SwiftUI Academy · 课时

应用图标、启动屏幕与资源

准备所需的应用元数据和视觉资源。

应用图标、启动屏幕与资源 是 CoddyKit 上的免费 SwiftUI Academy 课时。这是第 1 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 SwiftUI Academy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 SwiftUI Academy 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

First Impressions

Before you ship, your app needs polished visuals. The app icon is the very first thing users see on the Home Screen. 🎨

The Asset Catalog

All your images live in the Assets.xcassets catalog. Xcode bundles them and picks the right resolution for each device automatically.

The AppIcon Set

Open the AppIcon entry in your asset catalog. This is the dedicated slot where Xcode expects your app icon artwork.

A Single Source Icon

Modern Xcode accepts one 1024x1024 PNG and generates every smaller size for you, so you no longer hand-make dozens of icons.

Icon Design Rules

Keep the icon simple and avoid transparency or text. iOS rounds the corners for you, so design on a full square canvas.

The Launch Screen

The launch screen shows for a split second while your app loads. It should look like your first real screen, not a splash ad.

Setting It Up

Configure the launch screen in your target settings or a simple storyboard. Keep it static, since it cannot run any of your code.

Accent Color

Set an accent color in the asset catalog to tint buttons and controls across your app with one consistent brand color.

Image Sets

Add other artwork as image sets. Provide 1x, 2x, and 3x versions, and iOS loads the crisp one for each screen.

Naming Assets

Reference any catalog image by its name in code, so swapping artwork later never touches your views.

Image("logo")

Dark Mode Variants

An image set can hold a separate dark appearance, so iOS shows the right artwork when the user switches the system theme.

Quick Check

You have prepped your visuals. One quick question about icons.

Recap

You prepared your app visuals: a single high-res app icon, a clean launch screen, an accent color, and named image sets in the asset catalog. ✨

常见问题解答

「应用图标、启动屏幕与资源」课时是免费的吗？

是的 — 「应用图标、启动屏幕与资源」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 SwiftUI Academy 课程的其余内容，请升级到 CoddyKit PRO。 SwiftUI Academy 课程共包含 4 节课。

「应用图标、启动屏幕与资源」这节课中我会学到什么？

准备所需的应用元数据和视觉资源。你通过在浏览器中直接运行的动手代码来练习 SwiftUI Academy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 SwiftUI Academy 需要有经验吗？

无需任何先前经验。CoddyKit 上的 SwiftUI Academy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 1 节课，共 4 节。

「应用图标、启动屏幕与资源」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 SwiftUI Academy 课中编写并运行代码吗？

能。每节 SwiftUI Academy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

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