What does uniapp mean?
uniapp is a framework that uses Vue.js to develop all front-end applications. Developers write a set of codes that can be published to multiple platforms such as iOS, Android, Web, and various small programs and quick applications.
The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, Dell G3 computer.
Recommended: "uni-app Development Tutorial"
uni-app is a framework that uses Vue.js to develop all front-end applications. Developers write a A set of codes that can be published to iOS, Android, Web (responsive), various mini programs (WeChat/Alipay/Baidu/Toutiao/QQ/DingTalk/Taobao), quick applications and other platforms.
DCloud company has 6 million developer users, hundreds of thousands of application cases, 1.2 billion mobile monthly active users, thousands of uni-app plug-ins, and 70 WeChat/QQ groups. Alibaba mini program tools have official built-in uni-app (see details), and Tencent Classroom officially records training courses for uni-app (see details). Developers can choose with confidence.
With uni-app in hand, you don’t have to worry about anything. Even if it is not cross-terminal, uni-app is a better small program development framework (see details), a better App cross-platform framework, and a more convenient H5 development framework. No matter what kind of project your leader arranges, you can deliver it quickly without changing your development thinking or changing your development habits.
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Steps to launch UniApp project preview in WebStorm: Install UniApp Development Tools plugin Connect to device settings WebSocket launch preview

Generally speaking, uni-app is better when complex native functions are needed; MUI is better when simple or highly customized interfaces are needed. In addition, uni-app has: 1. Vue.js/JavaScript support; 2. Rich native components/API; 3. Good ecosystem. The disadvantages are: 1. Performance issues; 2. Difficulty in customizing the interface. MUI has: 1. Material Design support; 2. High flexibility; 3. Extensive component/theme library. The disadvantages are: 1. CSS dependency; 2. Does not provide native components; 3. Small ecosystem.

UniApp has many conveniences as a cross-platform development framework, but its shortcomings are also obvious: performance is limited by the hybrid development mode, resulting in poor opening speed, page rendering, and interactive response. The ecosystem is imperfect and there are few components and libraries in specific fields, which limits creativity and the realization of complex functions. Compatibility issues on different platforms are prone to style differences and inconsistent API support. The security mechanism of WebView is different from native applications, which may reduce application security. Application releases and updates that support multiple platforms at the same time require multiple compilations and packages, increasing development and maintenance costs.

uniapp development requires the following foundations: front-end technology (HTML, CSS, JavaScript) mobile development knowledge (iOS and Android platforms) Node.js other foundations (version control tools, IDE, mobile development simulator or real machine debugging experience)

When choosing between UniApp and native development, you should consider development cost, performance, user experience, and flexibility. The advantages of UniApp are cross-platform development, rapid iteration, easy learning and built-in plug-ins, while native development is superior in performance, stability, native experience and scalability. Weigh the pros and cons based on specific project needs. UniApp is suitable for beginners, and native development is suitable for complex applications that pursue high performance and seamless experience.

UniApp is based on Vue.js, and Flutter is based on Dart. Both support cross-platform development. UniApp provides rich components and easy development, but its performance is limited by WebView; Flutter uses a native rendering engine, which has excellent performance but is more difficult to develop. UniApp has an active Chinese community, and Flutter has a large and global community. UniApp is suitable for scenarios with rapid development and low performance requirements; Flutter is suitable for complex applications with high customization and high performance.

Recommended component library for uniapp to develop small programs: uni-ui: Officially produced by uni, it provides basic and business components. vant-weapp: Produced by Bytedance, with a simple and beautiful UI design. taro-ui: produced by JD.com and developed based on the Taro framework. fish-design: Produced by Baidu, using Material Design design style. naive-ui: Produced by Youzan, modern UI design, lightweight and easy to customize.
