TimeButton.java

package com.geo.smallcredit.vo;

import java.util.HashMap;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;

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;

public class TimeButton extends Button implements OnClickListener {  
	
    private long lenght = 60 * 1000;// ����ʱ����,�������Ĭ��60��  
    private String textafter = "���»�ȡ";  
    private String textbefore = "��ȡ��֤��";  
    private final String TIME = "time";  
    private final String CTIME = "ctime";  
    private OnClickListener mOnclickListener;  
    private Timer t;  
    private TimerTask tt;  
    private long time;  
    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);  
        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() {  
  
            @Override  
            public void run() {  
                Log.e("yung", time / 1000 + "");  
                han.sendEmptyMessage(0x01);  
            }  
        };  
    }  
  
    private void clearTimer() {  
        if (tt != null) {  
            tt.cancel();  
            tt = null;  
        }  
        if (t != null)  
            t.cancel();  
        t = null;  
    }  
  
    @Override  
    public void setOnClickListener(OnClickListener l) {  
        if (l instanceof TimeButton) {  
            super.setOnClickListener(l);  
        } else  
            this.mOnclickListener = l;  
    }  
  
    @Override  
    public 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);  
    }  
  
    HashMap<String,Long> App;
    /** 
     * ��activity��onDestroy()����ͬ�� 
     */  
    public void onDestroy() {  
        if (App == null)  
            App = new HashMap<String, Long>();  
        App.put(TIME, time);  
        App.put(CTIME, System.currentTimeMillis());  
        clearTimer();  
        Log.e("yung", "onDestroy");  
    }  
  
    /** 
     * ��activity��onCreate()����ͬ�� 
     */  
    public void onCreate(Bundle bundle) {  
        Log.e("yung", App + "");  
        if (App == null)  
            return;  
        if (App.size() <= 0)// �����ʾû���ϴ�δ��ɵļ�ʱ  
            return;  
        long time = System.currentTimeMillis() - App.get(CTIME)  
                - App.get(TIME);  
        App.clear();  
        if (time > 0)  
            return;  
        else {  
            initTimer();  
            this.time = Math.abs(time);  
            t.schedule(tt, 0, 1000);  
            this.setText(time + textafter);  
            this.setEnabled(false);  
        }  
    }  
  
    /** * ���ü�ʱʱ����ʾ���ı� */  
    public TimeButton setTextAfter(String text1) {  
        this.textafter = text1;  
        return this;  
    }  
  
    /** * ���õ��֮ǰ���ı� */  
    public TimeButton setTextBefore(String text0) {  
        this.textbefore = text0;  
        this.setText(textbefore);  
        return this;  
    }  
  
    /** 
     * ���õ���ʱ���� 
     *  
     * @param lenght 
     *            ʱ�� Ĭ�Ϻ��� 
     * @return 
     */  
    public TimeButton setLenght(long lenght) {  
        this.lenght = lenght;  
        return this;  
    }  
    /* 
 
* 
*/  
}