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Simple Android service that will turn the screen on when the proximity sensor reports a object is close to the device.
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| <uses-permission android:name="android.permission.WAKE_LOCK" /> | |
| <service android:name=".ProxService" /> |
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| import android.app.Service; | |
| import android.content.Context; | |
| import android.content.Intent; | |
| import android.hardware.Sensor; | |
| import android.hardware.SensorEvent; | |
| import android.hardware.SensorEventListener; | |
| import android.hardware.SensorManager; | |
| import android.os.IBinder; | |
| import android.os.PowerManager; | |
| public class ProxService extends Service implements SensorEventListener { | |
| @Override | |
| public void onCreate() { | |
| SensorManager sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE); | |
| Sensor proximitySensor = sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY); | |
| if (proximitySensor == null) | |
| stopSelf(); | |
| else | |
| sensorManager | |
| .registerListener(this, proximitySensor, SensorManager.SENSOR_DELAY_NORMAL); | |
| } | |
| @Override | |
| public void onSensorChanged(SensorEvent event) { | |
| if (event.sensor.getType() == Sensor.TYPE_PROXIMITY) { | |
| if (event.values[0] < event.sensor.getMaximumRange()) { | |
| PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); | |
| PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK | |
| | PowerManager.ACQUIRE_CAUSES_WAKEUP, "CHESS"); | |
| wl.acquire(); | |
| try { | |
| Thread.sleep(30 * 1000); // 30 seconds | |
| } catch (Exception e) { | |
| } finally { | |
| wl.release(); | |
| } | |
| } | |
| } | |
| } | |
| @Override | |
| public void onAccuracyChanged(Sensor sensor, int accuracy) { | |
| } | |
| @Override | |
| public IBinder onBind(Intent arg0) { | |
| return null; | |
| } | |
| } |
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