voidmain()async{// Normal initializationWidgetsFlutterBinding.ensureInitialized();awaitFirebase.initializeApp(options:DefaultFirebaseOptions.currentPlatform,);// 1. Create a ProviderContainerfinalcontainer=ProviderContainer();// 2. Use it to read the providercontainer.read(dynamicLinksServiceProvider);// 3...
return _ShowHideDemoState(); } } class _ShowHideDemoState extends State { bool _isVisible = true; void showToast() { setState(() { _isVisible = !_isVisible; }); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text('Flutter Show/Hide...
Color _buildColor(numvalue) {if(value >=50.0)returnColors.yellow.shade500;if(value >=40.0)returnColors.green.shade700;if(value >=30.0)returnColors.green.shade500;if(value >=5.0)returnColors.green.shade300;if(value >0.0)returnColors.green.shade200;returnColors.red.shade800; }double_findValue...
Flutter is a cross-platform development framework that allows you to quickly build native-feeling Android, iOS, Web, Linux, macOS, and Windows applications. With Flutter, you will find that many of the complexities of building platform-specific applications are bypassed for you. Flutter is also k...
You can take a look at the below example: class HomePage extends StatelessWidget { @override Widget build(BuildContext context) { Size screenSize = MediaQuery.of(context).size; Orientation orientation = MediaQuery.of(context).orientation; return Scaffold( body: Container( color: CustomColors.android...
Insert two buttons, one to start life and one to watch live. import'package:flutter/material.dart';voidmain(){runApp(constMyApp());}classMyAppextendsStatelessWidget{constMyApp({Key?key}):super(key:key);@overrideWidgetbuild(BuildContextcontext){returnconstMaterialApp(title:'Flutter Demo',home:...
When developing a Flutter application, you will work with a widget. Widgets are the fundamental building blocks of a Flutter app, and they’re used to generate both the visual and functional parts of an app (such as buttons and text) (like Stateless Widgets). Stateless Widgets and Stateful ...
So what does this mean for us, Flutter developers? Well, the intended effect of the build() method is to return a widget. And the unintended side effects we must avoid at all costs are: mutating state executing asynchronous code A few examples of side effects To better illustrate the point...
Now, we have the basic requirements for creating the choropleth map using Syncfusion Flutter Maps widget. As I mentioned earlier, we need a single parameter, based on which the color of the region will be applied. In our case,densityis the required parameter. We need to return the density ...
Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Flutter App'), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Row( mainAxisAlignment: MainAxisAlignment.center, children: [ ...