安卓前台的textview如何显示一个数组，并且定时刷新数据？

Handler handler = new Handler();  
int i =0;
Runnable runnable = new Runnable() {  
    @Override  
    public void run() {  
        // handler自带方法实现定时器  
        try {  
            handler.postDelayed(this, 1000);  //一秒
            textview数组[i].setText(Integer.toString(i++)); 
            if(i== textview数组.length) i=0;
            System.out.println("do...");  
        } catch (Exception e) {  
            // TODO Auto-generated catch block  
            e.printStackTrace();  
            System.out.println("exception...");  
        }  
    }  
};