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Merged
gladiuscode merged 1 commit into from
Jun 26, 2025
Merged

feat(android): introduce new rotation sensor #80

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87 changes: 68 additions & 19 deletions ...d/src/main/java/com/orientationdirector/implementation/OrientationSensorsEventListener.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -10,12 +10,19 @@ import com.facebook.react.bridge.ReactApplicationContext
class OrientationSensorsEventListener(
context: ReactApplicationContext,
) : SensorEventListener {
private var mSensorManager: SensorManager = context.getSystemService(SENSOR_SERVICE) as SensorManager
private var mSensorManager: SensorManager =
context.getSystemService(SENSOR_SERVICE) as SensorManager

private var mAccelerometerSensor: Sensor? = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
private var mMagneticFieldSensor: Sensor? = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD)
private var mRotationSensor: Sensor? =
mSensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR)
private var mAccelerometerSensor: Sensor? =
mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
private var mMagneticFieldSensor: Sensor? =
mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD)

private var hasRequiredSensors: Boolean = mAccelerometerSensor != null && mMagneticFieldSensor != null
private var hasRotationSensor: Boolean = mRotationSensor != null
private var hasAccelerometerAndMagneticFieldSensors: Boolean =
mAccelerometerSensor != null && mMagneticFieldSensor != null

private val accelerometerReading = FloatArray(3)
private val magnetometerReading = FloatArray(3)
Expand All @@ -32,6 +39,59 @@ class OrientationSensorsEventListener(
return
}

if (event.sensor.type == Sensor.TYPE_ROTATION_VECTOR) {
computeOrientationFromRotationSensor(event.values);
return
}

computeOrientationFromOtherSensors(event)
}

override fun onAccuracyChanged(sensor: Sensor?, accuracy: Int) {}

fun enable() {
if (hasRotationSensor) {
mSensorManager.registerListener(
this,
mRotationSensor,
SensorManager.SENSOR_DELAY_NORMAL,
SensorManager.SENSOR_DELAY_UI
)
return
}

if (hasAccelerometerAndMagneticFieldSensors) {
mSensorManager.registerListener(
this,
mAccelerometerSensor,
SensorManager.SENSOR_DELAY_NORMAL,
SensorManager.SENSOR_DELAY_UI
)
mSensorManager.registerListener(
this,
mMagneticFieldSensor,
SensorManager.SENSOR_DELAY_NORMAL,
SensorManager.SENSOR_DELAY_UI
)
return
}
}

fun disable() {
mSensorManager.unregisterListener(this)
}

private fun computeOrientationFromRotationSensor(values: FloatArray) {
val rotationMatrix = FloatArray(9)
SensorManager.getRotationMatrixFromVector(rotationMatrix, values)

val orientationAngles = FloatArray(3)
SensorManager.getOrientation(rotationMatrix, orientationAngles)

notifyOrientationAnglesChanged(orientationAngles)
}

private fun computeOrientationFromOtherSensors(event: SensorEvent) {
if (event.sensor.type == Sensor.TYPE_ACCELEROMETER) {
System.arraycopy(event.values, 0, accelerometerReading, 0, accelerometerReading.size)
}
Expand All @@ -54,26 +114,15 @@ class OrientationSensorsEventListener(
val orientationAngles = FloatArray(3)
SensorManager.getOrientation(rotationMatrix, orientationAngles)

notifyOrientationAnglesChanged(orientationAngles)
}

private fun notifyOrientationAnglesChanged(orientationAngles: FloatArray) {
if (lastComputedOrientationAngles.contentEquals(orientationAngles)) {
return
}

onOrientationAnglesChangedCallback?.invoke(orientationAngles)
lastComputedOrientationAngles = orientationAngles
}

override fun onAccuracyChanged(sensor: Sensor?, accuracy: Int) {}

fun enable() {
if (!hasRequiredSensors) {
return
}

mSensorManager.registerListener(this, mAccelerometerSensor, SensorManager.SENSOR_DELAY_NORMAL)
mSensorManager.registerListener(this, mMagneticFieldSensor, SensorManager.SENSOR_DELAY_NORMAL)
}

fun disable() {
mSensorManager.unregisterListener(this)
}
}