erichardson/wheres-my-sign
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Add title image

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Move GMS API KEY to .env file
use better sign icon for pins
This commit is contained in:
Evan Richardson
2025-04-17 19:03:55 -07:00
parent 66e4132856
commit 8e548f095b
8 changed files with 143 additions and 94 deletions
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11
android/app/build.gradle.kts
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@@ -5,10 +5,18 @@ plugins {
id("dev.flutter.flutter-gradle-plugin")
}
import java.util.Properties
import java.io.FileInputStream
val dotenv = Properties().apply {
load(FileInputStream(rootProject.file("../.env")))
}
android {
namespace = "com.example.wheres_my_sign"
compileSdk = flutter.compileSdkVersion
ndkVersion = flutter.ndkVersion
ndkVersion = "27.0.12077973"
//ndkVersion = flutter.ndkVersion
compileOptions {
sourceCompatibility = JavaVersion.VERSION_11
@@ -20,6 +28,7 @@ android {
}
defaultConfig {
manifestPlaceholders["GMS_API_KEY"] = dotenv.getProperty("GMS_API_KEY")
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId = "com.example.wheres_my_sign"
// You can update the following values to match your application needs.

5
android/app/src/main/AndroidManifest.xml
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@@ -1,8 +1,13 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<application
android:label="wheres_my_sign"
android:name="${applicationName}"
android:icon="@mipmap/ic_launcher">
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="${GMS_API_KEY}"/>
<activity
android:name=".MainActivity"
android:exported="true"

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assets/icons/sign_marker.png Normal file
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206
lib/main.dart
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@@ -1,122 +1,144 @@
import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:geolocator/geolocator.dart';
import 'package:permission_handler/permission_handler.dart';
void main() {
runApp(const MyApp());
Future<void> main() async {
await dotenv.load(fileName: ".env");
runApp(SignLocatorApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
class SignLocatorApp extends StatelessWidget {
const SignLocatorApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// TRY THIS: Try running your application with "flutter run". You'll see
// the application has a purple toolbar. Then, without quitting the app,
// try changing the seedColor in the colorScheme below to Colors.green
// and then invoke "hot reload" (save your changes or press the "hot
// reload" button in a Flutter-supported IDE, or press "r" if you used
// the command line to start the app).
//
// Notice that the counter didn't reset back to zero; the application
// state is not lost during the reload. To reset the state, use hot
// restart instead.
//
// This works for code too, not just values: Most code changes can be
// tested with just a hot reload.
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
title: 'Sign Locator',
theme: ThemeData(primarySwatch: Colors.blue),
home: SignMapScreen(),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
class SignMapScreen extends StatefulWidget {
const SignMapScreen({super.key});
@override
State<MyHomePage> createState() => _MyHomePageState();
SignMapScreenState createState() => SignMapScreenState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
class SignMapScreenState extends State<SignMapScreen> {
GoogleMapController? mapController;
Set<Marker> markers = {};
LatLng _initialPosition = const LatLng(37.7749, -122.4194); // Default: SF
BitmapDescriptor customIcon = BitmapDescriptor.defaultMarker;
void _incrementCounter() {
void customMarker() {
BitmapDescriptor.asset(
ImageConfiguration(),
'assets/icons/sign_marker.png',
).then((icon) {
setState(() {
customIcon = icon;
});
});
}
@override
void initState() {
super.initState();
_requestPermissions();
customMarker();
}
Future<void> _requestPermissions() async {
await Permission.locationWhenInUse.request();
_goToUserLocation();
}
Future<void> _goToUserLocation() async {
bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
if (!serviceEnabled) return;
LocationPermission permission = await Geolocator.checkPermission();
if (permission == LocationPermission.denied ||
permission == LocationPermission.deniedForever) {
permission = await Geolocator.requestPermission();
}
Position position = await Geolocator.getCurrentPosition();
_initialPosition = LatLng(position.latitude, position.longitude);
mapController?.animateCamera(CameraUpdate.newLatLng(_initialPosition));
}
void _addMarker() async {
Position position = await Geolocator.getCurrentPosition();
final markerId = MarkerId(DateTime.now().toString());
final newMarker = Marker(
markerId: markerId,
position: LatLng(position.latitude, position.longitude),
infoWindow: InfoWindow(title: 'Sign Location'),
icon: customIcon,
);
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
markers.add(newMarker);
});
}
void _clearMarkers() {
setState(() {
markers.clear();
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// TRY THIS: Try changing the color here to a specific color (to
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
// change color while the other colors stay the same.
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
//
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
// action in the IDE, or press "p" in the console), to see the
// wireframe for each widget.
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text('You have pushed the button this many times:'),
Text(
'$_counter',
style: Theme.of(context).textTheme.headlineMedium,
),
],
title: SizedBox(
width: MediaQuery.of(context).size.width,
child: Image.asset(
'assets/app_title.png', // Replace with your image path
fit: BoxFit.contain, // Adjust the height as needed
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
body: GoogleMap(
zoomGesturesEnabled: true,
scrollGesturesEnabled: true,
tiltGesturesEnabled: true,
rotateGesturesEnabled: true,
mapType: MapType.normal,
onMapCreated: (controller) {
mapController = controller;
},
initialCameraPosition: CameraPosition(
target: _initialPosition,
zoom: 14,
),
myLocationEnabled: true,
markers: markers,
),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
FloatingActionButton(
onPressed: _addMarker,
tooltip: 'Drop Pin',
child: Icon(Icons.add_location),
),
SizedBox(height: 12),
FloatingActionButton(
onPressed: _clearMarkers,
backgroundColor: Colors.red,
tooltip: 'Clear Pins',
child: Icon(Icons.clear),
),
],
),
);
}
}

8
pubspec.lock
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@@ -86,6 +86,14 @@ packages:
description: flutter
source: sdk
version: "0.0.0"
flutter_dotenv:
dependency: "direct main"
description:
name: flutter_dotenv
sha256: b7c7be5cd9f6ef7a78429cabd2774d3c4af50e79cb2b7593e3d5d763ef95c61b
url: "https://pub.dev"
source: hosted
version: "5.2.1"
flutter_lints:
dependency: "direct dev"
description:

5
pubspec.yaml
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@@ -37,6 +37,7 @@ dependencies:
google_maps_flutter: ^2.12.1
geolocator: ^14.0.0
permission_handler: ^12.0.0+1
flutter_dotenv: ^5.2.1
dev_dependencies:
flutter_test:
@@ -90,3 +91,7 @@ flutter:
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/to/font-from-package
assets:
- .env
- assets/app_title.png
- assets/icons/sign_marker.png

2
test/widget_test.dart
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@@ -13,7 +13,7 @@ import 'package:wheres_my_sign/main.dart';
void main() {
testWidgets('Counter increments smoke test', (WidgetTester tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
await tester.pumpWidget(const SignLocatorApp());
// Verify that our counter starts at 0.
expect(find.text('0'), findsOneWidget);