android开发分享Android实现倒计时的按钮效果

  new countdowntimer(10000, 1000) {       @override       public void ontick(long millisuntilfinished) {        btn2.setenabled(false);        btn2.settext(string.format("%ds后重新发送验证码",millisuntilfinished/1000));       }         @override       public void onfinish() {        btn2.setenabled(true);        btn2.settext("发送验证码");       }      }.start();

  public class timebutton extends button implements view.onclicklistener {   private long length = 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 = length;    t = new timer();    tt = new timertask() {     @override     public 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;   }     @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);   }     /**    * 和activity的ondestroy()方法同步    */   public void ondestroy() {    if (mainactivity.map == null)     mainactivity.map = new hashmap<string, long>();    mainactivity.map.put(time, time);    mainactivity.map.put(ctime, system.currenttimemillis());    cleartimer();   }     /**    * 和activity的oncreate()方法同步    */   public void oncreate(bundle bundle) {    log.e("yung", mainactivity.map + "");    if (mainactivity.map == null)     return;    if (mainactivity.map.size() <= 0)// 这里表示没有上次未完成的计时     return;    long time = system.currenttimemillis() - mainactivity.map.get(ctime)      - mainactivity.map.get(time);    mainactivity.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.length = lenght;    return this;   }  }