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Created December 11, 2013 11:10
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Code snippets to reuse system Bluetooth Device Picker
package com.github.timnew.bluetooth;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothDevicePicker;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import com.googlecode.androidannotations.annotations.EBean;
import com.googlecode.androidannotations.annotations.RootContext;
public class BluetoothDeviceManager implements BluetoothDevicePicker {
protected Context context;
public void pickDevice(BluetoothDevicePickResultHandler handler) {
context.registerReceiver(new BluetoothDeviceManagerReceiver(handler), new IntentFilter(ACTION_DEVICE_SELECTED));
context.startActivity(new Intent(ACTION_LAUNCH)
.putExtra(EXTRA_NEED_AUTH, false)
public static interface BluetoothDevicePickResultHandler {
void onDevicePicked(BluetoothDevice device);
private static class BluetoothDeviceManagerReceiver extends BroadcastReceiver {
private final BluetoothDevicePickResultHandler handler;
public BluetoothDeviceManagerReceiver(BluetoothDevicePickResultHandler handler) {
this.handler = handler;
public void onReceive(Context context, Intent intent) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
* Copyright (C) 2009 The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
package android.bluetooth;
* A helper to show a system "Device Picker" activity to the user.
* @hide
public interface BluetoothDevicePicker {
public static final String EXTRA_NEED_AUTH = "android.bluetooth.devicepicker.extra.NEED_AUTH";
public static final String EXTRA_FILTER_TYPE = "android.bluetooth.devicepicker.extra.FILTER_TYPE";
public static final String EXTRA_LAUNCH_PACKAGE = "android.bluetooth.devicepicker.extra.LAUNCH_PACKAGE";
public static final String EXTRA_LAUNCH_CLASS = "android.bluetooth.devicepicker.extra.DEVICE_PICKER_LAUNCH_CLASS";
* Broadcast when one BT device is selected from BT device picker screen.
* Selected {@link BluetoothDevice} is returned in extra data named
* {@link BluetoothDevice#EXTRA_DEVICE}.
public static final String ACTION_DEVICE_SELECTED = "android.bluetooth.devicepicker.action.DEVICE_SELECTED";
* Broadcast when someone want to select one BT device from devices list.
* This intent contains below extra data:
* - {@link #EXTRA_NEED_AUTH} (boolean): if need authentication
* - {@link #EXTRA_FILTER_TYPE} (int): what kinds of device should be
* listed
* - {@link #EXTRA_LAUNCH_PACKAGE} (string): where(which package) this
* intent come from
* - {@link #EXTRA_LAUNCH_CLASS} (string): where(which class) this intent
* come from
public static final String ACTION_LAUNCH = "android.bluetooth.devicepicker.action.LAUNCH";
* Ask device picker to show all kinds of BT devices
public static final int FILTER_TYPE_ALL = 0;
* Ask device picker to show BT devices that support AUDIO profiles
public static final int FILTER_TYPE_AUDIO = 1;
* Ask device picker to show BT devices that support Object Transfer
public static final int FILTER_TYPE_TRANSFER = 2;
* Ask device picker to show BT devices that support
* Personal Area Networking User (PANU) profile
public static final int FILTER_TYPE_PANU = 3;
* Ask device picker to show BT devices that support Network Access Point (NAP) profile
public static final int FILTER_TYPE_NAP = 4;
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Is there an Intent filter for when no device is selected? Say, when the user presses the back button. Something like "android.bluetooth.devicepicker.action.DEVICE_NOT_SELECTED"?

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