postFrameFuture function

Future postFrameFuture(
  1. FutureOr callback()
)

Implementation

Future postFrameFuture(FutureOr Function() callback) {
  final c = Completer();
  WidgetsBinding.instance.addPostFrameCallback((_) async {
    await callback();
    c.complete();
  });
  return c.future;
}