public static Map<String, Long> map;//用来存放倒计时的时间

package net.zhomi.negotiation.view.utils;import java.util.HashMap;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;import net.zhomi.negotiation.app.App;import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;public class TimeButton extends Button implements OnClickListener {private long lenght = 60 * 1000;// 倒计时长度,这里给了默认60秒private String textafter = "秒后重新获取";private String textbefore = "点击获取验证码";private final String TIME = "time";private final String CTIME = "ctime";private OnClickListener mOnclickListener;private Timer t;private TimerTask tt;private long time;private Context mContext;Map<String, Long> map = new HashMap<String, Long>();public TimeButton(Context context) {super(context);setOnClickListener(this);}public TimeButton(Context context, AttributeSet attrs) {super(context, attrs);mContext = context;setOnClickListener(this);}@SuppressLint("HandlerLeak")Handler han = new Handler() {public void handleMessage(android.os.Message msg) {TimeButton.this.setText(time / 1000 + textafter);time -= 1000;if (time < 0) {TimeButton.this.setEnabled(true);TimeButton.this.setText(textbefore);clearTimer();}};};private void initTimer() {time = lenght;t = new Timer();tt = new TimerTask() {@Overridepublic void run() {Log.e("yung", time / 1000 + "");han.sendEmptyMessage(0x01);}};}private void clearTimer() {Toast.makeText(mContext, "计时结束", Toast.LENGTH_SHORT).show();if (tt != null) {tt.cancel();tt = null;}if (t != null)t.cancel();t = null;}@Overridepublic void setOnClickListener(OnClickListener l) {if (l instanceof TimeButton) {super.setOnClickListener(l);} elsethis.mOnclickListener = l;}@Overridepublic void onClick(View v) {if (mOnclickListener != null)mOnclickListener.onClick(v);initTimer();this.setText(time / 1000 + textafter);this.setEnabled(false);t.schedule(tt, 0, 1000);// t.scheduleAtFixedRate(task, delay, period);
    }/*** 和activity的onDestroy()方法同步*/public void onDestroy() {if (App.map == null)App.map = new HashMap<String, Long>();App.map.put(TIME, time);App.map.put(CTIME, System.currentTimeMillis());clearTimer();Log.e("yung", "onDestroy");}/*** 和activity的onCreate()方法同步*/public void onCreate(Bundle bundle) {Log.e("yung", App.map + "");if (App.map == null)return;if (App.map.size() <= 0)// 这里表示没有上次未完成的计时return;long time = System.currentTimeMillis() - App.map.get(CTIME)- App.map.get(TIME);App.map.clear();if (time > 0)return;else {initTimer();this.time = Math.abs(time);t.schedule(tt, 0, 1000);this.setText(time + textafter);this.setEnabled(false);}}/** * 设置计时时候显示的文本 */public TimeButton setTextAfter(String text1) {this.textafter = text1;return this;}/** * 设置点击之前的文本 */public TimeButton setTextBefore(String text0) {this.textbefore = text0;this.setText(textbefore);return this;}/*** 设置到计时长度* * @param lenght*            时间 默认毫秒* @return*/public TimeButton setLenght(long lenght) {this.lenght = lenght;return this;}/**
*/
}

<net.zhomi.negotiation.view.utils.TimeButton//TimeButton所在的包android:id="@+id/btn_getcode"android:layout_width="0dp"android:layout_height="match_parent"android:layout_marginRight="15dp"android:layout_weight="2"android:background="@null"android:singleLine="true"android:text="60秒后重新获取"android:textColor="@color/balck"android:textSize="@dimen/normal_text_size" />

package com.example.timebtn;import android.os.CountDownTimer;
import android.widget.Button;public class TimerCount extends CountDownTimer {private Button bnt;public TimerCount(long millisInFuture, long countDownInterval, Button bnt) {super(millisInFuture, countDownInterval);this.bnt = bnt;}public TimerCount(long millisInFuture, long countDownInterval) {super(millisInFuture, countDownInterval);// TODO Auto-generated constructor stub
    }@Overridepublic void onFinish() {// TODO Auto-generated method stubbnt.setClickable(true);bnt.setText("获取验证码");}@Overridepublic void onTick(long arg0) {// TODO Auto-generated method stubbnt.setClickable(false);bnt.setText(arg0 / 1000 + "秒后重新获取");}
}

Button btn = (Button) findViewById(R.id.button1);
TimerCount timer = new TimerCount(60000, 1000, btn);
timer.start();