136 lines
4.7 KiB
Markdown
136 lines
4.7 KiB
Markdown
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---
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title: Add To Homescreen
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localeTitle: 添加到主屏幕
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---
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## 添加到主屏幕
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这里的网络应用安装横幅专注于网络应用，具有添加到主屏幕的功能。
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### 浏览器支持添加到主屏幕
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目前支持添加到主屏幕功能：
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* 铬
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* iOS Safari
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您可以在[此处查看](https://caniuse.com/#feat=web-app-manifest)此功能的浏览器支持的最新状态。
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### 在Android上
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在Android上，如果您满足特定要求，则会自动显示“添加到主屏幕”横幅。这就是Android应该是这样的：
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|添加到主屏幕提示|当应用程序启动时| | ：----------------------：| ：---------------：| |  |  |
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#### 要求
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* 包含一个`manifest.json`文件，其中包含以下属性：
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* `short name`
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* `name`
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* `192x192`大小的`png`图标
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* `start_url`
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* 包括已注册和激活的服务工作者
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* 通过HTTPS提供的网站（您仍然可以在没有HTTPS的情况下使用localhost尝试此操作）
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* 该网站符合Chrome定义的参与启发式
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#### 的manifest.json
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```json
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{
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"name": "FreeCodeCamp",
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"short_name": "FreeCodeCamp",
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"theme_color": "#00FF00",
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"background_color": "#00FF00",
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"display": "standalone",
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"Scope": "/",
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"start_url": "/",
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"icons": [
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{
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"src": "assets/images/icons/icon-72x72.png",
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"sizes": "72x72",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-96x96.png",
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"sizes": "96x96",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-128x128.png",
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"sizes": "128x128",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-144x144.png",
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"sizes": "144x144",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-152x152.png",
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"sizes": "152x152",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-192x192.png",
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"sizes": "192x192",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-384x384.png",
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"sizes": "384x384",
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"type": "image/png"
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},
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{
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"src": "assets/images/icons/icon-512x512.png",
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"sizes": "512x512",
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"type": "image/png"
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}
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],
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"splash_pages": null
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}
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```
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* `name`是Web应用程序的名称。 （它将在启动屏幕中显示）
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* `short name`是Web应用程序的简称。 （它将显示在手机菜单图标下方）
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* `theme_color`是浏览器顶部的颜色。
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* `background_color`是启动屏幕的背景颜色。
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* `display`是Web应用程序在手机上启动后应显示的方式。
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* `start_url`定义网站的起始网址。
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* `icons`是一个存储所有图像位置，大小和类型的数组。
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### 在其他设备上
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虽然此方法在iOS和Windows上不起作用，但有一种回退方法。
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**iOS版**
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在iOS上，必须手动添加“添加到主屏幕”按钮。将以下元标记添加到HTML的head部分以支持iOS Web应用程序图标。
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```html
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="green">
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<meta name="apple-mobile-web-app-title" content="FreeCodeCamp">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-72x72.png" sizes="72x72">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-96x96.png" sizes="96x96">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-128x128.png" sizes="128x128">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-144x144.png" sizes="144x144">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-152x152.png" sizes="152x152">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-192x192.png" sizes="192x192">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-384x384.png" sizes="384x384">
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<link rel="apple-touch-icon" href="/assets/images/icons/icon-512x512.png" sizes="512x512">
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```
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**视窗**
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在Windows手机上，将以下元标记添加到HTML的head部分：
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```html
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<meta name="msapplication-TileImage" content="/assets/images/icons/icon-144x144.png">
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<meta name="msapplication-TileColor" content="green">
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```
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### 参考
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1. [superoo7，“渐进式Web应用程序的高级视图”发布日期：2017年12月18日。](https://steemit.com/web/@superoo7/a-high-level-view-of-progressive-web-app)
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2. [Matt Gaunt和Paul Kinlan，“Web App安装横幅”发布时间：2017年11月14日。](https://developers.google.com/web/fundamentals/app-install-banners/)
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