方法2  Handler

andler mHandler = new Handler() {    
        @Override    
        public void handleMessage(Message msg) {    
            super.handleMessage(msg);    
            switch (msg.what) {    
            case 0:    
                String data = (String)msg.obj;    
                textView.setText(data);    
                break;    
            default:    
                break;    
            }    
        }    
    };  

 

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