Android Open Source - androidcomplete B T Manager

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License

The source code is released under:

MIT License

Java Source Code

package com.core.connmanager;
// w  w  w.ja  v a2  s .  c  om
import java.util.Set;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.app.Activity;

/**
 * Use of Android Bluetooth API for basic features
 * Using the Bluetooth APIs, an Android application can perform the following:
 *    Scan for other Bluetooth devices
 *    Query the local Bluetooth adapter for paired Bluetooth devices
 *    Establish RFCOMM channels
 *    Connect to other devices through service discovery
 *    Transfer data to and from other devices
 *     Manage multiple connections
 * @author onurdundar
 */
public class BTManager {
  static String TAG = "BlueTManager";
  
  static BluetoothManager mBluetoothManager;
  static BluetoothDevice  mBluetoothDevice;
  static BluetoothAdapter mBluetoothAdapter;
  static BluetoothSocket mBluetoothSocket;
  
  static ArrayAdapter<BluetoothDevice> discoveredDevices;
  
  private final static int REQUEST_ENABLE_BT = 1;
  
  /**
   * Get BT Adapter and enable if it is disabled
   */
  public BTManager(Activity activity){
    /**
     * Request BT Adapter from device
     */
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if(mBluetoothAdapter == null){
      Log.e(TAG, "Device doesn't support BlueTooth");
    }else{
      Log.i(TAG, "Device support BlueTooth");
    }
    
    /**
     * Enable BT if it is not enabled
     */
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        activity.startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }
  }
  
  
  /**
   * Scan for available Bluetooth Devices and return the list of devices
   * @return List of devices
   */
  public static ArrayAdapter<BluetoothDevice> scanBluetoothDevices(Activity activity){
    mBluetoothAdapter.startDiscovery();
    IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
    activity.registerReceiver(mReceiver, filter);
    return discoveredDevices;
  }
  /**
   * Cancel Discovery and unregister broadcast receiver
   */
  public static void cancelBTDiscovery(Activity activity){
    mBluetoothAdapter.cancelDiscovery();
    activity.unregisterReceiver(mReceiver);
  }
  /**
   * Query Paired Devices
   */
  public static Set<BluetoothDevice> getPairedDevices(){
    return mBluetoothAdapter.getBondedDevices();
  }
  
  /**
   * Enable - Disable Discoverability
   */
  
  private final static BroadcastReceiver mReceiver = new BroadcastReceiver() {
      public void onReceive(Context context, Intent intent) {
          String action = intent.getAction();
          // When discovery finds a device
          if (BluetoothDevice.ACTION_FOUND.equals(action)) {
              // Get the BluetoothDevice object from the Intent
              BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
              // Add the name and address to an array adapter to show in a ListView
              discoveredDevices.add(device);
          }
      }
  };
  
}

Java Source Code List

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