requestPermissions method

Implementation

Future<bool> requestPermissions() async {
  Map<Permission, PermissionStatus> statuses = await [
    Permission.location,
    Permission.bluetooth,
    Permission.bluetoothScan,
    Permission.bluetoothConnect,
  ].request();

  return statuses[Permission.location] == PermissionStatus.granted &&
      statuses[Permission.bluetooth] == PermissionStatus.granted &&
      statuses[Permission.bluetoothConnect] == PermissionStatus.granted;
}