自己写的按钮点击倒计时控件

public class TimerButton extends Button implements OnClickListener {


private int countDown = 60;
private Timer  timer;
private TimerTask  timerTask;
private Context  mContext;
private String  textAfter="秒后重新获取";
private String  textbefore="点击获取验证码";
private OnClickListener mOnClickListener;
public OnClickListener getmOnClickListener() {
return mOnClickListener;
}


public void setmOnClickListener(OnClickListener mOnClickListener) {
if(mOnClickListener instanceof TimerButton){
super.setOnClickListener(mOnClickListener);
}else{
this.mOnClickListener=mOnClickListener;
}
}
    public  void  onDestory(){
     
    }
private Handler mHandler = new Handler() {
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case 0x1011:
TimerButton.this.setText(countDown-- + textAfter);
if(countDown<0){
setEnabled(true);
setText(textbefore);
clearTime();
}
break;
default:
break;
}
};
};


public TimerButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
}


public TimerButton(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
setOnClickListener(this);
mContext=context;
}


public TimerButton(Context context) {
super(context);
// TODO Auto-generated constructor stub
}


@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(mOnClickListener!=null){
mOnClickListener.onClick(v);
}
initTimer();
setEnabled(false);
setText(countDown+textAfter);
timer.schedule(timerTask, 0, 1000);
}
    public void  clearTime(){
    if(timer!=null){
    timer.cancel();
    timer=null;
    }
    if(timerTask!=null){
    timerTask.cancel();
    timerTask=null;
    }
    }
private void initTimer() {
// TODO Auto-generated method stub
countDown=60;
timer=new Timer();
timerTask=new  TimerTask() {

@Override
public void run() {
// TODO Auto-generated method stub
mHandler.sendEmptyMessage(0x1011);
}
};
}

}