Flutter Card Widget

Sebab property child hanya mampu menampung satu class saja. Card has a single child, but its child can be a column, row, list, grid, or other widget that supports multiple children. At the highest level we provide Material components. Las imágenes, iconos, y texto que ves en una app Flutter, son todo widgets. Futures: Flutter uses future objects to represent Asynchronous operation. Flutter does indeed provide its own set of iOS widgets, but these still have a way to go in terms of comprehensiveness. Styling the video card. Below is an example where a Text is wrapped. Design Desktop is a design system that helps you build rich, interactive prototypes, lets you collaboratively engage, and offers unlimited usability analytics. In that file, make a new, blank StatefulWidget. The flexible space widget is used to create a collapsing toolbar with an appbar effect. Introduction. This tutorial is about how to create Card widget in Flutter and how to customize it. Tinder Card Swipe. Creating a card is straight forward in Flutter, just wrap you content inside a Card widget. Use composition and custom widgets to write reusable and concise UI code. Learn Google Flutter by example. The UI looks really simple and clean however there are some coding challenges when you try to replicate it using flutter. Los widgets de los botones… Los Card en Flutter son otro componente fundamental en cualquier aplicación que trabaje con material Design y esta no es la excepción; los Card View son un componente fundamental ya en Android desde sus inicios que adoptó el Material Design como regla de diseño y que por supuesto lo podemos emplear el Flutter como otro widget más. Flutter provides animation support using an Animation class, an "AnimationController" object for management, and "Tween" to interpolate the range of data. The widget what we are talking will look like below with two member cards:. In the next lesson, we're going to finalize this app and we're going to make these info sections a little bit nicer looking, using a Flutter widget called Card. Dart provides a ready-to-use Material Card class. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. Sample code for getting the width and height of screen and widget in Flutter. At the highest level we provide Material components. jpg and a text widget for additional information. Card width and height should be wrap content. Flutter Stack of cards. ListTile in Flutter with Example in Android Studio. Students will understand the concepts such as introduction to module, creation of flutter projects, widgets in the flutter, creation of widgets, classes, constructors, addition of images and cards, creation of stateful widget, additional features of dart, dart types, core features etc. Working with card widgets and themes 12:02 We go further into styling in this lesson and you will also learn how to add some pizazz to your apps with the Chip widget in Flutter. A flutter package for building card based settings forms. The Flutter framework makes it easy for you to build user interfaces that react smoothly in your app, while reducing the amount of code required to synchronize and update your app's view. It is yet another feature that will help you visually debug your application. Before reviewing the code, let´s talk about what is going to be done and how. So, for all of that and more, I'll. Stateful Widget: A stateful widget is dynamic. Material Design widgets implement Google's design language of the same name, and Cupertino widgets imitate Apple's iOS design. But in flutter we are not using layout xml file instead of this we are using " WIDGETS " and widgets are nested or it is also called widget trees. Flutter uses the pubspec. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. Everything in Flutter is more or less a widget, which is not the case with an Android application or an iOS Application. By default, a Card shrinks its size to 0 by 0 pixels. If any code block takes a long time and if, we did. Implement Tinder like swipe card feature using flutter is quite easy because of the powerful widget provided by Flutter sdk. Flutter Credit Card. We set the mainAxisSize to a minimal and pass multiple children widgets. The DemoCard class receives an Item in its constructor and returns a Card widget that renders Text and Icon elements that display the name and icon defined for each item. Today I'm going to create the PostsList widget that will be displayed when there are images. Hello! In the last few weeks I started reading about and testing Flutter, the new mobile SDK from Google, that let's you build for both Android and iOS at the same time (similar to React Native). io Key points Each child can be positioned or non positioned. It should take a Dog in its constructor. Flutter中文网是中国最大的Flutter开发者交流学习平台,致力于打造Flutter开发中文社区。在这里能轻松找到代码实例、项目案例、并有专人提供最新文档翻译。. A Flutter Widget With The Goal Of Simplifying Styling And To. LATIHAN FLUTTER WEEK#2 : Card Widget. How to build a Widget based on the data that goes out a Stream? Flutter offers a very convenient StatefulWidget, called StreamBuilder. Builder methods essentially create a widget once for each piece of data in a Dart List. While I was away, I had some time to tinker with Flutter. Flutter : Can I add a Header Row to a ListView. From Slider itself all the way up to Dismissible and Draggable. Now includes a brand new module on Flutter State Management! Covering all the fundamental concepts for Flutter development, this is the most comprehensive Flutter course available online. Flutter offers several layout widgets to choose from. Flutter is based on the concept of widgets. Flutter for Web 详细预研. Contact Picker. When a user clicks on a button, we will see that PC item will be added every time on the list and you can display that item as a form of a card on the screen. We set the mainAxisSize to a minimal and pass multiple children widgets. Wrap the button in a Tooltip widget to show a label when the widget long pressed (or when the user takes some other appropriate action). 前端架构 - 聚焦原生开发、H5. First step is to learn what set of code is used to build a listview in flutter. This project-based course shows how to build a personal business card app using Container, Row, Column, and Icon widgets. dart" you will find the Stateful "MyHomePage" Widget that is initialized with the flutter project. 9 release make developing cross-platform Flutter applications simple while maximizing code reuse. ticket_pass_packageA Flutter Widget to display the details of a ticket/pass purchased by customers and display the details of the purchase. 5 KB; Introduction. => There are mainly two types of the Widget, StatelessWidget and StatefullWidget for more information about it Please check my another post. I want to talk to you about one of the most fundamental widgets that we're going to be using all the time to lay out our apps, and that is a container widget. How to add a click event to any widget of Flutter. Flutter Credit Card. HTML/CSS Analogs in Flutter For those familiar with web programming, this page maps HTML/CSS functionality to Flutter features. dart'; void main() { runApp(new MaterialApp( //home: new Text("Cool") home: new MyStatelessWidget() )); } class MyStatelessWidget. To make a legitimate app, you need many of these pages, displaying a multitude of features. Installation Add. Flutter is an open-source mobile application development SDK created by Google. Simple FoldingCell widget Simple folding cell widget implemented in Flutter. If this is your first time playing with Flutter, I recommend you prepare your development environment and setup a basic Flutter project first. So if you have not gone through it, please take a pit stop here, visit it first before proceeding with this tutorial. In this example below, there are three Card widgets. Flutter provides animation support using an Animation class, an “AnimationController” object for management, and “Tween” to interpolate the range of data. ListTile in Flutter is similar to the concept of Cards in Android. Learn how to design an elegant and interactive user interface with Flutter widgets. The latest components, tutorials, and documentation for Flutter. Documentation and code for building banners on Flutter. Let us think of a typical team member widget with social profiles and discuss further on how to add team member widget in Weebly site using traditional "Embed Code" element. T&Cs apply. A VisibilityDetector widget wraps an existing Flutter widget and fires a callback when the widget's visibility changes. I wrote the simple logic for this selector:. Dependencies & Packages. By looking at the design, we can see that the video cards have a drop shadow and rounded corners. A card is a sheet of material that may contain a photo, text, and a link about a single subject. Flutter is an open source SDK for creating high-performance, high-fidelity mobile apps for iOS and Android. The difference is that one has a concept of state within the Widget and some built in methods that tells Flutter to re-render if that state changes. Add dependency to pubspec. This course introduces developers to Flutter widgets prebuilt elements that make it easy to create elegant and interactive user interfaces for iOS and Android. With the Flutter plugin for In-App Payments SDK we can take payments in Flutter. With Flutter, you can design beautiful apps with minimal effort. Once the widget is defined, we will dynamically pull in the Account Manager’s info for each client, as long as the client has an account manager assigned in the Client record page. dart'; void main() { runApp(new MaterialApp( //home: new Text("Cool") home: new MyStatelessWidget() )); } class MyStatelessWidget. By looking at the design, we can see that the video cards have a drop shadow and rounded corners. dev Whenever widgets or their state change, Flutter’s framework creates a new tree of widget instances. Create Dog Card Widget. Flutter Cards - How to Loop a card widgets in Flutter. Flutter offers Material Design and Cupertino (iOS-flavor) widgets to build these UI blocks, along with flexible APIs for 2D, animation, gestures, effects, and more. The UI looks really simple and clean however there are some coding challenges when you try to replicate it using flutter. Tinder Card Swipe. Use composition and custom widgets to write reusable and concise UI code. Flutter apps are blazingly fast because this open source solution compiles your Dart code to platform-specific programs with no JavaScript bridge! Flutter also supports hot reloading to update changes instantly. Google has invested a lot in this product, it is very popular, and it is well supported by the open source community. Column and Row are widgets that you are going to use a lot for building layouts in Flutter, so it's better to get a grasp on them early on. The code is based on flutter version 1. From Slider itself all the way up to Dismissible and Draggable. A widget uses different components to describe what the UI should look like. Card width and height should be wrap content. Learn more about the Card widget in Building Layouts in Flutter. In the body we have an Card which has a child a Column. Well, the answer lies within the above sentence. 前端架构 - 聚焦原生开发、H5. Using Text or Image widgets as the top elements of the widget tree, however, is not a good idea because you won't be able to add any child widgets to them. Flutter : Can I add a Header Row to a ListView. Builder methods essentially create a widget once for each piece of data in a Dart List. io Key points Each child can be positioned or non positioned. If your WIDGET file is related to a piece of hardware on your computer, you might need to update your device drivers associated with that hardware in order to open it. Creating a card is straight forward in Flutter, just wrap you content inside a Card widget. After creating the "AppBar" which is of course just a Row, as I don't like to use the standard AppBar widget. import 'package:flutter/material. And, in case you need to add an Android platform-specific implementation. With Flutter, you can design beautiful apps with minimal effort. If any code block takes a long time and if, we did. The index. Widget and Widget. Los widgets de los botones… Los Card en Flutter son otro componente fundamental en cualquier aplicación que trabaje con material Design y esta no es la excepción; los Card View son un componente fundamental ya en Android desde sus inicios que adoptó el Material Design como regla de diseño y que por supuesto lo podemos emplear el Flutter como otro widget más. In this tutorial we'll cover how to show in app notifications in your Flutter application. ListTile in Flutter with Example in Android Studio. Introduction to Flutter. A Material Design card. yaml file, located at the root of your project, to identify assets required by an app. dart'; void main() { runApp(new MaterialApp( //home: new Text("Cool") home: new MyStatelessWidget() )); } class MyStatelessWidget. just wondering if anyone here with experience has any helpful advice: how does the stack widget effect app performance with a stack of a few dozen widgets? i need to stack a bunch of cards based on a list of objects. How to add a click event to any widget of Flutter Rui Kowase. Flutter is one of the fastest-growing mobile app development frameworks. - Code in Flutter, understand how to code a stateless widget - Make a basic stateless widget In this video, we'll understand how to use stateless widgets in Flutter. photograph below, is part of Border Radius Card Flutter article which is grouped within Card, border radius card flutter and published at October 4, 2019. I want to move the card into the center (horizontally and vertically). I'm a writer, blogger, brainstormer, chronic list-maker, and lover of all things written. Its a widget so add it to any container widget as a child. insert sim card to. In Flutter, a Card features slightly rounded corners and a drop shadow, giving it a 3D effect. We need a nice widget to display our doggos. Check out the example app in the example directory or the 'Example' tab on pub. How to offset a scaffold widget in Flutter? 15. You can customize nearly everything, including the label, the font, the number of forecast days and the colors of every element. In flutter, there are two main ways that you can define themes; through app wide declarations and on individual widgets. But things you don’t see are also widgets, such as the rows, columns, and grids that arrange, constrain, and align the visible widgets. , picture size 1047x2095 posted by at October 5, 2019 The excellent A Flutter Widget With The Goal Of Simplifying Styling And To. Then, update the value in order to show or hide the child. Well, Flutter is a big deal because any developer (or anyone who wants to learn mobile development) can now build Native Android and iOS apps with one codebase ONLY!. I want to talk to you about one of the most fundamental widgets that we're going to be using all the time to lay out our apps, and that is a container widget. Write the following code inside the main. By default, a Card shrinks its size to 0 by 0 pixels. Creating flavors of a Flutter app (Flutter & Android setup) How to scroll to a position in Flutter ListView? How to overlay text and icon on an image in Flutter How to know when user has tapped the back button or back navigation arrow in Flutter How to parse JSON in Dart / Flutter Flutter widget tests: a practical example. The Flutter’s Project Structure. Flutter : Can I add a Header Row to a ListView. Android and IOS APP Development with Flutter. Lately I received a very interesting question: How can we know if a Widget, part of a ListView (or GridView), is actually visible on the screen and how to detect whether it becomes visible when the user scrolls? Answer. Position element need to wrap with Positioned Widget and need to have one non-null property; Default non positioned children positioned in top left corner. Next we need to create makeCard Card and create the items for the list. Do you need simple layout samples for Flutter? I present you my set of Flutter layout code snippets. Kunjungi Website Say. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. I want to move the card into the center (horizontally and vertically). Across The Miles On Butterfly Day! This ecard can be sent to anyone Hi! Wish colors of happiness on Butterfly Day. A widget that positions its children relative to the edges of its box. All Flutter apps can be thought of as widget trees. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. They're a flexible way to present similar content as a collection. yaml file, located at the root of your project, to identify assets required by an app. The UI looks really simple and clean however there are some coding challenges when you try to replicate it using flutter. Stateless Widgets. With ARCore, build new augmented reality experiences that seamlessly blend the digital and physical worlds. org for a more complete example. Flutter provides quite a lot of specially designed widgets like Container, Center, Align, etc. They're a flexible way to present similar content as a collection. I want to loop the cards in the flutter. En Flutter, casi todo es un widget—incluso los modelos de layout son widgets. This page describes some of the widgets available in Flutter. It would be more useful to render all of them as a list. Below we have a simple Text inside a Container which is centred with the Center widget. After creating the “AppBar” which is of course just a Row, as I don’t like to use the standard AppBar widget. - Code in Flutter, understand how to code a stateless widget - Make a basic stateless widget In this video, we'll understand how to use stateless widgets in Flutter. This includes a library of pre-built form field widgets. Discover Beginning Flutter's hands-on approach and why so many developers find this language to be essential for building apps. The Material Application Widget contains a property called theme which allows us to insert a ThemeData object which proliferates the colors and styles that we specify throughout our entire application. an image and a few buttons on them. WebGL is a cross-platform, royalty-free web standard for a low-level 3D graphics API based on OpenGL ES, exposed to ECMAScript via the HTML5 Canvas element. Column and Row are widgets that you are going to use a lot for building layouts in Flutter, so it's better to get a grasp on them early on. Later when you create a Flutter project, you should see a project structure as such: android - for generating the Android app. The images, icons, and text that you see in a Flutter app are all widgets. Card behavior updated to align with guidance across all platforms. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. A flutter package for building card based settings forms. flutter / examples / flutter_gallery / lib / demo / material / cards_demo. GitHub Gist: instantly share code, notes, and snippets. An app page in Flutter is a Widget, a description of the UI portrayed. I have designed this layout in the flutter. Although it is already present in React Native, it is worth mentioning here because, Flutter's version of Hot Reload really eases the effort and makes the whole development process very enjoyable. I want to move the card into the center (horizontally and vertically). I want to talk to you about one of the most fundamental widgets that we're going to be using all the time to lay out our apps, and that is a container widget. I searched the widget everywhere but it was nowhere to be seen. Get the latest version in the 'Installing' tab on pub. 0 will recognize WebGL as a Shader-based API using GLSL, with constructs that are semantically similar to those of the underlying OpenGL ES API. How to know if a Widget, part of a Scollable, is visible? Question. Some basic styling is applied using Shadow, TextStyle, and RoundedRectangleBorder, along with the card's elevation (set to 3). Read more. The Material Application Widget contains a property called theme which allows us to insert a ThemeData object which proliferates the colors and styles that we specify throughout our entire application. Let's take a look at a screenshot that displays it: This is the Flutter widget inspector that we can find in our Android studio. Download source files - 622. This will update the UI immediately because we use StatefulWidget. photograph below, is part of Border Radius Card Flutter article which is grouped within Card, border radius card flutter and published at October 4, 2019. Smart widgets: If a widget has an error, then only that widget and its children are affected, all other widgets render just fine. En Flutter, casi todo es un widget—incluso los modelos de layout son widgets. Okay, First of all I am sorry, I made that GIF from a set of screenshots, so it might not be as smooth as one would expect a gif to be. ListView/ScrollPhysics; An image here is overlaid by a card which is positioned at the bottom. ListTile in Flutter is similar to the concept of Cards in Android. Once the widget is defined, we will dynamically pull in the Account Manager’s info for each client, as long as the client has an account manager assigned in the Client record page. Further down, we have the category list, as always we have to put the ListView. fluttertutorial. A Flutter widget that can be expanded or collapsed by the user. The source code is 100% Dart, and everything resides in. In that file, make a new, blank StatefulWidget. Hello there! Welcome to the second tutorial of our Flutter series. This course introduces developers to Flutter widgets—prebuilt elements that make it easy to create elegant and interactive user interfaces for iOS and Android. Add a GridView. Connect your repo and within minutes build in the cloud, test on thousands of real devices, distribute to beta testers and app stores, and monitor real-world usage with crash and analytics data. Hoy vamos a seguir trabajando en Flutter pero vamos a ver directamente un elemento que es indispensable en cualquier interfaz, el elemento para procesar acciones por excelencia como lo es el botón, y que el Flutter es el realidad un widgets; lo cual va perfectamente bien con las Cards o Cartas que vimos anteriormente en otra entrada en Android. Wrap the button in a Tooltip widget to show a label when. MiCard Personal Business Card app. The UI looks really simple and clean however there are some coding challenges when you try to replicate it using flutter. It would be more useful to render all of them as a list. Set the mainAxisSize to a minimal and pass multiple children widgets. Flutter Stack of cards. Implement Tinder like swipe card feature using flutter is quite easy because of the powerful widget provided by Flutter sdk. Material widget provides you with shadows, background color, borders and much more. Dismissible Widget helps in creating a Swipe to Delete Motion which is a very important UI action in any application. This widgets allows swiping in both directions. If you think it is complicated to create a horizontal scrolling widget in Flutter, you are wrong. Flutter App We will build a Flutter App that can display a List of Post objects, we can also click on the circle Remove Button to delete a Post from the List. It is used to develop applications for Android and iOS, as well as being the primary method of creating applications for Google Fuchsia, Flutter widgets incorporate all critical platform differences such as scrolling, navigation, icons and fonts to provide full native performance on both iOS and Android. Manage your business from the palm of your hand. Right now you just have a card for your dog. Once the widget is defined, we will dynamically pull in the Account Manager’s info for each client, as long as the client has an account manager assigned in the Client record page. In this article we will use simple examples to look at all of the common use cases for making them. I want to loop the cards in the flutter. Additionally, in order to conform to the Material Design spec, we must add a padding of 16 dp to the Column widget. First you'll make a card that looks like this: Create a new file called 'dog_card. Forever free, open source, and easy to use. All you do is just pick up widgets and put them together to create an application. Also, you will find all the assets used in the project. In Flutter, a Card features slightly rounded corners and a drop shadow, giving it a 3D effect. A credit card widget for Flutter application. Flutter-解决搜索时数据错乱的问题. ListView/ScrollPhysics; An image here is overlaid by a card which is positioned at the bottom. Set the mainAxisSize to a minimal and pass multiple children widgets. The icons (or other widgets) for the tile are defined with the leading and trailing parameters. First, create a new file called dog_list. 1BestCsharp blog 6,238,679 views. Check out the example app in the example directory or the 'Example' tab on pub. dart" you will find the Stateful "MyHomePage" Widget that is initialized with the flutter project. Everything in the flutter is some kind of widget. Although it is already present in React Native, it is worth mentioning here because, Flutter’s version of Hot Reload really eases the effort and makes the whole development process very enjoyable. So, this is how you can work with StatefulWidget in the flutter. The style is a bit like a cross between the cupertino settings screen and material design; The idea is it should be usable and intutive on both iOS and Android. This article is eighth in the series of articles which take a look at Flutter built-in widgets. A widget that positions its children relative to the edges of its box. 1BestCsharp blog 6,238,679 views. I wrote the simple logic for this selector:. After offering a glimpse into the capabilities of Flutter with this super smooth login animation, we thought of taking it a step further by creating a Tinder-like card swipe component, which offered a much more in-depth understanding of animation control and rendering in Flutter. GridView Builder: To show a list of movies in grid view. Well, using this widget, you can easily make Tinder like swiping cards for your Flutter app. Tinder Card Swipe. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. Flutter is a user interface (UI) toolkit that aims to do exactly that. Wish someone special a happy birthday filled with happiness and love to make their heart flutter with joy! Free online Flutter With Joy ecards on Birthday. Flutter apps are blazingly fast because this open source solution compiles your Dart code to platform-specific programs with no JavaScript bridge! Flutter also supports hot reloading to update changes instantly. The ebook is a book that contains articles and code about flutter widgets. A First Look at the Flutter App. ListView/ScrollPhysics; An image here is overlaid by a card which is positioned at the bottom. List of Cards from a JSON source in Flutter This Article is posted by seven. - FlutterPub. Overview The Account Manager Contact Card is a new widget type that lets you display Account Manager information on a dashboard. Latest course update now includes an entire module on Flutter State Management! Welcome to the Complete Flutter App Development Bootcamp with Dart - created in collaboration with the Google Flutter team. Luckily, with the Steady app I wrote, most of the UI was already custom. We set the mainAxisSize to a minimal and pass multiple children widgets. MiCard Personal Business Card app. Learn Google Flutter by example. Stateless Widgets. In this quick tutorial, I want to show you how to set up a Flutter app with bottom navigation and a scrolling card list. dart" you will find the Stateful "MyHomePage" Widget that is initialized with the flutter project. The material library is implemented in terms of the widgets library. Then, update the value in order to show or hide the child. Flutter apps are blazingly fast because this open source solution compiles your Dart code to platform-specific programs with no JavaScript bridge! Flutter also supports hot reloading to update changes instantly. All Flutter apps can be thought of as widget trees. , only for the purpose of laying out the user interface. I searched the widget everywhere but it was nowhere to be seen. A Flutter package allows you to easily implement the Credit card's UI easily with the Card detection. While I was away, I had some time to tinker with Flutter. July 31, 2019July 31, 2019. In Flutter, a Card features slightly rounded corners and a drop shadow, giving it a 3D effect. This problem is commonly related to multimedia file types that depend upon a piece of hardware inside of your computer to be successfully opened, such as a sound card or graphics. Happy Butterfly Card. The code is based on flutter version 1. Flutter offers several layout widgets to choose from. Covering all the fundamental concepts for Flutter development, this is the most comprehensive Flutter course available online. So, for all of that and more, I'll. Now includes a brand new module on Flutter State Management! Covering all the fundamental concepts for Flutter development, this is the most comprehensive Flutter course available online. In the next lesson, we're going to finalize this app and we're going to make these info sections a little bit nicer looking, using a Flutter widget called Card. A card is a sheet of material that may contain a photo, text, and a link about a single subject. Get the latest version in the 'Installing' tab on pub. class MyApp extends StatelessWidget { // This widget is the root of your application. Flutter installation, Flutter widget, Flutter Tutorial In a mobile application, GridView is a view group that displays items in a two-dimensional scrolling grid (rows and columns). Some basic styling is applied using Shadow, TextStyle, and RoundedRectangleBorder, along with the card's elevation (set to 3). Card evevation is must be null or non – negative. One of the most important concepts in Flutter UI is rendering UI lists, which is often done in builder methods. Each visual component of an app is a widget — think of them as views in Android. Battery widget has been a big help in monitoring the power status of the connected Bluetooth devices like headphones, speakers, and Apple Pencil. But in flutter we are not using layout xml file instead of this we are using " WIDGETS " and widgets are nested or it is also called widget trees. In this post let's try to create a cool ScrollView effect that you might have come across in several apps. they're relatively simple card widgets. Since in Angular 2 just *ngFor works fine now in same way how can i loop it. The user can interact with a stateful widget or it changes over the time. GridView Builder: To show a list of movies in grid view. Once the widget is defined, we will dynamically pull in the Account Manager’s info for each client, as long as the client has an account manager assigned in the Client record page. With ARCore, build new augmented reality experiences that seamlessly blend the digital and physical worlds. Although it is already present in React Native, it is worth mentioning here because, Flutter's version of Hot Reload really eases the effort and makes the whole development process very enjoyable. It should take a Dog in its constructor. ListTile in Flutter with Example in Android Studio. The latest components, tutorials, and documentation for Flutter.