NFC Attendance implement
devmirza121
4 years ago
parent
681fe7fb38
commit
68729ddbb9
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import 'package:permission_handler/permission_handler.dart';
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class AppPermissions{
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static location(Function(bool) completion) {
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Permission.location.isGranted.then((isGranted){
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if(!isGranted){
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Permission.location.request().then((granted){
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completion(granted == PermissionStatus.granted);
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});
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}
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completion(isGranted);
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});
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}
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static checkAll(Function(bool) completion){
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[
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Permission.location
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].request().then((value){
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bool allGranted = false;
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value.values.forEach((element) {
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allGranted = allGranted && element == PermissionStatus.granted;
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});
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completion(allGranted);
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});
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}
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}
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@ -0,0 +1,249 @@
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import 'dart:async';
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import 'dart:math';
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:geolocator/geolocator.dart';
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import 'package:google_directions_api/google_directions_api.dart';
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import 'package:google_maps_flutter/google_maps_flutter.dart';
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import 'package:mohem_flutter_app/classes/utils.dart';
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// import 'package:geodesy/geodesy.dart' as geodesy;
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import '../../classes/app_permissions.dart';
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import '../../theme/colors.dart';
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//Created By Mr.Zohaib
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class Location {
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static _Map map = _Map();
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static havePermission(Function(bool) callback) {
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Geolocator.checkPermission().then((value) async {
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if (value == LocationPermission.denied) {
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value = await Geolocator.requestPermission();
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callback(![LocationPermission.denied, LocationPermission.deniedForever].contains(value));
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} else {
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callback(true);
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}
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});
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}
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static isEnabled(Function(bool) callback) {
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Geolocator.isLocationServiceEnabled().then((value) => callback(value));
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}
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static bool _listeningSettingChange = true;
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static listenGPS({bool change = true, Function(bool)? onChange}) async {
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_listeningSettingChange = change;
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if (change == false) return;
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Future.doWhile(() async {
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await Utils.delay(1000);
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var enable = await Geolocator.isLocationServiceEnabled();
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onChange!(enable);
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return _listeningSettingChange;
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});
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}
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static getCurrentLocation(Function(LatLng?) callback) {
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done(Position position) {
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//AppStorage.sp.saveLocation(position);
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LatLng? myCurrentLocation = LatLng(position.latitude, position.longitude);
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callback(myCurrentLocation);
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}
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AppPermissions.location((granted) {
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if (granted)
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Geolocator.getLastKnownPosition(forceAndroidLocationManager: true).then((value) {
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if (value == null) {
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Geolocator.getCurrentPosition().then((value) {
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done(value);
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});
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} else {
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done(value);
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}
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});
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});
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}
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// static LatLng locationAwayFrom(
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// {required LatLng loc1, num distanceMeters = 200.0, num bearing = 270.0}) {
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// geodesy.LatLng l1 = geodesy.LatLng(loc1.latitude, loc1.longitude);
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// geodesy.LatLng destinationPoint = geodesy.Geodesy()
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// .destinationPointByDistanceAndBearing(l1, distanceMeters, bearing);
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// return LatLng(destinationPoint.latitude, destinationPoint.longitude);
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// }
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static Future<double> distanceTo(LatLng destination) async {
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var myLoc = await Geolocator.getLastKnownPosition();
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var distance = 0.0;
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if (myLoc != null) {
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distance = Geolocator.distanceBetween(destination.latitude, destination.longitude, myLoc.latitude, myLoc.longitude);
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}
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return distance;
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}
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}
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class _Map {
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Marker createMarker(
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String id, {
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required LatLng coordinates,
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BitmapDescriptor? icon,
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VoidCallback? onTap,
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}) {
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final MarkerId markerId = MarkerId(id);
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return Marker(
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icon: icon ?? BitmapDescriptor.defaultMarker,
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markerId: markerId,
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position: coordinates,
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flat: false,
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// infoWindow: InfoWindow(title: id, snippet: '*'),
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onTap: onTap,
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);
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}
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CameraPosition initialCamera({required Completer<GoogleMapController> mapController, LatLng? position, double zoom = 12}) {
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position = position ?? LatLng(24.7249303, 46.5416656);
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CameraPosition riyadhEye = CameraPosition(
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target: position,
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zoom: zoom,
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);
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mapController.future.then((controller) {
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controller.animateCamera(CameraUpdate.newCameraPosition(riyadhEye));
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});
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return riyadhEye;
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}
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CameraPosition moveTo(LatLng location, {double zoom = 12, double direction = 0.0, required Completer<GoogleMapController> mapController, bool? animation}) {
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var camera = CameraPosition(target: location, zoom: zoom, bearing: direction);
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mapController.future.then((controller) {
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animation ?? false ? controller.animateCamera(CameraUpdate.newCameraPosition(camera)) : controller.moveCamera(CameraUpdate.newCameraPosition(camera));
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});
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return camera;
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}
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moveCamera(CameraPosition camera, @required Completer<GoogleMapController> mapController, bool animation) {
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mapController.future.then((controller) {
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animation ? controller.animateCamera(CameraUpdate.newCameraPosition(camera)) : controller.moveCamera(CameraUpdate.newCameraPosition(camera));
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});
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}
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scrollBy({double x = 0, double y = 0, required Completer<GoogleMapController> mapController, bool animation = true}) {
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var camera = CameraUpdate.scrollBy(x, y);
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mapController.future.then((controller) {
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animation ? controller.animateCamera(camera) : controller.moveCamera(camera);
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});
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}
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goToCurrentLocation({Completer<GoogleMapController>? mapController, double? direction = 0.0, bool? animation}) {
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Location.getCurrentLocation((location) {
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moveTo(location!, zoom: 17, mapController: mapController!, animation: animation, direction: direction!);
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});
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}
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var routes = Map<String, DirectionsRoute>();
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setRoutePolylines(LatLng? source, LatLng? destination, Set<Polyline> polylines, Completer<GoogleMapController> mapController, Function(DirectionsRoute?) completion) {
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if (source == null || destination == null) {
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completion(null);
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return;
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}
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var origin = '${source.latitude},${source.longitude}';
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var destin = '${destination.latitude},${destination.longitude}';
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var routeId = '$origin->$destination';
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createPolyline(DirectionsRoute results) {
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List<LatLng> polylineCoordinates = results.overviewPath!.map((e) => LatLng(e.latitude, e.longitude)).toList();
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PolylineId id = PolylineId("route");
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Polyline polyline = Polyline(
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polylineId: id,
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color: accentColor,
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width: 5,
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jointType: JointType.round,
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startCap: Cap.roundCap,
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endCap: Cap.roundCap,
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points: polylineCoordinates,
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);
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polylines.removeWhere((element) => true);
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polylines.add(polyline);
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LatLngBounds bound = getBounds(coordinates: polylineCoordinates);
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focusCameraToLatLngBounds(bound: bound, mapController: mapController, padding: 100);
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completion(routes[routeId]);
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}
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var availableRoute = routes[routeId];
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if (availableRoute == null) {
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var request = DirectionsRequest(origin: origin, destination: destin);
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DirectionsService().route(request, (response, status) {
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if (status == DirectionsStatus.ok && response.routes!.isNotEmpty) {
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routes[routeId] = response.routes!.first;
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createPolyline(response.routes!.first);
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}
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});
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} else {
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createPolyline(availableRoute);
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}
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}
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LatLngBounds getBounds({required List<LatLng> coordinates}) {
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var lngs = coordinates.map<double>((c) => c.longitude).toList();
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var lats = coordinates.map<double>((c) => c.latitude).toList();
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double bottomMost = lngs.reduce(min);
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double topMost = lngs.reduce(max);
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double leftMost = lats.reduce(min);
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double rightMost = lats.reduce(max);
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LatLngBounds bounds = LatLngBounds(
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northeast: LatLng(rightMost, topMost),
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southwest: LatLng(leftMost, bottomMost),
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);
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return bounds;
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double? x0, x1, y0, y1;
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for (LatLng latLng in coordinates) {
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if (x0 == null) {
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x0 = x1 = latLng.latitude;
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y0 = y1 = latLng.longitude;
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} else {
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if (latLng.latitude > x1!) x1 = latLng.latitude;
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if (latLng.latitude < x0) x0 = latLng.latitude;
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if (latLng.longitude > y1!) y1 = latLng.longitude;
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if (latLng.longitude < y0!) y0 = latLng.longitude;
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}
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}
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return LatLngBounds(northeast: LatLng(x1!, y1!), southwest: LatLng(x0!, y0!));
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}
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focusCameraToLatLngBounds({LatLngBounds? bound, Completer<GoogleMapController>? mapController, double? padding}) async {
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if (bound == null) return;
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CameraUpdate camera = CameraUpdate.newLatLngBounds(bound, padding!);
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final GoogleMapController controller = await mapController!.future;
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controller.animateCamera(camera);
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}
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focusCameraTo2Points({LatLng? point1, LatLng? point2, Completer<GoogleMapController>? mapController, double? padding}) async {
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var source = point1;
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var destination = point2;
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if (source != null && destination != null) {
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// 'package:google_maps_flutter_platform_interface/src/types/location.dart': Failed assertion: line 72 pos 16: 'southwest.latitude <= northeast.latitude': is not true.
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LatLngBounds bound;
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if (source.latitude <= destination.latitude) {
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bound = LatLngBounds(southwest: source, northeast: destination);
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} else {
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bound = LatLngBounds(southwest: destination, northeast: source);
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}
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if (bound == null) return;
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focusCameraToLatLngBounds(bound: bound, mapController: mapController, padding: padding);
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}
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}
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}
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@ -0,0 +1,187 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:nfc_manager/nfc_manager.dart';
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import 'package:nfc_manager/platform_tags.dart';
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void showNfcReader(BuildContext context, {required Function(String? nfcId) 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(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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}
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class NfcLayout extends StatefulWidget {
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Function(String? nfcId) onNcfScan;
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NfcLayout({required 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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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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NfcManager.instance.startSession(onDiscovered: (NfcTag tag) async {
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print(tag.data);
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var f = MifareUltralight(tag: tag, identifier: tag.data["nfca"]["identifier"], type: 2, maxTransceiveLength: 252, timeout: 22);
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final String identifier = f.identifier.map((e) => e.toRadixString(16).padLeft(2, '0')).join('');
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// print(identifier); // => 0428fcf2255e81
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nfcId = identifier;
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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(seconds: 1), () {
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NfcManager.instance.stopSession();
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Navigator.pop(context);
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widget.onNcfScan(nfcId);
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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) ? mainWidget = scanNfc() : mainWidget = doneNfc();
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return AnimatedSwitcher(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/icons/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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NfcManager.instance.stopSession();
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Navigator.pop(context);
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},
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elevation: 0,
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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/icons/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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elevation: 0,
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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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@ -0,0 +1,194 @@
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// import 'dart:async';
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//
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// import 'package:flutter/material.dart';
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//
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//
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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(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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//
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// class NfcLayout extends StatefulWidget {
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// Function onNcfScan;
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//
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// NfcLayout({this.onNcfScan});
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//
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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> {
|
||||
// StreamSubscription<NDEFMessage> _stream;
|
||||
// bool _reading = false;
|
||||
// Widget mainWidget;
|
||||
// String nfcId;
|
||||
//
|
||||
// @override
|
||||
// void initState() {
|
||||
// super.initState();
|
||||
//
|
||||
// setState(() {
|
||||
// // _reading = true;
|
||||
// // Start reading using NFC.readNDEF()
|
||||
// _stream = NFC.readNDEF(once: false, throwOnUserCancel: false, readerMode: NFCDispatchReaderMode()).listen((NDEFMessage message) {
|
||||
// setState(() {
|
||||
// _reading = true;
|
||||
// mainWidget = doneNfc();
|
||||
// });
|
||||
// Future.delayed(const Duration(milliseconds: 500), () {
|
||||
// _stream?.cancel();
|
||||
// widget.onNcfScan(nfcId);
|
||||
// Navigator.pop(context);
|
||||
// });
|
||||
// print("read NDEF id: ${message.id}");
|
||||
// print("NFC Record " + message.payload);
|
||||
// print("NFC Record Lenght " + message.records.length.toString());
|
||||
// print("NFC Record " + message.records.first.id);
|
||||
// print("NFC Record " + message.records.first.payload);
|
||||
// print("NFC Record " + message.records.first.data);
|
||||
// print("NFC Record " + message.records.first.type);
|
||||
// // widget.onNcfScan(message.id);
|
||||
// nfcId = message.id;
|
||||
// }, onError: (e) {
|
||||
// // Check error handling guide below
|
||||
// });
|
||||
// });
|
||||
// }
|
||||
//
|
||||
// @override
|
||||
// Widget build(BuildContext context) {
|
||||
// (mainWidget == null && !_reading) ? mainWidget = scanNfc() : mainWidget = doneNfc();
|
||||
// return AnimatedSwitcher(duration: Duration(milliseconds: 500), child: mainWidget);
|
||||
// }
|
||||
//
|
||||
// Widget scanNfc() {
|
||||
// return Container(
|
||||
// key: ValueKey(1),
|
||||
// child: Column(
|
||||
// mainAxisSize: MainAxisSize.min,
|
||||
// children: <Widget>[
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Text(
|
||||
// "Ready To Scan",
|
||||
// style: TextStyle(
|
||||
// fontWeight: FontWeight.bold,
|
||||
// fontSize: 24,
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Image.asset(
|
||||
// "assets/images/nfc/ic_nfc.png",
|
||||
// height: MediaQuery.of(context).size.width / 3,
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Text(
|
||||
// "Approach an NFC Tag",
|
||||
// style: TextStyle(
|
||||
// fontSize: 18,
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// ButtonTheme(
|
||||
// minWidth: MediaQuery.of(context).size.width / 1.2,
|
||||
// height: 45.0,
|
||||
// buttonColor: Colors.grey[300],
|
||||
// shape: RoundedRectangleBorder(
|
||||
// borderRadius: BorderRadius.circular(6),
|
||||
// ),
|
||||
// child: RaisedButton(
|
||||
// onPressed: () {
|
||||
// _stream?.cancel();
|
||||
// Navigator.pop(context);
|
||||
// },
|
||||
// elevation: 0,
|
||||
// child: Text("CANCEL"),
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// ],
|
||||
// ),
|
||||
// );
|
||||
// }
|
||||
//
|
||||
// Widget doneNfc() {
|
||||
// return Container(
|
||||
// key: ValueKey(2),
|
||||
// child: Column(
|
||||
// mainAxisSize: MainAxisSize.min,
|
||||
// children: <Widget>[
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Text(
|
||||
// "Successfully Scanned",
|
||||
// style: TextStyle(
|
||||
// fontWeight: FontWeight.bold,
|
||||
// fontSize: 24,
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Image.asset(
|
||||
// "assets/images/nfc/ic_done.png",
|
||||
// height: MediaQuery.of(context).size.width / 3,
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// Text(
|
||||
// "Approach an NFC Tag",
|
||||
// style: TextStyle(
|
||||
// fontSize: 18,
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// ButtonTheme(
|
||||
// minWidth: MediaQuery.of(context).size.width / 1.2,
|
||||
// height: 45.0,
|
||||
// buttonColor: Colors.grey[300],
|
||||
// shape: RoundedRectangleBorder(
|
||||
// borderRadius: BorderRadius.circular(6),
|
||||
// ),
|
||||
// child: RaisedButton(
|
||||
// // onPressed: () {
|
||||
// // _stream?.cancel();
|
||||
// // widget.onNcfScan(nfcId);
|
||||
// // Navigator.pop(context);
|
||||
// // },
|
||||
// onPressed: null,
|
||||
// elevation: 0,
|
||||
// child: Text("DONE"),
|
||||
// ),
|
||||
// ),
|
||||
// SizedBox(
|
||||
// height: 30,
|
||||
// ),
|
||||
// ],
|
||||
// ),
|
||||
// );
|
||||
// }
|
||||
// }
|
||||
Loading…
Reference in New Issue