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null safety

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This commit is contained in:
phyothandar
2021-09-10 14:25:37 +06:30
parent 5a313d641e
commit 079c9a135d
31 changed files with 230 additions and 227 deletions
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23
lib/pages/widgets/show_img.dart
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@@ -6,12 +6,12 @@ import 'package:flutter/material.dart';
import 'package:photo_view/photo_view.dart';
class ShowImage extends StatefulWidget {
final String url;
final File imageFile;
final String fileName;
final String localImage;
final String? url;
final File? imageFile;
final String? fileName;
final String? localImage;
const ShowImage(
{Key key, this.imageFile, this.fileName, this.url, this.localImage})
{Key? key, this.imageFile, this.fileName, this.url, this.localImage})
: super(key: key);
@override
_ShowImageState createState() => _ShowImageState();
@@ -20,6 +20,13 @@ class ShowImage extends StatefulWidget {
class _ShowImageState extends State<ShowImage> {
@override
Widget build(BuildContext context) {
final ImageProvider<Object>? p;
if (widget.imageFile != null) {
p = FileImage(widget.imageFile!);
} else {
p = AssetImage(widget.localImage!);
}
return Scaffold(
appBar: AppBar(
leading: new IconButton(
@@ -35,11 +42,7 @@ class _ShowImageState extends State<ShowImage> {
backgroundDecoration: const BoxDecoration(
color: primaryColor,
),
imageProvider: widget.url != null
? NetworkImage(widget.url)
: widget.imageFile != null
? FileImage(widget.imageFile)
: AssetImage(widget.localImage),
imageProvider: widget.url != null ? NetworkImage(widget.url!) : p,
minScale: PhotoViewComputedScale.contained * 1)),
);
}