How to get screen dimensions as pixels in Android

Matheus Mello
Matheus Mello
September 2, 2023
Cover Image for How to get screen dimensions as pixels in Android

📱✨ How to Get Screen Dimensions as Pixels in Android ✨📱

Are you struggling to programmatically place custom elements on your Android app? Do you need to determine the screen width and height in pixels? 🤔

No worries! We've got you covered with a super easy solution. Let's dive right in! 💪

The Problem: 👾 So, you've created those awesome custom elements and now you want to position them in the upper right corner of the screen, where 'n' pixels are from the top edge and 'm' pixels are from the right edge. But how do you get the screen width and height? 🤷‍♀️

The Solution: 💡 To get the screen dimensions as pixels, you can use the WindowManager class in Android. Here's an example of how you can retrieve the screen dimensions in your main Activity:

// Get the window manager
WindowManager windowManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);

// Get the display metrics
DisplayMetrics displayMetrics = new DisplayMetrics();
windowManager.getDefaultDisplay().getMetrics(displayMetrics);

// Retrieve the screen dimensions as pixels
int screenWidth = displayMetrics.widthPixels;
int screenHeight = displayMetrics.heightPixels;

By using WindowManager along with DisplayMetrics, you can easily obtain the screen width and height in pixels. 📏

Example Usage: 🌟 Let's say you want to position your custom element 'n' pixels from the top edge and 'm' pixels from the right edge. You can then calculate the position as follows:

int px = screenWidth - m;
int py = screenHeight - n;

Once you have the screen dimensions, you can effortlessly position your custom elements exactly where you want them! 🎉

Call-to-Action: 💥 So, there you have it! Now you know how to get screen dimensions as pixels in Android. Go ahead and give it a try in your own app. If you found this guide helpful, don't forget to share it with your fellow Android developers! 🚀

If you have any questions or need further assistance, drop a comment below. We'd love to help you out! 😊

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