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06.09.2019, 21:42:37 via Website
06.09.2019 21:42:37 via Website
Hallo zusammen
Ich möchte in derselben App den Sensor für die Temperatur und Luftdruck abfragen. Ich habe nur ein Sensormanager. Wie kann ich damit zwei Sensoren auslesen?
//Luftdruck
private SensorManager sensorManager;
private Sensor pressur = null;
private TextView txt_durck;
//Temperatur
private SensorManager sensorTemp;
private Sensor temp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txt_durck = (TextView) findViewById(R.id.txt_druck);
sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
if (sensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE) != null){
// Success! There's a pressure sensor.
pressur = sensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE);
} else {
// Failure! No pressure sensor.
txt_durck.setText("kein Sensor");
}
sensorTemp = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
temp = sensorTemp.getDefaultSensor(Sensor.TYPE_AMBIENT_TEMPERATURE);
}
@Override
public void onSensorChanged(SensorEvent sensorEvent) {
Float f_wert;
f_wert = sensorEvent.values[0];
txt_durck.setText(String.format("%#.2f", f_wert));
}
@Override
public void onAccuracyChanged(Sensor sensor, int i) {
}
@Override
protected void onResume() {
super.onResume();
sensorManager.registerListener(this, pressur, sensorManager.SENSOR_DELAY_NORMAL);
}
@Override
protected void onDestroy() {
sensorManager.unregisterListener(this);
super.onDestroy();
}
Gruss Renato