Replace the system UI visibility flags with WindowCompat calls.

Author: Isira-Seneviratne

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -27,7 +27,6 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -55,6 +54,9 @@
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.core.content.ContextCompat;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
+import androidx.core.view.WindowInsetsControllerCompat;
 import androidx.preference.PreferenceManager;
 
 import com.google.android.exoplayer2.PlaybackException;
@@ -1962,15 +1964,17 @@ private void showSystemUi() {
             return;
         }
 
-        // Prevent jumping of the player on devices with cutout
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-            activity.getWindow().getAttributes().layoutInDisplayCutoutMode =
-                    WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_DEFAULT;
-        }
-        activity.getWindow().getDecorView().setSystemUiVisibility(0);
-        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
-        activity.getWindow().setStatusBarColor(ThemeHelper.resolveColorFromAttr(
-                requireContext(), android.R.attr.colorPrimary));
+        final var window = activity.getWindow();
+        final var windowInsetsController = WindowCompat.getInsetsController(window,
+                window.getDecorView());
+
+        WindowCompat.setDecorFitsSystemWindows(window, true);
+        windowInsetsController.setSystemBarsBehavior(WindowInsetsControllerCompat
+                .BEHAVIOR_SHOW_BARS_BY_TOUCH);
+        windowInsetsController.show(WindowInsetsCompat.Type.systemBars());
+
+        window.setStatusBarColor(ThemeHelper.resolveColorFromAttr(requireContext(),
+                android.R.attr.colorPrimary));
     }
 
     private void hideSystemUi() {
@@ -1982,30 +1986,19 @@ private void hideSystemUi() {
             return;
         }
 
-        // Prevent jumping of the player on devices with cutout
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-            activity.getWindow().getAttributes().layoutInDisplayCutoutMode =
-                    WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
-        }
-        int visibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
-                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
-                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
+        final var window = activity.getWindow();
+        final var windowInsetsController = WindowCompat.getInsetsController(window,
+                window.getDecorView());
 
-        // In multiWindow mode status bar is not transparent for devices with cutout
-        // if I include this flag. So without it is better in this case
-        final boolean isInMultiWindow = DeviceUtils.isInMultiWindow(activity);
-        if (!isInMultiWindow) {
-            visibility |= View.SYSTEM_UI_FLAG_FULLSCREEN;
-        }
-        activity.getWindow().getDecorView().setSystemUiVisibility(visibility);
+        WindowCompat.setDecorFitsSystemWindows(window, false);
+        windowInsetsController.setSystemBarsBehavior(WindowInsetsControllerCompat
+                .BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
+        windowInsetsController.hide(WindowInsetsCompat.Type.systemBars());
 
-        if (isInMultiWindow || isFullscreen()) {
-            activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
-            activity.getWindow().setNavigationBarColor(Color.TRANSPARENT);
+        if (DeviceUtils.isInMultiWindow(activity) || isFullscreen()) {
+            window.setStatusBarColor(Color.TRANSPARENT);
+            window.setNavigationBarColor(Color.TRANSPARENT);
         }
-        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
     }
 
     // Listener implementation

app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java

@@ -32,14 +32,15 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewParent;
-import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.content.res.AppCompatResources;
+import androidx.core.view.WindowCompat;
+import androidx.core.view.WindowInsetsCompat;
 import androidx.fragment.app.FragmentActivity;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
@@ -451,11 +452,9 @@ public void showSystemUIPartially() {
             getParentActivity().map(Activity::getWindow).ifPresent(window -> {
                 window.setStatusBarColor(Color.TRANSPARENT);
                 window.setNavigationBarColor(Color.TRANSPARENT);
-                final int visibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
-                window.getDecorView().setSystemUiVisibility(visibility);
-                window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                WindowCompat.setDecorFitsSystemWindows(window, false);
+                WindowCompat.getInsetsController(window, window.getDecorView())
+                        .show(WindowInsetsCompat.Type.systemBars());
             });
         }
     }