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src/com/ectrip/cyt/ui/SerialPortHandsetActivity.java 3.36 KB
3c2353cd   杜方   1、畅游通核销app源码提交;
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  /*
   * Copyright 2009 Cedric Priscal
   * 
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License. 
   */
  
  package com.ectrip.cyt.ui;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.security.InvalidParameterException;
  
  import android.os.Bundle;
  import android_serialport_api.SerialPortHandset;
  
  import com.ectrip.cyt.config.DevicTool;
  import com.ectrip.cyt.config.MyApp;
  
  public abstract class SerialPortHandsetActivity extends BaseActivity {
  
  	protected MyApp mApplication;
  	protected SerialPortHandset mSerialPort;
  	protected OutputStream mOutputStream;
  	private InputStream mInputStream;
  	public ReadThread mReadThread=null;
  
  	class ReadThread extends Thread {
  
  		@Override
  		public void run() {
  			super.run();
  			while (!isInterrupted()) {
  				int size;
  				try {
  					byte[] buffer = new byte[64];
  					if (mInputStream == null)
  						return;
  					size = mInputStream.read(buffer);
  //					int len = -1;
  //					byte[] buff = new byte[1024];
  //					String res = "";
  //					while (-1 != (len = mInputStream.read(buff))) {
  //						// 将字节数组转换为字符串
  //						// String username = new
  //						// String(request.getParamter("userName").getBytes("ISO8859-1"),"GBK")
  //						res += new String(buff, 0, len, "ISO8859-1");
  //					}
  //					System.out.println(res);
  					if (size > 0&&size!=1) {
  						onDataReceived(buffer, size);
  					}
  				} catch (IOException e) {
  					e.printStackTrace();
  					return;
  				}
  			}
  		}
  	}
  
  //	private void DisplayError(int resourceId) {
  //		AlertDialog.Builder b = new AlertDialog.Builder(this);
  //		b.setTitle("Error");
  //		b.setMessage(resourceId);
  //		b.setPositiveButton("OK", new OnClickListener() {
  //			public void onClick(DialogInterface dialog, int which) {
  //				SerialPortHandsetActivity.this.finish();
  //			}
  //		});
  //		b.show();
  //	}
  
  	@Override
  	protected void onCreate(Bundle savedInstanceState) {
  		super.onCreate(savedInstanceState);
  		mApplication = (MyApp) getApplication();
  		try {
  			mSerialPort = DevicTool.getInstance().getSerialPortHandset();
  			mOutputStream = mSerialPort.getOutputStream();
  			mInputStream = mSerialPort.getInputStream();
  
  			/* Create a receiving thread */
  			mReadThread = new ReadThread();
  			mReadThread.start();
  		} catch (SecurityException e) {
  			// You do not have read/write permission to the serial port.
  			e.printStackTrace();
  		} catch (IOException e) {
  			// The serial port can not be opened for an unknown reason.
  			e.printStackTrace();
  		} catch (InvalidParameterException e) {
  			// Please configure your serial port first.
  			e.printStackTrace();
  		}
  	}
  
  	/**
  	 * 返回数据
  	 *
  	 * @param buffer
  	 * @param size
  	 */
  	protected abstract void onDataReceived(final byte[] buffer, final int size);
  
  	@Override
  	protected void onDestroy() {
  		if (mReadThread != null)
  			mReadThread.interrupt();
  		DevicTool.getInstance().closeSerialPort();
  		mSerialPort = null;
  		super.onDestroy();
  	}
  }