1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.android.car.kitchensink.sensor; 18 19 import android.Manifest; 20 import android.annotation.Nullable; 21 import android.car.Car; 22 import android.content.pm.PackageManager; 23 import android.location.Location; 24 import android.os.Bundle; 25 import android.os.Handler; 26 import android.support.car.CarNotConnectedException; 27 import android.support.car.hardware.CarSensorEvent; 28 import android.support.car.hardware.CarSensorManager; 29 import android.support.v4.app.Fragment; 30 import android.text.TextUtils; 31 import android.util.Log; 32 import android.view.LayoutInflater; 33 import android.view.View; 34 import android.view.ViewGroup; 35 import android.widget.TextView; 36 37 import com.google.android.car.kitchensink.KitchenSinkActivity; 38 import com.google.android.car.kitchensink.R; 39 40 import java.text.DateFormat; 41 import java.text.SimpleDateFormat; 42 import java.util.ArrayList; 43 import java.util.Date; 44 import java.util.HashSet; 45 import java.util.List; 46 import java.util.Map; 47 import java.util.Set; 48 import java.util.concurrent.ConcurrentHashMap; 49 50 public class SensorsTestFragment extends Fragment { 51 private static final String TAG = "CAR.SENSOR.KS"; 52 private static final boolean DBG = true; 53 private static final boolean DBG_VERBOSE = false; 54 private static final int KS_PERMISSIONS_REQUEST = 1; 55 56 private final static String[] REQUIRED_PERMISSIONS = new String[]{ 57 Manifest.permission.ACCESS_FINE_LOCATION, 58 Manifest.permission.ACCESS_COARSE_LOCATION, 59 Car.PERMISSION_MILEAGE, 60 Car.PERMISSION_FUEL, 61 Car.PERMISSION_SPEED 62 }; 63 64 private final CarSensorManager.OnSensorChangedListener mOnSensorChangedListener = 65 new CarSensorManager.OnSensorChangedListener() { 66 @Override 67 public void onSensorChanged(CarSensorManager manager, CarSensorEvent event) { 68 if (DBG_VERBOSE) { 69 Log.v(TAG, "New car sensor event: " + event); 70 } 71 synchronized (SensorsTestFragment.this) { 72 mEventMap.put(event.sensorType, event); 73 } 74 refreshUi(); 75 } 76 }; 77 private final Handler mHandler = new Handler(); 78 private final Map<Integer, CarSensorEvent> mEventMap = new ConcurrentHashMap<>(); 79 private final DateFormat mDateFormat = SimpleDateFormat.getDateTimeInstance(); 80 81 private KitchenSinkActivity mActivity; 82 private TextView mSensorInfo; 83 private Car mCar; 84 private CarSensorManager mSensorManager; 85 private String mNaString; 86 private int[] supportedSensors = new int[0]; 87 private Set<String> mActivePermissions = new HashSet<String>(); 88 89 90 @Nullable 91 @Override 92 public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, 93 @Nullable Bundle savedInstanceState) { 94 if (DBG) { 95 Log.i(TAG, "onCreateView"); 96 } 97 98 View view = inflater.inflate(R.layout.sensors, container, false); 99 mActivity = (KitchenSinkActivity) getHost(); 100 101 mSensorInfo = (TextView) view.findViewById(R.id.sensor_info); 102 mNaString = getContext().getString(R.string.sensor_na); 103 104 return view; 105 } 106 107 @Override 108 public void onResume() { 109 super.onResume(); 110 initPermissions(); 111 } 112 113 @Override 114 public void onPause() { 115 super.onPause(); 116 if (mSensorManager != null) { 117 mSensorManager.removeListener(mOnSensorChangedListener); 118 } 119 } 120 121 private void initSensors() { 122 try { 123 mSensorManager = (CarSensorManager) 124 mActivity.getCar().getCarManager(Car.SENSOR_SERVICE); 125 supportedSensors = mSensorManager.getSupportedSensors(); 126 for (Integer sensor : supportedSensors) { 127 if ((sensor == CarSensorManager.SENSOR_TYPE_LOCATION 128 || sensor == CarSensorManager.SENSOR_TYPE_GPS_SATELLITE) 129 && !mActivePermissions.contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 130 continue; 131 } 132 mSensorManager.addListener(mOnSensorChangedListener, sensor, 133 CarSensorManager.SENSOR_RATE_NORMAL); 134 } 135 } catch (CarNotConnectedException e) { 136 Log.e(TAG, "Car not connected or not supported", e); 137 } 138 } 139 140 private void initPermissions() { 141 Set<String> missingPermissions = checkExistingPermissions(); 142 if (!missingPermissions.isEmpty()) { 143 requestPermissions(missingPermissions); 144 } else { 145 initSensors(); 146 } 147 } 148 149 private Set<String> checkExistingPermissions() { 150 Set<String> missingPermissions = new HashSet<String>(); 151 for (String permission : REQUIRED_PERMISSIONS) { 152 if (mActivity.checkSelfPermission(permission) 153 == PackageManager.PERMISSION_GRANTED) { 154 mActivePermissions.add(permission); 155 } else { 156 missingPermissions.add(permission); 157 } 158 } 159 return missingPermissions; 160 } 161 162 private void requestPermissions(Set<String> permissions) { 163 Log.d(TAG, "requesting additional permissions=" + permissions); 164 165 requestPermissions(permissions.toArray(new String[permissions.size()]), 166 KS_PERMISSIONS_REQUEST); 167 } 168 169 @Override 170 public void onRequestPermissionsResult(int requestCode, String[] permissions, 171 int[] grantResults) { 172 Log.d(TAG, "onRequestPermissionsResult reqCode=" + requestCode); 173 if (KS_PERMISSIONS_REQUEST == requestCode) { 174 for (int i=0; i<permissions.length; i++) { 175 if (grantResults[i] == PackageManager.PERMISSION_GRANTED) { 176 mActivePermissions.add(permissions[i]); 177 } 178 } 179 initSensors(); 180 } 181 } 182 183 private void refreshUi() { 184 String summaryString; 185 synchronized (this) { 186 List<String> summary = new ArrayList<>(); 187 for (Integer i : supportedSensors) { 188 CarSensorEvent event = mEventMap.get(i); 189 switch (i) { 190 case CarSensorManager.SENSOR_TYPE_COMPASS: 191 summary.add(getCompassString(event)); 192 break; 193 case CarSensorManager.SENSOR_TYPE_CAR_SPEED: 194 summary.add(getContext().getString(R.string.sensor_speed, 195 getTimestamp(event), 196 event == null ? mNaString : event.getCarSpeedData().carSpeed)); 197 break; 198 case CarSensorManager.SENSOR_TYPE_RPM: 199 summary.add(getContext().getString(R.string.sensor_rpm, 200 getTimestamp(event), 201 event == null ? mNaString : event.getRpmData().rpm)); 202 break; 203 case CarSensorManager.SENSOR_TYPE_ODOMETER: 204 summary.add(getContext().getString(R.string.sensor_odometer, 205 getTimestamp(event), 206 event == null ? mNaString : event.getOdometerData().kms)); 207 break; 208 case CarSensorManager.SENSOR_TYPE_FUEL_LEVEL: 209 String level = mNaString; 210 String range = mNaString; 211 String lowFuelWarning = mNaString; 212 if (event != null) { 213 CarSensorEvent.FuelLevelData fuelData = event.getFuelLevelData(); 214 level = fuelData.level == -1 ? level : String.valueOf(fuelData.level); 215 range = fuelData.range == -1 ? range : String.valueOf(fuelData.range); 216 lowFuelWarning = String.valueOf(fuelData.lowFuelWarning); 217 } 218 summary.add(getContext().getString(R.string.sensor_fuel_level, 219 getTimestamp(event), level, range, lowFuelWarning)); 220 break; 221 case CarSensorManager.SENSOR_TYPE_PARKING_BRAKE: 222 summary.add(getContext().getString(R.string.sensor_parking_break, 223 getTimestamp(event), 224 event == null ? mNaString : 225 event.getParkingBrakeData().isEngaged)); 226 break; 227 case CarSensorManager.SENSOR_TYPE_GEAR: 228 summary.add(getContext().getString(R.string.sensor_gear, 229 getTimestamp(event), 230 event == null ? mNaString : event.getGearData().gear)); 231 break; 232 case CarSensorManager.SENSOR_TYPE_NIGHT: 233 summary.add(getContext().getString(R.string.sensor_night, 234 getTimestamp(event), 235 event == null ? mNaString : event.getNightData().isNightMode)); 236 break; 237 case CarSensorManager.SENSOR_TYPE_LOCATION: 238 summary.add(getLocationString(event)); 239 break; 240 case CarSensorManager.SENSOR_TYPE_DRIVING_STATUS: 241 String drivingStatus = mNaString; 242 String binDrivingStatus = mNaString; 243 if (event != null) { 244 CarSensorEvent.DrivingStatusData drivingStatusData = 245 event.getDrivingStatusData(); 246 drivingStatus = String.valueOf(drivingStatusData.status); 247 binDrivingStatus = Integer.toBinaryString(drivingStatusData.status); 248 } 249 summary.add(getContext().getString(R.string.sensor_driving_status, 250 getTimestamp(event), drivingStatus, binDrivingStatus)); 251 break; 252 case CarSensorManager.SENSOR_TYPE_ENVIRONMENT: 253 String temperature = mNaString; 254 String pressure = mNaString; 255 if (event != null) { 256 CarSensorEvent.EnvironmentData env = event.getEnvironmentData(); 257 temperature = Float.isNaN(env.temperature) ? temperature : 258 String.valueOf(env.temperature); 259 pressure = Float.isNaN(env.pressure) ? pressure : 260 String.valueOf(env.pressure); 261 } 262 summary.add(getContext().getString(R.string.sensor_environment, 263 getTimestamp(event), temperature, pressure)); 264 break; 265 case CarSensorManager.SENSOR_TYPE_ACCELEROMETER: 266 summary.add(getAccelerometerString(event)); 267 break; 268 case CarSensorManager.SENSOR_TYPE_GPS_SATELLITE: 269 summary.add(getGpsSatelliteString(event)); 270 break; 271 case CarSensorManager.SENSOR_TYPE_GYROSCOPE: 272 summary.add(getGyroscopeString(event)); 273 break; 274 default: 275 // Should never happen. 276 Log.w(TAG, "Unrecognized event type: " + i); 277 } 278 } 279 summaryString = TextUtils.join("\n", summary); 280 } 281 mHandler.post(new Runnable() { 282 @Override 283 public void run() { 284 mSensorInfo.setText(summaryString); 285 } 286 }); 287 } 288 289 private String getTimestamp(CarSensorEvent event) { 290 if (event == null) { 291 return mNaString; 292 } 293 return mDateFormat.format(new Date(event.timestamp / 1000L)); 294 } 295 296 private String getCompassString(CarSensorEvent event) { 297 String bear = mNaString; 298 String pitch = mNaString; 299 String roll = mNaString; 300 if (event != null) { 301 CarSensorEvent.CompassData compass = event.getCompassData(); 302 bear = Float.isNaN(compass.bearing) ? bear : String.valueOf(compass.bearing); 303 pitch = Float.isNaN(compass.pitch) ? pitch : String.valueOf(compass.pitch); 304 roll = Float.isNaN(compass.roll) ? roll : String.valueOf(compass.roll); 305 } 306 return getContext().getString(R.string.sensor_compass, 307 getTimestamp(event), bear, pitch, roll); 308 } 309 310 private String getGyroscopeString(CarSensorEvent event) { 311 String x = mNaString; 312 String y = mNaString; 313 String z = mNaString; 314 if (event != null) { 315 CarSensorEvent.GyroscopeData gyro = event.getGyroscopeData(); 316 x = Float.isNaN(gyro.x) ? x : String.valueOf(gyro.x); 317 y = Float.isNaN(gyro.y) ? y : String.valueOf(gyro.y); 318 z = Float.isNaN(gyro.z) ? z : String.valueOf(gyro.z); 319 } 320 return getContext().getString(R.string.sensor_gyroscope, 321 getTimestamp(event), x, y, z); 322 } 323 324 private String getAccelerometerString(CarSensorEvent event) { 325 String x = mNaString; 326 String y = mNaString; 327 String z = mNaString; 328 if (event != null) { 329 CarSensorEvent.AccelerometerData gyro = event.getAccelerometerData(); 330 x = Float.isNaN(gyro.x) ? x : String.valueOf(gyro.x); 331 y = Float.isNaN(gyro.y) ? y : String.valueOf(gyro.y); 332 z = Float.isNaN(gyro.z) ? z : String.valueOf(gyro.z); 333 } 334 return getContext().getString(R.string.sensor_accelerometer, 335 getTimestamp(event), x, y, z); 336 } 337 338 private String getLocationString(CarSensorEvent event) { 339 String lat = mNaString; 340 String lon = mNaString; 341 String accuracy = mNaString; 342 String alt = mNaString; 343 String speed = mNaString; 344 String bearing = mNaString; 345 if (event != null) { 346 Location location = event.getLocation(null); 347 lat = String.valueOf(location.getLatitude()); 348 lon = String.valueOf(location.getLongitude()); 349 accuracy = location.hasAccuracy() ? String.valueOf(location.getAccuracy()) : accuracy; 350 alt = location.hasAltitude() ? String.valueOf(location.getAltitude()) : alt; 351 speed = location.hasSpeed() ? String.valueOf(location.getSpeed()) : speed; 352 bearing = location.hasBearing() ? String.valueOf(location.getBearing()) : bearing; 353 } 354 return getContext().getString(R.string.sensor_location, 355 getTimestamp(event), lat, lon, accuracy, alt, speed, bearing); 356 } 357 358 private String getGpsSatelliteString(CarSensorEvent event) { 359 String inUse = mNaString; 360 String inView = mNaString; 361 String perSattelite = ""; 362 if (event != null) { 363 CarSensorEvent.GpsSatelliteData gpsData = event.getGpsSatelliteData(true); 364 inUse = gpsData.numberInUse != -1 ? String.valueOf(gpsData.numberInUse) : inUse; 365 inView = gpsData.numberInView != -1 ? String.valueOf(gpsData.numberInView) : inView; 366 List<String> perSatteliteList = new ArrayList<>(); 367 int num = gpsData.usedInFix.length; 368 for (int i=0; i<num; i++) { 369 perSatteliteList.add(getContext().getString(R.string.sensor_single_gps_satellite, 370 i+1, gpsData.usedInFix[i], gpsData.prn[i], gpsData.snr[i], 371 gpsData.azimuth[i], gpsData.elevation[i])); 372 } 373 perSattelite = TextUtils.join(", ", perSatteliteList); 374 } 375 return getContext().getString(R.string.sensor_gps, 376 getTimestamp(event), inView, inUse, perSattelite); 377 } 378 } 379
