From dcba6a34f0406b7498c2a0b70b356068b3294b97 Mon Sep 17 00:00:00 2001
From: Maximilian Betz <Maximilian.Betz@awi.de>
Date: Fri, 11 Feb 2022 13:36:34 +0100
Subject: [PATCH] get gnss postion works
---
README.md | 7 +++
android/app/src/main/AndroidManifest.xml | 2 +
lib/addevent.dart | 72 +++++++++++++++++++-----
pubspec.lock | 60 +++++++++++++++++---
pubspec.yaml | 2 +-
5 files changed, 120 insertions(+), 23 deletions(-)
diff --git a/README.md b/README.md
index 70dd01b..4486d17 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,10 @@ A cross plattform project for android and ios to log events offline everywhere a
- Textfield to show current locally selected and offline available collection
- Button "get Collection devices from Sensor"
- Button "store Collection devices locally"
+
+
+
+
+## GNSS
+- Checkbox on add event page which activates GNSS locationing. A field shall signal "no fix" or presision in meter.
+The fields lat, long, elevation are updated automatically if checkbox is checked.
\ No newline at end of file
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 28156ba..d194cca 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -33,4 +33,6 @@
</application>
<!-- Required to fetch data from the internet. -->
<uses-permission android:name="android.permission.INTERNET" />
+ <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+ <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
</manifest>
diff --git a/lib/addevent.dart b/lib/addevent.dart
index 64b9bfd..c469156 100644
--- a/lib/addevent.dart
+++ b/lib/addevent.dart
@@ -1,9 +1,35 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'datamodel.dart';
+import 'dart:async';
+import 'package:geolocator/geolocator.dart';
-class AddEvent extends StatelessWidget {
+Future<Position> fetchPosition() async {
+ Position position = await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
+ print(position.longitude); //Output: 80.24599079
+ print(position.latitude); //Output: 29.6593457
+ print(position.altitude);
+
+ String long = position.longitude.toString();
+ String lat = position.latitude.toString();
+ String alt = position.altitude.toString();
+
+ return position;
+}
+
+class AddEvent extends StatefulWidget {
+ @override
+ State<AddEvent> createState() => _AddEventPageState();
+}
+
+class _AddEventPageState extends State<AddEvent> {
+ final List<bool> _isSelected = [true];
+
+ @override
+ void initState() {
+ super.initState();
+ }
void _storeCurrentEvent() {
final EventStoreInstance storedEvents = EventStoreInstance();
@@ -30,6 +56,7 @@ class AddEvent extends StatelessWidget {
final EventStoreInstance storedEvents = EventStoreInstance();
final EventCurrentInstance currentEvent = EventCurrentInstance();
+
return Scaffold(
appBar: AppBar(title: const Text("Add Event")),
body:
@@ -51,12 +78,12 @@ class AddEvent extends StatelessWidget {
labelText: 'Event Type',
),
items:
- eventTypes.store.map((EventType event) {
- return DropdownMenuItem(
- value: event.name,
- child: Text(event.name),
- );
- }).toList(),
+ eventTypes.store.map((EventType event) {
+ return DropdownMenuItem(
+ value: event.name,
+ child: Text(event.name),
+ );
+ }).toList(),
onChanged: (value) {
currentEvent.store.type = value.toString();
}
@@ -101,17 +128,36 @@ class AddEvent extends StatelessWidget {
decoration: const InputDecoration(
labelText: 'Elevation'
),
- )
+ ),
+ FutureBuilder<Position>(
+ future: fetchPosition(),
+ builder: (context, snapshot){
+ if (snapshot.hasData)
+ {
+ return Text(snapshot.data!.latitude.toString());
+ }
+ else{
+ return CircularProgressIndicator();
+ }
+ }
+ ),
]),
bottomNavigationBar: Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
- FloatingActionButton(
- heroTag: null,
- onPressed: null,
- tooltip: 'Get GNSS from device',
- child: Icon(Icons.my_location),
+
+ ToggleButtons(
+ children: <Widget>[
+ Icon(Icons.my_location),
+ ],
+ isSelected: _isSelected,
+ onPressed: (int index) {
+ setState(() {
+ _isSelected[index] = !_isSelected[index];
+ });
+ },
),
+
SizedBox(width: 50),
FloatingActionButton(
heroTag: null,
diff --git a/pubspec.lock b/pubspec.lock
index 4fae244..5f39eac 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -93,6 +93,48 @@ packages:
description: flutter
source: sdk
version: "0.0.0"
+ geolocator:
+ dependency: "direct main"
+ description:
+ name: geolocator
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "8.1.1"
+ geolocator_android:
+ dependency: transitive
+ description:
+ name: geolocator_android
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "3.0.2"
+ geolocator_apple:
+ dependency: transitive
+ description:
+ name: geolocator_apple
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "2.0.1"
+ geolocator_platform_interface:
+ dependency: transitive
+ description:
+ name: geolocator_platform_interface
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "4.0.2"
+ geolocator_web:
+ dependency: transitive
+ description:
+ name: geolocator_web
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "2.1.4"
+ geolocator_windows:
+ dependency: transitive
+ description:
+ name: geolocator_windows
+ url: "https://pub.dartlang.org"
+ source: hosted
+ version: "0.1.0"
http:
dependency: "direct main"
description:
@@ -190,35 +232,35 @@ packages:
name: shared_preferences
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.12"
+ version: "2.0.13"
shared_preferences_android:
dependency: transitive
description:
name: shared_preferences_android
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.10"
+ version: "2.0.11"
shared_preferences_ios:
dependency: transitive
description:
name: shared_preferences_ios
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.9"
+ version: "2.0.10"
shared_preferences_linux:
dependency: transitive
description:
name: shared_preferences_linux
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.4"
+ version: "2.1.0"
shared_preferences_macos:
dependency: transitive
description:
name: shared_preferences_macos
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.2"
+ version: "2.0.3"
shared_preferences_platform_interface:
dependency: transitive
description:
@@ -239,7 +281,7 @@ packages:
name: shared_preferences_windows
url: "https://pub.dartlang.org"
source: hosted
- version: "2.0.4"
+ version: "2.1.0"
sky_engine:
dependency: transitive
description: flutter
@@ -307,14 +349,14 @@ packages:
name: win32
url: "https://pub.dartlang.org"
source: hosted
- version: "2.3.6"
+ version: "2.3.11"
xdg_directories:
dependency: transitive
description:
name: xdg_directories
url: "https://pub.dartlang.org"
source: hosted
- version: "0.2.0"
+ version: "0.2.0+1"
sdks:
dart: ">=2.15.1 <3.0.0"
- flutter: ">=2.5.0"
+ flutter: ">=2.8.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 60438c9..87d46a2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -32,7 +32,7 @@ dependencies:
shared_preferences: ^2.0.12
http: ^0.13.4
-
+ geolocator: ^8.1.1
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
--
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