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fix: 图片预览放大、取消下滑关闭图片预览

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This commit is contained in:
guozhigq
2024-03-03 18:32:13 +08:00
parent 8109314aaf
commit 83b0ff02e4
1 changed files with 138 additions and 134 deletions
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42
lib/pages/preview/view.dart
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@ -135,25 +135,14 @@ class _ImagePreviewState extends State<ImagePreview>
),
body: Stack(
children: [
DismissiblePage(
backgroundColor: Colors.transparent,
onDismissed: () {
Navigator.of(context).pop();
},
// Note that scrollable widget inside DismissiblePage might limit the functionality
// If scroll direction matches DismissiblePage direction
direction: DismissiblePageDismissDirection.down,
disabled: _dismissDisabled,
isFullScreen: true,
child: GestureDetector(
GestureDetector(
onLongPress: () => onOpenMenu(),
child: ExtendedImageGesturePageView.builder(
controller: ExtendedPageController(
initialPage: _previewController.initialPage.value,
pageSpacing: 0,
),
onPageChanged: (int index) =>
_previewController.onChange(index),
onPageChanged: (int index) => _previewController.onChange(index),
canScrollPage: (GestureDetails? gestureDetails) =>
gestureDetails!.totalScale! <= 1.0,
itemCount: widget.imgList!.length,
@ -245,13 +234,14 @@ class _ImagePreviewState extends State<ImagePreview>
},
),
),
),
Positioned(
left: 0,
right: 0,
bottom: 0,
child: Container(
padding: EdgeInsets.only(
left: 20,
right: 20,
bottom: MediaQuery.of(context).padding.bottom + 30),
decoration: const BoxDecoration(
gradient: LinearGradient(
@ -264,20 +254,34 @@ class _ImagePreviewState extends State<ImagePreview>
tileMode: TileMode.mirror,
),
),
child: Obx(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
widget.imgList!.length > 1
? Obx(
() => Text.rich(
textAlign: TextAlign.center,
TextSpan(
style: const TextStyle(color: Colors.white, fontSize: 15),
style: const TextStyle(
color: Colors.white, fontSize: 16),
children: [
TextSpan(
text: _previewController.currentPage.toString()),
text: _previewController.currentPage
.toString()),
const TextSpan(text: ' / '),
TextSpan(text: widget.imgList!.length.toString()),
TextSpan(
text:
widget.imgList!.length.toString()),
]),
),
)
: const SizedBox(),
IconButton(
onPressed: () => Get.back(),
icon: const Icon(Icons.close, color: Colors.white),
),
),
],
)),
),
],
),