我在AndEngine中使用了一个定时器,但它在我身上抛出了这个错误。AndEngine使用定时器时出错
下面是从中抛出的错误方法:
public void onPopulateScene(Scene pScene,
OnPopulateSceneCallback pOnPopulateSceneCallback) throws Exception {
mEngine.registerUpdateHandler(new TimerHandler(3f,
new ITimerCallback() {
@Override
public void onTimePassed(final TimerHandler pTimerHandler) {
SceneManager.getInstance().createMenuScene();
mEngine.unregisterUpdateHandler(pTimerHandler);
}
}));
pOnPopulateSceneCallback.onPopulateSceneFinished();
}
我的引擎类就追踪到这条线的位置:
} finally {
this.mEngineLock.unlock();
}
谁能帮助?
02-21 03:39:55.056: E/AndroidRuntime(27796): FATAL EXCEPTION: UpdateThread
02-21 03:39:55.056: E/AndroidRuntime(27796): java.lang.NullPointerException
02-21 03:39:55.056: E/AndroidRuntime(27796): at edu.ian.andenginetest.SceneManager.disposeSplashScene(SceneManager.java:50)
02-21 03:39:55.056: E/AndroidRuntime(27796): at edu.ian.andenginetest.SceneManager.createMenuScene(SceneManager.java:57)
02-21 03:39:55.056: E/AndroidRuntime(27796): at edu.ian.andenginetest.MainActivity$1.onTimePassed(MainActivity.java:73)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.handler.timer.TimerHandler.onUpdate(TimerHandler.java:98)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.handler.UpdateHandlerList.onUpdate(UpdateHandlerList.java:47)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.Engine.onUpdateUpdateHandlers(Engine.java:597)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.Engine.onUpdate(Engine.java:585)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.LimitedFPSEngine.onUpdate(LimitedFPSEngine.java:56)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.Engine.onTickUpdate(Engine.java:548)
02-21 03:39:55.056: E/AndroidRuntime(27796): at org.andengine.engine.Engine$UpdateThread.run(Engine.java:820)
下面是GitHub的链接提交我的代码:https://github.com/mkaziz/EECS-499---Android-Shooter/commit/63dab77fe43f70543b06ea6436249c8401b339bc
感谢您的回应!我相信'OnTimePassed()'本质上等同于'onFinished()'。我创建一个实例的特定接口甚至没有任何其他方法。 – khalid13 2013-02-22 01:06:18
@ khalid13让我知道是否通过移动到更新线程来解决问题。 – 2013-02-22 01:25:41
@khalid看起来像有正确的答案。你没有告诉我们关于github代码! – 2013-02-22 02:52:01