expo-sensors/build/Magnetometer.js

Provides access to a hardware device's accelerometer, gyroscope, magnetometer, and pedometer.

import DeviceSensor from './DeviceSensor';
import ExponentMagnetometer from './ExponentMagnetometer';
/**
 * @platform android
 * @platform ios
 */
export class MagnetometerSensor extends DeviceSensor {
    /**
     * > **info** You should always check the sensor availability before attempting to use it.
     *
     * Check the availability of the device magnetometer. Requires at least Android 2.3 (API Level 9) and iOS 8.
     * @return A promise that resolves to a `boolean` denoting the availability of the sensor.
     */
    async isAvailableAsync() {
        return super.isAvailableAsync();
    }
    /**
     * Subscribe for updates to the magnetometer.
     * @param listener A callback that is invoked when a magnetometer update is available.
     * When invoked, the listener is provided with a single argument that is `MagnetometerMeasurement`.
     * @return A subscription that you can call `remove()` on when you would like to unsubscribe the listener.
     */
    addListener(listener) {
        return super.addListener(listener);
    }
}
export default new MagnetometerSensor(ExponentMagnetometer, 'magnetometerDidUpdate');
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