44 lines
1.3 KiB
Dart
44 lines
1.3 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:qhd_prevention/pages/my_appbar.dart';
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// 查看大图
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class SingleImageViewer extends StatelessWidget {
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final String imageUrl;
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const SingleImageViewer({Key? key, required this.imageUrl}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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ImageProvider provider;
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if (imageUrl.toLowerCase().startsWith('http')) {
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provider = NetworkImage(imageUrl);
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} else {
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provider = FileImage(File(imageUrl));
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}
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return Scaffold(
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backgroundColor: Colors.black.withValues(alpha: 0.5),
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appBar: MyAppbar(
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isBack: false,
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actions: [
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IconButton(onPressed: () {
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Navigator.of(context).pop();
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}, icon: Icon(Icons.close, color: Colors.white, size: 40,),)
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],
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backgroundColor: Colors.black.withValues(alpha:0.5), title: '',
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),
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body: Center(
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child: PhotoView(
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imageProvider: provider,
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backgroundDecoration: BoxDecoration(color: Colors.black.withValues(alpha:0.5)),
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minScale: PhotoViewComputedScale.contained,
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maxScale: PhotoViewComputedScale.covered * 2,
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onTapUp: (context, details, controllerValue) {
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Navigator.of(context).pop();
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},
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),
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),
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);
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}
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}
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