pikapika/lib/screens/FilePhotoViewScreen.dart

60 lines
1.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:photo_view/photo_view.dart';
import 'package:pikapika/basic/Common.dart';
import 'package:pikapika/basic/Cross.dart';
import 'package:pikapika/screens/components/Images.dart';
import 'components/RightClickPop.dart';
// 预览图片
class FilePhotoViewScreen extends StatelessWidget {
final String filePath;
const FilePhotoViewScreen(this.filePath, {Key? key}) : super(key: key);
@override
Widget build(BuildContext context){
return rightClickPop(
child: buildScreen(context),
context: context,
canPop: true,
);
}
Widget buildScreen(BuildContext context) => Scaffold(
body: Stack(
children: [
GestureDetector(
onLongPress: () async {
String? choose =
await chooseListDialog(context, '请选择', ['保存图片']);
switch (choose) {
case '保存图片':
saveImage(filePath, context);
break;
}
},
child: PhotoView(
imageProvider: ResourceFileImageProvider(filePath),
),
),
InkWell(
onTap: () => Navigator.of(context).pop(),
child: Container(
margin: const EdgeInsets.only(top: 30),
padding: const EdgeInsets.only(left: 4, right: 4),
decoration: BoxDecoration(
color: Colors.black.withOpacity(.75),
borderRadius: const BorderRadius.only(
topRight: Radius.circular(8),
bottomRight: Radius.circular(8),
),
),
child: const Icon(Icons.keyboard_backspace, color: Colors.white),
),
),
],
),
);
}