} // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } /** * A placeholder fragment containing a simple view. */ class buttonlisner implements OnClickListener, android.view.View.OnClickListener{ @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub
import java.io.OutputStream;
import java.util.Random;
import java.util.Set;import android.R.integer;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.os.Build;
import java.util.UUID; public class MainActivity extends ActionBarActivity {
private Button button;
private BluetoothAdapter bluetoothAdapter;
private BluetoothDevice bluetoothDevice;
private BluetoothSocket bluetoothSocket;
private BluetoothServerSocket bluetoothServerSocket;
private TextView textView1;
private TextView textView2;
private TextView textView3;
private TextView textView4;
private UUID uuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
private OutputStream outputStream;
private InputStream inputStream;
private Thread thread;
private Handler handler;
private final Random mGenerator = new Random();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main); if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
} @Override
public boolean onCreateOptionsMenu(Menu menu) {
handler = new Handler(){
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
String message = (String)msg.obj;
Log.d("asfasfd",String.valueOf(msg.what));
textView4.setText(message);
}
};
button = (Button)findViewById(R.id.button1);
textView1 = (TextView)findViewById(R.id.textView1);
textView2 = (TextView)findViewById(R.id.textView2);
textView3 = (TextView)findViewById(R.id.textView3);
textView4 = (TextView)findViewById(R.id.textView4);
textView4.setText("asdfasdfasfd");
thread = new Thread(new inputlisner());
button.setOnClickListener(new buttonlisner());
bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if(!bluetoothAdapter.enable())
{
Intent intent = new Intent(bluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(intent, 0x1);
}else
{
Set<BluetoothDevice> deviceaddress = bluetoothAdapter.getBondedDevices();
if(deviceaddress.size() < 0 )
{
textView1.setText("没有匹配的设备,请进行匹配");
}else
{
textView1.setText("匹配设备成功1");
try{
textView2.setText("远端舍必获取地址成功");
bluetoothDevice = bluetoothAdapter.getRemoteDevice(deviceaddress.iterator().next().getAddress());
}catch (Exception e) {
// TODO: handle exception
textView2.setText("获取地址失败");
}
try{
bluetoothSocket = bluetoothDevice.createRfcommSocketToServiceRecord(uuid);
textView3.setText("创建串口端口成功");
}catch (Exception e) {
textView3.setText("创建串口端口失败");
// TODO: handle exception
}
try{
bluetoothSocket.connect();
textView3.setText("设备链接成功");
}catch (Exception e) {
textView3.setText("设备链接失败");
// TODO: handle exception
}
}
}
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
} @Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
} /**
* A placeholder fragment containing a simple view.
*/
class buttonlisner implements OnClickListener, android.view.View.OnClickListener{
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(!thread.isAlive()){
thread.start();
}//判断现成是否存活或者开启
try{
outputStream = bluetoothSocket.getOutputStream();
byte[] buffer;
String message = "1";
buffer = message.getBytes();
outputStream.write(buffer);
}catch (Exception e) {
// TODO: handle exception
}
}
}
class inputlisner extends Thread{
@Override
public void run() {
// TODO Auto-generated method stub
Message message = Message.obtain();
int bytes = 0;
while(true)
{
try{
inputStream = bluetoothSocket.getInputStream();
bytes = inputStream.read();
message.obj = String.valueOf(bytes-48);
}catch (Exception e) {
// TODO: handle exception
}
handler.sendMessage(message);
}
}
}
public static class PlaceholderFragment extends Fragment { public PlaceholderFragment() {
} @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
return rootView;
}
}}
你把 Message message = Message.obtain(); 这个代码 放到while循环里面试试。