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[Android] Update documentation to warn users about R.attr#windowOptOutEdgeToEdgeEnforcement deprecation #165329

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#170816
flutter/website
#12148
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[Android] Update documentation to warn users about R.attr#windowOptOutEdgeToEdgeEnforcement deprecation#165329
#170816
flutter/website
#12148
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jesswrd
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P2Important issues not at the top of the work listengineflutter/engine related. See also e: labels.platform-androidAndroid applications specificallyteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team
@camsim99

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@camsim99
camsim99
opened on Mar 17, 2025

See https://developer.android.com/about/versions/16/behavior-changes-16#edge-to-edge. TLDR: R.attr#windowOptOutEdgeToEdgeEnforcement will be deprecated & disabled when apps start targeting Android 16, so the documentation in

flutter/engine/src/flutter/shell/platform/android/io/flutter/plugin/platform/PlatformPlugin.java

Lines 273 to 276 in 082a761

// If the Flutter Android app targets Android SDK 15 (API 35) or later then the Android
// system will ignore this value unless the app also follows the opt out
// instructions found in
// https://docs.flutter.dev/release/breaking-changes/default-systemuimode-edge-to-edge.
to tell users about the option to opt out and the website it links to is out of date.

We need to update these to warn users about this behavior and to urge them to convert their apps to edge-to-edge.

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P2Important issues not at the top of the work listengineflutter/engine related. See also e: labels.platform-androidAndroid applications specificallyteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

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