Example usage for android.hardware SensorManager PRESSURE_STANDARD_ATMOSPHERE

Introduction

In this page you can find the example usage for android.hardware SensorManager PRESSURE_STANDARD_ATMOSPHERE.

Prototype

float PRESSURE_STANDARD_ATMOSPHERE

To view the source code for android.hardware SensorManager PRESSURE_STANDARD_ATMOSPHERE.

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Document

Standard atmosphere, or average sea-level pressure in hPa (millibar)

Usage

From source file:root.gast.playground.sensor.altitude.DetermineAltitudeActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.determine_altitude);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

    sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
    locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);

    gpsAltitudeView = (TextView) findViewById(R.id.gpsAltitude);

    gpsRelativeAltitude = (TextView) findViewById(R.id.gpsRelativeAltitude);

    barometerAltitudeView = (TextView) findViewById(R.id.barometerAltitude);
    barometerRelativeAltitude = (TextView) findViewById(R.id.barometerRelativeAltitude);
    mslpBarometerAltitudeView = (TextView) findViewById(R.id.mslpBarometerAltitude);
    mslpBarometerRelativeAltitude = (TextView) findViewById(R.id.mslpBarometerRelativeAltitude);
    mslpView = (TextView) findViewById(R.id.mslp);

    webServiceFetching = false;//from w ww.  j  av a2  s .co m

    TextView standardPressure = (TextView) findViewById(R.id.standardPressure);
    String standardPressureString = String.valueOf(SensorManager.PRESSURE_STANDARD_ATMOSPHERE);
    standardPressure.setText(standardPressureString);
}

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From source file:root.gast.playground.sensor.altitude.DetermineAltitudeActivity.java

@Override
public void onSensorChanged(SensorEvent event) {
    float altitude;
    currentBarometerValue = event.values[0];

    double currentTimestamp = event.timestamp / NS_TO_MS_CONVERSION;
    double elapsedTime = currentTimestamp - lastBarometerAltitudeTimestamp;
    if (lastBarometerAltitudeTimestamp == -1 || elapsedTime > TIMEOUT) {
        altitude = SensorManager.getAltitude(SensorManager.PRESSURE_STANDARD_ATMOSPHERE, currentBarometerValue);
        barometerAltitudeView.setText(String.valueOf(altitude));

        if (mslp != null) {
            altitude = SensorManager.getAltitude(mslp, currentBarometerValue);
            mslpBarometerAltitudeView.setText(String.valueOf(altitude));
            mslpView.setText(String.valueOf(mslp));
        }//from   ww  w .j  a v a 2 s .  co  m

        lastBarometerAltitudeTimestamp = (long) currentTimestamp;
    }
}

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From source file:root.gast.playground.sensor.altitude.DetermineAltitudeActivity.java

public void onToggleClick(View view) {
    if (((ToggleButton) view).isChecked()) {
        lastGpsAltitude = currentGpsAltitude;
        lastBarometerValue = currentBarometerValue;
        gpsRelativeAltitude.setVisibility(View.INVISIBLE);
        barometerRelativeAltitude.setVisibility(View.INVISIBLE);

        if (mslp != null) {
            mslpBarometerRelativeAltitude.setVisibility(View.INVISIBLE);
        }/*from ww  w . jav  a2s . com*/
    } else {
        double delta;

        delta = currentGpsAltitude - lastGpsAltitude;
        gpsRelativeAltitude.setText(String.valueOf(delta));
        gpsRelativeAltitude.setVisibility(View.VISIBLE);

        delta = SensorManager.getAltitude(SensorManager.PRESSURE_STANDARD_ATMOSPHERE, currentBarometerValue)
                - SensorManager.getAltitude(SensorManager.PRESSURE_STANDARD_ATMOSPHERE, lastBarometerValue);

        barometerRelativeAltitude.setText(String.valueOf(delta));
        barometerRelativeAltitude.setVisibility(View.VISIBLE);

        if (mslp != null) {
            delta = SensorManager.getAltitude(mslp, currentBarometerValue)
                    - SensorManager.getAltitude(mslp, lastBarometerValue);
            mslpBarometerRelativeAltitude.setText(String.valueOf(delta));
            mslpBarometerRelativeAltitude.setVisibility(View.VISIBLE);
        }
    }
}

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From source file:tv.piratemedia.flightcontroller.BluetoothComputerFragment.java

public void setupAtimiter() {
    SensorManager mSensorManager = (SensorManager) getActivity().getSystemService(Context.SENSOR_SERVICE);
    List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_PRESSURE);
    SensorEventListener sensorListener = new SensorEventListener() {
        @Override//from w  w  w.jav a 2 s.c  o m
        public void onSensorChanged(SensorEvent event) {
            if (currentPreasure > event.values[0] - 0.5 || currentPreasure < event.values[0] + 0.5) {
                currentPreasure = event.values[0];
                currentAltitude = SensorManager.getAltitude(SensorManager.PRESSURE_STANDARD_ATMOSPHERE,
                        currentPreasure);

                JSONObject msg = new JSONObject();
                try {
                    msg.put("action", "altitude_update");
                    msg.put("value", currentAltitude);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                sendTextMessage(msg.toString());
            }
        }

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

        }
    };
    if (sensors.size() > 0) {
        sensor = sensors.get(0);
        mSensorManager.registerListener(sensorListener, sensor, SensorManager.SENSOR_DELAY_NORMAL);
    } else {

    }
}

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