AN4503 datasheet(21/26 Pages) STMICROELECTRONICS

21 / 26 page

DocID026411 Rev 2

21/26

AN4503

Building a simple apk for testing

public class MainActivity extends Activity implements SensorEventListener{

private SensorManager mSensorManager;

private Sensor mHumidity;

TextView xViewP = null;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

xViewP = (TextView)findViewById(R.id.TextView01);

xViewP.setText(" Humidity: ");

//sensor

mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);

mHumidity =

mSensorManager.getDefaultSensor(Sensor.TYPE_RELATIVE_HUMIDITY);

}

@Override

protected void onResume() {

if(mSensorManager != null)

mSensorManager.registerListener(this, mHumidity,

SensorManager.SENSOR_DELAY_NORMAL);

super.onResume();

}

@Override

protected void onPause() {

super.onPause();

mSensorManager.unregisterListener(this);

}

public void onSensorChanged(SensorEvent event) {

if (event.sensor.getType() == Sensor.TYPE_RELATIVE_HUMIDITY) {

xViewP.setText("Humidity: " + event.values[0] + "- Temperature: " +

event.value[1] );

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is

present.

AN4503 데이터시트(PDF) 21 Page - STMicroelectronics