第 1 級 — 大螢幕差異化
摺疊式裝置型態與狀態 (例如桌面和 HALF_OPENED) 可促進應用程式創新。相機預覽畫面若同時支援摺疊式裝置的大螢幕和小螢幕，就能提供最佳使用者體驗。
在高級摺疊式裝置上讓應用程式脫穎而出。您可以參考 FoldingFeature 等 Jetpack WindowManager API 的說明，瞭解如何操作。
後續步驟
如要進一步瞭解折疊式裝置的姿勢、狀態和相機預覽畫面的支援情形，請參閱下列開發人員指南：
折疊型態與狀態
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上次更新時間：2025-07-27 (世界標準時間)。
[null,null,["上次更新時間：2025-07-27 (世界標準時間)。"],[],[],null,["# Foldable postures and states\n\nTIER 1 --- Large screen differentiated\n| **Objective:** Make your app [large screen differentiated](/docs/quality-guidelines/large-screen-app-quality#large_screen_differentiated) by meeting the [LS-F1](/docs/quality-guidelines/large-screen-app-quality#LS-F1) foldable postures and [LS-F2](/docs/quality-guidelines/large-screen-app-quality#LS-F2) camera preview requirements of the [Large screen app quality](/docs/quality-guidelines/large-screen-app-quality) guidelines.\n\nFoldable postures and states such as tabletop and [`HALF_OPENED`](/reference/kotlin/androidx/window/layout/FoldingFeature.State#HALF_OPENED()) invite app\ninnovation. Camera preview that supports both large and small screens of a\nfoldable device provides an optimal user experience.\n\nDifferentiate your app on premium foldable devices. Jetpack WindowManager APIs\nsuch as [`FoldingFeature`](/reference/kotlin/androidx/window/layout/FoldingFeature) show you how.\n\nNext steps\n----------\n\nLearn more about foldable postures, states, and support for camera preview in\nthe following developer guides:\n\n- [Learn about foldables](/develop/ui/compose/layouts/adaptive/foldables/learn-about-foldables)\n- [Make your app fold aware](/develop/ui/compose/layouts/adaptive/foldables/make-your-app-fold-aware)\n- [Support foldable display modes](/develop/ui/compose/layouts/adaptive/foldables/support-foldable-display-modes)"]]