How to get the screen width and height in iOS?

Matheus Mello
Matheus Mello
September 2, 2023
Cover Image for How to get the screen width and height in iOS?

📱 How to Get the Screen Width and Height in iOS? 📏

So, you want to know how to get the dimensions of the screen in iOS? 🤔 Don't worry, I've got you covered! 🙌 Whether you're a newbie or a seasoned developer, this guide will help you tackle this common issue in no time. Let's dive in! 🚀

The Current Approach

Before we explore better solutions, let's understand the current approach that is commonly used. You might be using this code snippet in your viewWillAppear: and willAnimateRotationToInterfaceOrientation:duration: methods:

lCurrentWidth = self.view.frame.size.width;
lCurrentHeight = self.view.frame.size.height;

This approach works fine in most cases. It fetches the width and height of the screen and assigns those values to the respective variables. Simple and straightforward, right? 😄

However, there's a catch. It may not always give you the desired results in all scenarios. Let's say you want to get the screen size minus the navigation bar. This approach won't give you that accurately. 😞

A Better Solution 💡

Fear not, my friend! I've got a better solution for you. With a few lines of code, you can get the screen size along with the navigation bar (if present) accurately. Here's how you do it:

if let window = UIApplication.shared.windows.first {
    let screen = window.bounds
    let screenSize = screen.size
    let screenWidth = screenSize.width
    let screenHeight = screenSize.height
    
    // Voila! You've got the accurate screen dimensions!
}

By accessing the windows property of the shared UIApplication instance, you can get the current window. By using the bounds property of the window, you get the screen size, independent of the navigation bar. Finally, you can fetch the width and height from the size returned. Easy-peasy! 🎉

Engage and Share Your Thoughts! 💬

There you have it! Getting the screen width and height in iOS is now a piece of cake. But wait! Before you rush off to implement this code, I'd love to hear from you. 🗣️

Have you faced any challenges when trying to obtain the screen dimensions? Do you have any additional tips or alternative approaches to share? Let's discuss in the comments below! Your engagement and insights will be greatly appreciated. 🙏

Remember, sharing is caring! If you found this guide helpful, don't hesitate to share it with your fellow iOS developers. They'll thank you for it! 🙌

Happy coding! 😊✨

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