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handle case where image is null as well (#19797)

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Jonah Williams 2018-07-26 18:23:18 -07:00 committed by GitHub
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commit b5b1cbebde
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packages/flutter/lib/src/painting/image_cache.dart
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@ -143,7 +143,7 @@ class ImageCache {
result = loader();
void listener(ImageInfo info, bool syncCall) {
// Images that fail to load don't contribute to cache size.
final int imageSize = info.image == null ? 0 : info.image.height * info.image.width * 4;
final int imageSize = info?.image == null ? 0 : info.image.height * info.image.width * 4;
final _CachedImage image = new _CachedImage(result, imageSize);
// If the image is bigger than the maximum cache size, and the cache size
// is not zero, then increase the cache size to the size of the image plus