Initial project commit

2022-01-24 21:39:14 +01:00
commit 1e673781cd
20 changed files with 848 additions and 0 deletions
--- a/lib/Content.dart
+++ b/lib/Content.dart
@@ -0,0 +1,91 @@
+import 'package:flutter/material.dart';
+import 'package:geolocator/geolocator.dart';
+
+class Content extends StatefulWidget {
+  const Content({Key? key}) : super(key: key);
+
+  @override
+  _ContentState createState() => _ContentState();
+}
+
+class _ContentState extends State<Content> {
+  String? _coordinates;
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          ElevatedButton(
+            child: Text("Test coordinates"),
+            onPressed: () async {
+              try {
+                _coordinates = (await _getLocationAsync()).toString();
+                setState(() {});
+              } catch (e) {
+                _coordinates = e.toString();
+                setState(() {});
+              }
+            },
+          ),
+          _coordinates != null
+              ? Text(_coordinates!.toString())
+              : const SizedBox(),
+        ],
+      ),
+    );
+  }
+
+  Future<Position> _getLocationAsync() async {
+    bool serviceEnabled;
+    LocationPermission permission;
+
+    showDialog<void>(
+      context: context,
+      builder: (BuildContext dialogContext) {
+        return const SimpleDialog(
+          children: [
+            Center(
+              child: CircularProgressIndicator(),
+            ),
+          ],
+        );
+      },
+    );
+
+    // Test if location services are enabled.
+    serviceEnabled = await Geolocator.isLocationServiceEnabled();
+    if (!serviceEnabled) {
+      // Location services are not enabled don't continue
+      // accessing the position and request users of the
+      // App to enable the location services.
+      return Future.error('Location services are disabled.');
+    }
+
+    permission = await Geolocator.checkPermission();
+    if (permission == LocationPermission.denied) {
+      permission = await Geolocator.requestPermission();
+      if (permission == LocationPermission.denied) {
+        // Permissions are denied, next time you could try
+        // requesting permissions again (this is also where
+        // Android's shouldShowRequestPermissionRationale
+        // returned true. According to Android guidelines
+        // your App should show an explanatory UI now.
+        return Future.error('Location permissions are denied');
+      }
+    }
+
+    if (permission == LocationPermission.deniedForever) {
+      // Permissions are denied forever, handle appropriately.
+      return Future.error(
+          'Location permissions are permanently denied, we cannot request permissions.');
+    }
+
+    // When we reach here, permissions are granted and we can
+    // continue accessing the position of the device.
+    var position = await Geolocator.getCurrentPosition();
+    Navigator.pop(context);
+    return position;
+  }
+}