Fix Android backgrounding & re-hide bars after swipe

CMakeLists.txt

@@ -115,10 +115,6 @@ option(DUSK_ENABLE_UPDATE_CHECKER "Enable update checking support" ON)
 
 if(ANDROID)
     set(DUSK_MOVIE_SUPPORT OFF)
-    set(NOD_COMPRESS_BZIP2 OFF CACHE BOOL "" FORCE)
-    set(NOD_COMPRESS_LZMA OFF CACHE BOOL "" FORCE)
-    set(NOD_COMPRESS_ZLIB OFF CACHE BOOL "" FORCE)
-    set(NOD_COMPRESS_ZSTD OFF CACHE BOOL "" FORCE)
 endif ()
 
 option(DUSK_ENABLE_SENTRY_NATIVE "Enable sentry-native crash reporting support" OFF)

platforms/android/app/src/main/java/com/twilitrealm/dusk/DuskActivity.java

@@ -10,6 +10,7 @@ import android.os.Bundle;
 import android.provider.OpenableColumns;
 import android.util.Log;
 import android.view.View;
+import android.view.Window;
 import android.view.WindowInsets;
 import android.view.WindowInsetsController;
 
@@ -70,19 +71,42 @@ public class DuskActivity extends SDLActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        hideSystemBars();
+    }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        hideSystemBars();
+    }
+
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if (hasFocus) {
+            hideSystemBars();
+        }
+    }
+
+    private void hideSystemBars() {
+        Window window = getWindow();
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-            WindowInsetsController ctrl = getWindow().getDecorView().getWindowInsetsController();
+            window.setDecorFitsSystemWindows(false);
+            WindowInsetsController ctrl = window.getDecorView().getWindowInsetsController();
             if (ctrl != null) {
+                ctrl.setSystemBarsBehavior(
+                    WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
                 ctrl.hide(WindowInsets.Type.systemBars());
             }
-        }else {
-            View decorView = getWindow().getDecorView();
-            // Hide the status bar.
-            int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN;
+        } else {
+            View decorView = window.getDecorView();
+            int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN |
+                View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+                View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
+                View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
+                View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
+                View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
             decorView.setSystemUiVisibility(uiOptions);
-            // Remember that you should never show the action bar if the
-            // status bar is hidden, so hide that too if necessary.
             ActionBar actionBar = getActionBar();
             if (actionBar != null) {
                 actionBar.hide();

platforms/android/app/src/main/java/org/libsdl/app/SDLSurface.java

@@ -35,6 +35,8 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     View.OnApplyWindowInsetsListener, View.OnKeyListener, View.OnTouchListener,
     SensorEventListener, ScaleGestureDetector.OnScaleGestureListener {
 
+    private static native void auroraNativeSetSurfaceReady(boolean ready);
+
     // Sensors
     protected SensorManager mSensorManager;
     protected Display mDisplay;
@@ -96,6 +98,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     @Override
     public void surfaceCreated(SurfaceHolder holder) {
         Log.v("SDL", "surfaceCreated()");
+        auroraNativeSetSurfaceReady(false);
         SDLActivity.onNativeSurfaceCreated();
     }
 
@@ -103,6 +106,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     @Override
     public void surfaceDestroyed(SurfaceHolder holder) {
         Log.v("SDL", "surfaceDestroyed()");
+        auroraNativeSetSurfaceReady(false);
 
         // Transition to pause, if needed
         SDLActivity.mNextNativeState = SDLActivity.NativeState.PAUSED;
@@ -192,6 +196,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
 
         /* Surface is ready */
         mIsSurfaceReady = true;
+        auroraNativeSetSurfaceReady(true);
 
         SDLActivity.mNextNativeState = SDLActivity.NativeState.RESUMED;
         SDLActivity.handleNativeState();