2小时倒计时

[android]代码库

 Handler handler = new Handler();  
    Runnable runnable = new Runnable() {  
        @Override  
        public void run() {  
        	//递减
            time--;  
            //方法
            String formatLongToTimeStr = formatLongToTimeStr(time);
            //拆分0：时，1：分，2：秒
            String[] split = formatLongToTimeStr.split("：");
            for (int i = 0; i < split.length; i++) {
                if(i==0){
                    tvtime1.setText(split[0]+"小时");
                }
                if(i==1){
                    tvtime2.setText(split[1]+"分钟");
                }
                if(i==2){
                    tvtime3.setText(split[2]+"秒");
                }

            }
            //当time大于0时持续发送
            if(time>0){
                handler.postDelayed(this, 1000);  
            }
        }  
    };  
//时间转换方法
    public  String formatLongToTimeStr(int l) {        
           int hour = 0;        
           int minute = 0;       
           int second = 0;        
           second = l ;       
           //当秒大于60转换成分钟，零头转换成秒
           if (second > 60) {            
            minute = second / 60;         //取整   
            second = second % 60;         //取余
           }        
         //当分钟大于60转换成小时，零头转换成分钟
           if (minute > 60) {            
            hour = minute / 60;            
            minute = minute % 60;        
           }  
           //拼接字符串
           String strtime = hour+"："+minute+"："+second;
           return strtime;   

    }