92 lines
2.7 KiB
Dart
92 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:geolocator/geolocator.dart';
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class Content extends StatefulWidget {
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const Content({Key? key}) : super(key: key);
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@override
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_ContentState createState() => _ContentState();
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}
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class _ContentState extends State<Content> {
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String? _coordinates;
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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ElevatedButton(
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child: Text("Test coordinates"),
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onPressed: () async {
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try {
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_coordinates = (await _getLocationAsync()).toString();
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setState(() {});
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} catch (e) {
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_coordinates = e.toString();
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setState(() {});
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}
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},
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),
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_coordinates != null
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? Text(_coordinates!.toString())
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: const SizedBox(),
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],
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),
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);
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}
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Future<Position> _getLocationAsync() async {
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bool serviceEnabled;
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LocationPermission permission;
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showDialog<void>(
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context: context,
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builder: (BuildContext dialogContext) {
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return const SimpleDialog(
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children: [
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Center(
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child: CircularProgressIndicator(),
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),
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],
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);
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},
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);
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// Test if location services are enabled.
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serviceEnabled = await Geolocator.isLocationServiceEnabled();
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if (!serviceEnabled) {
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// Location services are not enabled don't continue
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// accessing the position and request users of the
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// App to enable the location services.
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return Future.error('Location services are disabled.');
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}
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permission = await Geolocator.checkPermission();
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if (permission == LocationPermission.denied) {
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permission = await Geolocator.requestPermission();
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if (permission == LocationPermission.denied) {
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// Permissions are denied, next time you could try
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// requesting permissions again (this is also where
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// Android's shouldShowRequestPermissionRationale
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// returned true. According to Android guidelines
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// your App should show an explanatory UI now.
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return Future.error('Location permissions are denied');
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}
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}
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if (permission == LocationPermission.deniedForever) {
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// Permissions are denied forever, handle appropriately.
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return Future.error(
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'Location permissions are permanently denied, we cannot request permissions.');
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}
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// When we reach here, permissions are granted and we can
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// continue accessing the position of the device.
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var position = await Geolocator.getCurrentPosition();
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Navigator.pop(context);
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return position;
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}
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}
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