Some Bluetooth Android actions

BluetoothUtil.java

package net.rocboronat.android.utils;

import java.lang.reflect.Method;
import java.util.Set;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.util.Log;

public class BluetoothUtil {

	public static void startBluetooth() {
		BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
		if (bluetoothAdapter != null && !bluetoothAdapter.isEnabled()) {
			bluetoothAdapter.enable();
		}
	}

	public static void stopBluetooth() {
		BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
		if (bluetoothAdapter != null && bluetoothAdapter.isEnabled()) {
			bluetoothAdapter.disable();
		}
	}

	public static void unpairMac(String macToRemove) {
		BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
		Set<BluetoothDevice> bondedDevices = bluetoothAdapter.getBondedDevices();
		try {
			Class<?> btDeviceInstance = Class.forName(BluetoothDevice.class.getCanonicalName());
			Method removeBondMethod = btDeviceInstance.getMethod("removeBond");
			boolean cleared = false;
			for (BluetoothDevice bluetoothDevice : bondedDevices) {
				String mac = bluetoothDevice.getAddress();
				if (mac.equals(macToRemove)) {
					removeBondMethod.invoke(bluetoothDevice);
					Log.i("BT", "Cleared Pairing");
					cleared = true;
					break;
				}
			}

			if (!cleared) {
				Log.i("BT", "Not Paired");
			}
		} catch (Throwable th) {
			Log.e("BT", "Error pairing", th);
		}
	}
}

Beware the permissions!

<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />