开启蓝牙

Intent i = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
   startActivityForResult(i, REQUEST_ENABLE_BT);

@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
		switch (requestCode) {
		case REQUEST_ENABLE_BT:
			if (resultCode == Activity.RESULT_OK) {
				AppMsg.makeText(this, "蓝牙开启成功");
			}
			break;
		}
	}