17 lines
496 B
Dart
17 lines
496 B
Dart
import 'dart:async';
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import 'package:flutter/widgets.dart';
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Future<ImageInfo> getImageInfo(ImageProvider imageProvider) {
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final completer = Completer<ImageInfo>();
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final imageStream = imageProvider.resolve(const ImageConfiguration());
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final listener = ImageStreamListener(
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((imageInfo, _) {
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completer.complete(imageInfo);
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}),
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);
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imageStream.addListener(listener);
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completer.future.whenComplete(() => imageStream.removeListener(listener));
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return completer.future;
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}
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