Add BluetoothLeGatt sample to new repository
Was previously in development/samples. Will be removed from old
location via seperate commit to other repository.
Change-Id: I4d797e1781f57bbdd56f2a2367f4ed2f31de33d7
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle
new file mode 100644
index 0000000..b461fdf
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/build.gradle
@@ -0,0 +1,14 @@
+buildscript {
+ repositories {
+ mavenCentral()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:0.5.+'
+ }
+}
+apply plugin: 'android'
+
+android {
+ compileSdkVersion 18
+ buildToolsVersion "17.0.0"
+}
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/AndroidManifest.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..019d258
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/AndroidManifest.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (C) 2013 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
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.example.bluetooth.le"
+ android:versionCode="1"
+ android:versionName="1.0">
+ <uses-sdk android:minSdkVersion="18"
+ android:targetSdkVersion="18"/>
+ <!-- Declare this required feature if you want to make the app available to BLE-capable
+ devices only. If you want to make your app available to devices that don't support BLE,
+ you should omit this in the manifest. Instead, determine BLE capability by using
+ PackageManager.hasSystemFeature(FEATURE_BLUETOOTH_LE) -->
+ <uses-feature android:name="android.hardware.bluetooth_le" android:required="true"/>
+
+ <uses-permission android:name="android.permission.BLUETOOTH"/>
+ <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
+
+ <application android:label="@string/app_name"
+ android:icon="@drawable/ic_launcher"
+ android:theme="@android:style/Theme.Holo.Light">
+ <activity android:name=".DeviceScanActivity"
+ android:label="@string/app_name">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN"/>
+ <category android:name="android.intent.category.LAUNCHER"/>
+ </intent-filter>
+ </activity>
+ <activity android:name=".DeviceControlActivity"/>
+ <service android:name=".BluetoothLeService" android:enabled="true"/>
+ </application>
+</manifest>
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/BluetoothLeService.java b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/BluetoothLeService.java
new file mode 100644
index 0000000..9e7aabd
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/BluetoothLeService.java
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2013 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bluetooth.le;
+
+import android.app.Service;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCallback;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattDescriptor;
+import android.bluetooth.BluetoothGattService;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Binder;
+import android.os.IBinder;
+import android.util.Log;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * Service for managing connection and data communication with a GATT server hosted on a
+ * given Bluetooth LE device.
+ */
+public class BluetoothLeService extends Service {
+ private final static String TAG = BluetoothLeService.class.getSimpleName();
+
+ private BluetoothManager mBluetoothManager;
+ private BluetoothAdapter mBluetoothAdapter;
+ private String mBluetoothDeviceAddress;
+ private BluetoothGatt mBluetoothGatt;
+ private int mConnectionState = STATE_DISCONNECTED;
+
+ private static final int STATE_DISCONNECTED = 0;
+ private static final int STATE_CONNECTING = 1;
+ private static final int STATE_CONNECTED = 2;
+
+ public final static String ACTION_GATT_CONNECTED =
+ "com.example.bluetooth.le.ACTION_GATT_CONNECTED";
+ public final static String ACTION_GATT_DISCONNECTED =
+ "com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";
+ public final static String ACTION_GATT_SERVICES_DISCOVERED =
+ "com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";
+ public final static String ACTION_DATA_AVAILABLE =
+ "com.example.bluetooth.le.ACTION_DATA_AVAILABLE";
+ public final static String EXTRA_DATA =
+ "com.example.bluetooth.le.EXTRA_DATA";
+
+ public final static UUID UUID_HEART_RATE_MEASUREMENT =
+ UUID.fromString(SampleGattAttributes.HEART_RATE_MEASUREMENT);
+
+ // Implements callback methods for GATT events that the app cares about. For example,
+ // connection change and services discovered.
+ private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
+ @Override
+ public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
+ String intentAction;
+ if (newState == BluetoothProfile.STATE_CONNECTED) {
+ intentAction = ACTION_GATT_CONNECTED;
+ mConnectionState = STATE_CONNECTED;
+ broadcastUpdate(intentAction);
+ Log.i(TAG, "Connected to GATT server.");
+ // Attempts to discover services after successful connection.
+ Log.i(TAG, "Attempting to start service discovery:" +
+ mBluetoothGatt.discoverServices());
+
+ } else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
+ intentAction = ACTION_GATT_DISCONNECTED;
+ mConnectionState = STATE_DISCONNECTED;
+ Log.i(TAG, "Disconnected from GATT server.");
+ broadcastUpdate(intentAction);
+ }
+ }
+
+ @Override
+ public void onServicesDiscovered(BluetoothGatt gatt, int status) {
+ if (status == BluetoothGatt.GATT_SUCCESS) {
+ broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
+ } else {
+ Log.w(TAG, "onServicesDiscovered received: " + status);
+ }
+ }
+
+ @Override
+ public void onCharacteristicRead(BluetoothGatt gatt,
+ BluetoothGattCharacteristic characteristic,
+ int status) {
+ if (status == BluetoothGatt.GATT_SUCCESS) {
+ broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
+ }
+ }
+
+ @Override
+ public void onCharacteristicChanged(BluetoothGatt gatt,
+ BluetoothGattCharacteristic characteristic) {
+ broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
+ }
+ };
+
+ private void broadcastUpdate(final String action) {
+ final Intent intent = new Intent(action);
+ sendBroadcast(intent);
+ }
+
+ private void broadcastUpdate(final String action,
+ final BluetoothGattCharacteristic characteristic) {
+ final Intent intent = new Intent(action);
+
+ // This is special handling for the Heart Rate Measurement profile. Data parsing is
+ // carried out as per profile specifications:
+ // http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
+ if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
+ int flag = characteristic.getProperties();
+ int format = -1;
+ if ((flag & 0x01) != 0) {
+ format = BluetoothGattCharacteristic.FORMAT_UINT16;
+ Log.d(TAG, "Heart rate format UINT16.");
+ } else {
+ format = BluetoothGattCharacteristic.FORMAT_UINT8;
+ Log.d(TAG, "Heart rate format UINT8.");
+ }
+ final int heartRate = characteristic.getIntValue(format, 1);
+ Log.d(TAG, String.format("Received heart rate: %d", heartRate));
+ intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));
+ } else {
+ // For all other profiles, writes the data formatted in HEX.
+ final byte[] data = characteristic.getValue();
+ if (data != null && data.length > 0) {
+ final StringBuilder stringBuilder = new StringBuilder(data.length);
+ for(byte byteChar : data)
+ stringBuilder.append(String.format("%02X ", byteChar));
+ intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
+ }
+ }
+ sendBroadcast(intent);
+ }
+
+ public class LocalBinder extends Binder {
+ BluetoothLeService getService() {
+ return BluetoothLeService.this;
+ }
+ }
+
+ @Override
+ public IBinder onBind(Intent intent) {
+ return mBinder;
+ }
+
+ @Override
+ public boolean onUnbind(Intent intent) {
+ // After using a given device, you should make sure that BluetoothGatt.close() is called
+ // such that resources are cleaned up properly. In this particular example, close() is
+ // invoked when the UI is disconnected from the Service.
+ close();
+ return super.onUnbind(intent);
+ }
+
+ private final IBinder mBinder = new LocalBinder();
+
+ /**
+ * Initializes a reference to the local Bluetooth adapter.
+ *
+ * @return Return true if the initialization is successful.
+ */
+ public boolean initialize() {
+ // For API level 18 and above, get a reference to BluetoothAdapter through
+ // BluetoothManager.
+ if (mBluetoothManager == null) {
+ mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
+ if (mBluetoothManager == null) {
+ Log.e(TAG, "Unable to initialize BluetoothManager.");
+ return false;
+ }
+ }
+
+ mBluetoothAdapter = mBluetoothManager.getAdapter();
+ if (mBluetoothAdapter == null) {
+ Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Connects to the GATT server hosted on the Bluetooth LE device.
+ *
+ * @param address The device address of the destination device.
+ *
+ * @return Return true if the connection is initiated successfully. The connection result
+ * is reported asynchronously through the
+ * {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
+ * callback.
+ */
+ public boolean connect(final String address) {
+ if (mBluetoothAdapter == null || address == null) {
+ Log.w(TAG, "BluetoothAdapter not initialized or unspecified address.");
+ return false;
+ }
+
+ // Previously connected device. Try to reconnect.
+ if (mBluetoothDeviceAddress != null && address.equals(mBluetoothDeviceAddress)
+ && mBluetoothGatt != null) {
+ Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
+ if (mBluetoothGatt.connect()) {
+ mConnectionState = STATE_CONNECTING;
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
+ if (device == null) {
+ Log.w(TAG, "Device not found. Unable to connect.");
+ return false;
+ }
+ // We want to directly connect to the device, so we are setting the autoConnect
+ // parameter to false.
+ mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
+ Log.d(TAG, "Trying to create a new connection.");
+ mBluetoothDeviceAddress = address;
+ mConnectionState = STATE_CONNECTING;
+ return true;
+ }
+
+ /**
+ * Disconnects an existing connection or cancel a pending connection. The disconnection result
+ * is reported asynchronously through the
+ * {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
+ * callback.
+ */
+ public void disconnect() {
+ if (mBluetoothAdapter == null || mBluetoothGatt == null) {
+ Log.w(TAG, "BluetoothAdapter not initialized");
+ return;
+ }
+ mBluetoothGatt.disconnect();
+ }
+
+ /**
+ * After using a given BLE device, the app must call this method to ensure resources are
+ * released properly.
+ */
+ public void close() {
+ if (mBluetoothGatt == null) {
+ return;
+ }
+ mBluetoothGatt.close();
+ mBluetoothGatt = null;
+ }
+
+ /**
+ * Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
+ * asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
+ * callback.
+ *
+ * @param characteristic The characteristic to read from.
+ */
+ public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
+ if (mBluetoothAdapter == null || mBluetoothGatt == null) {
+ Log.w(TAG, "BluetoothAdapter not initialized");
+ return;
+ }
+ mBluetoothGatt.readCharacteristic(characteristic);
+ }
+
+ /**
+ * Enables or disables notification on a give characteristic.
+ *
+ * @param characteristic Characteristic to act on.
+ * @param enabled If true, enable notification. False otherwise.
+ */
+ public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic,
+ boolean enabled) {
+ if (mBluetoothAdapter == null || mBluetoothGatt == null) {
+ Log.w(TAG, "BluetoothAdapter not initialized");
+ return;
+ }
+ mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
+
+ // This is specific to Heart Rate Measurement.
+ if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
+ BluetoothGattDescriptor descriptor = characteristic.getDescriptor(
+ UUID.fromString(SampleGattAttributes.CLIENT_CHARACTERISTIC_CONFIG));
+ descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
+ mBluetoothGatt.writeDescriptor(descriptor);
+ }
+ }
+
+ /**
+ * Retrieves a list of supported GATT services on the connected device. This should be
+ * invoked only after {@code BluetoothGatt#discoverServices()} completes successfully.
+ *
+ * @return A {@code List} of supported services.
+ */
+ public List<BluetoothGattService> getSupportedGattServices() {
+ if (mBluetoothGatt == null) return null;
+
+ return mBluetoothGatt.getServices();
+ }
+}
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceControlActivity.java b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceControlActivity.java
new file mode 100644
index 0000000..06b3bb4
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceControlActivity.java
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2013 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bluetooth.le;
+
+import android.app.Activity;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattService;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.ServiceConnection;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ExpandableListView;
+import android.widget.SimpleExpandableListAdapter;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * For a given BLE device, this Activity provides the user interface to connect, display data,
+ * and display GATT services and characteristics supported by the device. The Activity
+ * communicates with {@code BluetoothLeService}, which in turn interacts with the
+ * Bluetooth LE API.
+ */
+public class DeviceControlActivity extends Activity {
+ private final static String TAG = DeviceControlActivity.class.getSimpleName();
+
+ public static final String EXTRAS_DEVICE_NAME = "DEVICE_NAME";
+ public static final String EXTRAS_DEVICE_ADDRESS = "DEVICE_ADDRESS";
+
+ private TextView mConnectionState;
+ private TextView mDataField;
+ private String mDeviceName;
+ private String mDeviceAddress;
+ private ExpandableListView mGattServicesList;
+ private BluetoothLeService mBluetoothLeService;
+ private ArrayList<ArrayList<BluetoothGattCharacteristic>> mGattCharacteristics =
+ new ArrayList<ArrayList<BluetoothGattCharacteristic>>();
+ private boolean mConnected = false;
+ private BluetoothGattCharacteristic mNotifyCharacteristic;
+
+ private final String LIST_NAME = "NAME";
+ private final String LIST_UUID = "UUID";
+
+ // Code to manage Service lifecycle.
+ private final ServiceConnection mServiceConnection = new ServiceConnection() {
+
+ @Override
+ public void onServiceConnected(ComponentName componentName, IBinder service) {
+ mBluetoothLeService = ((BluetoothLeService.LocalBinder) service).getService();
+ if (!mBluetoothLeService.initialize()) {
+ Log.e(TAG, "Unable to initialize Bluetooth");
+ finish();
+ }
+ // Automatically connects to the device upon successful start-up initialization.
+ mBluetoothLeService.connect(mDeviceAddress);
+ }
+
+ @Override
+ public void onServiceDisconnected(ComponentName componentName) {
+ mBluetoothLeService = null;
+ }
+ };
+
+ // Handles various events fired by the Service.
+ // ACTION_GATT_CONNECTED: connected to a GATT server.
+ // ACTION_GATT_DISCONNECTED: disconnected from a GATT server.
+ // ACTION_GATT_SERVICES_DISCOVERED: discovered GATT services.
+ // ACTION_DATA_AVAILABLE: received data from the device. This can be a result of read
+ // or notification operations.
+ private final BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ final String action = intent.getAction();
+ if (BluetoothLeService.ACTION_GATT_CONNECTED.equals(action)) {
+ mConnected = true;
+ updateConnectionState(R.string.connected);
+ invalidateOptionsMenu();
+ } else if (BluetoothLeService.ACTION_GATT_DISCONNECTED.equals(action)) {
+ mConnected = false;
+ updateConnectionState(R.string.disconnected);
+ invalidateOptionsMenu();
+ clearUI();
+ } else if (BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED.equals(action)) {
+ // Show all the supported services and characteristics on the user interface.
+ displayGattServices(mBluetoothLeService.getSupportedGattServices());
+ } else if (BluetoothLeService.ACTION_DATA_AVAILABLE.equals(action)) {
+ displayData(intent.getStringExtra(BluetoothLeService.EXTRA_DATA));
+ }
+ }
+ };
+
+ // If a given GATT characteristic is selected, check for supported features. This sample
+ // demonstrates 'Read' and 'Notify' features. See
+ // http://d.android.com/reference/android/bluetooth/BluetoothGatt.html for the complete
+ // list of supported characteristic features.
+ private final ExpandableListView.OnChildClickListener servicesListClickListner =
+ new ExpandableListView.OnChildClickListener() {
+ @Override
+ public boolean onChildClick(ExpandableListView parent, View v, int groupPosition,
+ int childPosition, long id) {
+ if (mGattCharacteristics != null) {
+ final BluetoothGattCharacteristic characteristic =
+ mGattCharacteristics.get(groupPosition).get(childPosition);
+ final int charaProp = characteristic.getProperties();
+ if ((charaProp | BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
+ // If there is an active notification on a characteristic, clear
+ // it first so it doesn't update the data field on the user interface.
+ if (mNotifyCharacteristic != null) {
+ mBluetoothLeService.setCharacteristicNotification(
+ mNotifyCharacteristic, false);
+ mNotifyCharacteristic = null;
+ }
+ mBluetoothLeService.readCharacteristic(characteristic);
+ }
+ if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) {
+ mNotifyCharacteristic = characteristic;
+ mBluetoothLeService.setCharacteristicNotification(
+ characteristic, true);
+ }
+ return true;
+ }
+ return false;
+ }
+ };
+
+ private void clearUI() {
+ mGattServicesList.setAdapter((SimpleExpandableListAdapter) null);
+ mDataField.setText(R.string.no_data);
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.gatt_services_characteristics);
+
+ final Intent intent = getIntent();
+ mDeviceName = intent.getStringExtra(EXTRAS_DEVICE_NAME);
+ mDeviceAddress = intent.getStringExtra(EXTRAS_DEVICE_ADDRESS);
+
+ // Sets up UI references.
+ ((TextView) findViewById(R.id.device_address)).setText(mDeviceAddress);
+ mGattServicesList = (ExpandableListView) findViewById(R.id.gatt_services_list);
+ mGattServicesList.setOnChildClickListener(servicesListClickListner);
+ mConnectionState = (TextView) findViewById(R.id.connection_state);
+ mDataField = (TextView) findViewById(R.id.data_value);
+
+ getActionBar().setTitle(mDeviceName);
+ getActionBar().setDisplayHomeAsUpEnabled(true);
+ Intent gattServiceIntent = new Intent(this, BluetoothLeService.class);
+ bindService(gattServiceIntent, mServiceConnection, BIND_AUTO_CREATE);
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ registerReceiver(mGattUpdateReceiver, makeGattUpdateIntentFilter());
+ if (mBluetoothLeService != null) {
+ final boolean result = mBluetoothLeService.connect(mDeviceAddress);
+ Log.d(TAG, "Connect request result=" + result);
+ }
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ unregisterReceiver(mGattUpdateReceiver);
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ unbindService(mServiceConnection);
+ mBluetoothLeService = null;
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ getMenuInflater().inflate(R.menu.gatt_services, menu);
+ if (mConnected) {
+ menu.findItem(R.id.menu_connect).setVisible(false);
+ menu.findItem(R.id.menu_disconnect).setVisible(true);
+ } else {
+ menu.findItem(R.id.menu_connect).setVisible(true);
+ menu.findItem(R.id.menu_disconnect).setVisible(false);
+ }
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch(item.getItemId()) {
+ case R.id.menu_connect:
+ mBluetoothLeService.connect(mDeviceAddress);
+ return true;
+ case R.id.menu_disconnect:
+ mBluetoothLeService.disconnect();
+ return true;
+ case android.R.id.home:
+ onBackPressed();
+ return true;
+ }
+ return super.onOptionsItemSelected(item);
+ }
+
+ private void updateConnectionState(final int resourceId) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ mConnectionState.setText(resourceId);
+ }
+ });
+ }
+
+ private void displayData(String data) {
+ if (data != null) {
+ mDataField.setText(data);
+ }
+ }
+
+ // Demonstrates how to iterate through the supported GATT Services/Characteristics.
+ // In this sample, we populate the data structure that is bound to the ExpandableListView
+ // on the UI.
+ private void displayGattServices(List<BluetoothGattService> gattServices) {
+ if (gattServices == null) return;
+ String uuid = null;
+ String unknownServiceString = getResources().getString(R.string.unknown_service);
+ String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
+ ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
+ ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData
+ = new ArrayList<ArrayList<HashMap<String, String>>>();
+ mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();
+
+ // Loops through available GATT Services.
+ for (BluetoothGattService gattService : gattServices) {
+ HashMap<String, String> currentServiceData = new HashMap<String, String>();
+ uuid = gattService.getUuid().toString();
+ currentServiceData.put(
+ LIST_NAME, SampleGattAttributes.lookup(uuid, unknownServiceString));
+ currentServiceData.put(LIST_UUID, uuid);
+ gattServiceData.add(currentServiceData);
+
+ ArrayList<HashMap<String, String>> gattCharacteristicGroupData =
+ new ArrayList<HashMap<String, String>>();
+ List<BluetoothGattCharacteristic> gattCharacteristics =
+ gattService.getCharacteristics();
+ ArrayList<BluetoothGattCharacteristic> charas =
+ new ArrayList<BluetoothGattCharacteristic>();
+
+ // Loops through available Characteristics.
+ for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
+ charas.add(gattCharacteristic);
+ HashMap<String, String> currentCharaData = new HashMap<String, String>();
+ uuid = gattCharacteristic.getUuid().toString();
+ currentCharaData.put(
+ LIST_NAME, SampleGattAttributes.lookup(uuid, unknownCharaString));
+ currentCharaData.put(LIST_UUID, uuid);
+ gattCharacteristicGroupData.add(currentCharaData);
+ }
+ mGattCharacteristics.add(charas);
+ gattCharacteristicData.add(gattCharacteristicGroupData);
+ }
+
+ SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(
+ this,
+ gattServiceData,
+ android.R.layout.simple_expandable_list_item_2,
+ new String[] {LIST_NAME, LIST_UUID},
+ new int[] { android.R.id.text1, android.R.id.text2 },
+ gattCharacteristicData,
+ android.R.layout.simple_expandable_list_item_2,
+ new String[] {LIST_NAME, LIST_UUID},
+ new int[] { android.R.id.text1, android.R.id.text2 }
+ );
+ mGattServicesList.setAdapter(gattServiceAdapter);
+ }
+
+ private static IntentFilter makeGattUpdateIntentFilter() {
+ final IntentFilter intentFilter = new IntentFilter();
+ intentFilter.addAction(BluetoothLeService.ACTION_GATT_CONNECTED);
+ intentFilter.addAction(BluetoothLeService.ACTION_GATT_DISCONNECTED);
+ intentFilter.addAction(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED);
+ intentFilter.addAction(BluetoothLeService.ACTION_DATA_AVAILABLE);
+ return intentFilter;
+ }
+}
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceScanActivity.java b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceScanActivity.java
new file mode 100644
index 0000000..1cc954d
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/DeviceScanActivity.java
@@ -0,0 +1,269 @@
+/*
+ * Copyright (C) 2013 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bluetooth.le;
+
+import android.app.Activity;
+import android.app.ListActivity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.UUID;
+
+/**
+ * Activity for scanning and displaying available Bluetooth LE devices.
+ */
+public class DeviceScanActivity extends ListActivity {
+ private LeDeviceListAdapter mLeDeviceListAdapter;
+ private BluetoothAdapter mBluetoothAdapter;
+ private boolean mScanning;
+ private Handler mHandler;
+
+ private static final int REQUEST_ENABLE_BT = 1;
+ // Stops scanning after 10 seconds.
+ private static final long SCAN_PERIOD = 10000;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ getActionBar().setTitle(R.string.title_devices);
+ mHandler = new Handler();
+
+ // Use this check to determine whether BLE is supported on the device. Then you can
+ // selectively disable BLE-related features.
+ if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
+ Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
+ finish();
+ }
+
+ // Initializes a Bluetooth adapter. For API level 18 and above, get a reference to
+ // BluetoothAdapter through BluetoothManager.
+ final BluetoothManager bluetoothManager =
+ (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
+ mBluetoothAdapter = bluetoothManager.getAdapter();
+
+ // Checks if Bluetooth is supported on the device.
+ if (mBluetoothAdapter == null) {
+ Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
+ finish();
+ return;
+ }
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ getMenuInflater().inflate(R.menu.main, menu);
+ if (!mScanning) {
+ menu.findItem(R.id.menu_stop).setVisible(false);
+ menu.findItem(R.id.menu_scan).setVisible(true);
+ menu.findItem(R.id.menu_refresh).setActionView(null);
+ } else {
+ menu.findItem(R.id.menu_stop).setVisible(true);
+ menu.findItem(R.id.menu_scan).setVisible(false);
+ menu.findItem(R.id.menu_refresh).setActionView(
+ R.layout.actionbar_indeterminate_progress);
+ }
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.menu_scan:
+ mLeDeviceListAdapter.clear();
+ scanLeDevice(true);
+ break;
+ case R.id.menu_stop:
+ scanLeDevice(false);
+ break;
+ }
+ return true;
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+
+ // Ensures Bluetooth is enabled on the device. If Bluetooth is not currently enabled,
+ // fire an intent to display a dialog asking the user to grant permission to enable it.
+ if (!mBluetoothAdapter.isEnabled()) {
+ if (!mBluetoothAdapter.isEnabled()) {
+ Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+ startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
+ }
+ }
+
+ // Initializes list view adapter.
+ mLeDeviceListAdapter = new LeDeviceListAdapter();
+ setListAdapter(mLeDeviceListAdapter);
+ scanLeDevice(true);
+ }
+
+ @Override
+ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+ // User chose not to enable Bluetooth.
+ if (requestCode == REQUEST_ENABLE_BT && resultCode == Activity.RESULT_CANCELED) {
+ finish();
+ return;
+ }
+ super.onActivityResult(requestCode, resultCode, data);
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ scanLeDevice(false);
+ mLeDeviceListAdapter.clear();
+ }
+
+ @Override
+ protected void onListItemClick(ListView l, View v, int position, long id) {
+ final BluetoothDevice device = mLeDeviceListAdapter.getDevice(position);
+ if (device == null) return;
+ final Intent intent = new Intent(this, DeviceControlActivity.class);
+ intent.putExtra(DeviceControlActivity.EXTRAS_DEVICE_NAME, device.getName());
+ intent.putExtra(DeviceControlActivity.EXTRAS_DEVICE_ADDRESS, device.getAddress());
+ if (mScanning) {
+ mBluetoothAdapter.stopLeScan(mLeScanCallback);
+ mScanning = false;
+ }
+ startActivity(intent);
+ }
+
+ private void scanLeDevice(final boolean enable) {
+ if (enable) {
+ // Stops scanning after a pre-defined scan period.
+ mHandler.postDelayed(new Runnable() {
+ @Override
+ public void run() {
+ mScanning = false;
+ mBluetoothAdapter.stopLeScan(mLeScanCallback);
+ invalidateOptionsMenu();
+ }
+ }, SCAN_PERIOD);
+
+ mScanning = true;
+ mBluetoothAdapter.startLeScan(mLeScanCallback);
+ } else {
+ mScanning = false;
+ mBluetoothAdapter.stopLeScan(mLeScanCallback);
+ }
+ invalidateOptionsMenu();
+ }
+
+ // Adapter for holding devices found through scanning.
+ private class LeDeviceListAdapter extends BaseAdapter {
+ private ArrayList<BluetoothDevice> mLeDevices;
+ private LayoutInflater mInflator;
+
+ public LeDeviceListAdapter() {
+ super();
+ mLeDevices = new ArrayList<BluetoothDevice>();
+ mInflator = DeviceScanActivity.this.getLayoutInflater();
+ }
+
+ public void addDevice(BluetoothDevice device) {
+ if(!mLeDevices.contains(device)) {
+ mLeDevices.add(device);
+ }
+ }
+
+ public BluetoothDevice getDevice(int position) {
+ return mLeDevices.get(position);
+ }
+
+ public void clear() {
+ mLeDevices.clear();
+ }
+
+ @Override
+ public int getCount() {
+ return mLeDevices.size();
+ }
+
+ @Override
+ public Object getItem(int i) {
+ return mLeDevices.get(i);
+ }
+
+ @Override
+ public long getItemId(int i) {
+ return i;
+ }
+
+ @Override
+ public View getView(int i, View view, ViewGroup viewGroup) {
+ ViewHolder viewHolder;
+ // General ListView optimization code.
+ if (view == null) {
+ view = mInflator.inflate(R.layout.listitem_device, null);
+ viewHolder = new ViewHolder();
+ viewHolder.deviceAddress = (TextView) view.findViewById(R.id.device_address);
+ viewHolder.deviceName = (TextView) view.findViewById(R.id.device_name);
+ view.setTag(viewHolder);
+ } else {
+ viewHolder = (ViewHolder) view.getTag();
+ }
+
+ BluetoothDevice device = mLeDevices.get(i);
+ final String deviceName = device.getName();
+ if (deviceName != null && deviceName.length() > 0)
+ viewHolder.deviceName.setText(deviceName);
+ else
+ viewHolder.deviceName.setText(R.string.unknown_device);
+ viewHolder.deviceAddress.setText(device.getAddress());
+
+ return view;
+ }
+ }
+
+ // Device scan callback.
+ private BluetoothAdapter.LeScanCallback mLeScanCallback =
+ new BluetoothAdapter.LeScanCallback() {
+
+ @Override
+ public void onLeScan(final BluetoothDevice device, int rssi, byte[] scanRecord) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ mLeDeviceListAdapter.addDevice(device);
+ mLeDeviceListAdapter.notifyDataSetChanged();
+ }
+ });
+ }
+ };
+
+ static class ViewHolder {
+ TextView deviceName;
+ TextView deviceAddress;
+ }
+}
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/SampleGattAttributes.java b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/SampleGattAttributes.java
new file mode 100644
index 0000000..255653e
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/java/com/example/bluetooth/le/SampleGattAttributes.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bluetooth.le;
+
+import java.util.HashMap;
+
+/**
+ * This class includes a small subset of standard GATT attributes for demonstration purposes.
+ */
+public class SampleGattAttributes {
+ private static HashMap<String, String> attributes = new HashMap();
+ public static String HEART_RATE_MEASUREMENT = "00002a37-0000-1000-8000-00805f9b34fb";
+ public static String CLIENT_CHARACTERISTIC_CONFIG = "00002902-0000-1000-8000-00805f9b34fb";
+
+ static {
+ // Sample Services.
+ attributes.put("0000180d-0000-1000-8000-00805f9b34fb", "Heart Rate Service");
+ attributes.put("0000180a-0000-1000-8000-00805f9b34fb", "Device Information Service");
+ // Sample Characteristics.
+ attributes.put(HEART_RATE_MEASUREMENT, "Heart Rate Measurement");
+ attributes.put("00002a29-0000-1000-8000-00805f9b34fb", "Manufacturer Name String");
+ }
+
+ public static String lookup(String uuid, String defaultName) {
+ String name = attributes.get(uuid);
+ return name == null ? defaultName : name;
+ }
+}
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-hdpi/ic_launcher.png b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-hdpi/ic_launcher.png
new file mode 100755
index 0000000..15367c0
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-hdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-mdpi/ic_launcher.png b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-mdpi/ic_launcher.png
new file mode 100755
index 0000000..ba810a7
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-mdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xhdpi/ic_launcher.png b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xhdpi/ic_launcher.png
new file mode 100755
index 0000000..14f1d74
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xhdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xxhdpi/ic_launcher.png b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xxhdpi/ic_launcher.png
new file mode 100755
index 0000000..81ff9cc
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/drawable-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/actionbar_indeterminate_progress.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/actionbar_indeterminate_progress.xml
new file mode 100644
index 0000000..a950833
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/actionbar_indeterminate_progress.xml
@@ -0,0 +1,23 @@
+<!--
+ Copyright 2013 Google Inc.
+
+ 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ -->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_height="wrap_content"
+ android:layout_width="56dp"
+ android:minWidth="56dp">
+ <ProgressBar android:layout_width="32dp"
+ android:layout_height="32dp"
+ android:layout_gravity="center"/>
+</FrameLayout>
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/gatt_services_characteristics.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/gatt_services_characteristics.xml
new file mode 100644
index 0000000..2f31061
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/gatt_services_characteristics.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_margin="10dp">
+ <LinearLayout android:orientation="horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_margin="10dp">
+ <TextView android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/label_device_address"
+ android:textSize="18sp"/>
+ <Space android:layout_width="5dp"
+ android:layout_height="wrap_content"/>
+ <TextView android:id="@+id/device_address"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:textSize="18sp"/>
+ </LinearLayout>
+ <LinearLayout android:orientation="horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_margin="10dp">
+ <TextView android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/label_state"
+ android:textSize="18sp"/>
+ <Space android:layout_width="5dp"
+ android:layout_height="wrap_content"/>
+ <TextView android:id="@+id/connection_state"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/disconnected"
+ android:textSize="18sp"/>
+ </LinearLayout>
+ <LinearLayout android:orientation="horizontal"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_margin="10dp">
+ <TextView android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:text="@string/label_data"
+ android:textSize="18sp"/>
+ <Space android:layout_width="5dp"
+ android:layout_height="wrap_content"/>
+ <TextView android:id="@+id/data_value"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/no_data"
+ android:textSize="18sp"/>
+ </LinearLayout>
+ <ExpandableListView android:id="@+id/gatt_services_list"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/listitem_device.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/listitem_device.xml
new file mode 100644
index 0000000..eff44fc
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/layout/listitem_device.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content">
+ <TextView android:id="@+id/device_name"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:textSize="24dp"/>
+ <TextView android:id="@+id/device_address"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:textSize="12dp"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/gatt_services.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/gatt_services.xml
new file mode 100644
index 0000000..464d32f
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/gatt_services.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+ <item android:id="@+id/menu_refresh"
+ android:checkable="false"
+ android:orderInCategory="1"
+ android:showAsAction="ifRoom"/>
+ <item android:id="@+id/menu_connect"
+ android:title="@string/menu_connect"
+ android:orderInCategory="100"
+ android:showAsAction="ifRoom|withText"/>
+ <item android:id="@+id/menu_disconnect"
+ android:title="@string/menu_disconnect"
+ android:orderInCategory="101"
+ android:showAsAction="ifRoom|withText"/>
+</menu>
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/main.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/main.xml
new file mode 100644
index 0000000..39dd66a
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/menu/main.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+ <item android:id="@+id/menu_refresh"
+ android:checkable="false"
+ android:orderInCategory="1"
+ android:showAsAction="ifRoom"/>
+ <item android:id="@+id/menu_scan"
+ android:title="@string/menu_scan"
+ android:orderInCategory="100"
+ android:showAsAction="ifRoom|withText"/>
+ <item android:id="@+id/menu_stop"
+ android:title="@string/menu_stop"
+ android:orderInCategory="101"
+ android:showAsAction="ifRoom|withText"/>
+</menu>
diff --git a/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/values/strings.xml b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/values/strings.xml
new file mode 100644
index 0000000..d828aa0
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/BluetoothLeGatt/src/main/res/values/strings.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<resources>
+ <string name="app_name">BLE Sample</string>
+ <string name="ble_not_supported">BLE is not supported</string>
+ <string name="label_data">Data:</string>
+ <string name="label_device_address">Device address:</string>
+ <string name="label_state">State:</string>
+ <string name="no_data">No data</string>
+ <string name="connected">Connected</string>
+ <string name="disconnected">Disconnected</string>
+ <string name="title_devices">BLE Device Scan</string>
+ <string name="error_bluetooth_not_supported">Bluetooth not supported.</string>
+
+ <string name="unknown_device">Unknown device</string>
+ <string name="unknown_characteristic">Unknown characteristic</string>
+ <string name="unknown_service">Unknown service</string>
+
+ <!-- Menu items -->
+ <string name="menu_connect">Connect</string>
+ <string name="menu_disconnect">Disconnect</string>
+ <string name="menu_scan">Scan</string>
+ <string name="menu_stop">Stop</string>
+</resources>
diff --git a/connectivity/bluetooth/BluetoothLeGatt/build.gradle b/connectivity/bluetooth/BluetoothLeGatt/build.gradle
new file mode 100644
index 0000000..495c503
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/build.gradle
@@ -0,0 +1 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..8c0fb64
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..5c22dec
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Apr 10 15:27:10 PDT 2013
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.6-bin.zip
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradlew b/connectivity/bluetooth/BluetoothLeGatt/gradlew
new file mode 100755
index 0000000..91a7e26
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+ echo "$*"
+}
+
+die ( ) {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+ [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=$((i+1))
+ done
+ case $i in
+ (0) set -- ;;
+ (1) set -- "$args0" ;;
+ (2) set -- "$args0" "$args1" ;;
+ (3) set -- "$args0" "$args1" "$args2" ;;
+ (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+ JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat b/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat
new file mode 100644
index 0000000..aec9973
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/connectivity/bluetooth/BluetoothLeGatt/settings.gradle b/connectivity/bluetooth/BluetoothLeGatt/settings.gradle
new file mode 100644
index 0000000..639c5c8
--- /dev/null
+++ b/connectivity/bluetooth/BluetoothLeGatt/settings.gradle
@@ -0,0 +1 @@
+include ':BluetoothLeGatt'
