SerialPortActivity.java
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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 android_serialport_api.sample;
import android.os.Bundle;
import com.ectrip.cyt.config.DevicTool;
import com.ectrip.cyt.config.MyApp;
import com.ectrip.cyt.ui.BaseActivity;
import com.ectrip.trips.check.R;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.InvalidParameterException;
import android_serialport_api.SerialPort;
public abstract class SerialPortActivity extends BaseActivity {
protected MyApp mApplication;
protected SerialPort mSerialPort;
protected OutputStream mOutputStream;
protected InputStream mInputStream;
protected ReadThread mReadThread;
protected int tempFlag = -1;
private class ReadThread extends Thread {
@Override
public void run() {
super.run();
while (!isInterrupted()) {
int size;
try {
byte[] buffer = new byte[1500];
if (mInputStream == null) {
return;
}
// if(tempFlag==-1){
// size = mInputStream.read(buffer);
// if (size > 0) {
// onDataReceived(buffer, size);
// }
// }
} catch (Exception 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) {
//// SerialPortActivity.this.finish();
// }
// });
// b.show();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mApplication = MyApp.getInstance();
}
protected abstract void onDataReceived(final byte[] buffer, final int size);
@Override
protected void onDestroy() {
if (DevicTool.isHiboryPos()) {
if (mReadThread != null)
mReadThread.interrupt();
mApplication.closeSerialPort();
mSerialPort = null;
}
super.onDestroy();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
try {
if (DevicTool.isHiboryPos()) {
mSerialPort = mApplication.getSerialPort();
mOutputStream = mSerialPort.getOutputStream();
mInputStream = mSerialPort.getInputStream();
/* Create a receiving thread */
if (mReadThread == null) {
mReadThread = new ReadThread();
mReadThread.start();
}
}
} catch (SecurityException e) {
DisplayError(R.string.error_security);
} catch (IOException e) {
DisplayError(R.string.error_unknown);
} catch (InvalidParameterException e) {
DisplayError(R.string.error_configuration);
}
}
}