#Flutter Widget Catalog

[flutterdevs]

Flutter Widget Catalog: An In-Depth Exploration of Flutter Widgets

Flutter, Google's open-source UI toolkit, has gained immense popularity among developers for its cross-platform capabilities and extensive widget library. The widget library is one of the key strengths of Flutter, offering a wide range of ready-to-use components that enable developers to create stunning and interactive user interfaces. In this blog post, we will take a deep dive into the Flutter widget catalog, exploring some of the most commonly used widgets and their functionalities.

What are Flutter Widgets? Flutter widgets are the building blocks of a Flutter application's user interface. They are reusable UI elements that can be combined and customized to create visually appealing and interactive interfaces. Widgets can be classified into two main categories: Stateless and Stateful widgets.

Stateless Widgets: Stateless widgets are immutable and do not change their appearance based on user interactions or external data. They are ideal for representing static UI components. Some commonly used stateless widgets include Text, Image, Icon, and Button.

Stateful Widgets: Stateful widgets, on the other hand, can change their appearance or behavior based on user interactions or external data. They maintain their state and update their UI whenever the state changes. Examples of stateful widgets include Checkbox, TextField, Slider, and DropdownButton.

Layout Widgets: Layout widgets in Flutter help in organizing and positioning other widgets within the user interface. They provide a way to structure the UI elements in a specific layout pattern. Some popular layout widgets include Row, Column, Stack, Container, and ListView.

Material Design Widgets: Flutter provides a set of widgets that follow the Material Design guidelines, enabling developers to create visually consistent and aesthetically pleasing UIs. These widgets include AppBar, FloatingActionButton, BottomNavigationBar, Card, and Snackbar.

Cupertino Widgets: Cupertino widgets are designed to mimic the iOS-style interface, providing a native look and feel for iOS applications developed using Flutter. They include widgets like CupertinoNavigationBar, CupertinoButton, CupertinoTextField, and CupertinoDatePicker.

Animation and Gesture Widgets: Flutter offers a rich set of animation and gesture widgets that allow developers to create engaging and interactive user experiences. Some notable widgets in this category are AnimatedContainer, Hero, GestureDetector, and DragTarget.

Custom Widgets: In addition to the built-in widgets, Flutter allows developers to create their own custom widgets tailored to their specific needs. Custom widgets provide flexibility and reusability, allowing developers to encapsulate complex UI components into a single widget.

Testing and Debugging Widgets: Flutter provides a range of widgets specifically designed for testing and debugging purposes. These widgets assist in identifying and resolving UI-related issues during development. Widgets like Semantics, TestWidgetsFlutterBinding, and MediaQuery are commonly used for testing and debugging purposes.

Conclusion: In this blog post, we have explored the Flutter widget catalog, highlighting the different types of widgets available and their functionalities. Flutter's extensive widget library empowers developers to create visually stunning and highly interactive user interfaces for their applications. Whether you are building a simple static UI or a complex custom widget, Flutter offers a wide range of tools and components to meet your needs. By leveraging the power of Flutter widgets, developers can save time and effort while delivering top-notch user experiences.

[john-carle123]

The Future of Cross-Platform Development: Flutter vs. React Native in 2024

Hey there, fellow code wranglers and app aficionados! Pull up a chair, grab your favorite caffeinated beverage, and let's dive into one of the hottest debates in the mobile dev world: Flutter vs. React Native. It's 2024, and these two titans of cross-platform development are still duking it out for supremacy. But which one should you choose for your next project? Let's break it down, shall we?

The Cross-Platform Dream

First off, let's remind ourselves why we're even having this conversation. Remember the days of building separate apps for iOS and Android? Yeah, those were fun times (said no one ever). Cross-platform development promises the holy grail: write once, run anywhere. And both Flutter and React Native have been delivering on that promise, each in their own unique way.

Flutter: The Dart-Powered Dynamo

Let's start with Google's golden child, Flutter. Born in 2017, Flutter has grown up fast. By 2024, it's become a force to be reckoned with. Here's what's got developers buzzing:

1. Dart-astic Performance

Flutter's secret weapon? Dart. This language compiles to native code, giving Flutter apps that buttery-smooth 60 FPS performance we all crave. In 2024, Dart's just gotten better, with even more optimizations that make Flutter apps fly.

2. Widget Wonderland

Flutter's widget-based architecture is still a hit. Everything's a widget, which makes building UIs a breeze. And with the ever-expanding catalog of pre-built widgets, you can whip up a slick UI faster than you can say "hot reload."

3. Hot Reload on Steroids

Speaking of hot reload, Flutter's implementation is still lightning-fast in 2024. Make a change, see it instantly. It's like having a superpower for debugging and iterating.

4. Beyond Mobile

Flutter's not just for phones anymore. With Flutter for Web and Flutter Desktop in full swing, you can truly write once and run everywhere. Building a cohesive ecosystem across all platforms has never been easier.

5. Strong Community Vibes

The Flutter community has exploded. There's a package for everything, and the knowledge sharing is off the charts. Got a problem? Stack Overflow's got your back, pronto.

React Native: The JavaScript Juggernaut

Now, let's talk about Facebook's baby, React Native. It's been around since 2015, and it's aged like fine wine. Here's why it's still a top contender in 2024:

1. JavaScript Everywhere

React Native's use of JavaScript is still its biggest selling point. With JS being the lingua franca of web development, the learning curve for web devs is practically flat. Plus, the JavaScript ecosystem is vast and vibrant.

2. Native Feel, React Familiarity

React Native lets you build truly native apps using React. If you know React, you're already halfway there. And in 2024, the bridge between React Native and native components is smoother than ever.

3. Hot Reloading Delight

Like Flutter, React Native boasts hot reloading. Make a change, see it live. It's a developer's dream come true.

4. Web Integration Winner

Need to share code between your web and mobile apps? React Native's got you covered. The line between web and mobile development is blurrier than ever in 2024.

5. Battle-Tested and Enterprise-Ready

React Native has been around the block. It's proven itself in the trenches of app development, and big names are still betting on it. Stability and reliability are the name of the game here.

The Showdown: Flutter vs. React Native in 2024

Alright, now for the main event. How do these two stack up against each other in 2024? Let's break it down:

Performance

Flutter still has the edge here. Its compiled nature gives it a performance boost that's hard to beat. React Native has made strides, but if raw speed is your game, Flutter's your name.

Development Speed

It's a close call, but Flutter might have a slight advantage. Its hot reload is a tad faster, and the widget-based architecture can speed up UI development. However, if your team is already React-savvy, React Native might be quicker for you.

Learning Curve

React Native takes the cake here, especially if you're coming from a web background. JavaScript's ubiquity makes it easier to pick up. Dart, while not difficult, is less common and might take a bit more time to master.

UI Components

Flutter's built-in widget library is more comprehensive out of the box. React Native relies more on third-party libraries for advanced components. However, both have robust ecosystems in 2024, so you're not likely to be left wanting.

Community and Ecosystem

It's neck and neck. React Native has the advantage of age and the broader JavaScript community. Flutter, however, has seen exponential growth and has a dedicated, passionate following. You'll find plenty of support and resources for both in 2024.

Cross-Platform Capabilities

Flutter has made significant strides here. Its ability to target mobile, web, and desktop from a single codebase is impressive. React Native can do this too, but Flutter's implementation feels more cohesive.

Long-Term Viability

Both are here to stay. Google and Facebook are still heavily investing in their respective frameworks. Neither is going anywhere anytime soon.

So, Which One Should You Choose?

Ah, the million-dollar question. The truth is, there's no one-size-fits-all answer. It depends on your specific needs, your team's expertise, and your project requirements. Here's a quick guide:

Choose Flutter if:

- Performance is your top priority

- You're building a complex UI with custom designs

- You want to target multiple platforms (mobile, web, desktop) with a single codebase

- Your team is willing to learn Dart or already knows it

Go with React Native if:

- Your team is already proficient in JavaScript and React

- You need to share code between web and mobile apps

- You're building an app that needs to integrate closely with native components

- You prefer a more mature ecosystem with a longer track record

The Verdict

Here's the beautiful truth: you can't go wrong with either Flutter or React Native in 2024. They're both fantastic frameworks that can help you build amazing cross-platform apps. The "best" choice is the one that aligns with your team's skills, your project's needs, and your long-term goals.

My advice? Try them both. Build a small project in Flutter and another in React Native. See which one feels more natural, which one your team enjoys working with more. At the end of the day, the best framework is the one that helps you ship great apps efficiently and joyfully.

Remember, the tool is just that – a tool. What matters most is the craftsperson wielding it. So whichever you choose, focus on writing clean code, creating intuitive UIs, and delivering value to your users. That's what will set your app apart in 2024 and beyond.

[flutterflowdevs]

Flutterflow Agency: Empowering Your Business with Dynamic Web Solutions

A Flutterflow agency specializes in creating dynamic, responsive, and user-friendly web applications using Flutter, a powerful framework for building natively compiled applications for mobile, web, and desktop from a single codebase. These agencies offer a range of services tailored to meet the diverse needs of businesses, entrepreneurs, and organizations looking to establish a strong online presence. Here's a comprehensive guide to understanding Flutterflow agencies, their services, benefits, and considerations:

What is a Flutterflow Agency?

A Flutterflow agency is a team of skilled developers, designers, and experts proficient in using Flutter and Flutterflow to develop cutting-edge web applications. Flutterflow is a visual development tool that complements Flutter, enabling developers to create sophisticated web applications with ease. Flutterflow agencies harness this technology to build scalable, performant, and visually appealing websites and web apps for their clients.

Services Offered by Flutterflow Agencies

Web Application Development: Flutterflow agencies specialize in developing custom web applications that are responsive, intuitive, and feature-rich. They create dynamic user interfaces and seamless user experiences tailored to client specifications.

UI/UX Design: These agencies focus on creating stunning and intuitive user interfaces (UI) and user experiences (UX) that engage visitors and enhance usability. They employ best practices in design to ensure visually appealing and functional websites.

E-commerce Solutions: Flutterflow agencies build robust e-commerce platforms with features such as product catalog management, secure payment gateways, shopping carts, and order processing.

Mobile Responsive Design: With a mobile-first approach, Flutterflow agencies ensure that websites are optimized for viewing and functionality on various devices, including smartphones and tablets.

Integration and APIs: Agencies integrate third-party APIs and services seamlessly into web applications, enhancing functionality and providing features such as social media integration, payment gateways, and more.

Custom Widgets and Components: Leveraging Flutter's rich library of widgets, agencies create custom widgets and components to add unique and interactive elements to websites.

Maintenance and Support: Flutterflow agencies offer ongoing maintenance and support services to ensure that websites remain up-to-date, secure, and optimized for performance.

Benefits of Hiring a Flutterflow Agency

Fast Development: Flutterflow agencies leverage the visual development capabilities of Flutterflow to speed up the development process, resulting in quicker turnaround times for web projects.

Cross-Platform Compatibility: Flutterflow allows for the development of web applications that work seamlessly across multiple platforms, including web, mobile, and desktop.

Scalability: Websites and web apps developed by Flutterflow agencies are highly scalable, capable of handling increased traffic and growing business needs.

Rich User Experience: Flutter's customizable widgets and components enable agencies to create immersive and engaging user experiences, leading to increased user satisfaction and retention.

Cost-Effective: By streamlining the development process and leveraging reusable components, Flutterflow agencies offer cost-effective solutions without compromising quality.

Innovative Design: Flutterflow agencies are known for their innovative design approaches, resulting in visually stunning and modern web applications that stand out from the competition.

Considerations When Choosing a Flutterflow Agency

Portfolio and Experience: Review the agency's portfolio to assess their past projects and experience in developing web applications using Flutterflow.

Client Testimonials: Look for client testimonials and reviews to gauge client satisfaction and the quality of services provided.

Technical Expertise: Ensure that the agency's team has the necessary expertise in Flutter, Flutterflow, UI/UX design, and web development technologies.

Communication: Clear and effective communication is key to a successful project. Choose an agency that maintains open lines of communication and keeps you informed throughout the development process.

Support and Maintenance: Inquire about the agency's post-launch support and maintenance services to ensure ongoing support for your web application.

Cost and Budget: Discuss pricing and budget considerations upfront to ensure alignment with your project requirements and financial constraints.

Top Flutterflow Agencies

The Appineers: The Appineers is a leading Flutterflow agency known for its expertise in creating dynamic and user-centric web applications. They offer a range of services tailored to client needs.

Appit Ventures: Appit Ventures specializes in Flutter and Flutterflow development, delivering high-quality web applications for businesses of all sizes.

Codemagic: Codemagic is a Flutterflow agency that focuses on creating visually stunning and responsive web applications with a strong emphasis on performance and user experience.

Zerone Consulting: Zerone Consulting offers end-to-end Flutterflow development services, from design to deployment, with a focus on innovation and excellence.

Appinventiv: Appinventiv is a Flutterflow agency with a track record of delivering successful web projects for clients worldwide. They emphasize creativity, functionality, and scalability in their work.

Conclusion

A Flutterflow agency offers businesses and organizations the opportunity to create innovative, visually stunning, and high-performing web applications using Flutter and Flutterflow technologies. By leveraging the benefits of Flutterflow, these agencies deliver fast, scalable, and cost-effective solutions that meet the evolving needs of modern businesses. When choosing a Flutterflow agency, consider factors such as portfolio, experience, technical expertise, communication, support

For more info. visit us:

flutterflow app builder

flutterflow ios

flutterflow ios app

flutterflow ai

[apptech]

Flutter for mobile app development is a preferred option due to its versatile cross-platform capabilities, facilitating efficient development for both iOS and Android platforms. Its hot reload feature enables real-time updates, enhancing productivity during the development phase. With an extensive widget catalog, developers can create highly customizable and visually appealing user interfaces. Additionally, Flutter's impressive performance ensures smooth animations and faster rendering. For those seeking a comprehensive solution, Flutter for Mobile App Development offers a compelling choice. To delve deeper into its benefits and functionalities, you can read more at https://www.appventurez.com/blog/flutter-mobile-app-development.

[apptechmobilesolutions]

Elevating User Experiences: Flutter Mobile App Development in Dubai

Dubai, known for its modernity and innovation, has embraced cutting-edge technologies to meet the ever-growing demands of its residents and visitors. In this era of smartphones and mobile apps, Flutter, Google's open-source UI software development toolkit, has emerged as a game-changer for mobile app development. In this informative blog post, we will delve into the world of Flutter mobile app development in Dubai, exploring its significance, advantages, real-world use cases, and why it's the go-to choice for businesses aiming to make their mark in this dynamic city.

The Significance of Flutter Mobile App Development in Dubai

Dubai is a bustling metropolis where businesses compete to offer the best user experiences to both residents and tourists. Flutter, with its capability to create stunning, fast, and cross-platform mobile apps, aligns perfectly with Dubai's ambition to provide cutting-edge digital services. Here's why Flutter is making waves in Dubai:

Cross-Platform Compatibility: Flutter allows developers to build mobile apps that work seamlessly on both iOS and Android devices, reducing development time and costs.

Native Performance: Flutter apps offer native-like performance and are known for their smooth animations and high responsiveness, providing users with top-notch experiences.

Fast Development: Flutter's hot-reload feature enables real-time code changes, speeding up the development process and allowing for quick iterations and updates.

Stunning UIs: Flutter's rich set of pre-designed widgets and customizability make it a top choice for creating visually appealing and intuitive user interfaces.

Cost-Effectiveness: By sharing a single codebase for both platforms, Flutter significantly reduces development and maintenance costs, making it an attractive option for businesses.

Advantages of Flutter Mobile App Development in Dubai

Rapid Development: The ability to develop apps for both iOS and Android simultaneously significantly reduces the time to market.

Native Performance: Flutter compiles native code, delivering performance on par with apps written in native languages like Java or Swift.

Hot Reload: Real-time code changes without the need for a full app restart speed up development and debugging.

Customization: Flutter allows developers to create unique, branded experiences with extensive customizability.

Reduced Maintenance: A single codebase means fewer maintenance challenges and faster updates.

Real-World Use Cases for Flutter Mobile Apps in Dubai

E-commerce Apps: Flutter is ideal for creating feature-rich e-commerce apps that offer a smooth shopping experience, including secure payment options and dynamic product catalogs.

Tourism and Travel Apps: Dubai's tourism industry benefits from Flutter with user-friendly travel and booking apps, interactive maps, and real-time information.

Finance and Banking Apps: Flutter apps are well-suited for banking and finance apps that require high security, fast transactions, and intuitive interfaces.

Hospitality Apps: Hotels and restaurants in Dubai use Flutter for mobile apps that offer reservations, in-room services, and dining options.

Healthcare and Wellness Apps: Healthcare providers use Flutter to develop apps for appointment scheduling, telemedicine, and health tracking.

Why Choose Flutter Mobile App Development in Dubai

Business-Friendly: Flutter's cost-effectiveness and faster development cycles make it an ideal choice for businesses aiming to provide cutting-edge mobile experiences without breaking the bank.

Rich UI/UX: Flutter's widgets and design capabilities allow businesses to create visually stunning and user-friendly apps that resonate with Dubai's modern audience.

Cross-Platform Compatibility: Dubai's diverse user base includes both iOS and Android users. Flutter ensures a consistent experience across devices.

Fast Iteration: In the competitive Dubai market, staying ahead requires quick updates and enhancements. Flutter's hot-reload feature facilitates rapid iterations.

Flutter mobile app development in Dubai is transforming the way businesses engage with their customers, offering cost-effective solutions, stunning user interfaces, and exceptional performance. Whether you're in the tourism industry, finance sector, or any other domain, Flutter empowers you to deliver top-tier mobile experiences that cater to Dubai's modern and tech-savvy audience.

In a city where innovation is a way of life, Flutter is at the forefront of Dubai's digital revolution, helping businesses stay ahead of the competition and meet the ever-evolving demands of this vibrant and dynamic metropolis. As Dubai continues to grow and thrive, so does the role of Flutter in shaping its mobile app landscape, providing users with experiences that are as impressive as the city itself.

[skia-inc]

Step to follow to learn flutter

Prerequisites:

Familiarity with programming fundamentals (especially in object-oriented languages like Java, C++, or JavaScript) will be beneficial.

Basic understanding of Dart programming language since Flutter uses Dart for app development.

Setup and Installation:

Install Flutter SDK and set up the development environment. You can find instructions on the Flutter website: https://flutter.dev/docs/get-started/install

Official Documentation:

Start by going through the official Flutter documentation (https://flutter.dev/docs). It is an excellent resource for understanding the framework's core concepts, widgets, and API reference.

Flutter Widgets:

Learn about Flutter widgets, which are the building blocks of Flutter UI. Understand the difference between stateful and stateless widgets.

Layouts and UI Design:

Explore various layout widgets in Flutter like Container, Row, Column, Stack, etc., to design user interfaces.

State Management:

Understand different state management approaches in Flutter. Learn about setState, Provider, Bloc, MobX, or Riverpod, depending on your preference and project requirements.

Navigation:

Learn how to navigate between screens using Navigator.

Networking:

Study how to make HTTP requests using packages like http or dio.

Local Storage:

Learn how to store data locally using packages like shared_preferences or sqflite.

Flutter Packages:

Explore the vast array of Flutter packages available in the pub.dev repository. Learn how to integrate and use third-party packages in your projects.

Flutter Widgets Catalog:

Study the Flutter widgets catalog to see the variety of UI elements and components that you can utilize in your applications: https://flutter.dev/docs/development/ui/widgets

Flutter Community:

Join the Flutter community, forums, and social media groups to stay updated with the latest trends, best practices, and problem-solving discussions.

Project-Based Learning:

Work on small to medium-sized projects to apply what you've learned. Start with simple apps and gradually progress to more complex projects.

Version Control:

Learn how to use version control systems like Git to manage your code and collaborate with others.

Continuous Learning:

Stay curious and continue exploring new topics related to Flutter, such as advanced UI animations, Firebase integration, testing, and deployment.

Practice and Build Portfolio:

Keep practicing and building real-world projects to add to your portfolio. It will help you showcase your skills to potential employers or clients.

Contributions:

Once you are comfortable with Flutter, consider contributing to the open-source Flutter ecosystem. It's a great way to give back to the community and learn from experienced developers.

[concettolabs]

Why is Flutter called Future for Application Development?

Flutter is a cross-platform, open-source application development SDK platform operated by Google. It helps developers to develop rich and modern feature applications for multiple operating systems. In 2016, Flutter was launched on Github and was new to the market. But the fact is it didn’t fail developers and businesses to impress. Flutter app development company has a power-packed software development kit that comes with highly premier brands.

There is various enterprise application development company that has adopted Flutter in their real life. Also, companies like Alibaba, Google Ads, Reflect, etc., have developed their application over Flutter. Flutter is one of the best future-ready enterprise apps used effectively on multiple platforms like iOS, Android, and Mac. It comes with the most reliable cross-browser platform and works as a solid opponent to defeat its established competitors. Let’s discuss the reason why Flutter is called future-ready for Enterprise Apps?

Reasons for why Flutter is called future-ready for Enterprise Apps?

1. Performance on Cross-Platform

We know that Flutter built their App on C, C++, Dart, and Skia to provide a higher user experience. Additionally, the application developed on Flutter offers an optimal performance where apps are built on other platforms like React Native.

2. Dart Programming Language

For software and application development, Dart is an essential programming language. The Flutter developer has hands-on experience writing code for Java and C# to pick up and start coding using Dart quickly. Moreover, Dart is a language that makes the process easier for app developers by providing them faster and productive rich tooling support.

3. Need to code only once

Well, this feature offers an extra win-win point. Here, the App developed by flutter developers uses Dart as its single language. It eliminates the need to create separate files and folders for iOS and Android. Dart language mainly uses code once and uses it on both platforms. Also, it’s easier for developers to add unique and essential features.

4. Cross-platform development

Flutter enterprise architecture offers a native-like experience that, despite being cross-platform, SDK works on Android and iOS. Using this, developers do not need to work on multiple frameworks to provide rich user experience, features, and functionality.

5. Easy Setup

Flutter is known for its easy setup and building application. Google product is well-known for its excellent support and ease of use. Also, it helps in executing material design concept and have ready-to-use widgets that are used for developers. Moreover, it’s well-summarized with making things easy to understand.

6. Hot Reload

As flutter developers use the Hot reload feature, they can quickly code the output and update the change in real-time. Also, Hot-reload can be used for developers to experiment with adding UI, features, images, and later fixing bugs. Moreover, the application development on Flutter can help to deliver faster than in comparison with the framework.

How a Flutter is a reliable tool for startups?

For any startup, Flutter is a much better tool and comes with a future-proof functionality. Any Flutter enterprise app offers a cost-effective way to stay genuine. Hire flutter developer from us to get a scalable platform that performs equally well with time changing. Let’s understand how Flutter enterprise architecture is reliable for startups.

As the best flutter app development company, we offer a premise to develop cross-platform mobile apps with ease.

Using a cross-platform flutter app, one can grow their businesses by cutting down development costs.

By using multiple platforms and a single code base business sufficient, one can make faster app development.

Flutter developers take less time in testing a single code that works across all platforms with ease. Startups take less time to grow their business and build a relationship without putting in the extra effort.

Flutter framework is compatible where a developer can enhance the app functionality and offer flawless apps that conspicuous by its presence.

Flutter offers an opportunity for developers to provide more tools as per a set of resources.

How is Flutter the best option for mobile app development?

Various Flutter app development companies have got a respectable position among several cross-platform app development companies. Also, the developer convinced that they could deliver apps in a record of minimal time. Few other pointers are listed below:

1. Flutter Widget Catalog

Flutter comes with a rich widget catalog where it imparts application just like native App. It features scrolling, navigation, fonts, icons and enables a high-quality frontend experience.

2. Compatible with multiple OS

If we need an application for both Android and iOS, then we need to have something better than JavaScript. For your needs, we have Flutter that works best on multiple operating systems.

3. Ability to embed new UI in the existing App

It helps businesses to maximize the existing resources with including the App. Along with that, it comes convenience to add a new UI to the existing App.

4. Portable GPU

Flutter is a framework that comes with a mobile GPU and brings dynamic UI working. One can work on multiple interfaces with no additional money investment.

5. Compatible with multiple IDEs

Use Flutter for enterprise application development as it’s compatible with several IDEs like Visual Studio, Android Code, and XCode.

Conclusion Part

With an early start, if you’re looking to stay ahead of the competition and work with the trend, then use the most cost-effective platform, i.e., Flutter. We know Flutter is a cross-platform and use to develop enterprise application development with ease. If you’re planning to create a highly functional app with impressive UI for your business, then hire flutter app developers from us. We have a professional team of developers who never fails to deliver the best application with excellent UI and high performance.

[appdevelopmentcompanyinusa]

What makes Flutter a Best Mobile App Development Platform for 2019?

If you are a Mobile App Developer or belongs to a technical background, you must be aware of cross-platform frameworks such as React Native, PhoneGap, Ionic, Xamarin, Flutter, and many others. If you are not then don’t worry in this blog we will discuss everything about cross-platforms and Flutter.

What is Cross-Platform Mobile Application Development?

Cross-Platform Mobile App Development is a procedure of app development in such a way that app can be run on multiple platforms. In this type of development, the code is written only once and can be supported by Android, iOS or Windows. These days cross-platform mobile application development has become quite popular because of its features and tools which are loved by mobile app developers as the trend of BYOD (Bring Your Own Device) is rising.

Hope now you have got an idea about Cross-Platform Mobile App Development. Now, it’s time to discuss Flutter.

What is Flutter?

Flutter is an open-source cross-platform mobile development framework introduced by Google in February 2018. It uses Dart language for programming and can be used to develop apps for android, iOS, as well as for Google Fuchsia.

Flutter was launched to meet the ever-changing needs of mobile app developers that was missing in the previous cross-platform development tools. It is being used by developers to build something unique that hasn’t been around before. At Google, developers had been working meticulously on this before general use.

The Flutter framework includes two sets of widgets which conform to specific design languages. Material Design widgets for Google’s design and Cupertino widgets for Apple’s design.

  Features of Flutter

Features of Google’s Flutter Application Development are:

Open-source Project

Amazing widgets cataloged for you

iOS and Android have a single Codebase

Dart giving you Java feels

Superb editor integration with Android Studio & Visual Studio Code

Ability to support more Firebase APIs

It fixes bugs

Improved documentation

Support windows development

Enhanced engine performance

Multilingual

Accessibility for all types of developers

Additional features like inline videos, charts, and ads

  Existing Apps which are Using Flutter App Development Services are:

Alibaba 

Alibaba is the world’s largest e-commerce company founded by Jack Ma and Peng Lei on 4 April 1999. The company hosts the largest B2B, C2C, and B2C marketplaces in the world. It has been expanding into the media industry and generating huge revenues year on year.

Tencent

Tencent is a known gaming company founded by Ma Huateng, Zhang Zhidong, Xu Chenye, Chen Yidan, and Zeng Liqing in November 1998. It has a 5th highest global brand value and surpassed the market value of US$500 billion in 2018.

Reflectly

Reflectly is a personal journal build with the help of Flutter App Development Services. It enables users to deal with negative thoughts, and teach them about the science of well-being.

This mindfulness app is driven by Artificial Intelligence.

Hamilton Musical

Hamilton Musical is an official app for fans to access all things about Hamilton like video content, slideshows and more. It is designed by Flutter App Developers and allow users to share fun show-related stickers with friends and family.

Why Flutter is a Best Cross-Platform Mobile Frameworks for 2019?

The interesting thing about this open-source platform is that it allows mobile app developers to create Android and iOS apps with just a single coding process. This feature not only makes it more convenient but also gives better performance. That’s the reason Flutter has become famous among Cross-Platform Mobile App Development Companies.

If you also want to build an app with Flutter, you should know which type of development it supports and does not support.

If you want to develop an Instant or Progressive Web Apps than you should avoid Flutter as it is used for apps larger than native apps, on the other hand, Instant or Progressive Web Apps need to be small. 

If you want to create apps that need uncommon native libraries than you cannot use Flutter as it does not have all the native libraries in its repository so it can complicate the process.

If you want to create an app that can communicate with hardware via Bluetooth then you need to build these features separately for both Android and iOS. However, this might be time-consuming.

  Summing Up

For mobile app development companies that purely rely on user-friendly and effective development kits, Google Flutter is a boon. Engaging interface, flexible APIs, fast development process, there are few features that make Google Flutter a perfect fit for start-ups.

The future of Flutter seems to be bright and Google has been adding lots of new features in its versions. Flutter Mobile App Development has a lot of potential in the industry and if it is capable of filling the gap between quality and productivity then it is definitely going to take over the app development industry.

[awsexchage]

Flutter:Widget一覧 http://bit.ly/2x9PgWP

FlutterにどんなWidgetが用意されているか確認しようと思い、Widget catalogをチラ見してみたけど把握しづらかったので、一つ一つ確認しがてら一覧に整理してみました。

Basics – 最初に知っておくべきウィジェット

Material Components – マテリアルデザインを実現するウィジェット

Layout – レイアウトのためのウィジェット

Styling – アプリのテーマやサイズ、パディングを実現するウィジェット

Scrolling – スクロール可能なウィジェット

Text – テキストウィジェット

Assets, Images, and Icons – 画像やアイコン、アセット管理ウィジェット

Input – ユーザー入力を取得するウィジェット

Painting and effects – 視覚効果を実現するウィジェット

Animation and Motion – アニメーションを実現するウィジェット

Interaction Models – タッチイベントとビューのルーティングウィジェット

Async – 非同期処理に基づいて自身をビルドするウィジェット

Accessibility

Cupertino(iOS-style widgets) – iOSデザインを実現するウィジェット

Basics

最初のFlutterアプリを作成する前に必ず知っておく必要があるウィジェット。

Widget 画像 説明の翻訳 Container

一般的なペイント、配置、およびサイズ変更ウィジェットを組み合わせた便利なウィジェット。 Row 子ウィジェットのリストを水平方向にレイアウトします。 Column 子ウィジェットのリストを垂直方向にレイアウトします。 Image 画像を表示するウィジェット。 Text 単一のスタイルを持つ一連のテキスト。 Icon 材料設計のアイコン。 RaisedButton

材料設計はボタンを上げた。隆起したボタンは、インターフェイスの上に置かれた長方形の材料で構成されています。 Scaffold

基本的なMaterial Designのビジュアルレイアウト構造を実装します。このクラスは、引き出し、スナックバー、およびボトムシートを表示するためのAPIを提供します。 Appbar

材料設計のアプリバー。アプリバーは、ツールバーと、TabBarやFlexibleSpaceBarなどの他のウィジェットから構成されます。 FlutterLogo

ウィジェット形式のFlutterロゴ。このウィジェットはIconThemeを尊重します。 Placeholder 他のウィジェットがいつ追加されるかを表すボックスを描画するウィジェット。

Material Components

マテリアルデザインのガイドラインを実装したビジュアルウィジェット、ビヘイビアウィジェット、そしてモーションリッチウィジェット。

Widget 画像 説明の翻訳 Scaffold

基本的なMaterial Designのビジュアルレイアウト構造を実装します。このクラスは、引き出し、スナックバー、およびボトムシートを表示するためのAPIを提供します。 Appbar

材料設計のアプリバー。アプリバーは、ツールバーと、TabBarやFlexibleSpaceBarなどの他のウィジェットから構成されます。 BottomNavigationBar

下部のナビゲーションバーを使用すると、1回のタップでトップレベルのビューを簡単に検索して切り替えることができます。BottomNavigationBarウィジェットはこのコンポーネントを実装しています。 TabBar

タブの水平方向の行を表示する材料設計ウィジェット。 TabBarView

現在選択されているタブに対応するウィジェットを表示するページビュー。通常TabBarと共に使用されます。 MaterialApp

Material Designを実装するアプリケーションに一般的に必要とされるいくつかのウィジェットをラップする便利なウィジェット。 WidgetsApp アプリケーションに一般的に必要ないくつかのウィジェットをラップする便利なクラス。 Drawer

アプリケーションのナビゲーションリンクを表示するために、足場の端から水平方向にスライドするマテリアルデザインパネル。 SilverAppBar

CustomScrollViewと統合する材料設計アプリバー。 RaisedButton

材料設計はボタンを上げた。隆起したボタンは、インターフェイスの上に置かれた長方形の材料で構成されています。 FloatingActionButton

フローティングアクションボタンは、アプリケーションの主要なアクションを促進するためにコンテンツの上にカーソルを置く円形のアイコンボタンです。フローティングアクションボタンは、caffold.floatingActionButtonフィールドで最も一般的に使用されています。 FlatButton

フラットボタンは、色で塗りつぶすことによってタッチに反応するMaterial Componentsウィジェットに印刷されたセクションです。 IconButton

アイコンボタンは、色（インク）で塗りつぶすことによってタッチに反応するマテリアルウィジェットに印刷された絵です。 DropdownButton 現在選択されている項目と、別の項目を選択するためのメニューを開く矢印を表示します。 PopupMenuButton

アイテムが選択されたためにメニューが消されると、押されたときにメニューを表示し、onSelectedを呼び出します。 ButtonBar ボタンの水平配置 TextField

テキストフィールドをタッチするとカーソルが移動してキーボードが表示されます。TextFieldウィジェットはこのコンポーネントを実装しています。 Checkbox

チェックボックスを使用すると、ユーザーはセットから複数のオプションを選択できます。チェックボックスウィジェットはこのコンポーネントを実装します。 Radio

ラジオボタンを使用すると、ユーザーはセットから1つのオプションを選択できます。ユーザーが利用可能なすべてのオプションを並べて表示する必要があると思う場合は、排他的選択のためにラジオボタンを使用します。 Switch

オン/オフスイッチは、単一設定オプションの状態を切り替えます。Switchウィジェットはこのコンポーネントを実装しています。 Slider

スライダーを使用すると、ユーザーはスライダーのつまみを動かして、さまざまな値から選択できます。 Date & Time Pickers

日付ピッカーはダイアログウィンドウを使用して、モバイル上の単一の日付を選択します。タイムピッカーはダイアログを使用して、モバイル上の単一の時間（時：分形式）を選択します。 SimpleDialog

単純なダイアログでは、リストアイテムに関する追加の詳細やアクションを提供できます。たとえば、サブテキストを明確にするアバターアイコンや、（アカウントの追加などの）直交アクションを表示できます。 AlertDialog

アラートは、状況をユーザーに知らせる確認を必要とする緊急の中断です。AlertDialogウィジェットはこのコンポーネントを実装しています。 BottomSheet

一番下のシートが画面の下部から上にスライドして、より多くのコンテンツが表示されます。showBottomSheet（）を呼び出して永続的なボトムシートを実装するか、showModalBottomSheet（）を呼び出してモーダルボトムシートを実装することができます。 ExpansionPanel

拡張パネルには作成フローが含まれており、要素を簡単に編集できます。ExpansionPanelウィジェットはこのコンポーネントを実装しています。 SnackBar

画面下部に一時的に表示されるオプションのアクションを含む軽量のメッセージ。 Image 画像を表示するウィジェット。 Icon 材料設計のアイコン。 Chip

材料設計チップ チップは、連絡先などの小さなブロックで複雑なエンティティを表します。 Tooltip

ツールチップには、ボタンの機能やその他のユーザーインターフェイスアクションの説明に役立つテキストラベルがあります。ウィジェットが長く押されたとき（またはユーザーが他の適切なアクションを取ったとき）にラベルを表示するには、ツールチップウィジェットのボタンをラップします。 DataTable

データテーブルは生データのセットを表示します。彼らは通常デスクトップエンタープライズ製品に表示されます。DataTableウィジェットはこのコンポーネントを実装しています。 Card

材料設計カード。カードは少し丸みのある角と影を持っています。 LinearProgressIndicator

プログレスバーとも呼ばれる材料設計の線形進捗インジケータ。 CircularProgressIndicator アプリケーションがビジー状態であることを示すために回転する、材料設計の循環進捗インジケータ。 GridView

グリッドリストは、縦と横のレイアウトで配列されたセルの繰り返しパターンで構成されています。GridViewウィジェットはこのコンポーネントを実装しています。 ListTile

高さが固定された単一の行で、通常はテキストと先頭または末尾のアイコンが含まれています。 Stepper

一連のステップを通して進行状況を表示する材料設計ステッパーウィジェット。 Divider

両側にパディングを入れた��1論理ピクセルの太さの水平線。

Layout

他のウィジェットの列、行、グリッド、および他の多くのレイアウトを配置します。

Single-child layout widgets

Widget 画像 説明の翻訳 Container

一般的なペイント、配置、およびサイズ変更ウィジェットを組み合わせた便利なウィジェット。 Padding 与えられたパディングによって子をインセットするウィジェット。 Center 自分自身の中にその子を中心に置くウィジェット Align 子をそれ自身の中に配置し、オプションで、子のサイズに基づいて自分自身のサイズを変更するウィジェット。 FittedBox フィットに従って、子をそれ自身の中に拡大縮小して配置します。 AspectRatio 特定の縦横比に合わせて子のサイズを変更しようとするウィジェットです。 ConstrainedBox その子に追加の制約を課すウィジェット。 Baseline 子のベースラインに従って子を配置するウィジェット。 FractionallySizedBox 利用可能な総スペースの何分の一かにその子をサイズ変更するウィジェット。レイアウトアルゴリズムの詳細については、RenderFractionallySizedOverflowBoxを参照してください。 IntrinsicHeight 子供の大きさを子供の固有の高さに合わせるウィジェット。 IntrinsicWidth 子のサイズを子の本来の幅に合わせるウィジェット。 LimitedBox サイズが制限されていない場合にのみサイズを制限するボックス。 Offstage それが木の中にあるかのように、しかし何もペイントせずに、ヒットテストのために子供を利用可能にしないで、そして親の部屋をとらずに、子供をレイアウトするウィジェット。 OverflowBox 親から取得するよりも子に異なる制約を課すウィジェット。子が親をオーバーフローする可能性があります。 SizedBox 指定されたサイズの箱子が与えられると、このウィジェットはその子に特定の幅や高さを持たせることを強制します（値がこのウィジェットの親によって許可されると仮定して）。幅または高さのいずれかがnullの場合、このウィジェットは、その次元の子供のサイズに合わせて自分自身のサイズを変更します。 SizedOverflowBox 特定のサイズですが、元の制約をその子に渡すウィジェットで、おそらくオーバーフローします。 Transform 子をペイントする前に変換を適用するウィジェット。 CustomSingleChildLayout 独身の子供のレイアウトをデリゲートに任せるウィジェット。

Multi-child layout widgets

Widget 画像 説明の翻訳 Row 子ウィジェットのリストを水平方向にレイアウトします。 Column 子ウィジェットのリストを垂直方向にレイアウトします。 Stack このクラスは、グラデーションとボタンを下に重ねてテキストと画像を重ねるなど、簡単な方法で複数の子を重ねたい場合に便利です。 IndexedStack 子供のリストから一人の子供を見せるStack。 GridView

グリッドリストは、縦と横のレイアウトで配列されたセルの繰り返しパターンで構成されています。GridViewウィジェットはこのコンポーネントを実装しています。 Flow フローレイアウトアルゴリズムを実装するウィジェット。 Table 子にテーブルレイアウトアルゴリズムを使用するウィジェット。 Wrap 複数の水平方向または垂直方向の実行で子を表示するウィジェット。 ListBody 子を指定された軸に沿って順番に配置し、それらを他の軸の親のディメンションに強制するウィジェット。 CustomMultiChildLayout デリゲートを使用して複数の子のサイズと位置を決めるウィジェット。 LayoutBuilder 親ウィジェットのサイズに依存する可能性があるウィジェットツリーを構築します。 ListView スクロール可能な線形ウィジェットのリスト。ListViewは最も一般的に使用されるスクロールウィジェットです。その子をスクロール方向に次々に表示します。横軸では、子はListViewを埋める必要があります。 Expanded Row、Column、またはFlexの子を拡張するウィジェット。

Styling

アプリのテーマを管理したり、アプリを画面サイズに反応させたり、パディングを追加したりします。

Widget 画像 説明の翻訳 Padding 与えられたパディングによって子をインセットするウィジェット。 Theme 子孫ウィジェットにテーマを適用します。テーマは、アプリケーションの色と文字体裁の選択について説明します。 MediaQuery メディアクエリが特定のデータに対して解決するサブツリーを確立します。

Scrolling

親の子として複数のウィジェットをスクロールします。

Widget 画像 説明の翻訳 GridView

グリッドリストは、縦と横のレイアウトで配列されたセルの繰り返しパターンで構成されています。GridViewウィジェットはこのコンポーネントを実装しています。 ListView スクロール可能な線形ウィジェットのリスト。ListViewは最も一般的に使用されるスクロールウィジェットです。その子をスクロール方向に次々に表示します。横軸では、子はListViewを埋める必要があります。 NestedScrollView 内部のスクロールビューは、他のスクロールビューと入れ子にすることができ、そのスクロール位置は本質的にリンクされています。 SingleChildScrollView 単一のウィジェットをスクロールできるボックスです。このウィジェットは、通常は完全に表示されるボックスが1つある場合（タイムピッカーの時計の文字盤など）に便利ですが、コンテナが1軸（スクロール方向）に小さくなりすぎるとスクロールできるようにする必要があります。） Scrollable スクロール可能は、ジェスチャ認識を含むスクロール可能なウィジェットのインタラクションモデルを実装していますが、実際に子を表示するビューポートの作成方法については意見がありません。 Scrollbar 材料設計スクロールバー。スクロールバーは、スクロール可能なウィジェットのどの部分が実際に表示されているかを示します。 CustomScrollView スライバーを使用してカスタムスクロール効果を作成するScrollView。 NotificationListener ツリーを膨らませる通知を待機するウィジェット。 ScrollConfiguration サブツリーでのスクロール可能ウィジェットの動作を制御します。 RefreshIndicator

スクロール可能なマテリアルデザインのpull-to-refreshラッパー。 PageView ページごとに機能するスクロール可能なリスト。

Text

テキストの表示とスタイル

Widget 画像 説明の翻訳 Text 単一のスタイルを持つ一連のテキスト RichText RichTextウィジェットは、複数の異なるスタイルを使用するテキストを表示します。表示するテキストは、TextSpanオブジェクトのツリーを使用して記述されます。各オブジェクトには、そのサブツリーに使用されるスタイルが関連付けられています。レイアウト制約によっては、テキストが複数の行にまたがって表示されたり、すべて同じ行に表示されることがあります。 DefaultTextStyle 明示的なスタイルなしで子孫のTextウィジェットに適用するテキストスタイル。

Assets, Images, and Icons

アセットの管理、画像の表示、およびアイコンの表示

Widget 画像 説明の翻訳 Image 画像を表示するウィジェット。 Icon 材料設計のアイコン。 RawImage dart：ui.Imageを直接表示するウィジェット。 AssetBundle アセットバンドルには、アプリケーションで使用できる画像や文字列などのリソースが含まれています。これらのリソースへのアクセスは非同期であるため、アプリケーションのユーザインターフェースをブロックすることなく、ネットワークを介して（例えば、NetworkAssetBundleから）またはローカルファイルシステムから透過的にロードすることができる。

Input

Material ComponentsおよびCupertinoの入力ウィジェットに加えて、ユーザ入力を取ります。

Widget 画像 説明の翻訳 Form 複数のフォームフィールドウィジェット（例：TextFieldウィジェット）をグループ化するためのオプションのコンテナ。 FormField 単一のフォームフィールドこのウィジェットはフォームフィールドの現在の状態を維持するので、更新および検証エラーはUIに視覚的に反映されます。 RawKeyboardListener ユーザーがキーボードのキーを押したり離したりするたびにコールバックを呼び出すウィジェット。

Painting and effects

これらのウィジェットは、レイアウト、サイズ、位置を変更せずに、視覚効果を子供に適用します。

Widget 画像 説明の翻訳 Transform 子をペイントする前に変換を適用するウィジェット。 Opacity その子を部分的に透明にするウィジェット。 DecoratedBox 子供が描く前または後にデコレーションを描くウィジェット。 FractionalTranslation 子を描画する前に、ボックスのサイズの何分の1として表される翻訳を適用するウィジェット。 RotatedBox 整数のクォーターターンで子を回転させるウィジェット。 ClipOval 楕円形を使用してその子を切り取るウィジェット。 ClipPath パスを使って子を切り取るウィジェット。 ClipRect 四角形を使用して子を切り取るウィジェット。 CustomPaint 描画段階で描画するキャンバスを提供するウィジェット。 BackdropFilter 既存のペイントされたコンテンツにフィルタ��適用してから子をペイントするウィジェット。特にぼかしのようにフィルタが局所的でない場合、この効果は比較的高価です。

Animation and Motion

あなたのアプリにアニメーションを持ってきてください。

Widget 画像 説明の翻訳 AnimatedContainer 一定期間にわたって徐々に値を変更するコンテナ。 AnimatedCrossFade 与えられた2人の子供の間でクロスフェードし、それらのサイズの間で自分自身をアニメ化するウィジェット。 Hero

子供をヒーローアニメーションの候補としてマークするウィジェット。 AnimatedBuilder アニメーションを構築するための汎用ウィジェット。AnimatedBuilderは、より大きなビルド関数の一部としてアニメーションを含めたい、より複雑なウィジェットに役立ちます。AnimatedBuilderを使用するには、ウィジェットを構築してそれにビルダー関数を渡すだけです。 DecoratedBoxTransition そのDecorationのさまざまなプロパティをアニメーション化するDecoratedBoxのアニメーションバージョン。 FadeTransition ウィジェットの不透明度をアニメートします。 PositionedTransition アニメーションの存続期間にわたって、子の位置を開始位置から終了位置に遷移させるために特定のAnimationを使用するPositionedのアニメーションバージョン。 RotationTransition ウィジェットの回転をアニメーション化します。 ScaleTransition 変換されたウィジェットの縮尺をアニメートします。 SizeTransition それ自身のサイズとクリップをアニメートして、そして子供を整列させます。 SlideTransition 通常の位置に対するウィジェットの位置をアニメートします。 AnimatedDefaultTextStyle 指定されたスタイルが変更されるたびに、指定された期間にわたってデフォルトのテキストスタイル（明示的なスタイルなしで子孫のテキストウィジェットに適用されるテキストスタイル）を自動的に移行するDefaultTextStyleのアニメーションバージョン。 AnimatedListState 項目が挿入または削除されたときに項目をアニメーション化するスクロールコンテナの状態。 AnimatedModalBarrier ユーザーが自分の背後にあるウィジェットと対話するのを防ぐウィジェット。 AnimatedOpacity 指定された不透明度が変わるたびに、指定された期間にわたって子供の不透明度を自動的に移行させる、不透明度のアニメーションバージョン。 AnimatedPhysicalModel PhysicalModelのアニメーション版。 AnimatedPositioned 指定された位置が変わるたびに、指定された期間にわたって子の位置を自動的に移行させる、アニメーション版のPositioned。 AnimatedSize 指定された子供のサイズが変わるたびに、指定された期間にわたってサイズを自動的に変更するアニメーションウィジェット AnimatedWidget 指定されたListenableが値を変更したときに再構築するウィジェット。 AnimatedWidgetBaseState 暗黙のアニメーションを持つウィジェットの基本クラス。

Interaction Models

タッチイベントに対応し、ユーザーをさまざまなビューにルーティングします。

Widget 画像 説明の翻訳 Draggable DragTargetにドラッグできるウィジェット。ドラッグ可能なウィジェットがドラッグジェスチャの開始を認識すると、画面上でユーザーの指を追跡するフィードバックウィジェットが表示されます。ユーザーがDragTargetの上にいるときに指を離すと、そのターゲットにはドラッグ可能オブジェクトによって運ばれるデータを受け入れる機会が与えられます。 LongPressDraggable 長押しから子供をドラッグできるようにします。 GestureDetector ジェスチャーを検出するウィジェット。そのnull以外のコールバックに対応するジェスチャを認識しようとします。このウィジェットに子がある場合、そのウィジェットはそのサイズ変更動作を延期します。子供がいない場合は、親に合うように成長します。 DragTarget ドラッグ可能ウィジェットがドロップされたときにデータを受け取るウィジェット。ドラッグ可能オブジェクトがドラッグターゲットの上にドラッグされると、ドラッグターゲットはドラッグ可能オブジェクトが持っているデータを受け入れるかどうかを尋ねられます。ユーザーがドラッグ可能なオブジェクトをドラッグ先の上にドロップした場合（およびドラッグ先がドラッグ可能なデータを受け入れることを示している場合）、ドラッグ先はドラッグ可能なデータを受け入れるように求められます。 Dismissible 指示された方向にドラッグすることによって閉じることができるウィジェット。DismissDirection内でこのウィジェットをドラッグまたは投げ出すと、子はスライドして見えなくなります。スライドのアニメーションに続いて、resizeDurationがnullでない場合、DismissibleウィジェットはresizeDurationの上でその高さ（または幅、いずれかの方向と直交する方向）がゼロにアニメートされます。 IgnorePointer ヒットテスト中は表示されないウィジェット。無視することが真実であるとき、このウィジェット（そしてそのサブツリー）はヒットテストには見えません。それはまだレイアウト中にスペースを消費し、いつものようにその子を描画します。RenderBox.hitTestからfalseが返されるため、見つかったイベントのターゲットにはできません。 AbsorbPointer ヒットテスト中にポインタを吸収するウィジェット。Absorbingがtrueの場合、このウィジェットはヒットテスト自体を終了することによって、そのサブツリーがポインタイベントを受け取らないようにします。それはまだレイアウト中にスペースを消費し、いつものようにその子を描画します。RenderBox.hitTestからtrueが返されるため、子が検索されたイベントのターゲットになるのを防ぐだけです。 Scrollable スクロール可能は、ジェスチャ認識を含むスクロール可能なウィジェットのインタラクションモデルを実装していますが、実際に子を表示するビューポートの作成方法については意見がありません。 Hero

子供をヒーローアニメーションの候補としてマークするウィジェット。 Navigator スタック規律を使用して子ウィジェットのセットを管理するウィジェット。最近の訪問ページを古いページの上に視覚的に重ねてオーバーレイを使用して論理履歴を表示するために、多くのアプリにはウィジェット階層の最上部近くにナビゲーターがあります。このパターンを使用すると、オーバーレイ内でウィジェットを移動させることによって、ナビゲーターがあるページから別のページに視覚的に移行することができます。同様に、ナビゲータを使用して、ダイアログウィジェットを現在のページの上に配置することでダイアログ��表示できます。

Async

Flutterアプリケーションへの非同期パターン

Widget 画像 説明の翻訳 FutureBuilder 未来との相互作用の最新のスナップショットに基づいて自分自身を構築するウィジェット。 StreamBuilder Streamとの対話の最新のスナップショットに基づいて自分自身を構築するウィジェット。

Accessibility

アプリをアクセス可能にします。

Widget 画像 説明の翻訳 Semantics ウィジェットの意味の説明でウィジェットツリーに注釈を付けるウィジェット。アプリケーションの意味を判断するために、ユーザー補助ツール、検索エンジン、およびその他の意味解析ソフトウェアによって使用されます。 MergeSemantics その子孫のセマンティクスをマージするウィジェット。 ExcludeSemantics その子孫のすべてのセマンティクスを削除するウィジェット。これは、そうでなければ報告されているが混乱を招くだけのサブウィジェットを隠すために使用できます。たとえば、Material Components Chipウィジェットはチップラベルと重複するため、アバターを非表示にします。

Cupertino(iOS-style widgets)

現在のiOSデザイン言語用の美しく忠実度の高いウィジェット。

Widget 画像 説明の翻訳 CupertinoActionSheet

多くの中からオプションを選択するためのiOSスタイルのモーダルボトムアクションシート。 CupertinoActivityIndicator

iOSスタイルのアクティビティインジケータ 円形の「スピナー」を表示します。 CupertinoAlertDialog

iOSスタイルの警告ダイアログ。 CupertinoButton

iOSスタイルのボタン CupertinoDatePicker

iOSスタイルの日付または日時ピッカー。 CupertinoDialog

iOSスタイルのダイアログ CupertinoDialogAction

通常CupertinoAlertDialogで使用されるボタン。 CupertinoFullscreenDialogTransition

フルスクリーンダイアログの呼び出しに使用されるiOSスタイルのトランジション。 CupertinoPageScaffold

基本的なiOSスタイルのページレイアウト構造 ナビゲーションバーとコンテンツを背景に配置します。 CupertinoPageTransition

iOSスタイルのページ遷移アニメーションを提供します。 CupertinoPicker

iOSスタイルのピッカーコントロール。短いリストの項目を選択するために使用されます。 CupertinoPopupSurface 警告ダイアログやアクションシートなど、iOSのポップアップサーフェスのように見える角丸長方形のサーフェス。 CupertinoScrollbar

スクロール可能なウィジェットのどの部分が現在表示されているかを示すiOSスタイルのスクロールバー。 CupertinoSegmentedControl

iOSスタイルのセグメント化コントロール 水平方向のリストで相互に排他的なオプションを選択するために使用されます。 CupertinoSlider

値の範囲から選択するために使用されます。 CupertinoSwitch

iOSスタイルのスイッチ 単一設定のオン/オフ状態を切り替えるために使用されます。 CupertinoNavigationBar

iOSスタイルのトップナビゲーションバー。通常、CupertinoPageScaffoldと共に使用されます。 CupertinoTabBar

iOSスタイルの下部タブバー。通常、CupertinoTabScaffoldと共に使用されます。 CupertinoTabScaffold

タブ付きiOSアプリの構造。コンテンツのタブの上にタブバーを配置します。 CupertinoTabView

タブ間の並列ナビゲーションをサポートするタブのルートコンテンツ。通常、CupertinoTabScaffoldと共に使用されます。 CupertinoTextField

iOSスタイルのテキストフィールド。 CupertinoTimePicker

iOSスタイルのカウントダウンタイマーピッカー。

元記事はこちら

「Flutter:Widget一覧」

June 24, 2019 at 02:00PM

[flutterdevs]

Flutter Widget Catalog: An In-Depth Exploration of Flutter Widgets

Flutter, Google's open-source UI toolkit, has gained immense popularity among developers for its cross-platform capabilities and extensive widget library. The widget library is one of the key strengths of Flutter, offering a wide range of ready-to-use components that enable developers to create stunning and interactive user interfaces. In this blog post, we will take a deep dive into the Flutter widget catalog, exploring some of the most commonly used widgets and their functionalities.

What are Flutter Widgets? Flutter widgets are the building blocks of a Flutter application's user interface. They are reusable UI elements that can be combined and customized to create visually appealing and interactive interfaces. Widgets can be classified into two main categories: Stateless and Stateful widgets.

Stateless Widgets: Stateless widgets are immutable and do not change their appearance based on user interactions or external data. They are ideal for representing static UI components. Some commonly used stateless widgets include Text, Image, Icon, and Button.

Stateful Widgets: Stateful widgets, on the other hand, can change their appearance or behavior based on user interactions or external data. They maintain their state and update their UI whenever the state changes. Examples of stateful widgets include Checkbox, Text Field, Slider, and Dropdown Button.

Layout Widgets: Layout widgets in Flutter help in organizing and positioning other widgets within the user interface. They provide a way to structure the UI elements in a specific layout pattern. Some popular layout widgets include Row, Column, Stack, Container, and List View.

Material Design Widgets: Flutter provides a set of widgets that follow the Material Design guidelines, enabling developers to create visually consistent and aesthetically pleasing UIs. These widgets include App Bar, Floating Action Button, Bottom Navigation Bar, Card, and Snack bar.

Cupertino Widgets: Cupertino widgets are designed to mimic the iOS-style interface, providing a native look and feel for iOS applications developed using Flutter. They include widgets like Cupertino Navigation Bar, Cupertino Button, Cupertino Text Field, and Cupertino Date Picker.

Animation and Gesture Widgets: Flutter offers a rich set of animation and gesture widgets that allow developers to create engaging and interactive user experiences. Some notable widgets in this category are Animated Container, Hero, Gesture Detector, and Drag Target.

Custom Widgets: In addition to the built-in widgets, Flutter allows developers to create their own custom widgets tailored to their specific needs. Custom widgets provide flexibility and reusability, allowing developers to encapsulate complex UI components into a single widget.

Testing and Debugging Widgets: Flutter provides a range of widgets specifically designed for testing and debugging purposes. These widgets assist in identifying and resolving UI-related issues during development. Widgets like Semantics, Test Widgets Flutter Binding, and Media Query are commonly used for testing and debugging purposes.

Conclusion: In this blog post, we have explored the Flutter widget catalog, highlighting the different types of widgets available and their functionalities. Flutter's extensive widget library empowers developers to create visually stunning and highly interactive user interfaces for their applications. Whether you are building a simple static UI or a complex custom widget, Flutter offers a wide range of tools and components to meet your needs. By leveraging the power of Flutter widgets, developers can save time and effort while delivering top-notch user experiences.

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Why You Should Choose Flutter for iOS Development?

In the digital era, businesses have to make critical choices in their selection of technologies to build mobile apps. Businesses have to constantly evaluate technologies to offer powerful digital experience on all operating systems and mobile devices. Enterprises that fail to offer products or services that are easy to use, regardless of device or channel, risk falling behind in the technology-driven world.

In some cases, the cross-platform app development can be problematic. Despite a developer’s best efforts, in many cases, the user experience holds behind the actual native application. In the past few years, we have seen the rise of several mobile frameworks such as AngularJS, React Native and Xamarin which help to produce these digital experiences in the easiest way. And recently in December 2018, a new player enters the game and its Google’s Flutter.

Being Google’s product, it comes with some added features. With Google’s various technologies and concepts, this proves to be an improbably powerful mobile framework. Based on Google’s in-house programming language, Flutter can access the Skia graphics library, which is also used by Chrome. Let’s see some reasons why Android and iOS app Development Company should consider Flutter as their development environment:

Overcomes the Limitations of Cross-Platform Approaches: Creating a cross-platform approach has been a hectic task for tech consultants who have to create multiple versions of an identical product. However, in such situations, the user experience leaves behind as we usually end up building the UI using JavaScript which has to be Just in Time compiled. With Flutter, Android and iOS developers get the benefit of a “write once” approach. Being an Ahead-Of-Time complied framework, it facilitates them to create a high-performance experience for end-users. It also dissolves many problems related to cross-platform approaches.  

Improves Developer’s Productivity with Hot Reload: The Flutter’s hot reload feature allows developers to track changes they make in less than a second and change the app structure within ten seconds. You can see the modifications as soon as you save it, which eliminate the need to run another Gradle build. With the elimination of the Gradle rebuild, app development time is reduced by 30% to 40% as the Gradle rebuild takes a long time with every modification being applied.  

Single Code for Frontend and Backend: Unlike in android mobile app development process, where there are two separate files for front and backend, Flutter uses Dart, which does both frontend and backend in one code and uses a reactive framework. Dart comes with many popular languages without losing the familiarity of Java and other similar languages. It was built considering developer in mind and thus it eases a lot of common tasks easier for developers.

Powerful UI: Flutter’s Material design specification facilitates developers to create powerful UI experiences with ease. It helps to generate a crisp, smooth experience which you typically see with native applications. Flutter comes with widgets which implement the Human Interface Design specifications for the iOS operating system, allowing you to experience the native feel on iPad and iPhone as well. Developers can wrap one Widget inside another to get expected results and to make sure users have excellent experience irrespective of the platform they’re using.

Separate Themes for iOS and Android: Flutter facilitates to assign the proper theme for different platforms using a ternary to identify which platform the user using; facilitating UI to make on-time decisions on which UI theme to use.  

Extensive Catalog of Open Source Packages: Flutter has a large set of open source packages which eases a process of Android and iPhone app development and makes it simple to complete complicated tasks. Though it is relatively new in the industry, the library is increasing by bounds and leaps every day.

Works on the Web and Desktop: The Flutter includes a prototype which makes apps work on a web browser. With the help of Flutter widgets and prototypes, developers will be able to use the single code for creating apps for mobile, web and desktop with ease.

By using Flutter, you can create and release an app on multiple platforms. With its latest and unique features, Flutter will be the ultimate choice for businesses with limited budget and time to get their product in the market.

Source URL: https://www.panaceatek.com/why-you-should-choose-flutter-for-ios-development/

[sitepointposts]

Flutter Full Store app with firebase to cover Flutter and Firebase concepts. Payment gateway coming soon

What you’ll learn

Flutter with Firebase Build a Store app from scratch

This Flutter course a complete guide that helps in learning and building a fully functioning Flutter application with Firebase.

Teaching how to write Clean-code and avoid Boilerplate code

This course you how to make new designs and styles for your UI

Clear state management in a very detailed manner

Introduce new widgets and how to use them correctly

Requirements:

Basic knowledge in flutter and Dart

Windows application development

Mac application development

Access to a computer with an internet connection.

and you are ready for the journey

Love learning about applying cutting-edge algorithms to practical cases!

Description

Course prerequisites:

Basic knowledge in programming to get started

Basic knowledge in Flutter

Concepts are explained clearly. You will always learn what you’re building and why, and then how to do it.

How this course can be of help:

Gaining more knowledge in Flutter and firebase

Learn how to make an online shopping application simply

What’s in the course:

Complex UI has done simply

State management

Firebase

Clean-code and avoid Boilerplate code

Styles for UI

State Management: setState, lifting state up via callbacks, global access, scoped access with Provider and ChangeNotifier

Navigation

Dart

Forms, input handling, and validation

Managing and updating packages

Databases and Cloud Firestore

ListViews and multiple UI states

Firebase Authentication

Firebase Firestore

The Firebase Storage

Dart Programming Language – Fundamentals and intermediate topics

How to understand Flutter Mobile Development by building apps incrementally.

How to design, build, debug Flutter Android and iOS Apps

Learn how to get Flutter apps to communicate with a real-time database – Firestore

How to build robust apps with Flutter

Flutter AppBar

Flutter Material Design

The Flutter Row and Column

Flutter ListView Builder

Course structure:

approximately 11 hours of content and updated regally

What Should You Expect After this Course?:

The ability to build a fully functional shopping application with a firebase

new information regarding Flutter

Note that the course builds on windows, so I didn’t have a chance to cover the IOS configurations! But feel free to ask anything about it. I will be there to help.

Download

To download more paid courses for free visit course catalog where you will get 1000+ paid courses available for free. You can access the full course with just a single click. To download the above course visit the link below.

Learn Flutter with Firebase Build a Store app from scratch

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Learning Google Flutter for Mobile Developers What you’ll study Start Writing Native purposes for each iOS and Android Exploration of this framework Best-in-class strategy to constructing cell purposes with flutter Basic understanding what is feasible with Flutter Set Up your system and IDE for flutter Install Xcode and Android Studio Explore the fundamentals of Flutter, similar to widgets, materials elements, and a widgets catalog. Description Flutter permits cell builders to create high-quality software experiences that work nativ https://www.couponudemy.com/blog/learning-google-flutter-for-mobile-developers/