Android中几种延后处理事件的步骤_Android

Android中几种延后处理事件的方法

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一、Handler和TimerTask相结合??

1、首先定义TimerTask

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TimerTask?task?=?new?TimerTask(){????
??public?void?run()?{????
??????Message?message?=?new?Message();????????
??????message.what?=?1;????????
??????handler.sendMessage(message);??????
??}????
??????
};??

2、定义Handler

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Handler?handler?=?new?Handler()?{??
????public?void?handleMessage(Message?msg)?{??
????????switch?(msg.what)?{??
????????case?1:??
????????????break;??
????????}??
????????super.handleMessage(msg);??
????}??
};??

3、用timer调用事件

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Timer?timer?=?new?Timer();???
timer.schedule(task,?50);??

二、Android中自带的postDelayed

1、android view中的postDelayed

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v.postDelayed(new?Runnable()?{??
????????????????????public?void?run()?{??
?????
????????????????????}??
????????????????},?30);??

2、Handler中的postDelayed

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handler.postDelayed(new?Runnable()?{??
????????????????????public?void?run()?{??
?????
????????????????????}??
????????????????},?30); ?