Android Open Source - BluetoothSerching Bt Devices

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.hanker.bluetoothtest;
// w  w  w  . j  av  a  2s .  c  om


import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class BtDevices extends Activity {

  private ListView listview;
  private BluetoothAdapter mAdapter;
  ArrayAdapter<String> mArrayDevice;
  String BT_ADDRESS="B0:C4:E7:1E:01:63";
  //String BT_ADDRESS="30:C3:65:18:66:12";
  
  // 
  
  //sa
  public static String EXTRA_DEVICE_ADDRESS = "device_address";
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.bt_device_list);
    
    mArrayDevice = new ArrayAdapter<String>(this, R.layout.device_name);
    listview=(ListView) findViewById(R.id.listView1);
    listview.setAdapter(mArrayDevice);
    listview.setOnItemClickListener(mDeviceLickListner);
    
    IntentFilter filter=new IntentFilter(BluetoothDevice.ACTION_FOUND);
    this.registerReceiver(mReciever, filter);
    
    filter=new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
    this.registerReceiver(mReciever, filter);
    
    
    mAdapter=BluetoothAdapter.getDefaultAdapter();
    
    BluetoothDevice conn=mAdapter.getRemoteDevice(BT_ADDRESS);
  }
  
  private BroadcastReceiver mReciever=new BroadcastReceiver() {
    
    @Override
    public void onReceive(Context context, Intent intent) {
      // TODO Auto-generated method stub
      String action=intent.getAction();
      if(BluetoothDevice.ACTION_FOUND.equals(action)){
        
        BluetoothDevice device = intent
            .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
        try{
          mArrayDevice.add(device.getName()+"\n"+device.getAddress());
          Log.i("bt add", device.getAddress()+device.hashCode());
          if(BT_ADDRESS.contains(device.getAddress()))
          {
            Toast.makeText(BtDevices.this, "IS CONNECTED", Toast.LENGTH_LONG).show();
          }
        }catch (Exception e) {
          // TODO: handle exception
          e.printStackTrace();
        }
        
      }else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
            
                if (mArrayDevice.getCount() == 0) {
                   Toast.makeText(getApplicationContext(), "NO DEVICE", Toast.LENGTH_SHORT).show();
                }
            }
  
      
    }
  };
  
  private OnItemClickListener mDeviceLickListner=new OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
        long arg3) {
      // TODO Auto-generated method stub
       mAdapter.cancelDiscovery();

              // Get the device MAC address, which is the last 17 chars in the View
       Toast.makeText(getApplicationContext(), 
              arg0.getItemAtPosition(arg2).toString(), 
              Toast.LENGTH_LONG).show();
    }
  };
  

  
  
  @Override
  protected void onRestart() {
    // TODO Auto-generated method stub
    super.onRestart();
  }
  
  @Override
  protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    mAdapter.startDiscovery();
  }

  @Override
  protected void onPause() {
    // TODO Auto-generated method stub
    super.onPause();
    if(mAdapter != null)
    {
      mAdapter.cancelDiscovery();
    }
    
  
  }
  
  @Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
    if(mAdapter != null)
    {
      mAdapter.cancelDiscovery();
    }
    this.unregisterReceiver(mReciever);
  }
  
}

Java Source Code List

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