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Fix pointer cancel event not handled in viewer

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Ming Ming 2021-12-11 13:38:51 +08:00
parent a88c776d7c
commit 2c8b6a0240
1 changed files with 6 additions and 0 deletions
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6
lib/widget/image_viewer.dart
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@ -106,6 +106,12 @@ class _ImageViewerState extends State<ImageViewer>
} }
_prevFingerPosition = event.position; _prevFingerPosition = event.position;
}, },
onPointerCancel: (event) {
--_finger;
if (_finger < 2) {
_setIsZooming(false);
}
},
child: GestureDetector( child: GestureDetector(
onDoubleTap: () { onDoubleTap: () {
if (_isZoomed) { if (_isZoomed) {