How to create and build a swift package

Question

I am trying to create a new swift package i did the following commands on console

1. swift package init
2. swift package generate-xcodeproj

This works and generates an empty project. Inside the project sample file i added just one line

Import UIKit

In Xcode, this builds correctly. But on console, when I do swift build command, I get this error

/Users/home/Desktop/TT/Sources/TT/TT.swift:1:8: error: no such module 'UIKit'
import UIKit

Is there any thing I am doing wrong?

Answer 1

You should select an iOS based target to make it available:

_{If you leave it selecting macOS (by default), you will get the error.}

---

Specific platform

if you want your package to be available only for specific platforms (for example only for iOS), you should specify the platform in the package.swift file:

let package = Package(
    name: "MyLibrary",
    platforms: [
        .iOS(.v9)
    ],
    products: [
,,,

---

Multiplatform

If you need your framework to be available on multiple platforms, don't forget to check the availability of the imported framework like:

#if canImport(UIKit)

import UIKit

// And do the rest of UIKit dependent code

#endif