android 计时器工具类,Android中通用定时器--好用的工具
package com.utility.common;
import android.os.Handler;
import android.os.Message;
public class BaseTimer {
private TimerCallBacktimerCallBack = null;
private boolean timerRun = false;
private boolean bInterval = false;
private long curMsecond = 0;
/**
* 回調(diào)接口定義
*/
public interface TimerCallBack
{
public void callback();
}
private Handler timerHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
if(timerCallBack!=null)
{
timerCallBack.callback();
}
timerRun = false;
if(bInterval)
{
startTimer(curMsecond,timerCallBack);
bInterval = true;
}
super.handleMessage(msg);
}
};
private Runnable keyRunnable = new Runnable(){
@Override
public void run() {
timerHandler.sendEmptyMessage(0);
}
};
/**
* 關(guān)閉定時(shí)器
*/
public void killTimer()
{
bInterval = false;
timerRun = false;
try {
timerHandler.removeCallbacks(keyRunnable);
} catch (Exception e) {
}
}
/**
* 啟動(dòng)延時(shí)器
* @param msecond 毫秒
* @param cb回調(diào)函數(shù)
*/
public void startTimer(int msecond,TimerCallBack cb)
{
killTimer();
curMsecond = msecond;
timerRun = true;
timerCallBack = cb;
timerHandler.postDelayed(keyRunnable, curMsecond);
}
/**
* 啟動(dòng)延時(shí)器
* @param msecond 毫秒
* @param cb回調(diào)函數(shù)
*/
public void startTimer(long msecond,TimerCallBack cb)
{
killTimer();
timerRun = true;
timerCallBack = cb;
timerHandler.postDelayed(keyRunnable, msecond);
}
/**
* 啟動(dòng)定時(shí)器
* @param msecond 毫秒
* @param cb回調(diào)函數(shù)
*/
public void startInterval(int msecond,TimerCallBack cb)
{
startTimer(msecond,cb);
bInterval = true;
}
/**
* 獲取定時(shí)器是否運(yùn)行
*/
public boolean isRunning()
{
return timerRun;
}
}
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