新增返回按钮提示

native/engine/android/app/src/com/cocos/game/AppActivity.java

@@ -94,10 +94,11 @@ public class AppActivity extends CocosActivity {
     public void onBackPressed() {
         long timeMillis = System.currentTimeMillis();
         if (timeMillis - lastBackPressedTime < 2000) {
-            Toast.makeText(this, "再按一次退出游戏", Toast.LENGTH_SHORT).show();
-        } else {
             SDKWrapper.shared().onBackPressed();
             super.onBackPressed();
+        } else {
+            lastBackPressedTime = timeMillis;
+            Toast.makeText(this, "再按一次退出游戏", Toast.LENGTH_SHORT).show();
         }
     }