feat: Add doctor; Add check for file saver dialog

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

@@ -0,0 +1,14 @@
+package app.myzel394.alibi.helpers
+
+import android.content.Context
+import android.content.Intent
+
+data class Doctor(
+    val context: Context
+) {
+    fun checkIfFileSaverDialogIsAvailable(): Boolean {
+        val fileSaver = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
+
+        return fileSaver.resolveActivity(context.packageManager) != null
+    }
+}

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

@@ -231,9 +231,10 @@ class AudioRecorderService :
     // ==== Microphone related ====
     private fun resetRecorder() {
         runCatching {
-            recorder?.let {
-                it.stop()
-                it.release()
+            recorder?.apply {
+                stop()
+                reset()
+                release()
             }
             clearAudioDevice()
             batchesFolder.cleanup()

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

@@ -40,9 +40,10 @@ abstract class IntervalRecorderService<I, B : BatchesFolder> :
 
     override fun start() {
         super.start()
+
         batchesFolder.initFolders()
+
         if (!batchesFolder.checkIfFolderIsAccessible()) {
-            // TODO: Add handler
             onBatchesFolderNotAccessible()
         }
 

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

@@ -305,7 +305,7 @@ class VideoRecorderService :
     }
 
     class CameraControl(
-        private val camera: Camera,
+        val camera: Camera
     ) {
         fun enableTorch() {
             camera.cameraControl.enableTorch(true)

app/src/main/java/app/myzel394/alibi/ui/LockedAppHandlers.kt

@@ -1,12 +1,25 @@
 package app.myzel394.alibi.ui
 
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Error
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 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.remember
+import androidx.compose.runtime.setValue
 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.helpers.Doctor
 
 // Handlers that can safely be run when the app is locked (biometric authentication required)
 @Composable
@@ -29,4 +42,43 @@ fun LockedAppHandlers() {
             }
         }
     }
+
+    var showFileSaverUnavailableDialog by remember { mutableStateOf(false) }
+
+    LaunchedEffect(Unit) {
+        val doctor = Doctor(context)
+
+        if (!doctor.checkIfFileSaverDialogIsAvailable()) {
+            showFileSaverUnavailableDialog = true
+        }
+    }
+
+    if (showFileSaverUnavailableDialog) {
+        AlertDialog(
+            icon = {
+                Icon(
+                    Icons.Default.Error,
+                    contentDescription = null
+                )
+            },
+            onDismissRequest = {
+                showFileSaverUnavailableDialog = false
+            },
+            title = {
+                Text(stringResource(R.string.ui_severeError_fileSaverUnavailable_title))
+            },
+            text = {
+                Text(stringResource(R.string.ui_severeError_fileSaverUnavailable_text))
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        showFileSaverUnavailableDialog = false
+                    }
+                ) {
+                    Text(text = stringResource(R.string.dialog_close_neutral_label))
+                }
+            }
+        )
+    }
 }

app/src/main/java/app/myzel394/alibi/ui/components/SettingsScreen/Tiles/VideoRecorderQualityTile.kt

@@ -2,6 +2,7 @@ package app.myzel394.alibi.ui.components.SettingsScreen.Tiles
 
 import android.media.MediaRecorder
 import androidx.camera.video.Quality
+import androidx.camera.video.Recorder
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.HighQuality
 import androidx.compose.material3.Button

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

@@ -13,6 +13,7 @@ import androidx.documentfile.provider.DocumentFile
 import app.myzel394.alibi.db.AppSettings
 import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.enums.RecorderState
+import app.myzel394.alibi.helpers.Doctor
 import app.myzel394.alibi.helpers.VideoBatchesFolder
 import app.myzel394.alibi.services.VideoRecorderService
 import app.myzel394.alibi.ui.RECORDER_MEDIA_SELECTED_VALUE

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

@@ -30,7 +30,6 @@ import app.myzel394.alibi.db.AppSettings
 import app.myzel394.alibi.db.RecordingInformation
 import app.myzel394.alibi.ui.components.RecorderScreen.organisms.RecorderEventsHandler
 import app.myzel394.alibi.ui.components.RecorderScreen.organisms.VideoRecordingStatus
-import app.myzel394.alibi.ui.effects.rememberSettings
 import app.myzel394.alibi.ui.models.AudioRecorderModel
 import app.myzel394.alibi.ui.models.VideoRecorderModel
 

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

@@ -177,4 +177,6 @@
     <string name="ui_settings_option_saveFolder_externalPermissionRequired_text">To access the DCIM folder, you need to grant Alibi the permission to access external storage. Alibi will only use this permission to write your recordings to the DCIM folder.</string>
     <string name="ui_settings_option_saveFolder_externalPermissionRequired_action_confirm">Grant permission</string>
     <string name="ui_audioRecorder_error_batchesInaccessible_description">Alibi couldn\'t access or write to the batches folder. Try to choose a different folder or use the internal storage instead. The recording has been aborted.</string>
+    <string name="ui_severeError_fileSaverUnavailable_title">File Manager app not found</string>
+    <string name="ui_severeError_fileSaverUnavailable_text">Alibi couldn\'t find a file manager app on your phone. Please install a file manager app and try again. If this message still appears, you can try using a custom batches folder in the advanced settings section. Alibi may not fully work on your device.</string>
 </resources>