| /* |
| * Copyright (C) 2014 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.android.location.provider; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.hardware.location.IActivityRecognitionHardware; |
| import android.hardware.location.IActivityRecognitionHardwareWatcher; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| /** |
| * A watcher class for Activity-Recognition instances. |
| * |
| * @deprecated use {@link ActivityRecognitionProviderClient} instead. |
| * @hide |
| */ |
| @Deprecated |
| public class ActivityRecognitionProviderWatcher { |
| private static final String TAG = "ActivityRecognitionProviderWatcher"; |
| |
| private static ActivityRecognitionProviderWatcher sWatcher; |
| private static final Object sWatcherLock = new Object(); |
| |
| private ActivityRecognitionProvider mActivityRecognitionProvider; |
| |
| private ActivityRecognitionProviderWatcher() {} |
| |
| public static ActivityRecognitionProviderWatcher getInstance() { |
| synchronized (sWatcherLock) { |
| if (sWatcher == null) { |
| sWatcher = new ActivityRecognitionProviderWatcher(); |
| } |
| return sWatcher; |
| } |
| } |
| |
| private IActivityRecognitionHardwareWatcher.Stub mWatcherStub = |
| new IActivityRecognitionHardwareWatcher.Stub() { |
| @Override |
| public void onInstanceChanged(IActivityRecognitionHardware instance) { |
| int callingUid = Binder.getCallingUid(); |
| if (callingUid != Process.SYSTEM_UID) { |
| Log.d(TAG, "Ignoring calls from non-system server. Uid: " + callingUid); |
| return; |
| } |
| |
| try { |
| mActivityRecognitionProvider = new ActivityRecognitionProvider(instance); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error creating Hardware Activity-Recognition", e); |
| } |
| } |
| }; |
| |
| /** |
| * Gets the binder needed to interact with proxy provider in the platform. |
| */ |
| @NonNull |
| public IBinder getBinder() { |
| return mWatcherStub; |
| } |
| |
| /** |
| * Gets an object that supports the functionality of {@link ActivityRecognitionProvider}. |
| * |
| * @return Non-null value if the functionality is supported by the platform, false otherwise. |
| */ |
| @Nullable |
| public ActivityRecognitionProvider getActivityRecognitionProvider() { |
| return mActivityRecognitionProvider; |
| } |
| } |