# App optimization guide for next-gen Samsung Galaxy devices

Developer tips to adapt apps for new foldable and wearable form factors.

- **Source:** [Android Developers Blog](https://brifing.si/source/ff016576-5a92-405e-aa5a-2a07e0fb093f)
- **Published:** 2026-07-22
- **Topic:** [Software & Engineering](https://brifing.si/c/engineering)
- **Original article:** <http://android-developers.googleblog.com/2026/07/optimize-galaxy-screen-sizes.html>
- **On Brifing:** https://brifing.si/s/67273d5c-2605-4ad2-aa8f-d35bf4fb2f7e

## The foldable screen revolution

Devices like Samsung's new Galaxy Z Fold8 require developers to support diverse screen sizes and orientations. Ultra-wide aspect ratios and landscape-first designs mandate flexible app architecture. Users expect seamless transitions during folding actions without experience degradation.

## Adaptive interface design

Jetpack Compose's latest Grid API and FlexBox layout tools simplify managing complex screen structures. Window Size Classes should calculate actual usable space. Media queries can detect environmental signals like device posture and keyboard availability for responsive UIs.

## Fold-aware layouts

The Jetpack WindowManager library detects folding features to prevent important content from being obscured. Hinge areas can serve as natural dividers. Preserving UI state with ViewModel ensures continuous experience when folding/unfolding the device.

## Camera compatibility

Transitioning between cover and main displays on foldables may disrupt fixed portrait camera assumptions. CameraX's PreviewView automatically handles sensor orientation to prevent skewed previews. Existing Camera2 implementations can integrate CameraViewfinder for automatic transformations.

## Wear OS 7 innovations

New Wear Widgets provide instant information access on users' wrists. Widgets built with Jetpack Glance and RemoteCompose can now populate multi-widget tiles previously reserved for first-party apps. This opens new real estate for developer content.

## AI integration

Gemini Nano 4's 140+ language support and multimodal understanding enable new on-device intelligent features. ML Kit's Prompt API with structured output and thinking mode allows developers to build contextual experiences that adapt to user needs in real-time.

## Sources covering this story

- http://android-developers.googleblog.com/2026/07/optimize-galaxy-screen-sizes.html — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._