diff --git a/platform/android/java/lib/src/org/godotengine/godot/FullScreenGodotApp.java b/platform/android/java/lib/src/org/godotengine/godot/FullScreenGodotApp.java index 89497d15269..ad7048cbf3a 100644 --- a/platform/android/java/lib/src/org/godotengine/godot/FullScreenGodotApp.java +++ b/platform/android/java/lib/src/org/godotengine/godot/FullScreenGodotApp.java @@ -32,11 +32,12 @@ package org.godotengine.godot; import android.content.Intent; import android.os.Bundle; -import android.view.KeyEvent; +import android.util.Log; import androidx.annotation.CallSuper; import androidx.annotation.NonNull; import androidx.annotation.Nullable; +import androidx.fragment.app.Fragment; import androidx.fragment.app.FragmentActivity; /** @@ -46,6 +47,8 @@ import androidx.fragment.app.FragmentActivity; * within an Android app. */ public abstract class FullScreenGodotApp extends FragmentActivity implements GodotHost { + private static final String TAG = FullScreenGodotApp.class.getSimpleName(); + @Nullable private Godot godotFragment; @@ -53,12 +56,33 @@ public abstract class FullScreenGodotApp extends FragmentActivity implements God public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.godot_app_layout); - godotFragment = initGodotInstance(); - if (godotFragment == null) { - throw new IllegalStateException("Godot instance must be non-null."); - } - getSupportFragmentManager().beginTransaction().replace(R.id.godot_fragment_container, godotFragment).setPrimaryNavigationFragment(godotFragment).commitNowAllowingStateLoss(); + Fragment currentFragment = getSupportFragmentManager().findFragmentById(R.id.godot_fragment_container); + if (currentFragment instanceof Godot) { + Log.v(TAG, "Reusing existing Godot fragment instance."); + godotFragment = (Godot)currentFragment; + } else { + Log.v(TAG, "Creating new Godot fragment instance."); + godotFragment = initGodotInstance(); + if (godotFragment == null) { + throw new IllegalStateException("Godot instance must be non-null."); + } + + getSupportFragmentManager().beginTransaction().replace(R.id.godot_fragment_container, godotFragment).setPrimaryNavigationFragment(godotFragment).commitNowAllowingStateLoss(); + } + } + + @Override + public void onDestroy() { + super.onDestroy(); + onGodotForceQuit(godotFragment); + } + + @Override + public final void onGodotForceQuit(Godot instance) { + if (instance == godotFragment) { + System.exit(0); + } } @Override diff --git a/platform/android/java/lib/src/org/godotengine/godot/Godot.java b/platform/android/java/lib/src/org/godotengine/godot/Godot.java index 70bcaaf8100..d1454d565cb 100644 --- a/platform/android/java/lib/src/org/godotengine/godot/Godot.java +++ b/platform/android/java/lib/src/org/godotengine/godot/Godot.java @@ -762,8 +762,6 @@ public class Godot extends Fragment implements SensorEventListener, IDownloaderC super.onDestroy(); - // TODO: This is a temp solution. The proper fix will involve tracking down and properly shutting down each - // native Godot components that is started in Godot#onVideoInit. forceQuit(); } @@ -960,7 +958,11 @@ public class Godot extends Fragment implements SensorEventListener, IDownloaderC } private void forceQuit() { - System.exit(0); + // TODO: This is a temp solution. The proper fix will involve tracking down and properly shutting down each + // native Godot components that is started in Godot#onVideoInit. + if (godotHost != null) { + godotHost.onGodotForceQuit(this); + } } private boolean obbIsCorrupted(String f, String main_pack_md5) { diff --git a/platform/android/java/lib/src/org/godotengine/godot/GodotHost.java b/platform/android/java/lib/src/org/godotengine/godot/GodotHost.java index 317fd135353..58e982c569e 100644 --- a/platform/android/java/lib/src/org/godotengine/godot/GodotHost.java +++ b/platform/android/java/lib/src/org/godotengine/godot/GodotHost.java @@ -53,4 +53,9 @@ public interface GodotHost { * Invoked on the render thread when the Godot main loop has started. */ default void onGodotMainLoopStarted() {} + + /** + * Invoked on the UI thread as the last step of the Godot instance clean up phase. + */ + default void onGodotForceQuit(Godot instance) {} }