확인 드디어 코드가 작동 얻을 수 있었다! 먼저
, 나는 Sensor.TYPE_MAGNETIC_FIELD 및 Sensor.TYPE_GRAVITY 등록 : (! 호안 구엔 말한 것처럼)
/**
* Initialize the Sensors (Gravity and magnetic field, required as a compass
* sensor)
*/
private void initSensors() {
LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
Sensor mSensorGravity = sensorManager.getDefaultSensor(Sensor.TYPE_GRAVITY);
Sensor mSensorMagneticField = sensorManager
.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
/* Initialize the gravity sensor */
if (mSensorGravity != null) {
Log.i(TAG, "Gravity sensor available. (TYPE_GRAVITY)");
sensorManager.registerListener(mSensorEventListener,
mSensorGravity, SensorManager.SENSOR_DELAY_GAME);
} else {
Log.i(TAG, "Gravity sensor unavailable. (TYPE_GRAVITY)");
}
/* Initialize the magnetic field sensor */
if (mSensorMagneticField != null) {
Log.i(TAG, "Magnetic field sensor available. (TYPE_MAGNETIC_FIELD)");
sensorManager.registerListener(mSensorEventListener,
mSensorMagneticField, SensorManager.SENSOR_DELAY_GAME);
} else {
Log.i(TAG,
"Magnetic field sensor unavailable. (TYPE_MAGNETIC_FIELD)");
}
}
그리고 내가 계산을위한 SensorEventListner 것을 사용 : 저도 같은 문제가 여기에 게시했다
private SensorEventListener mSensorEventListener = new SensorEventListener() {
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_GRAVITY) {
mGravity = event.values.clone();
} else if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) {
mMagnetic = event.values.clone();
}
if (mGravity != null && mMagnetic != null) {
/* Create rotation Matrix */
float[] rotationMatrix = new float[9];
if (SensorManager.getRotationMatrix(rotationMatrix, null,
mGravity, mMagnetic)) {
/* Compensate device orientation */
// http://android-developers.blogspot.de/2010/09/one-screen-turn-deserves-another.html
float[] remappedRotationMatrix = new float[9];
switch (getWindowManager().getDefaultDisplay()
.getRotation()) {
case Surface.ROTATION_0:
SensorManager.remapCoordinateSystem(rotationMatrix,
SensorManager.AXIS_X, SensorManager.AXIS_Y,
remappedRotationMatrix);
break;
case Surface.ROTATION_90:
SensorManager.remapCoordinateSystem(rotationMatrix,
SensorManager.AXIS_Y,
SensorManager.AXIS_MINUS_X,
remappedRotationMatrix);
break;
case Surface.ROTATION_180:
SensorManager.remapCoordinateSystem(rotationMatrix,
SensorManager.AXIS_MINUS_X,
SensorManager.AXIS_MINUS_Y,
remappedRotationMatrix);
break;
case Surface.ROTATION_270:
SensorManager.remapCoordinateSystem(rotationMatrix,
SensorManager.AXIS_MINUS_Y,
SensorManager.AXIS_X, remappedRotationMatrix);
break;
}
/* Calculate Orientation */
float results[] = new float[3];
SensorManager.getOrientation(remappedRotationMatrix,
results);
/* Get measured value */
float current_measured_bearing = (float) (results[0] * 180/Math.PI);
if (current_measured_bearing < 0) {
current_measured_bearing += 360;
}
/* Smooth values using a 'Low Pass Filter' */
current_measured_bearing = current_measured_bearing
+ SMOOTHING_FACTOR_COMPASS
* (current_measured_bearing - compass_last_measured_bearing);
/* Update normal output */
visual_compass_value.setText(String.valueOf(Math
.round(current_bearing))
+ getString(R.string.degrees));
/*
* Update variables for next use (Required for Low Pass
* Filter)
*/
compass_last_measured_bearing = current_measured_bearing;
}
}
}
};
: http://stackoverflow.com/questions/11772923/how-can-i-get-the-magnetic-field-vector-independent-of-the-device-rotation하지만 대답은 나를 위해 작동하지 않았다. 아마도 당신에게는 더 많은 행운이있을 것입니다. – Ridcully
아직도 필요합니까? 아마 우리는 event.values [] 배열의 다른 값을 사용해야 만 할 것입니다. ' 화면 회전에 따라? – felixd
아니요, 대부분의 Android 기기의 회전 센서가 내가 염두에두고있는 것만 큼 정확하지 않은 것으로 밝혀짐에 따라 프로젝트를 취소했습니다 (일부 AR 항목). – Ridcully