UniApp implements quick application development and online process analysis

UniApp realizes the analysis of the development and online process of quick application

Quick application is an application mode that is based on the mobile phone hardware platform and can be run without installation. It has the advantages of fast loading speed, low resource usage, and good user experience, and has become a new trend in mobile application development. In UniApp, we can easily develop and publish quick applications. This article will introduce in detail the development and launch process of UniApp to implement quick applications, and provide relevant code examples.

1. Create UniApp project

First, we need to create a UniApp project. Open a code editor such as HBuilderX or VS Code, choose to create a UniApp project, fill in the project name and related configuration information, and click Create.

2. Develop quick application page

In the created UniApp project, we can see that some initial files have been generated, such as main.js, App.vue and manifest.json etc. We need to create a quick app page in the pages directory. Each page consists of three files: vue file, js file and json file.

Taking the hello page as an example, we create the hello folder in the pages directory, and create hello.vue, hello.js and hello.json files in the folder. hello.vue is the style and structure of the page, hello.js is the logical code of the page, and hello.json is the configuration information of the page, such as page title, navigation bar style, etc.

The following is a code example for hello.vue:

<template>
  <view>
    <text class="title">Hello, UniApp!</text>
  </view>
</template>

<style>
  .title {
    font-size: 40px;
    color: #333;
    text-align: center;
  }
</style>

The following is a code example for hello.js:

export default {
  data() {
    return {};
  },
};

The following is a code example for hello.json:

{
  "navigationBarTitleText": "Hello",
  "enablePullDownRefresh": false
}

3. Configure quick application related information

In the manifest.json file in the project root directory, we need to configure quick application related information. For example, we can set the application’s icon, startup page, permissions, etc. The following is an example of manifest.json:

{
  "name": "My App",
  "package": "com.example.myapp",
  "versionName": "1.0.0",
  "versionCode": "1",
  "minPlatformVersion": "1030",
  "icon": "/static/logo.png",
  "features": [
    { "name": "system.prompt" }
  ],
  "main": "/pages/index/index.html",
  "pages": [
    {
      "path": "pages/index/index.html",
      "style": {
        "navigationBarTitleText": "首页"
      }
    },
    {
      "path": "pages/hello/hello.html",
      "style": {
        "navigationBarTitleText": "Hello"
      }
    }
  ]
}

4. Building a quick application

After the development is completed, we need to build the UniApp project into a quick application. In the menu bar of the code editor, select Build-Quick App, and then follow the prompts to select the corresponding packaging option.

5. Debugging and testing the quick app

After the build is completed, we can debug and test in the quick app debugger. Open the quick app debugger, click Import Project, select the quick app file generated by building, and import the project into the debugger. Then, click Run to view and test the quick app on the simulator or real device.

6. Quick App Release Online

After debugging and testing, we can launch the Quick App online. First, we need to register a developer account on the Kuai App official website and upload a developer certificate. Then, package the quick application file generated by the build into an installation package in .apk format, and upload it to the quick application open platform. Finally, fill in the application-related information and submit it for review. Once the review is passed, the quick app can be released online.

To sum up, UniApp provides us with great convenience in developing and publishing quick applications. This article introduces the UniApp quick application development and launch process, and provides relevant code examples. Through learning and practice, we can quickly get started with UniApp development, develop excellent quick applications, improve user experience, and achieve business value. I hope this article will be helpful to you in realizing the development and launch process of quick applications in UniApp.

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