android.hardware.SensorEventListener Java Examples

@NonNull
public static Observable<SensorEvent> observeSensorChanged(final SensorManager sensorManager,
                                                           final Sensor sensor, final int samplingPeriodUs) {
    return Observable.fromEmitter(new Action1<AsyncEmitter<SensorEvent>>() {
        @Override
        public void call(final AsyncEmitter<SensorEvent> sensorEventAsyncEmitter) {
            final SensorEventListener sensorListener = new SensorEventListener() {
                @Override
                public void onSensorChanged(SensorEvent sensorEvent) {
                    sensorEventAsyncEmitter.onNext(sensorEvent);
                }

                @Override
                public void onAccuracyChanged(Sensor originSensor, int i) {
                    // do nothing
                }
            };

            sensorEventAsyncEmitter.setCancellation(() -> sensorManager.unregisterListener(sensorListener, sensor));
            sensorManager.registerListener(sensorListener, sensor, samplingPeriodUs);
        }
    }, AsyncEmitter.BackpressureMode.LATEST);
}
 

private void listing16_13() {
  // Listing 16-13: Calculating an orientation change using the gyroscope Sensor
  final float nanosecondsPerSecond = 1.0f / 100000000.0f;
  final float[] angle = new float[3];

  SensorEventListener myGyroListener = new SensorEventListener() {
    public void onSensorChanged(SensorEvent sensorEvent) {
      if (lastTime != 0) {
        final float dT = (sensorEvent.timestamp - lastTime) *
                           nanosecondsPerSecond;
        angle[0] += sensorEvent.values[0] * dT;
        angle[1] += sensorEvent.values[1] * dT;
        angle[2] += sensorEvent.values[2] * dT;
      }
      lastTime = sensorEvent.timestamp;
    }

    public void onAccuracyChanged(Sensor sensor, int accuracy) {
    }
  };

  SensorManager sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

  int sensorType = Sensor.TYPE_GYROSCOPE;
  sm.registerListener(myGyroListener, sm.getDefaultSensor(sensorType), SensorManager.SENSOR_DELAY_NORMAL);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_gravity_sensor);
    //FOR CREATING SENSOR MANAGER
    SM =(SensorManager)getSystemService(SENSOR_SERVICE);
    //ACCELEROMETER
    mySensor = SM.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    //REGISTER SENSOR LISTENER
    SM.registerListener((SensorEventListener) this,mySensor,SensorManager.SENSOR_DELAY_NORMAL);


    //ASSIGN TEXTVIEW
    xText =(TextView) findViewById(R.id.xtext);
    yText =(TextView) findViewById(R.id.ytext);
    zText =(TextView) findViewById(R.id.ztext);
}
 

@Override
protected void beforeHookedMethod(XC_MethodHook.MethodHookParam param) throws Throwable {
    SensorEventListener listener = (SensorEventListener) XposedHelpers.getObjectField(param.thisObject, "mListener");
    int handle = (int) param.args[0];
    Object mgr = XposedHelpers.getObjectField(param.thisObject, "mManager");
    HashMap<Integer, Sensor> sensors = (HashMap<Integer, Sensor>) XposedHelpers.getObjectField(mgr, "mHandleToSensor");
    Sensor s = sensors.get(handle);

    if (listener instanceof VirtualSensorListener) {
        float[] values = this.mSensorChange.handleListener(s, (VirtualSensorListener) listener, ((float[]) param.args[1]).clone(), (int) param.args[2], (long) param.args[3], XposedMod.ACCELEROMETER_RESOLUTION, XposedMod.MAGNETIC_RESOLUTION);
        if (values != null) {
            System.arraycopy(values, 0, param.args[1], 0, values.length);
            param.args[0] = XposedMod.sensorTypetoHandle.get(((VirtualSensorListener) listener).getSensor().getType());
        }// else param.setResult(null);
    }
}
 

@Override
protected void beforeHookedMethod(XC_MethodHook.MethodHookParam param) throws Throwable {
    SensorEventListener listener = (SensorEventListener) XposedHelpers.getObjectField(param.thisObject, "mListener");
    int handle = (int) param.args[0];
    Object mgr = XposedHelpers.getObjectField(param.thisObject, "mManager");
    SparseArray<Sensor> sensors = (SparseArray<Sensor>) XposedHelpers.getObjectField(mgr, "mHandleToSensor");
    Sensor s = sensors.get(handle);

    if (listener instanceof VirtualSensorListener) {
        float[] values = this.mSensorChange.handleListener(s, (VirtualSensorListener) listener, ((float[]) param.args[1]).clone(), (int) param.args[2], (long) param.args[3], XposedMod.ACCELEROMETER_RESOLUTION, XposedMod.MAGNETIC_RESOLUTION);
        if (values != null) {
            System.arraycopy(values, 0, param.args[1], 0, values.length);
            param.args[0] = XposedMod.sensorTypetoHandle.get(((VirtualSensorListener) listener).getSensor().getType());
        }// else param.setResult(null);
    }
}
 

@Override
protected void onPause() {
    super.onPause();
    Log.d(TAG, "onPause");
    final SensorEventListener activity = this;

    JoH.runOnUiThreadDelayed(new Runnable() {
        @Override
        public void run() {
            Log.d(TAG, "Unregistering proximity sensor listener");
            try {
                mSensorManager.unregisterListener(activity);
            } catch (Exception e) {
                Log.d(TAG, "Error unregistering proximity listener: " + e);
            }
        }
    }, 10000);
}
 

protected SKAbstractNativeSensorModule(final Context context, final SKSensorModuleType sensorModuleType) throws SKException {
    super(context, sensorModuleType);

    mSensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
    mSensor = mSensorManager.getDefaultSensor(getSensorType(sensorModuleType));

    mSensorEventListener = new SensorEventListener() {

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            // Ignore
        }

        @Override
        public void onSensorChanged(SensorEvent event) {

            // Build the data object
            SKAbstractData data = buildData(event);

            // Submit sensor data object
            submitSensorData(data);
        }
    };
}
 

SensorEventListener createSensorEventListener(final EventChannel.EventSink events) {
  return new SensorEventListener() {
    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {
      if (mLastAccuracy != accuracy) {
        mLastAccuracy = accuracy;
      }
    }

    @Override
    public void onSensorChanged(SensorEvent event) {
      if (mLastAccuracy == SensorManager.SENSOR_STATUS_UNRELIABLE) {
        return;
      }

      updateOrientation(event.values, events);
    }
  };
}
 

private void listing16_9() {
  final SensorEventListener mySensorEventListener = new SensorEventListener() {
    // Listing 16-10: Calculating the device orientation using the rotation vector
    public void onSensorChanged(SensorEvent sensorEvent) {
      float[] rotationMatrix = new float[9];
      float[] orientation = new float[3];

      // Convert the result Vector to a Rotation Matrix.
      SensorManager.getRotationMatrixFromVector(rotationMatrix,
        sensorEvent.values);

      // Extract the orientation from the Rotation Matrix.
      SensorManager.getOrientation(rotationMatrix, orientation);
      Log.d(TAG, "Yaw: " + orientation[0]); // Yaw
      Log.d(TAG, "Pitch: " + orientation[1]); // Pitch
      Log.d(TAG, "Roll: " + orientation[2]); // Roll
    }

    public void onAccuracyChanged(Sensor sensor, int accuracy) { }
  };

  // Listing 16-9: Monitoring an accelerometer sensor
  SensorManager sm = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
  int sensorType = Sensor.TYPE_ACCELEROMETER;
  sm.registerListener(mySensorEventListener,
    sm.getDefaultSensor(sensorType),
    SensorManager.SENSOR_DELAY_NORMAL);
}
 

@Override
public void unregisterListener(SensorEventListener listener, int sensorType) {
    List<Sensor> sensors = mSensorManager.getSensorList(sensorType);
    if (!sensors.isEmpty()) {
        mSensorManager.unregisterListener(listener, sensors.get(0));
    }
}
 

SensorEventListener createSensorEventListener(final EventChannel.EventSink events) {
  return new SensorEventListener() {
    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {
    }

    @TargetApi(Build.VERSION_CODES.CUPCAKE)
    @Override
    public void onSensorChanged(SensorEvent event) {
      int stepCount = (int) event.values[0];
      events.success(stepCount);
    }
  };
}
 

public void registerSensorListener(Context context,
        SensorEventListener sensorListener, Handler handler) {
    SensorManager sensorManager = context.getSystemService(SensorManager.class);
    Sensor lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
    sensorManager.registerListener(sensorListener,
            lightSensor, SensorManager.SENSOR_DELAY_NORMAL, handler);
}
 

SensorEventListener createSensorEventListener(final EventChannel.EventSink events) {
  return new SensorEventListener() {
    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {
    }

    @TargetApi(Build.VERSION_CODES.CUPCAKE)
    @Override
    public void onSensorChanged(SensorEvent event) {
      int lux = (int) event.values[0];
      events.success(lux);
    }
  };
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("x", event.values[0]);
            r.put("y", event.values[1]);
            r.put("z", event.values[2]);
            mCallback.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

/**
 * 反注册光线传感器监听器
 * @param sensorManager
 * @param listener
 */
public static void unregisterLightSensor(SensorManager sensorManager,SensorEventListener listener) {
    if(sensorManager == null || listener == null){
        return;
    }
    sensorManager.unregisterListener(listener);
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            if (mCallback != null) {
                ReturnObject r = new ReturnObject();
                r.put("x", event.values[0]);
                r.put("y", event.values[1]);
                r.put("z", event.values[2]);
                float force = (float) Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2));
                r.put("force", force);
                mCallback.event(r);
            }
        }


        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@PhonkMethod(description = "Start the light sensor. Returns the intensity. The value per device might vary", example = "")
@PhonkMethodParam(params = {"function(intensity)"})
public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("intensity", event.values[0]);
            mCallbackLightChange.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@PhonkMethod(description = "Start the magneticField sensor", example = "")
@PhonkMethodParam(params = {"function(value)"})
public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("x", event.values[0]);
            r.put("y", event.values[1]);
            r.put("z", event.values[2]);
            mCallbackMagneticChange.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@PhonkMethod(description = "Start the proximity sensor. Returns a proximity value. It might differ per device", example = "")
@PhonkMethodParam(params = {"function(proximity)"})
public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("distance", event.values[0]);
            mCallback.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            if (mCallback != null) {
                ReturnObject r = new ReturnObject();
                r.put("x", event.values[0]);
                r.put("y", event.values[1]);
                r.put("z", event.values[2]);
                float force = (float) Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2));
                r.put("force", force);
                mCallback.event(r);
            }
        }


        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            if (mCallback != null) {
                ReturnObject r = new ReturnObject();
                r.put("x", event.values[0]);
                r.put("y", event.values[1]);
                r.put("z", event.values[2]);
                float force = (float) Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2));
                r.put("force", force);
                mCallback.event(r);
                MLog.d(TAG, "accelerometer changed");
            }
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            if (mCallback != null) {
                ReturnObject r = new ReturnObject();
                r.put("x", event.values[0]);
                r.put("y", event.values[1]);
                r.put("z", event.values[2]);
                mCallback.event(r);
            }
        }


        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@PhonkMethod(description = "Start the proximity sensor. Returns a proximity value. It might differ per device", example = "")
@PhonkMethodParam(params = {"function(proximity)"})
public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("humidity", event.values[0]);
            mCallback.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@PhonkMethod(description = "Start the step counter. Not superacurate and only few devices", example = "")
@PhonkMethodParam(params = {"function(value)"})
public void start() {
    super.start();

    mListener = new SensorEventListener() {
        @Override
        public void onSensorChanged(SensorEvent event) {
            mCallback.event(null);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

public void start() {
    super.start();

    mListener = new SensorEventListener() {

        @Override
        public void onSensorChanged(SensorEvent event) {
            ReturnObject r = new ReturnObject();
            r.put("bar", event.values[0]);
            mCallback.event(r);
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {
            switch (accuracy) {
                case SensorManager.SENSOR_STATUS_UNRELIABLE:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
                    break;
                case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
                    break;
            }
        }

    };

    isEnabled = mSensormanager.registerListener(mListener, sensor, speed);
}
 

@Override
public boolean registerListener(SensorEventListener listener, int sensorType, int rate,
        Handler handler) {
    List<Sensor> sensors = mSensorManager.getSensorList(sensorType);
    if (sensors.isEmpty()) {
        return false;
    }
    return mSensorManager.registerListener(listener, sensors.get(0), rate, handler);
}
 

private void sensorAction(int action, AndroidSensorWrapper androidSensorWrapper) {
  SensorEventListener sensorEventListener = androidSensorWrapper.getSensorEventListener();
  Sensor sensor = sensorManager.getDefaultSensor(androidSensorWrapper.getAndroidSensorType());
  //if (action == REGISTER && androidSensorWrapper.isEnabled()){
  if (action == REGISTER){
    sensorManager.registerListener(sensorEventListener, sensor, SensorManager.SENSOR_DELAY_NORMAL);
    androidSensorWrapper.setRegistered(true);
  }else if (action == UNREGISTER){
    //}else if (action == UNREGISTER
    //    && androidSensorWrapper.isEnabled() && androidSensorWrapper.isRegistered()){
    sensorManager.unregisterListener(sensorEventListener, sensor);
    androidSensorWrapper.setRegistered(false);
  }
}
 

public SensorEventListener getSensorEventListener(int sensorType) {
    SensorEventListener sensorEventListener = sensorEventListeners.get(sensorType);
    if (sensorEventListener == null) {
        sensorEventListener = createSensorEventListener(sensorType);
        sensorEventListeners.put(sensorType, sensorEventListener);
    }
    return sensorEventListener;
}
 

@Override
public void unregisterListener(SensorEventListener listener, int sensorType) {
    List<Sensor> sensors = mSensorManager.getSensorList(sensorType);
    if (sensors.isEmpty()) {
        return;
    }
    try {
        mSensorManager.unregisterListener(listener, sensors.get(0));
    } catch (IllegalArgumentException e) {
        // Suppress occasional exception on Digma iDxD* devices:
        // Receiver not registered: android.hardware.SystemSensorManager$1
        // See crbug.com/596453.
        Log.w(TAG, "Failed to unregister device sensor " + sensors.get(0).getName());
    }
}
 

@Override
public boolean registerListener(
        SensorEventListener listener, int sensorType, int rate, Handler handler) {
    List<Sensor> sensors = mSensorManager.getSensorList(sensorType);
    if (sensors.isEmpty()) {
        return false;
    }
    return mSensorManager.registerListener(listener, sensors.get(0), rate, handler);
}