getStyleLayerProperty method Null safety

Future<StylePropertyValue> getStyleLayerProperty(
  1. String arg_layerId,
  2. String arg_property
)

Gets the value of style layer property.

@param layerId A style layer identifier. @param property The style layer property name. @return The style property value.

Implementation

Future<StylePropertyValue> getStyleLayerProperty(
    String arg_layerId, String arg_property) async {
  final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
      'dev.flutter.pigeon.mapbox_maps_flutter.StyleManager.getStyleLayerProperty',
      codec,
      binaryMessenger: _binaryMessenger);
  final List<Object?>? replyList = await channel
      .send(<Object?>[arg_layerId, arg_property]) as List<Object?>?;
  if (replyList == null) {
    throw PlatformException(
      code: 'channel-error',
      message: 'Unable to establish connection on channel.',
    );
  } else if (replyList.length > 1) {
    throw PlatformException(
      code: replyList[0]! as String,
      message: replyList[1] as String?,
      details: replyList[2],
    );
  } else if (replyList[0] == null) {
    throw PlatformException(
      code: 'null-error',
      message: 'Host platform returned null value for non-null return value.',
    );
  } else {
    return (replyList[0] as StylePropertyValue?)!;
  }
}