Auto gocryptfs cipher by default & Fix FileOperationsService notification permission request

app/build.gradle

@@ -116,7 +116,6 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-process:$lifecycle_version"
 
-    implementation "androidx.sqlite:sqlite-ktx:2.4.0"
     implementation "androidx.preference:preference-ktx:1.2.1"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation 'com.google.android.material:material:1.12.0'
@@ -128,14 +127,14 @@ dependencies {
     implementation "androidx.media3:media3-ui:$media3_version"
     implementation "androidx.media3:media3-datasource:$media3_version"
 
-    implementation "androidx.concurrent:concurrent-futures:1.1.0"
-
     def camerax_version = "1.3.3"
     implementation "androidx.camera:camera-camera2:$camerax_version"
     implementation "androidx.camera:camera-lifecycle:$camerax_version"
     implementation "androidx.camera:camera-view:$camerax_version"
     implementation "androidx.camera:camera-extensions:$camerax_version"
 
+    // dependencies needed by CameraX patch
+    implementation "androidx.concurrent:concurrent-futures:1.1.0"
     def autoValueVersion = '1.10.4'
     implementation "com.google.auto.value:auto-value-annotations:$autoValueVersion"
     annotationProcessor "com.google.auto.value:auto-value:$autoValueVersion"

app/src/main/java/sushi/hardcore/droidfs/MainActivity.kt

@@ -299,6 +299,7 @@ class MainActivity : BaseActivity(), VolumeAdapter.Listener {
                 selectedVolumePosition = volumeAdapter.selectedItems.elementAt(0)
                 val volume = volumeAdapter.volumes[selectedVolumePosition!!]
                 if (volume.isHidden) {
+                    (application as VolumeManagerApp).isStartingExternalApp = true
                     PathUtils.safePickDirectory(pickDirectory, this, theme)
                 } else {
                     val hiddenVolumeFile = File(VolumeData.getHiddenVolumeFullPath(filesDir.path, volume.shortName))

app/src/main/java/sushi/hardcore/droidfs/add_volume/CreateVolumeFragment.kt

@@ -175,9 +175,9 @@ class CreateVolumeFragment: Fragment() {
                         volumeFile.mkdirs()
                     val result = if (volumeTypes[binding.spinnerVolumeType.selectedItemPosition] == resources.getString(R.string.gocryptfs)) {
                         val xchacha = when (binding.spinnerCipher.selectedItemPosition) {
-                            0 -> 0
-                            1 -> 1
-                            else -> -1
+                            0 -> -1   // auto
+                            1 -> 0    // AES-GCM
+                            else -> 1 // XChaCha20-Poly1305
                         }
                         generateResult(GocryptfsVolume.createAndOpenVolume(
                             volumePath,

app/src/main/java/sushi/hardcore/droidfs/file_operations/FileOperationService.kt

@@ -17,12 +17,13 @@ import android.os.Bundle
 import android.os.IBinder
 import android.provider.Settings
 import android.util.Log
-import androidx.activity.result.ActivityResultLauncher
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.ServiceCompat
 import androidx.core.content.ContextCompat
 import androidx.documentfile.provider.DocumentFile
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers
@@ -90,14 +91,27 @@ class FileOperationService : Service() {
          */
         fun bind(activity: BaseActivity, onBound: (FileOperationService) -> Unit) {
             val helper = AndroidUtils.NotificationPermissionHelper(activity)
-            activity.bindService(Intent(activity, FileOperationService::class.java), object : ServiceConnection {
+            lateinit var service: FileOperationService
+            val serviceConnection = object : ServiceConnection {
                 override fun onServiceConnected(className: ComponentName, binder: IBinder) {
                     onBound((binder as FileOperationService.LocalBinder).getService().also {
-                        it.notificationPermissionHelper = helper
+                        service = it
+                        it.notificationPermissionHelpers.addLast(helper)
                     })
                 }
                 override fun onServiceDisconnected(arg0: ComponentName) {}
-            }, Context.BIND_AUTO_CREATE)
+            }
+            activity.lifecycle.addObserver(object : DefaultLifecycleObserver {
+                override fun onDestroy(owner: LifecycleOwner) {
+                    activity.unbindService(serviceConnection)
+                    service.notificationPermissionHelpers.removeLast()
+                }
+            })
+            activity.bindService(
+                Intent(activity, FileOperationService::class.java),
+                serviceConnection,
+                Context.BIND_AUTO_CREATE
+            )
         }
     }
 
@@ -105,7 +119,7 @@ class FileOperationService : Service() {
     private val binder = LocalBinder()
     private lateinit var volumeManger: VolumeManager
     private var serviceScope = MainScope()
-    private lateinit var notificationPermissionHelper: AndroidUtils.NotificationPermissionHelper<BaseActivity>
+    private val notificationPermissionHelpers = ArrayDeque<AndroidUtils.NotificationPermissionHelper<BaseActivity>>(2)
     private var askForNotificationPermission = true
     private lateinit var notificationManager: NotificationManagerCompat
     private val notifications = HashMap<Int, NotificationCompat.Builder>()
@@ -293,16 +307,17 @@ class FileOperationService : Service() {
             }
             pendingTask = task
             if (askForNotificationPermission) {
-                notificationPermissionHelper.askAndRun { granted ->
+                with (notificationPermissionHelpers.last()) {
+                    askAndRun { granted ->
                         if (granted) {
                             processPendingTask()
                         } else {
-                        CustomAlertDialogBuilder(notificationPermissionHelper.activity, notificationPermissionHelper.activity.theme)
+                            CustomAlertDialogBuilder(activity, activity.theme)
                                 .setTitle(R.string.warning)
                                 .setMessage(R.string.notification_denied_msg)
                                 .setPositiveButton(R.string.settings) { _, _ ->
                                     (application as VolumeManagerApp).isStartingExternalApp = true
-                                notificationPermissionHelper.activity.startActivity(
+                                    activity.startActivity(
                                         Intent(
                                             Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
                                             Uri.fromParts("package", packageName, null)
@@ -314,6 +329,7 @@ class FileOperationService : Service() {
                                 .show()
                         }
                     }
+                }
                 askForNotificationPermission = false // only ask once per service instance
                 return@suspendCoroutine
             }

app/src/main/java/sushi/hardcore/droidfs/util/AndroidUtils.kt

@@ -7,7 +7,6 @@ import android.content.Context
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.os.Build
-import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
@@ -31,7 +30,7 @@ object AndroidUtils {
      *
      * Must be initialized before [Activity.onCreate].
      */
-    class NotificationPermissionHelper<A: AppCompatActivity>(val activity: A) {
+    class NotificationPermissionHelper<out A: AppCompatActivity>(val activity: A) {
         private var listener: ((Boolean) -> Unit)? = null
         private val launcher = activity.registerForActivityResult(ActivityResultContracts.RequestPermission()) { granted ->
             listener?.invoke(granted)

app/src/main/res/values-ar/arrays.xml

@@ -1,24 +1,4 @@
 <resources>
-    <string-array name="gocryptfs_encryption_ciphers">
-        <item>AES-GCM</item>
-        <item>XChaCha20-Poly1305</item>
-        <item>@string/auto</item>
-    </string-array>
-
-    <string-array name="cryfs_encryption_ciphers">
-        <item>xchacha20-poly1305</item>
-        <item>aes-256-gcm</item>
-        <item>aes-128-gcm</item>
-        <item>twofish-256-gcm</item>
-        <item>twofish-128-gcm</item>
-        <item>serpent-256-gcm</item>
-        <item>serpent-128-gcm</item>
-        <item>cast-256-gcm</item>
-        <item>mars-448-gcm</item>
-        <item>mars-256-gcm</item>
-        <item>mars-128-gcm</item>
-    </string-array>
-
     <string-array name="sort_orders_entries">
         <item>اسم</item>
         <item>حجم</item>

app/src/main/res/values-tr/arrays.xml

@@ -1,24 +1,4 @@
 <resources>
-    <string-array name="gocryptfs_encryption_ciphers">
-        <item>AES-GCM</item>
-        <item>XChaCha20-Poly1305</item>
-        <item>@string/auto</item>
-    </string-array>
-
-    <string-array name="cryfs_encryption_ciphers">
-        <item>xchacha20-poly1305</item>
-        <item>aes-256-gcm</item>
-        <item>aes-128-gcm</item>
-        <item>twofish-256-gcm</item>
-        <item>twofish-128-gcm</item>
-        <item>serpent-256-gcm</item>
-        <item>serpent-128-gcm</item>
-        <item>cast-256-gcm</item>
-        <item>mars-448-gcm</item>
-        <item>mars-256-gcm</item>
-        <item>mars-128-gcm</item>
-    </string-array>
-
     <string-array name="sort_orders_entries">
         <item>Ad</item>
         <item>Boyut</item>

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

@@ -1,8 +1,8 @@
 <resources>
     <string-array name="gocryptfs_encryption_ciphers">
+        <item>@string/auto</item>
         <item>AES-GCM</item>
         <item>XChaCha20-Poly1305</item>
-        <item>@string/auto</item>
     </string-array>
 
     <string-array name="cryfs_encryption_ciphers">