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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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24
lib/pages/widgets/pdf_screen.dart
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@@ -11,10 +11,10 @@ import 'package:flutter_pdfview/flutter_pdfview.dart';
import 'package:share/share.dart';
class PDFScreen extends StatefulWidget {
final String title;
final String url;
final String? title;
final String? url;
PDFScreen({Key key, this.url, this.title}) : super(key: key);
PDFScreen({Key? key, this.url, this.title}) : super(key: key);
_PDFScreenState createState() => _PDFScreenState();
}
@@ -33,10 +33,10 @@ class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
download();
}
File file;
File? file;
Future<void> download() async {
try {
File f = await PdfCacheMgr.pdfs.getSingleFile(widget.url);
File f = await PdfCacheMgr.pdfs.getSingleFile(widget.url!);
setState(() {
file = f;
});
@@ -89,23 +89,23 @@ class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
fitPolicy: FitPolicy.BOTH,
preventLinkNavigation:
false, // if set to true the link is handled in flutter
onRender: (_pages) {
onRender: (int?_pages) {
print(('pages => $pages'));
setState(() {
pages = _pages;
pages = _pages!;
isReady = true;
});
},
onViewCreated: (PDFViewController pdfViewController) {
_controller.complete(pdfViewController);
},
onLinkHandler: (String uri) {
onLinkHandler: (String? uri) {
print('goto uri: $uri');
},
onPageChanged: (int page, int total) {
onPageChanged: (int? page, int? total) {
print('page change: $page/$total');
setState(() {
currentPage = page;
currentPage = page!;
});
},
),
@@ -116,8 +116,8 @@ class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
}
_share() async {
final RenderBox box = context.findRenderObject();
await Share.shareFiles([file.path],
final RenderBox box = context.findRenderObject() as RenderBox;
await Share.shareFiles([file!.path],
mimeTypes: ["application/pdf"],
subject: "File",
sharePositionOrigin: box.localToGlobal(Offset.zero) & box.size);