requestAll static method
Requests all required permissions for background geolocation.
On Android: location (when in use + always) and activity recognition. On iOS: location (when in use + always) and motion sensors.
Returns true if all required permissions are granted.
Implementation
static Future<bool> requestAll() async {
if (Platform.isAndroid) {
return _requestAndroidPermissions();
}
return _requestIOSPermissions();
}