magnetometer library Null safety

Magnetometer

https://w3c.github.io/magnetometer/

Classes

Magnetometer
The interface of the Sensor APIs provides information about the magnetic field as detected by the device’s primary magnetometer sensor. [...]
MagnetometerReadingValues
MagnetometerSensorOptions
UncalibratedMagnetometer
UncalibratedMagnetometerReadingValues

Enums

MagnetometerLocalCoordinateSystem