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How do I use Objective-C in Swift?

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How do I use Objective-C in Swift?

Using Objective-C Classes in Swift

  1. Step 1: Add Objective-C Implementation — . m.
  2. Step 2: Add Bridging Header.
  3. Step 3: Add Objective-C Header — .
  4. Step 4: Build your Objective-C Class.
  5. Step 5: Add Class to Bridging-Header.
  6. Step 6: Use your Object.

How do you pass code between Objective-C and Swift?

Create a Swift class for your corresponding Objective-C . m and . h files by choosing File > New > File > (iOS, watchOS, tvOS, or macOS) > Source > Swift File….After You Finish

  1. Update import statements in your Objective-C code (to #import “ProductModuleName-Swift.
  2. Remove the original Objective-C .

Is Objective-C same as Swift?

In 2014, Apple launched Swift, a new programming language for iOS mobile apps that’s given iOS developers an alternative to Objective-C, an object-oriented superset of the C programming language that’s been the core of iOS development thus far.

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What is Objective-C code?

The Objective-C language specifies a syntax for defining classes and methods, for calling methods of objects, and for dynamically extending classes and creating programming interfaces adapted to address specific problems. As a superset of the C programming language, Objective-C supports the same basic syntax as C.

What is a class in Objective-C?

In Objective-C, a class is itself an object with an opaque type called Class . Classes can’t have properties defined using the declaration syntax shown earlier for instances, but they can receive messages.

How do you subclass a Swift class in Objective-C?

Unfortunately, it’s not possible to subclass a Swift class in Objective-C. Straight from the docs: You cannot subclass a Swift class in Objective-C.

Does Xcode use Swift or Objective-C?

Language Support The Xcode IDE supports the Swift programming language and gives developers the flexibility to write code in C, C++, Objective-C, Objective-C++, Java, Applescript, Python, and Ruby.