impl pdfViewer release

devtools_options.yaml

@@ -2,3 +2,4 @@ description: This file stores settings for Dart & Flutter DevTools.
 documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
 extensions:
   - provider: true
+  - patrol: true

lib/features/documents/document_viewer_screen.dart

@@ -15,55 +15,30 @@ class DocumentViewScreen extends StatefulScreen {
 }
 
 class _DocumentViewScreenState extends ScreenState<DocumentViewScreen> {
-  final PDFViewerKey _viewerKey = PDFViewerKey();
-
-  void onShare() async {
-    final response = await http.get(widget.uri);
-    if (response.statusCode == 200) {
-      final XFile xfile = XFile.fromData(response.bodyBytes,
-          name: '${widget.doc.description}.pdf', mimeType: 'application/pdf');
-      await Share.shareXFiles([xfile], text: 'Confira este PDF!');
-    } else {
-      print('Erro ao baixar o arquivo: ${response.statusCode}');
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     action() => context.read<DocumentPageBloc>().add(UnselectDocumentEvent());
 
     final String title = widget.doc.description;
     final theme = FlutterFlowTheme.of(context);
-    return Scaffold(
+    return PopScope(
+      canPop: false,
+      onPopInvokedWithResult: (didPop, result) => action(),
+      child: Scaffold(
         backgroundColor: theme.primaryBackground,
         appBar: buildAppBar(title, context, action),
         body: buildBody(context),
+      ),
     );
   }
 
   Widget buildBody(BuildContext context) {
-    return Stack(
+    // final PDFViewerKey _viewerKey = PDFViewerKey();
-      children: [
+
-        Padding(
+    return PDFViewer(
-          padding: EdgeInsets.all(10),
+      // search: _viewerKey,
-          child: FREViewerPDF(
+      title: widget.doc.description,
-            search: _viewerKey,
+      url: widget.uri.toString(),
-            src: widget.uri.toString(),
-          ),
-        ),
-        Positioned(
-          bottom: 10,
-          right: 10,
-          child: IconButton(
-            icon: Icon(
-              Icons.share,
-              color: Colors.black,
-            ),
-            color: Colors.black,
-            onPressed: onShare,
-          ),
-        ),
-      ],
     );
   }
 }

lib/features/documents/index.dart

@@ -12,7 +12,6 @@ import 'package:hub/shared/mixins/pegeable_mixin.dart';
 import 'package:hub/shared/utils/index.dart';
 import 'package:hub/shared/widgets/widgets.dart';
 import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
-import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 import 'package:share_plus/share_plus.dart';
 
 part 'document_manager_screen.dart';

lib/shared/widgets/viewer/viewer.dart

@@ -1,13 +1,14 @@
 part of '../widgets.dart';
 
-typedef PDFViewerKey = GlobalKey<SfPdfViewerState>;
+// typedef PDFViewerKey = GlobalKey<SfPdfViewerState>;
 
 abstract interface class Viewer extends StatelessComponent {
+  final String src;
+
   const Viewer({
     super.key,
     required this.src,
   });
-  final String src;
 
   @override
   Widget build(BuildContext context) {
@@ -17,25 +18,110 @@ abstract interface class Viewer extends StatelessComponent {
   Widget buildViewer(BuildContext context);
 }
 
-class FREViewerPDF extends StatelessComponent {
+class PDFViewer extends StatefulWidget {
-  final String src;
+  final String url;
-  final PDFViewerKey search;
+  final String title;
 
-  const FREViewerPDF({
+  const PDFViewer({
     super.key,
-    required this.search,
+    required this.url,
-    required this.src,
+    required this.title,
   });
 
   @override
-  Widget build(BuildContext context) {
+  State<PDFViewer> createState() => PDFViewerState();
-    return buildViewer(context);
 }
 
-  Widget buildViewer(BuildContext context) {
+class PDFViewerState extends State<PDFViewer> {
-    return SfPdfViewer.network(
+  late PdfController _pdfController;
-      src,
+
-      key: search,
+  Future<PdfController> _initializePdf() async {
+    final file = await downloadPdf(widget.url);
+    final Future<PdfDocument> document = PdfDocument.openFile(file.path);
+    return PdfController(document: document);
+  }
+
+  Future<File> downloadPdf(String url) async {
+    final response = await http.get(Uri.parse(url));
+    if (response.statusCode == 200) {
+      final bytes = response.bodyBytes;
+      final dir = await getTemporaryDirectory();
+      final file = File('${dir.path}/downloaded.pdf');
+      await file.writeAsBytes(bytes);
+      return file;
+    } else {
+      throw Exception('Falha ao baixar o PDF');
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        _buildPDFViewer(),
+        buildShareButton(),
+      ],
     );
   }
+
+  Positioned buildShareButton() {
+    return Positioned(
+      bottom: 10,
+      right: 10,
+      child: IconButton(
+        icon: Icon(
+          Icons.share,
+          color: Colors.black,
+        ),
+        color: Colors.black,
+        onPressed: onShare,
+      ),
+    );
+  }
+
+  void onShare() async {
+    final Uri uri = Uri.parse(widget.url);
+    final response = await http.get(uri);
+    if (response.statusCode == 200) {
+      final XFile xfile = XFile.fromData(response.bodyBytes,
+          name: '${widget.title}.pdf', mimeType: 'application/pdf');
+      await Share.shareXFiles([xfile], text: 'Confira este PDF!');
+    } else {
+      print('Erro ao baixar o arquivo: ${response.statusCode}');
+    }
+  }
+
+  Widget buildLoadingIndicator(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 15),
+      child: Center(
+        child: CircularProgressIndicator(
+          valueColor: AlwaysStoppedAnimation<Color>(
+            FlutterFlowTheme.of(context).primary,
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildPDFViewer() => Padding(
+        padding: EdgeInsets.all(10),
+        child: FutureBuilder<PdfController>(
+            future: _initializePdf(),
+            builder: (context, snapshot) {
+              if (!snapshot.hasData) return buildLoadingIndicator(context);
+              return PdfView(
+                controller: snapshot.data!,
+                scrollDirection: Axis.vertical,
+              );
+            }),
+      );
+
+  // Widget get progressIndicator => LoadingUtil.buildLoadingIndicator(context);
+
+  @override
+  void dispose() {
+    _pdfController.dispose();
+    super.dispose();
+  }
 }

lib/shared/widgets/widgets.dart

@@ -1,14 +1,19 @@
 import 'dart:developer';
+import 'dart:io';
 
 import 'package:auto_size_text/auto_size_text.dart';
 import 'package:easy_debounce/easy_debounce.dart';
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:http/http.dart' as http;
 import 'package:hub/features/documents/index.dart';
 import 'package:hub/flutter_flow/index.dart';
 import 'package:hub/shared/mixins/pegeable_mixin.dart';
+import 'package:hub/shared/utils/index.dart';
 import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
-import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:pdfx/pdfx.dart';
+import 'package:share_plus/share_plus.dart';
 
 part 'page.dart';
 part 'component.dart';

pubspec.yaml

@@ -13,8 +13,8 @@ dependencies:
     sdk: flutter
   flutter_localizations:
     sdk: flutter
+  pdfx: ^2.8.0
   auto_size_text: ^3.0.0
-  syncfusion_flutter_pdfviewer: ^28.2.4
   barcode_widget: ^2.0.4
   cached_network_image: ^3.4.0
   firebase_core: ^3.4.0
@@ -25,7 +25,7 @@ dependencies:
   app_links: ^6.3.2
   # crop_your_image: 1.1.0
   csv: 6.0.0
-  device_info_plus: ^11.2.2
+  device_info_plus: ^10.1.2 #11.2.2
   firebase_messaging: ^15.1.0
   dropdown_button2: 2.3.9
   easy_debounce: 2.0.3