| /* |
| * Copyright (C) 2016 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.server; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.hardware.Sensor; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.SensorManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.util.Slog; |
| |
| public class SensorNotificationService extends SystemService implements SensorEventListener { |
| //TODO: set DBG to false or remove Slog before release |
| private static final boolean DBG = true; |
| private static final String TAG = "SensorNotificationService"; |
| private Context mContext; |
| |
| private SensorManager mSensorManager; |
| private Sensor mMetaSensor; |
| |
| public SensorNotificationService(Context context) { |
| super(context); |
| mContext = context; |
| } |
| |
| public void onStart() { |
| LocalServices.addService(SensorNotificationService.class, this); |
| } |
| |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { |
| // start |
| mSensorManager = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE); |
| mMetaSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_DYNAMIC_SENSOR_META); |
| if (mMetaSensor == null) { |
| if (DBG) Slog.d(TAG, "Cannot obtain dynamic meta sensor, not supported."); |
| } else { |
| mSensorManager.registerListener(this, mMetaSensor, |
| SensorManager.SENSOR_DELAY_FASTEST); |
| } |
| } |
| } |
| |
| private void broadcastDynamicSensorChanged() { |
| Intent i = new Intent(Intent.ACTION_DYNAMIC_SENSOR_CHANGED); |
| i.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); // avoid waking up manifest receivers |
| mContext.sendBroadcastAsUser(i, UserHandle.ALL); |
| if (DBG) Slog.d(TAG, "DYNS sent dynamic sensor broadcast"); |
| } |
| |
| @Override |
| public void onSensorChanged(SensorEvent event) { |
| if (event.sensor == mMetaSensor) { |
| broadcastDynamicSensorChanged(); |
| } |
| } |
| |
| @Override |
| public void onAccuracyChanged(Sensor sensor, int accuracy) { |
| |
| } |
| } |
| |