Merge branch 'bug_fix_mirza' into 'development'
Check-In NFC See merge request Cloud_Solution/diplomatic-quarter!326merge-requests/328/merge
Sultan khan
3 years ago
commit
487d63ec7f
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:nfc_in_flutter/nfc_in_flutter.dart';
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void showNfcReader(BuildContext context, {Function onNcfScan}) {
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showModalBottomSheet(
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context: context,
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enableDrag: false,
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isDismissible: false,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(12), topRight: Radius.circular(12)),
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),
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backgroundColor: Colors.white,
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builder: (context) {
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return NfcLayout(
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onNcfScan: onNcfScan,
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);
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});
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}
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class NfcLayout extends StatefulWidget {
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Function onNcfScan;
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NfcLayout({this.onNcfScan});
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@override
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_NfcLayoutState createState() => _NfcLayoutState();
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}
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class _NfcLayoutState extends State<NfcLayout> {
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StreamSubscription<NDEFMessage> _stream;
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bool _reading = false;
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Widget mainWidget;
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String nfcId;
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@override
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void initState() {
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super.initState();
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setState(() {
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// _reading = true;
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// Start reading using NFC.readNDEF()
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_stream = NFC
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.readNDEF(
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once: false,
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throwOnUserCancel: false,
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readerMode: NFCDispatchReaderMode())
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.listen((NDEFMessage message) {
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setState(() {
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_reading = true;
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mainWidget = doneNfc();
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});
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Future.delayed(const Duration(milliseconds: 500), () {
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_stream?.cancel();
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widget.onNcfScan(nfcId);
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Navigator.pop(context);
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});
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print("read NDEF id: ${message.id}");
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// widget.onNcfScan(message.id);
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nfcId = message.id;
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}, onError: (e) {
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// Check error handling guide below
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});
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});
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}
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@override
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Widget build(BuildContext context) {
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(mainWidget == null && !_reading)
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? mainWidget = scanNfc()
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: mainWidget = doneNfc();
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return AnimatedSwitcher(
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duration: Duration(milliseconds: 500), child: mainWidget);
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}
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Widget scanNfc() {
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return Container(
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key: ValueKey(1),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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SizedBox(
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height: 30,
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),
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Text(
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"Ready To Scan",
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 24,
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),
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),
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SizedBox(
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height: 30,
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),
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Image.asset(
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"assets/images/nfc/ic_nfc.png",
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height: MediaQuery.of(context).size.width / 3,
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),
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SizedBox(
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height: 30,
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),
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Text(
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"Approach an NFC Tag",
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style: TextStyle(
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fontSize: 18,
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),
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),
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SizedBox(
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height: 30,
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),
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ButtonTheme(
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minWidth: MediaQuery.of(context).size.width / 1.2,
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height: 45.0,
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buttonColor: Colors.grey[300],
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(6),
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),
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child: RaisedButton(
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onPressed: () {
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_stream?.cancel();
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Navigator.pop(context);
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},
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child: Text("CANCEL"),
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),
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),
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SizedBox(
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height: 30,
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),
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],
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),
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);
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}
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Widget doneNfc() {
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return Container(
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key: ValueKey(2),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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SizedBox(
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height: 30,
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),
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Text(
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"Successfully Scanned",
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 24,
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),
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),
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SizedBox(
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height: 30,
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),
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Image.asset(
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"assets/images/nfc/ic_done.png",
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height: MediaQuery.of(context).size.width / 3,
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),
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SizedBox(
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height: 30,
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),
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Text(
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"Approach an NFC Tag",
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style: TextStyle(
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fontSize: 18,
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),
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),
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SizedBox(
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height: 30,
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),
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ButtonTheme(
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minWidth: MediaQuery.of(context).size.width / 1.2,
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height: 45.0,
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buttonColor: Colors.grey[300],
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(6),
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),
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child: RaisedButton(
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// onPressed: () {
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// _stream?.cancel();
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// widget.onNcfScan(nfcId);
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// Navigator.pop(context);
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// },
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onPressed: null,
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child: Text("DONE"),
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),
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),
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SizedBox(
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height: 30,
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),
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],
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),
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);
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}
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}
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