Android 15 reportedly has a secret API that changes how apps are displayed

The Android 15 logo from the Android developer website, displayed on a Pixel 8 Pro
(Image credit: Tom's Guide)

App developers may not be locked to edge-to-edge displays on Android phones due to a hidden opt-out in Android 15

Android doesn't force apps to take up the full screen but offers it as an option. This allows developers to draw content underneath the status and navigation bar. However, certain apps have had UI complications and avoid using the setting. Google aimed to resolve this by using inserts, which specify which parts of the app's screen interact with the system UI.

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Galaxy Z Fold 6 shown in hand

(Image credit: Tom's Guide)

This API has to do with an attribute called windowOptOutEdgeToEdgeEnforcement. This attribute is currently set to false by default, which means that apps will have the edge-to-edge design enforced. However, the app can set the attribute to true, allowing them to ignore the rule. It should be noted that this workaround has a time limit, as it states, “this attribute will be deprecated and disabled in a future SDK level,” meaning it has likely been included to give developers more time to adapt their apps to function with an edge-to-edge display. 

While edge-to-edge displays are impressive, it isn’t the only thing coming with Android 15. While Android 15 might have as many big features as iOS 18, it has a wealth of quality-of-life improvements. The most recent beta’s main change is removing legacy PNG-centric emojis in favor of vector graphics. The final release will also include new accessibility features like adaptive vibration along with new connectivity and security features. 

Giving developers an opt-out to allow more time to prepare is not unreasonable, and hopefully, most apps can implement edge-to-edge displays without too much issue. If they can the next generation of foldables, the Samsung Galaxy Z Fold 6 and the upcoming Google Pixel 9 Pro Fold, could take high places on our best foldable list.

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Josh Render

Josh was a staff writer for Tom's Guide is based in the UK. He has worked for several publications but now works primarily on mobile phones. Outside of phones, he has a passion for video games, novels, and Warhammer.