Скачать или смотреть How to Extend Color Background in Android Studio for Full-Screen Apps

Learn how to fix the background display issue in your Android Studio app and achieve a full-screen color background. Follow these simple steps to ensure your app looks great on all devices!
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This video is based on the question https://stackoverflow.com/q/63534327/ asked by the user 'Elvis' ( https://stackoverflow.com/u/13976571/ ) and on the answer https://stackoverflow.com/a/63534350/ provided by the user 'KKKKK' ( https://stackoverflow.com/u/9721589/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the Background Display Issue in Android Studio

Building an app using Android Studio can be a rewarding experience, but you may encounter some unexpected challenges along the way. One common issue developers face is the limitation of color backgrounds in their apps, especially when using larger displays. If you've noticed a lower white or dark band appearing at the bottom of your app, you're not alone. In this post, we'll explore how to resolve this issue and extend your background to fill the entire display.

The Problem

When you set a background color with the following line in your XML layout:

[[See Video to Reveal this Text or Code Snippet]]

You may find that on certain devices, particularly those with larger screens, a portion of your app may still appear with a default white or dark color at the bottom. This happens when the layout dimensions are not set correctly. Fortunately, this issue is easily fixable!

The Solution

To ensure that your background color fills the entire display area of the device, you need to adjust the layout_width and layout_height attributes in your layout file. Here’s how you can do it step by step:

Step 1: Open Your XML Layout

Locate the XML file where your layout is defined. This file usually ends with .xml and can be found in the res/layout directory of your Android Studio project.

Step 2: Modify the Layout Properties

You need to change the attributes of your LinearLayout (or any layout you're using) to match_parent instead of wrap_content. This will ensure that the layout covers the full screen. Here’s the updated code:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Test Your App

After making the changes, run your app in the emulator or on a physical device. You should now see that the background color extends to fill the entire screen, eliminating any unwanted bands at the bottom.

Conclusion

By simply changing your layout dimensions to match_parent, you can easily extend the background color of your Android app to cover the full screen. This not only makes your app look cleaner and more polished but also enhances the overall user experience. Give it a try, and watch your app transform into a beautiful, full-screen application!

If you have any further questions or run into other issues while developing your app, feel free to reach out or leave a comment below. Happy coding!