adding some initial folder un/locking related code

app/build.gradle

@@ -61,7 +61,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.14.3'
+    implementation 'com.simplemobiletools:commons:5.14.6'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.8.0'
     implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'it.sephiroth.android.exif:library:1.0.1'

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt

@@ -12,10 +12,7 @@ import com.bumptech.glide.Glide
 import com.google.gson.Gson
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
-import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.dialogs.*
-import com.simplemobiletools.commons.dialogs.PropertiesDialog
-import com.simplemobiletools.commons.dialogs.RenameItemDialog
-import com.simplemobiletools.commons.dialogs.RenameItemsDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.helpers.isOreoPlus
@@ -81,6 +78,9 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
             findItem(R.id.cab_rename).isVisible = !selectedPaths.contains(FAVORITES) && !selectedPaths.contains(RECYCLE_BIN)
             findItem(R.id.cab_change_cover_image).isVisible = isOneItemSelected
 
+            findItem(R.id.cab_lock).isVisible = selectedPaths.any { !config.isFolderProtected(it) }
+            findItem(R.id.cab_unlock).isVisible = selectedPaths.any { config.isFolderProtected(it) }
+
             findItem(R.id.cab_empty_recycle_bin).isVisible = isOneItemSelected && selectedPaths.first() == RECYCLE_BIN
             findItem(R.id.cab_empty_disable_recycle_bin).isVisible = isOneItemSelected && selectedPaths.first() == RECYCLE_BIN
 
@@ -106,6 +106,8 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
             R.id.cab_hide -> toggleFoldersVisibility(true)
             R.id.cab_unhide -> toggleFoldersVisibility(false)
             R.id.cab_exclude -> tryExcludeFolder()
+            R.id.cab_lock -> tryLockFolder()
+            R.id.cab_unlock -> unlockFolder()
             R.id.cab_copy_to -> copyMoveTo(true)
             R.id.cab_move_to -> moveFilesTo()
             R.id.cab_select_all -> selectAll()
@@ -310,6 +312,24 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
         }
     }
 
+    private fun tryLockFolder() {
+        if (config.wasFolderLockingNoticeShown) {
+            lockFolder()
+        } else {
+            FolderLockingNoticeDialog(activity) {
+                lockFolder()
+            }
+        }
+    }
+
+    private fun lockFolder() {
+
+    }
+
+    private fun unlockFolder() {
+
+    }
+
     private fun pinFolders(pin: Boolean) {
         if (pin) {
             config.addPinnedFolders(getSelectedPaths().toHashSet())

app/src/main/kotlin/com/simplemobiletools/gallery/pro/helpers/Config.kt

@@ -380,7 +380,7 @@ class Config(context: Context) : BaseConfig(context) {
     }
 
     fun saveLastVideoPosition(path: String, value: Int) {
-        if (!path.isEmpty()) {
+        if (path.isNotEmpty()) {
             prefs.edit().putInt("$LAST_VIDEO_POSITION_PREFIX${path.toLowerCase()}", value).apply()
         }
     }

app/src/main/res/menu/cab_directories.xml

@@ -48,6 +48,14 @@
         android:id="@+id/cab_exclude"
         android:title="@string/exclude"
         app:showAsAction="never"/>
+    <item
+        android:id="@+id/cab_lock"
+        android:title="@string/lock_folder"
+        app:showAsAction="never"/>
+    <item
+        android:id="@+id/cab_unlock"
+        android:title="@string/unlock_folder"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/cab_select_all"
         android:icon="@drawable/ic_select_all"