0.1.0-2-beta.1.fix.3

Android/common/src/main/java/com/sasedev/games/common/NativeBridge.java

@@ -1,11 +1,11 @@
 // file: Android/common/src/main/java/com/sasedev/games/common/NativeBridge.java
-// version: 2
+// version: 3
 
 package com.sasedev.games.common;
 
 /** Stable Java/JNI platform bridge contract shared by Android game applications. */
 public final class NativeBridge {
-    private static final int CONTRACT_VERSION = 1;
+    private static final int CONTRACT_VERSION = 2;
 
     private NativeBridge() {
     }
@@ -26,6 +26,9 @@ public final class NativeBridge {
      */
     public static native int nativeContractVersion();
 
+    /** Sends a platform-native Back request to the Rust SDL runtime. */
+    private static native void nativeRequestPlatformBack();
+
     /** Verifies that the loaded native bridge matches the Java contract. */
     public static void requireCompatibleContract() {
         final int nativeVersion = nativeContractVersion();
@@ -34,4 +37,9 @@ public final class NativeBridge {
                     "Native bridge contract mismatch: java=" + CONTRACT_VERSION + ", native=" + nativeVersion);
         }
     }
+
+    /** Requests Back through the common Rust engine quit policy. */
+    public static void requestPlatformBack() {
+        nativeRequestPlatformBack();
+    }
 }

Android/common/src/main/java/com/sasedev/games/common/SaseGameActivity.java

@@ -1,8 +1,9 @@
 // file: Android/common/src/main/java/com/sasedev/games/common/SaseGameActivity.java
-// version: 4
+// version: 5
 
 package com.sasedev.games.common;
 
+import android.os.Build;
 import android.os.Bundle;
 
 /**
@@ -17,6 +18,16 @@ public abstract class SaseGameActivity extends org.libsdl.app.SDLActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         NativeBridge.requireCompatibleContract();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            Api33BackHandler.register(this);
+        }
+    }
+
+    /** {@inheritDoc} */
+    @SuppressWarnings("deprecation")
+    @Override
+    public void onBackPressed() {
+        NativeBridge.requestPlatformBack();
     }
 
     /** {@inheritDoc} */
@@ -31,4 +42,16 @@ public abstract class SaseGameActivity extends org.libsdl.app.SDLActivity {
      * @return game identifier
      */
     public abstract String gameId();
+
+    /** API 33+ predictive Back bridge isolated from pre-33 class loading. */
+    private static final class Api33BackHandler {
+        private Api33BackHandler() {
+        }
+
+        static void register(SaseGameActivity activity) {
+            activity.getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
+                    android.window.OnBackInvokedDispatcher.PRIORITY_DEFAULT,
+                    NativeBridge::requestPlatformBack);
+        }
+    }
 }

Android/game-reflex-poc/build.gradle

@@ -1,5 +1,5 @@
 // file: Android/game-reflex-poc/build.gradle
-// version: 19
+// version: 20
 
 plugins {
     id 'com.android.application'
@@ -18,7 +18,7 @@ android {
         minSdk 21
         targetSdk 36
         versionCode 1
-        versionName '0.1.0-2-beta.1.fix.2'
+        versionName '0.1.0-2-beta.1.fix.3'
     }
 
     compileOptions {

Android/game-snake-poc/build.gradle

@@ -1,5 +1,5 @@
 // file: Android/game-snake-poc/build.gradle
-// version: 19
+// version: 20
 
 plugins {
     id 'com.android.application'
@@ -18,7 +18,7 @@ android {
         minSdk 21
         targetSdk 36
         versionCode 1
-        versionName '0.1.0-2-beta.1.fix.2'
+        versionName '0.1.0-2-beta.1.fix.3'
     }
 
     compileOptions {