alexskobozev c18530cbaa
Fix deprecated configureStatusBarForFullscreenFlutterExperience for Android 15+ (#175501)
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This PR addresses [issue #175507] by fixing
FlutterActivity.configureStatusBarForFullscreenFlutterExperience() which
no longer works on Android 15 (API 35) because setStatusBarColor is
deprecated and ignored.

## Changes 

- Wrapped window.setStatusBarColor in a version check (if
(Build.VERSION.SDK_INT < 35)).
- Removed the @Deprecated annotation from
configureStatusBarForFullscreenFlutterExperience, since it still works
fine on API <35 and gives a consistent experience with iOS.

## Why

- On API 35+, the call is ignored and the status bar is fully
transparent.
- This is visually acceptable (fullscreen experience looks good), and
matches iOS behavior.

## Screenshots

### API 27
<img width="540" height="960" alt="api27_legacy"
src="https://github.com/user-attachments/assets/f19515e4-5a2d-46fd-af66-93d401f7e2ee"
/>

### API 35
<img width="720" height="1544" alt="api35_legacy"
src="https://github.com/user-attachments/assets/dd946ee4-1945-4209-86cc-a566c474681e"
/>

### iOS

<img width="603" height="1311" alt="ios"
src="https://github.com/user-attachments/assets/9d1cb68d-2abd-4844-a949-1ef33c134792"
/>

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2025-10-06 17:54:11 +00:00
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