setSize method
Sets the size of the refresh indicator. One of AndroidPullToRefreshSize.DEFAULT, or AndroidPullToRefreshSize.LARGE.
NOTE: Available only on Android.
Implementation
Future<void> setSize(AndroidPullToRefreshSize size) async {
Map<String, dynamic> args = <String, dynamic>{};
args.putIfAbsent('size', () => size.toValue());
await _channel?.invokeMethod('setSize', args);
}