immersive video player

app/src/main/java/asgardius/page/s3manager/VideoPlayer.java

@@ -3,6 +3,7 @@ package asgardius.page.s3manager;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
+import android.view.View;
 
 import com.google.android.exoplayer2.ExoPlayer;
 import com.google.android.exoplayer2.MediaItem;
@@ -50,6 +51,22 @@ public class VideoPlayer extends AppCompatActivity {
         }
     }
 
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+
+
+        View decorView = getWindow().getDecorView();
+        decorView.setSystemUiVisibility(
+                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                        | View.SYSTEM_UI_FLAG_FULLSCREEN
+                        | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
+
+    }
+
     public void onBackPressed() {
         player.release();
         finish();

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

@@ -14,7 +14,9 @@
     <com.google.android.exoplayer2.ui.StyledPlayerView
         android:id="@+id/player_view"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"/>
+        android:layout_height="match_parent"
+        android:keepScreenOn="true"
+        android:padding="0dp"/>
 
 
 </FrameLayout>