import 'dart:convert'; import 'dart:io'; import 'dart:ui'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/services.dart'; import 'package:flutter_share/flutter_share.dart'; import 'package:healthcare_pharmacy/settings.dart'; import 'package:share/share.dart'; import 'dart:typed_data'; import 'package:path_provider/path_provider.dart'; import 'package:http/http.dart' as http; import 'package:qr_flutter/qr_flutter.dart'; class DisplayQrCode extends StatefulWidget { const DisplayQrCode({Key? key}) : super(key: key); @override State createState() => _DisplayQrCodeState(); } class _DisplayQrCodeState extends State { Future share(var qr) async { await FlutterShare.share( title: 'Example share', text: 'Example share text', linkUrl: qr, chooserTitle: 'Example Chooser Title'); } Future shareQRCodeImage1(qrData) async { final tempDir = await getTemporaryDirectory(); final file = File('${tempDir.path}/qr_code.png'); await file.writeAsBytes(Uint8List.fromList(base64.decode(qrData))); // Share the image using the share package Share.shareFiles([file.path], text: 'Check out this QR code'); } String imagePath = ''; Future downloadQRImage() async { final response = await http.get(Uri.parse(AppSettings.qrCode)); if (response.statusCode == 200) { final directory = await getApplicationDocumentsDirectory(); final filePath = '${directory.path}/qr_image.png'; final File file = File(filePath); await file.writeAsBytes(response.bodyBytes); setState(() { imagePath = filePath; }); } } @override Widget build(BuildContext context) { return Scaffold( appBar: AppSettings.appBar('Qr Code'), body: Container( child: Padding(padding: EdgeInsets.all(10), child: Column( children: [ Center( child: Container( padding: EdgeInsets.fromLTRB(0, 20, 0, 0), width: MediaQuery.of(context).size.width * .60, // Set the desired width height: MediaQuery.of(context).size.height * .35, // Set the desired height child: Image.memory(Uint8List.fromList(base64.decode(AppSettings.qrCode),), fit: BoxFit.fill), ), ), SizedBox( height:MediaQuery.of(context).size.height * .05, ), Row( mainAxisAlignment: MainAxisAlignment.center, children: [ IconButton( onPressed: () { //share(AppSettings.qrCode); shareQRCodeImage1(AppSettings.qrCode); }, icon: Icon( Icons.share, color: primaryColor, size: 40, ), ), /*IconButton( onPressed: () { downloadQRImage(); }, icon: Icon( Icons.download, color: primaryColor, size: 40, ), ),*/ ], ) /*Container( padding: EdgeInsets.fromLTRB(0, 20, 0, 0), child: Center(child: Image.memory(Uint8List.fromList(base64.decode(AppSettings.qrCode),),),), )*/ ], ),), ), ); } }