Cómo convertir un programa que utiliza SensorListener a SensoreVentListener
Pregunta
Estoy creando una aplicación llamada CompassApp.He creado dos clases llamadas Compass.Java y Rose.Java.Esta solicitud se ha creado a partir de un tutorial descrito en un sitio web y esto utiliza la versión en desuso de SensorListener.La clase Compass.Java está utilizando esta versión desaprobada.La aplicación funcionó bien cuando usé la versión desaprobada.Luego pensé en convertir mi aplicación en la versión actual que es SensoreventListener.¡Pero la rotación de la brújula se detuvo!Estoy atascado y no sé qué hacer.Por favor ayúdame
compass.java con interfaz de Sensor-Sensor en desuso
public class Compass extends Activity implements SensorListener {
SensorManager sensorManager;
static final int sensor = SensorManager.SENSOR_ORIENTATION;
MyRose rose;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set full screen view
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
rose = new MyRose(this);
setContentView(rose);
// get sensor manager
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
}
// register to listen to sensors
@Override
public void onResume() {
super.onResume();
sensorManager.registerListener(this, sensor);
}
// unregister
@Override
public void onPause() {
super.onPause();
sensorManager.unregisterListener(this);
}
// Ignore for now
public void onAccuracyChanged(int sensor, int accuracy) {
}
// Listen to sensor and provide output
public void onSensorChanged(int sensor, float[] values) {
if (sensor != Compass.sensor)
return;
int orientation = (int) values[0];
rose.setDirection(orientation);
}
}
compass.java con nuevo sensoreventlistener
public class Compass extends Activity{
SensorManager sensorManager;
SensorEventListener listener ;
static final int sensor = SensorManager.SENSOR_ORIENTATION;
Rose rose;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set full screen view
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
listener = new SensorEventListener()
{
@Override
public void onSensorChanged(SensorEvent e)
{
int orientation = (int) e.values[0];
rose.setDirection(orientation);
}
@Override
public void onAccuracyChanged(Sensor arg0, int arg1) {
// TODO Auto-generated method stub
}
};
setContentView(rose);
// get sensor manager
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
sensorManager.registerListener(listener, sensorManager.getDefaultSensor(sensor),SensorManager.SENSOR_MAGNETIC_FIELD);
}
// register to listen to sensors
@Override
public void onResume() {
super.onResume();
sensorManager.registerListener(listener, sensorManager.getDefaultSensor(sensor), SensorManager.SENSOR_MAGNETIC_FIELD);
}
// unregister
@Override
public void onPause() {
super.onPause();
sensorManager.unregisterListener(listener);
}
}
Solución
Creo que esto es lo que necesitas.
public class Compass extends Activity implements SensorEventListener {
SensorManager sensorManager;
static final int sensor = SensorManager.SENSOR_ORIENTATION;
MyRose rose;
private Sensor myCompassSensor;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set full screen view
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
rose = new MyRose(this);
setContentView(rose);
// get sensor manager
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
// get compass sensor (ie magnetic field)
myCompassSensor = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
}
// register to listen to sensors
@Override
public void onResume() {
super.onResume();
sensorManager.registerListener(this, myCompassSensor, SensorManager.SENSOR_DELAY_NORMAL);
}
// unregister
@Override
public void onPause() {
super.onPause();
sensorManager.unregisterListener(this);
}
// Ignore for now
public void onAccuracyChanged(Sensor sensor, int accuracy) {
// TODO Auto-generated method stub
}
public void onSensorChanged(SensorEvent event) {
// this check is unnecessary with only one registered sensor
// but it's useful to know in case you need to add more sensors
if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) {
int orientation = (int) event.values[0];
rose.setDirection(orientation);
}
}
}
Editar: Añadido Cheque para determinar el tipo de sensor