ui_settings_option_saveFolder_defaultValue">Encrypted Internal Storage</string>
+    <string name="ui_settings_option_saveFolder_warning_title">Are you sure you want to change the folder?</string>
+    <string name="ui_settings_option_saveFolder_warning_text">By default, Alibi will save the recording batches into its private, encrypted file storage. You can change this and specify an external, unencrypted folder. This will allow you to access the batches manually. ONLY DO THIS IF YOU KNOW WHAT YOU ARE DOING!</string>
+    <string name="ui_settings_option_saveFolder_warning_action_confirm">Yes, change folder</string>
+    <string name="ui_settings_option_saveFolder_action_default_label">Use private, encrypted storage</string>
+    <string name="ui_audioRecorder_action_save_success">Recording has been saved successfully!</string>
+    <string name="ui_audioRecorder_action_save_openFolder">Open</string>
 </resources>