本来运行没问题
用到个字符串分割的函数之后，就一直结束进程
最下面红色~
求问原因
package com.friendlyarm.SerialPortDemo;
import android.app.Activity;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ScrollView;
import android.widget.TextView;
import android.util.Log;
import android.text.Html;
import android.widget.Toast;
import java.util.Timer;
import java.util.TimerTask;
import com.friendlyarm.AndroidSDK.HardwareControler;
import com.friendlyarm.SerialPortDemo.R;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.content.Context;
import android.content.Intent;
import java.util.regex.*;
import java.util.*;
public class SerialPortDataProcessView extends Activity implements OnClickListener {
private static final String TAG = "SerialPort";
private TextView fromTextView = null;
private TextView a;
private TextView b;
private EditText toEditor = null;
private final int MAXLINES = 200;
private StringBuilder remoteData = new StringBuilder(256*MAXLINES);
private String devName = "/dev/s3c2410_serial1";
private int speed = 9600;
private int dataBits = 8;
private int stopBits = 1;
private int devfd =-1;
private String str1;
private String Temp;
private String Humi;
@Override
public void onDestroy()
{
timer.cancel();
if (devfd != -1)
{
HardwareControler.close(devfd);
devfd = -1;
}
super.onDestroy();
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
{
setContentView(R.layout.serialport_dataprocessview_landscape);
}
else if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT)
{
setContentView(R.layout.serialport_dataprocessview);
}
String winTitle = "串口1," +"波特率："+ speed + "," +"数据位："+ dataBits + "," + "停止位："+stopBits;
setTitle(winTitle);
((Button)findViewById(R.id.sendButton)).setOnClickListener(this);
((Button)findViewById(R.id.back)).setOnClickListener(this);
fromTextView = (TextView)findViewById(R.id.fromTextView);
toEditor = (EditText)findViewById(R.id.toEditor);
a=(TextView)findViewById(R.id.a);
b=(TextView)findViewById(R.id.b);
/* no focus when begin */
toEditor.clearFocus();
toEditor.setFocusable(false);
toEditor.setFocusableInTouchMode(true);
devfd = HardwareControler.openSerialPort( devName, speed, dataBits, stopBits );
if (devfd >= 0)
{
timer.schedule(task, 0, 500);
}
else
{
devfd = -1;
fromTextView.append("Fail to open " + devName + "!");
}
}
private final int BUFSIZE = 512;
private byte[] buf = new byte[BUFSIZE];
private Timer timer = new Timer();
private Timer timer1 = new Timer();
private Handler handler = new Handler()
{
public void handleMessage(Message msg)
{
switch (msg.what)
{
case 1:
if (HardwareControler.select(devfd, 0, 0) == 1)
{
int retSize = HardwareControler.read(devfd, buf, BUFSIZE);
if (retSize > 0)
{
str1 = new String(buf, 0, retSize);
remoteData.append(str1);
//Log.d(TAG, "#### LineCount: " + fromTextView.getLineCount() + ", remoteData.length()=" + remoteData.length());
if (fromTextView.getLineCount() > MAXLINES)
{
int nLineCount = fromTextView.getLineCount();
int i = 0;
for (i = 0; i < remoteData.length(); i++)
{
if (remoteData.charAt(i) == '\n')
{
nLineCount--;
if (nLineCount <= MAXLINES)
{
break;
}
}
}
remoteData.delete(0, i);
//Log.d(TAG, "#### remoteData.delete(0, " + i + ")");
fromTextView.setText(remoteData.toString());
}
else
{
fromTextView.append(str1);
}
((ScrollView)findViewById(R.id.scroolView)).fullScroll(View.FOCUS_DOWN);
}
}
break;
}
super.handleMessage(msg);
}
};
private TimerTask task = new TimerTask()
{
public void run()
{
Message message = handler.obtainMessage();
message.what = 1;
handler.sendMessage(message);
}
};
private TimerTask task1 = new TimerTask()
{
public void run()
{
BT();
}
};
public void onClick(View v)
{
switch (v.getId())
{
case R.id.sendButton:String str = toEditor.getText().toString();
if (str.length() > 0)
{
if (str.charAt(str.length()-1) != '\n')
{
str = str + "\n";
}
int ret = HardwareControler.write(devfd, str.getBytes());
if (ret > 0)
{
toEditor.setText("");
str = "发送了数据:" + str;
if (remoteData.length() > 0)
{
if (remoteData.charAt(remoteData.length()-1) != '\n')
{
remoteData.append('\n');
fromTextView.append("\n");
}
}
remoteData.append(str);
fromTextView.append(str);
((ScrollView)findViewById(R.id.scroolView)).fullScroll(View.FOCUS_DOWN);
}
else
{
Toast.makeText(this,"Fail to send!",Toast.LENGTH_SHORT).show();
}
}
break;
case R.id.back: SerialPortDataProcessView.this.onDestroy();
SerialPortDataProcessView.this.finish();
}
}
public void BT()
{
Temp=str1.substring(16,21);
Humi=str1.substring(22,27);
a.setText(Temp);
b.setText(Humi);
}
}
加了最后这个BT（）之后 一直溢出，问问原因啊~~~
