android蓝牙编程,客户端为什么在捕获异常后开始连接服务器？

Question

try     {       this._socket = this._device.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"));       localButton = (Button)findViewById(2131099658);     }     catch (IOException localIOException2)     {       try       {         Button localButton;         this._socket.connect();         Toast.makeText(this, "连接" + this._device.getName() + "成功！", 0).show();         localButton.setText("断开");       }       catch (IOException localIOException2)       {/*code*/}谢谢了