Скачать или смотреть How to Hide ActionBar in Your Android App

Learn how to easily `hide the ActionBar` in your Android application by following a simple step-by-step guide, complete with code snippets and explanations.
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This video is based on the question https://stackoverflow.com/q/66600696/ asked by the user 'David Zomada' ( https://stackoverflow.com/u/9050679/ ) and on the answer https://stackoverflow.com/a/66651667/ provided by the user 'David Zomada' ( https://stackoverflow.com/u/9050679/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Hide ActionBar in Your Android App: A Step-by-Step Guide

If you’re building an Android application and find that the ActionBar is taking up valuable screen space, you might be wondering how to hide it effectively. Many developers stumble upon this issue, especially those new to Android development. Luckily, it’s easier than it seems! In this guide, we’ll break down how to hide the ActionBar in your Android application, ensuring that your users can enjoy a cleaner and more immersive experience.

Understanding the Problem

The ActionBar is a fundamental component of the Android user interface, typically used for navigation and app branding. However, in certain apps, particularly those focusing on media or content consumption, you may want to hide it. This way, users can enjoy a full-screen view without distractions.

The initial steps often involve modifying two key files:

AndroidManifest.xml: This file contains essential information about the app.

styles.xml: This file manages the app’s themes and styles.

The Current Setup: AndroidManifest.xml and styles.xml

AndroidManifest.xml

Here is what your AndroidManifest.xml file might look like before changes:

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

styles.xml

The styles.xml file may look somewhat like this:

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

While you may have settings in place to hide the ActionBar, they might not work if the parent theme still includes it.

The Solution: Updating the Theme

To effectively hide the ActionBar, you need to make a simple but crucial change in your styles.xml. Here’s how to do it:

Step 1: Change the Parent Theme

Navigate to the styles.xml file and modify the parent attribute of your theme from Theme.MaterialComponents.Light.DarkActionBar to Theme.MaterialComponents.Light.NoActionBar. This tells Android that your application should not use an ActionBar at all.

Updated styles.xml

After the change, your styles.xml should look like this:

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

Step 2: Analyze the Changes

No Action Bar: By using NoActionBar as the parent theme, you avoid any elements that pertain to an ActionBar, effectively giving you full control over the app’s interface.

Customization Options: You can still modify colors and styles as needed without the ActionBar conflicting with your designs.

Conclusion

Hiding the ActionBar in your Android app can greatly enhance user experience, allowing for a more immersive interaction with your app’s content. With just a simple change in the styles.xml, you can free your app from the constraints of the ActionBar.

Feel free to experiment with different themes and effects to further customize your app. Happy coding!