自定义倒计时button代码,Java代码库,德仔网

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【Java】自定义倒计时button
作者:Gilbert / 发布于2015/7/15/ 597
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	package com.lezhi.yuemianqiye.view.customview;
	
	import java.util.Timer;
	import java.util.TimerTask;
	
	import android.content.Context;
	import android.content.res.TypedArray;
	import android.os.Handler;
	import android.os.Message;
	import android.text.TextUtils;
	import android.util.AttributeSet;
	import android.view.View;
	import android.widget.Button;
	
	import com.lezhi.yuemianqiye.R;
	import com.nostra13.universalimageloader.utils.L;
	/**
	* 倒计时Button
	* @author jiyuren
	* create at 2015年3月23日 上午9:43:16
	*/
	public class CountDownButton extends Button{
	 private static final String TAG = "CountDownButton";
	 private Context mContext;
	 private int countDownTime = 60;//默认需要倒计时的时间秒数
	 private String countDownText ;//倒计时之后的文字显示
	
	 private Timer mTimer;
	 private TimerTask mTimerTask;
	 private int seconds = -1;
	 private String countDownIngFormat ;//正在倒计时时要显示的格式
	
	 /**倒计时状态**/
	 private boolean isCountDown = false;
	
	 private Handler mHandler = new Handler(){
	 @Override
	 public void handleMessage(Message msg) {
	 super.handleMessage(msg);
	 switch (msg.what) {
	 case 0:
	 if (seconds <= 0) {
	 stopCountDown();
	 }else{
	 setText(String.format(countDownIngFormat, seconds));
	 }
	 break;
	 default:
	 break;
	 }
	 }
	 };
	
	
	 public CountDownButton(Context context) {
	 super(context);
	 init(context,null);
	 }
	
	 public CountDownButton(Context context, AttributeSet attrs) {
	 super(context, attrs);
	 init(context,attrs);
	 }
	
	 public CountDownButton(Context context, AttributeSet attrs, int defStyle) {
	 super(context, attrs, defStyle);
	 init(context,attrs);
	 }
	
	 private void init(Context context,AttributeSet attrs) {
	 this.mContext = context;
	 countDownIngFormat = "重新获取(%d)" ;
	 if(null!=attrs){
	 TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.CountDown);
	 countDownTime = array.getInt(R.styleable.CountDown_countDownTime, 0);
	 countDownText = array.getString(R.styleable.CountDown_countDownText);
	 if(!TextUtils.isEmpty(array.getString(R.styleable.CountDown_countDownIngFormat))){
	 countDownIngFormat = array.getString(R.styleable.CountDown_countDownIngFormat);
	 }
	 array.recycle();
	 }
	 setOnClickListener(new View.OnClickListener() {
	 @Override
	 public void onClick(View v) {
	 if(null!=countDownOnClickListener){
	 countDownOnClickListener.onClickListener();
	 }
	 }
	 });
	 }
	
	 /**
	 * 开始倒计时
	 */
	 public void startCountDown(){
	 setEnabled(false);
	 seconds = countDownTime;
	 isCountDown = true;
	 mTimer = new Timer();
	 mTimerTask = new TimerTask() {
	 @Override
	 public void run() {
	 seconds--;
	 Message msg = Message.obtain();
	 msg.what = 0;
	 mHandler.sendMessage(msg);
	 }
	 };
	 if (seconds > 0) {
	 mTimer.schedule(mTimerTask, 0, 1000);
	 }
	 }
	 /**
	 * 停止倒计时
	 */
	 public void stopCountDown(){
	 if(isCountDown){
	 L.i(TAG, "stop countdown");
	 seconds = -1;
	 mTimer.cancel();
	 mTimerTask.cancel();
	 mTimer = null;
	 mTimerTask = null;
	 setEnabled(true);
	 setText(countDownText);
	 isCountDown = false;
	 }
	 }
	
	 /**
	 * 判断是否是倒计时状态
	 */
	 public boolean isCountDown(){
	 return isCountDown;
	 }
	
	 private CountDownOnClickListener countDownOnClickListener;
	 /**
	 * 设置按钮监听
	 * @param countDownOnClickListener
	 */
	 public void setCountDownOnClickListener(CountDownOnClickListener countDownOnClickListener){
	 this.countDownOnClickListener = countDownOnClickListener;
	 }
	
	 public interface CountDownOnClickListener{
	 void onClickListener();
	 }
	}

	

	

	<declare-styleable name="CountDown">
	 <attr name="countDownText" format="reference|string" />
	 <attr name="countDownIngFormat" format="reference|string" />
	 <attr name="countDownTime" format="integer" />
	 </declare-styleable>
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