Instantiate and Present a viewController in Swift

Matheus Mello
Matheus Mello
September 2, 2023
Cover Image for Instantiate and Present a viewController in Swift

Instantiating and Presenting a viewController in Swift 🚀

So, you're diving into the world of Swift and encountered a little bump when it comes to instantiating and presenting a viewController from a specific UIStoryboard. Fear not! I'm here to guide you through this process with simple and easy solutions. 🎉

The Issue

Let's start by understanding the problem you faced. In Objective-C, you would typically do the following to instantiate and present a viewController:

UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"StoryboardName" bundle:nil];
UIViewController *viewController = [storyboard instantiateViewControllerWithIdentifier:@"ViewControllerID"];
[self presentViewController:viewController animated:YES completion:nil];

However, when you transition to Swift, the syntax and approach differ slightly. That's where I come in to help! 😎

The Solution

To achieve the same result in Swift, follow the steps outlined below:

  1. Obtain a reference to the desired UIStoryboard:

    let storyboard = UIStoryboard(name: "StoryboardName", bundle: nil)

    Make sure to replace "StoryboardName" with the actual name of your storyboard file.

  2. Instantiate the desired viewController using its identifier:

    let viewController = storyboard.instantiateViewController(withIdentifier: "ViewControllerID")

    Replace "ViewControllerID" with the identifier you assigned to your viewController in the storyboard.

  3. Present the viewController on the screen:

    self.present(viewController, animated: true, completion: nil)

And voilà! You have successfully instantiated and presented a viewController in Swift. 🎉

Example

Here's a complete example to illustrate the process:

let storyboard = UIStoryboard(name: "StoryboardName", bundle: nil)
let viewController = storyboard.instantiateViewController(withIdentifier: "ViewControllerID")
self.present(viewController, animated: true, completion: nil)

Remember to replace "StoryboardName" with the actual name of your storyboard file and "ViewControllerID" with the identifier of your desired viewController.

Conclusion and Call-to-Action

Congratulations! You have learned how to instantiate and present a viewController from a specific UIStoryboard in Swift. 🎉

Now, go ahead and try implementing this solution in your project. If you encounter any difficulties or have further questions, feel free to leave a comment below. Let's engage in a conversation and find the best possible solution together! 💬

Happy coding! ✨🚀

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