Legacy fullscreen mode option & Button to toggle screen orientation in video player

app/src/main/java/sushi/hardcore/droidfs/file_viewers/FileViewerActivity.kt

@@ -1,6 +1,7 @@
 package sushi.hardcore.droidfs.file_viewers
 
 import android.os.Bundle
+import android.view.View
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
 import sushi.hardcore.droidfs.BaseActivity
@@ -24,6 +25,9 @@ abstract class FileViewerActivity: BaseActivity() {
     private var wasMapped = false
     protected val mappedPlaylist = mutableListOf<ExplorerElement>()
     protected var currentPlaylistIndex = -1
+    private val legacyMod by lazy {
+        sharedPrefs.getBoolean("legacyMod", false)
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -42,8 +46,15 @@ abstract class FileViewerActivity: BaseActivity() {
     }
 
     open fun hideSystemUi() {
+        if (legacyMod) {
+            @Suppress("Deprecation")
+            window.decorView.systemUiVisibility =
+                View.SYSTEM_UI_FLAG_LOW_PROFILE or
+                View.SYSTEM_UI_FLAG_FULLSCREEN
+        } else {
             windowInsetsController.hide(WindowInsetsCompat.Type.statusBars())
         }
+    }
 
     abstract fun getFileType(): String
     abstract fun viewFile()

app/src/main/java/sushi/hardcore/droidfs/file_viewers/VideoPlayer.kt

@@ -19,6 +19,17 @@ class VideoPlayer: MediaPlayer() {
 
     override fun bindPlayer(player: ExoPlayer) {
         binding.videoPlayer.player = player
+        binding.videoPlayer.setControllerVisibilityListener { visibility ->
+            binding.rotateButton.visibility = visibility
+        }
+        binding.rotateButton.setOnClickListener {
+            requestedOrientation =
+                if (requestedOrientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE)
+                    ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+                else
+                    ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
+        }
+
     }
 
     override fun getFileType(): String {

app/src/main/res/drawable/icon_mod.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp"
+android:viewportHeight="24" android:viewportWidth="24"
+android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+<path android:fillColor="?attr/colorAccent"
+    android:pathData="M5,16c0,3.87 3.13,7 7,7s7,-3.13 7,-7v-4L5,12v4zM16.12,4.37l2.1,-2.1 -0.82,-0.83 -2.3,2.31C14.16,3.28 13.12,3 12,3s-2.16,0.28 -3.09,0.75L6.6,1.44l-0.82,0.83 2.1,2.1C6.14,5.64 5,7.68 5,10v1h14v-1c0,-2.32 -1.14,-4.36 -2.88,-5.63zM9,9c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1 1,0.45 1,1 -0.45,1 -1,1zM15,9c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1 1,0.45 1,1 -0.45,1 -1,1z"/>
+</vector>

app/src/main/res/layout/activity_video_player.xml

@@ -1,9 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:gravity="center"
+    android:layoutDirection="ltr"
     android:background="@color/fullScreenBackgroundColor">
 
     <com.google.android.exoplayer2.ui.PlayerView
@@ -14,4 +15,11 @@
         app:show_shuffle_button="true"
         app:repeat_toggle_modes="all|one"/>
 
-</LinearLayout>
+    <ImageButton
+        android:id="@+id/rotate_button"
+        style="@style/ExoMediaButton"
+        android:layout_gravity="top|end"
+        android:layout_marginTop="15dp"
+        android:src="@drawable/icon_screen_rotation"
+        app:tint="@color/white"/>
+</FrameLayout>

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

@@ -190,6 +190,8 @@
     <string name="folders_first_summary">Show folders at the beginning of the list</string>
     <string name="auto_fit_title">Video player screen auto-rotation</string>
     <string name="auto_fit_summary">Auto-rotate the screen to fit video dimensions</string>
+    <string name="legacy_mod_title">Legacy fullscreen mode</string>
+    <string name="legacy_mod_summary">Try this if windowInsetsController doesn\'t work properly on your device (usually not needed)</string>
     <string name="open_tree_failed">No file explorer found. Please install one and retry.</string>
     <string name="close_volume">Close volume</string>
     <string name="sort_by">Sort By</string>

app/src/main/res/xml/root_preferences.xml

@@ -19,6 +19,13 @@
             android:defaultValue="false"
             android:icon="@drawable/icon_screen_rotation"/>
 
+        <SwitchPreferenceCompat
+            android:title="@string/legacy_mod_title"
+            android:summary="@string/legacy_mod_summary"
+            android:key="legacyMod"
+            android:defaultValue="false"
+            android:icon="@drawable/icon_mod"/>
+
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/explorer">