public class Cocos2dxActivity extends NativeActivity{
.......
public static native void exitGame();   // 这里必须是native函数，因为要链接c＋＋的实现
.......
}




extern "C"
{
    JNIEXPORT void JNICALL Java_com_qmx_road2god_Cocos2dxActivity_exitGame(JNIEnv*  env, jobject thiz)
    {
        Director::getInstance()->end();
	pc_client_destroy(my_pomelo_client);
    }
}


public class Cocos2dxActivity extends NativeActivity{	
	static { System.loadLibrary("cocos2dcpp"); }   // 可以在这里调用
	
	@Override
	protected void onCreate(Bundle savedInstanceState) 
	{