January 2023
Intermediate to advanced
288 pages
6h 6m
Chinese
Content preview from 移动端AI与ML应用开发：基于iOS和Android
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48
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第
3
章
然后使用终端，转到项目文件夹（它应该包含
.xcproject
文件）并键入
pod install
。
如果它正确执行，你应该会看到类似图 3-12 的内容。
图
3-12
：运行
pod install
在撰写本书时，基于 M1 的 Mac 相对较少。一些测试人员遇到了
pod install
的问题，并且给出了
ffi_c.bundle
的错误。要解决这些问题，请确保你使用的
是最新安装的 CocoaPods，或使用文档（
https://oreil.ly/BqxCx
）。
这将下载依赖库并将它们安装在名为
firstFace.xcworkspace
的新工作区中。使用它来加
载你的工作。现在，你可以在终端内输入
open firstFace.xcworkspace
。
3.2.3
第
3
步：创建用户界面
我们要构建最简单的应用程序，但它仍然需要一些 UI 元素。为了尽可能保持简单，这
些是一个 ImageView 和一个 Button（按 钮）。因此，在 Xcode 打开的情况下（到 3.2.2
节所示的
.xcworkspace
文件），在项目中找到
Main.storyboard
文件，然后使用 View →
Show Library 打开工具库。
你将看到一个 UI 元素列表，如图 3-13 所示。
使用这个，并在编辑器的
Main.storyboard
活动中将 ImageView 和 Button 拖到故事板的
设计图上。完成后，你的 IDE 应该会如图 3-14 所示。
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.