forked from upstream-mirrors/OpenTracks
Dennis Guse
70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package de.dennisguse.opentracks.sensors;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothGattCharacteristic;
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import android.bluetooth.BluetoothManager;
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import android.content.Context;
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import android.util.Log;
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import java.util.UUID;
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import de.dennisguse.opentracks.data.models.BatteryLevel;
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/**
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* Utilities for dealing with bluetooth devices.
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*
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* @author Rodrigo Damazio
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*/
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public class BluetoothUtils {
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public static final UUID CLIENT_CHARACTERISTIC_CONFIG_UUID = new UUID(0x290200001000L, 0x800000805f9b34fbL);
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public static final ServiceMeasurementUUID BATTERY = new ServiceMeasurementUUID(
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new UUID(0x180F00001000L, 0x800000805f9b34fbL),
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new UUID(0x2A1900001000L, 0x800000805f9b34fbL)
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);
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private static final String TAG = BluetoothUtils.class.getSimpleName();
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public static BluetoothAdapter getAdapter(Context context) {
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BluetoothManager bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);
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if (bluetoothManager == null) {
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Log.i(TAG, "BluetoothManager not available.");
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return null;
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} else {
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return bluetoothManager.getAdapter();
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}
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}
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public static boolean hasBluetooth(Context context) {
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return BluetoothUtils.getAdapter(context) != null;
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}
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public static BatteryLevel parseBatteryLevel(BluetoothGattCharacteristic characteristic) {
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// DOCUMENTATION org.bluetooth.characteristic.battery_level.xml
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byte[] raw = characteristic.getValue();
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if (raw.length == 0) {
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return null;
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}
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final int batteryLevel = characteristic.getIntValue(BluetoothGattCharacteristic.FORMAT_UINT8, 0);
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return BatteryLevel.of(batteryLevel);
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}
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}
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