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简体中文 | English

uni-app is a framework for developing all front-end applications using Vue.js. Write once, publish to iOS, Android, HarmonyOS, Web (responsive), and various mini-programs (WeChat / Alipay / Baidu / Douyin / Feishu / QQ / Kuaishou / DingTalk / Taobao / JD / Xiaohongshu), Quick Apps, HarmonyOS Atomic Services, and more.

DCloud serves tens of millions of developers, millions of apps, billions of monthly active end-users, and tens of thousands of uni-app plugins. You can choose with confidence.

uni-app comes in two editions: uni-app and uni-app x.

  • uni-app: Based on front-end technology stack. The App engine uses the same architecture as mini-programs — logic layer runs on JS, rendering layer uses WebView.
  • uni-app x: The next-generation uni-app, built on the UTS language and the uvue native rendering engine.

UTS is a cross-platform language similar to TypeScript.

UTS compiles to Kotlin on Android, Swift on iOS, ArkTS on HarmonyOS NEXT, and JavaScript on Web and mini-program platforms.

With uni-app, you can handle anything. Even for single-platform development, uni-app is a better mini-program framework (learn more), a better cross-platform App framework, and a more convenient Web development framework. No matter what project your team assigns, you can deliver quickly — without switching development mindsets or changing development habits.

Quick Preview

hello uni-app x demo

Note:
- Some platforms do not allow simple demos, so additional features have been included; hello uni-app (x) sample code is available on GitHub
- Quick App is only supported on vivo, OPPO, and Huawei

Repository Overview

This is the uni-app x branch — the open-source repository for the uni-app x edition.

The uni-app edition (Vue 2 and Vue 3) is maintained on the uni-app-vue2 and uni-app-vue3 branches respectively.

Directory structure of the uni-app x branch:

  • benchmark — performance benchmark reports
  • docs — documentation
  • examples — example projects
  • src — source code
  • test — test cases
  • CHANGELOG.md — release changelog

Write Once, Run Everywhere

uni-app lets a single codebase run on multiple platforms simultaneously. As shown below, one codebase runs concurrently on an iOS simulator, Android simulator, Web, WeChat DevTools, Alipay Mini-Program Studio, Baidu DevTools, Douyin DevTools, and QQ DevTools (each tab at the bottom represents one platform simulator):

Actual runtime result (click to enlarge):

#{.zooming}