{"id":628,"date":"2026-01-05T15:26:34","date_gmt":"2026-01-05T07:26:34","guid":{"rendered":"https:\/\/trantor.ink\/?p=628"},"modified":"2026-01-05T16:17:18","modified_gmt":"2026-01-05T08:17:18","slug":"android-jetpack-windowmanager-%e6%b7%b1%e5%ba%a6%e7%a0%94%e7%a9%b6%e6%8a%a5%e5%91%8a%ef%bc%9a%e6%9e%b6%e6%9e%84%e6%bc%94%e8%bf%9b%e3%80%81%e8%87%aa%e9%80%82%e5%ba%94%e4%ba%a4%e4%ba%92%e4%b8%8e","status":"publish","type":"post","link":"https:\/\/trantor.ink\/?p=628","title":{"rendered":"Android Jetpack WindowManager \u6df1\u5ea6\u7814\u7a76\u62a5\u544a\uff1a\u67b6\u6784\u6f14\u8fdb\u3001\u81ea\u9002\u5e94\u4ea4\u4e92\u4e0e\u5de5\u7a0b\u5b9e\u8df5"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trantor.ink\/?p=628\/#1_%E7%BB%AA%E8%AE%BA%EF%BC%9AAndroid_%E6%98%BE%E7%A4%BA%E6%9E%B6%E6%9E%84%E7%9A%84%E8%8C%83%E5%BC%8F%E8%BD%AC%E7%A7%BB\" >1. \u7eea\u8bba\uff1aAndroid \u663e\u793a\u67b6\u6784\u7684\u8303\u5f0f\u8f6c\u79fb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trantor.ink\/?p=628\/#2_%E4%BC%A0%E7%BB%9F%E6%98%BE%E7%A4%BA_API_%E7%9A%84%E5%B1%80%E9%99%90%E6%80%A7%E4%B8%8E%E7%8E%B0%E4%BB%A3%E6%8C%91%E6%88%98\" >2. \u4f20\u7edf\u663e\u793a API \u7684\u5c40\u9650\u6027\u4e0e\u73b0\u4ee3\u6311\u6218<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trantor.ink\/?p=628\/#21_%E4%B8%8A%E4%B8%8B%E6%96%87%EF%BC%88Context%EF%BC%89%E7%9A%84%E6%AD%A7%E4%B9%89%E6%80%A7%E4%B8%8E%E5%B0%BA%E5%AF%B8%E8%AF%AF%E5%88%A4\" >2.1 \u4e0a\u4e0b\u6587\uff08Context\uff09\u7684\u6b67\u4e49\u6027\u4e0e\u5c3a\u5bf8\u8bef\u5224<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trantor.ink\/?p=628\/#22_%E7%89%A9%E7%90%86%E5%BD%A2%E6%80%81%E6%84%9F%E7%9F%A5%E7%9A%84%E7%BC%BA%E5%A4%B1\" >2.2 \u7269\u7406\u5f62\u6001\u611f\u77e5\u7684\u7f3a\u5931<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trantor.ink\/?p=628\/#23_WindowManager_%E7%9A%84%E6%9E%B6%E6%9E%84%E5%AE%9A%E4%BD%8D\" >2.3 WindowManager \u7684\u67b6\u6784\u5b9a\u4f4d<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trantor.ink\/?p=628\/#3_%E6%A0%B8%E5%BF%83%E6%9E%B6%E6%9E%84%E8%A7%A3%E6%9E%90%EF%BC%9AWindowMetrics_%E4%B8%8E%E5%B8%83%E5%B1%80%E6%84%9F%E7%9F%A5\" >3. \u6838\u5fc3\u67b6\u6784\u89e3\u6790\uff1aWindowMetrics \u4e0e\u5e03\u5c40\u611f\u77e5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trantor.ink\/?p=628\/#31_WindowMetricsCalculator%EF%BC%9A%E5%B0%BA%E5%AF%B8%E8%AE%A1%E7%AE%97%E7%9A%84%E7%9C%9F%E7%90%86%E6%9D%A5%E6%BA%90\" >3.1 WindowMetricsCalculator\uff1a\u5c3a\u5bf8\u8ba1\u7b97\u7684\u771f\u7406\u6765\u6e90<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trantor.ink\/?p=628\/#311_%E5%BD%93%E5%89%8D%E7%AA%97%E5%8F%A3%E6%8C%87%E6%A0%87%EF%BC%88Current_Window_Metrics%EF%BC%89\" >3.1.1 \u5f53\u524d\u7a97\u53e3\u6307\u6807\uff08Current Window Metrics\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trantor.ink\/?p=628\/#312_%E6%9C%80%E5%A4%A7%E7%AA%97%E5%8F%A3%E6%8C%87%E6%A0%87%EF%BC%88Maximum_Window_Metrics%EF%BC%89\" >3.1.2 \u6700\u5927\u7a97\u53e3\u6307\u6807\uff08Maximum Window Metrics\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/trantor.ink\/?p=628\/#32_WindowInfoTracker%EF%BC%9A%E5%93%8D%E5%BA%94%E5%BC%8F%E5%B8%83%E5%B1%80%E8%BF%BD%E8%B8%AA\" >3.2 WindowInfoTracker\uff1a\u54cd\u5e94\u5f0f\u5e03\u5c40\u8ffd\u8e2a<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/trantor.ink\/?p=628\/#321_%E6%95%B0%E6%8D%AE%E6%B5%81%E6%9C%BA%E5%88%B6%E4%B8%8E%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E5%AE%89%E5%85%A8\" >3.2.1 \u6570\u636e\u6d41\u673a\u5236\u4e0e\u751f\u547d\u5468\u671f\u5b89\u5168<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/trantor.ink\/?p=628\/#33_WindowLayoutInfo_%E4%B8%8E_DisplayFeatures\" >3.3 WindowLayoutInfo \u4e0e DisplayFeatures<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/trantor.ink\/?p=628\/#331_FoldingFeature_%E7%9A%84%E7%8A%B6%E6%80%81%E5%88%86%E7%B1%BB%E5%AD%A6\" >3.3.1 FoldingFeature \u7684\u72b6\u6001\u5206\u7c7b\u5b66<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/trantor.ink\/?p=628\/#4_%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90%EF%BC%9A%E6%8A%98%E5%8F%A0%E5%B1%8F%E8%AE%BE%E5%A4%87%E7%9A%84%E4%BA%A4%E4%BA%92%E8%AE%BE%E8%AE%A1%E4%B8%8E%E5%AE%9E%E7%8E%B0\" >4. \u6df1\u5ea6\u89e3\u6790\uff1a\u6298\u53e0\u5c4f\u8bbe\u5907\u7684\u4ea4\u4e92\u8bbe\u8ba1\u4e0e\u5b9e\u73b0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/trantor.ink\/?p=628\/#41_%E6%A1%8C%E9%9D%A2%E6%A8%A1%E5%BC%8F%EF%BC%88Tabletop_Mode%EF%BC%89%E7%9A%84%E5%AE%9E%E7%8E%B0%E9%80%BB%E8%BE%91\" >4.1 \u684c\u9762\u6a21\u5f0f\uff08Tabletop Mode\uff09\u7684\u5b9e\u73b0\u903b\u8f91<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/trantor.ink\/?p=628\/#42_%E4%B9%A6%E6%9C%AC%E6%A8%A1%E5%BC%8F%EF%BC%88Book_Mode%EF%BC%89%E4%B8%8E%E5%86%85%E5%AE%B9%E5%88%86%E6%A0%8F\" >4.2 \u4e66\u672c\u6a21\u5f0f\uff08Book Mode\uff09\u4e0e\u5185\u5bb9\u5206\u680f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/trantor.ink\/?p=628\/#5_Activity_Embedding%EF%BC%9A%E9%81%97%E7%95%99%E6%9E%B6%E6%9E%84%E7%9A%84%E7%8E%B0%E4%BB%A3%E5%8C%96%E6%A1%A5%E6%A2%81\" >5. Activity Embedding\uff1a\u9057\u7559\u67b6\u6784\u7684\u73b0\u4ee3\u5316\u6865\u6881<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/trantor.ink\/?p=628\/#51_%E6%9E%B6%E6%9E%84%E5%8E%9F%E7%90%86\" >5.1 \u67b6\u6784\u539f\u7406<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/trantor.ink\/?p=628\/#52_%E9%9D%99%E6%80%81%E8%A7%84%E5%88%99%E9%85%8D%E7%BD%AE%EF%BC%88XML_Configuration%EF%BC%89\" >5.2 \u9759\u6001\u89c4\u5219\u914d\u7f6e\uff08XML Configuration\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/trantor.ink\/?p=628\/#53_%E8%BF%90%E8%A1%8C%E6%97%B6%E6%8E%A7%E5%88%B6%EF%BC%88Runtime_Controller%EF%BC%89\" >5.3 \u8fd0\u884c\u65f6\u63a7\u5236\uff08Runtime Controller\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/trantor.ink\/?p=628\/#54_%E7%8A%B6%E6%80%81%E7%9B%91%E5%90%AC%E4%B8%8E_UI_%E9%80%82%E9%85%8D\" >5.4 \u72b6\u6001\u76d1\u542c\u4e0e UI \u9002\u914d<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/trantor.ink\/?p=628\/#6_Jetpack_Compose_%E4%B8%8E_Material_3_%E8%87%AA%E9%80%82%E5%BA%94%E5%B8%83%E5%B1%80\" >6. Jetpack Compose \u4e0e Material 3 \u81ea\u9002\u5e94\u5e03\u5c40<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/trantor.ink\/?p=628\/#61_WindowSizeClass%EF%BC%9A%E6%A0%87%E5%87%86%E5%8C%96%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%96%AD%E7%82%B9\" >6.1 WindowSizeClass\uff1a\u6807\u51c6\u5316\u7684\u8bbe\u8ba1\u65ad\u70b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/trantor.ink\/?p=628\/#62_%E8%A7%84%E8%8C%83%E5%8C%96%E5%B8%83%E5%B1%80%E7%BB%84%E4%BB%B6%EF%BC%88Canonical_Layouts%EF%BC%89\" >6.2 \u89c4\u8303\u5316\u5e03\u5c40\u7ec4\u4ef6\uff08Canonical Layouts\uff09<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/trantor.ink\/?p=628\/#621_ListDetailPaneScaffold\" >6.2.1 ListDetailPaneScaffold<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/trantor.ink\/?p=628\/#622_NavigableListDetailPaneScaffold\" >6.2.2 NavigableListDetailPaneScaffold<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/trantor.ink\/?p=628\/#63_%E5%A3%B0%E6%98%8E%E5%BC%8F%E6%8A%98%E5%8F%A0%E6%84%9F%E7%9F%A5\" >6.3 \u58f0\u660e\u5f0f\u6298\u53e0\u611f\u77e5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/trantor.ink\/?p=628\/#7_%E8%B4%A8%E9%87%8F%E4%BF%9D%E9%9A%9C%EF%BC%9A%E8%87%AA%E9%80%82%E5%BA%94_UI_%E7%9A%84%E6%B5%8B%E8%AF%95%E7%AD%96%E7%95%A5\" >7. \u8d28\u91cf\u4fdd\u969c\uff1a\u81ea\u9002\u5e94 UI \u7684\u6d4b\u8bd5\u7b56\u7565<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/trantor.ink\/?p=628\/#71_%E5%8D%95%E5%85%83%E6%B5%8B%E8%AF%95%E4%B8%8E%E6%9E%B6%E6%9E%84%E8%A7%A3%E8%80%A6\" >7.1 \u5355\u5143\u6d4b\u8bd5\u4e0e\u67b6\u6784\u89e3\u8026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/trantor.ink\/?p=628\/#72_UI_%E6%B5%8B%E8%AF%95%E4%B8%8E_WindowLayoutInfoPublisherRule\" >7.2 UI \u6d4b\u8bd5\u4e0e WindowLayoutInfoPublisherRule<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/trantor.ink\/?p=628\/#%E5%AE%9E%E6%88%98%E6%BC%94%E7%BB%83%EF%BC%9A%E6%B5%8B%E8%AF%95%E6%A1%8C%E9%9D%A2%E6%A8%A1%E5%BC%8F\" >\u5b9e\u6218\u6f14\u7ec3\uff1a\u6d4b\u8bd5\u684c\u9762\u6a21\u5f0f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/trantor.ink\/?p=628\/#73_Robolectric_%E7%9A%84%E9%9B%86%E6%88%90\" >7.3 Robolectric \u7684\u96c6\u6210<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/trantor.ink\/?p=628\/#8_%E5%B7%A5%E7%A8%8B%E5%AE%9E%E8%B7%B5%E6%8C%87%E5%8D%97%E4%B8%8E%E8%BF%81%E7%A7%BB%E8%B7%AF%E7%BA%BF%E5%9B%BE\" >8. \u5de5\u7a0b\u5b9e\u8df5\u6307\u5357\u4e0e\u8fc1\u79fb\u8def\u7ebf\u56fe<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/trantor.ink\/?p=628\/#81_%E4%BE%9D%E8%B5%96%E7%AE%A1%E7%90%86%E4%B8%8E%E7%89%88%E6%9C%AC%E7%AD%96%E7%95%A5\" >8.1 \u4f9d\u8d56\u7ba1\u7406\u4e0e\u7248\u672c\u7b56\u7565<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/trantor.ink\/?p=628\/#82_%E8%BF%81%E7%A7%BB%E8%B7%AF%E7%BA%BF%E5%9B%BE_Migration_Roadmap\" >8.2 \u8fc1\u79fb\u8def\u7ebf\u56fe (Migration Roadmap)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/trantor.ink\/?p=628\/#83_%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5%E4%B8%8E%E9%81%BF%E5%9D%91%E6%8C%87%E5%8D%97_Dos_and_Donts\" >8.3 \u6700\u4f73\u5b9e\u8df5\u4e0e\u907f\u5751\u6307\u5357 (Do&#8217;s and Don&#8217;ts)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/trantor.ink\/?p=628\/#9_%E7%BB%93%E8%AE%BA%E4%B8%8E%E5%B1%95%E6%9C%9B\" >9. \u7ed3\u8bba\u4e0e\u5c55\u671b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/trantor.ink\/?p=628\/#%E9%99%84%E5%BD%95%EF%BC%9A%E5%85%B3%E9%94%AE%E6%9C%AF%E8%AF%AD%E5%AF%B9%E7%85%A7%E8%A1%A8\" >\u9644\u5f55\uff1a\u5173\u952e\u672f\u8bed\u5bf9\u7167\u8868<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p><a href=\"https:\/\/trantor.ink\/?page_id=630\" target=\"_blank\" rel=\"noreferrer noopener\">\u6df1\u5ea6\u7814\u7a76\uff1aJetpack WindowManager \u2013 \u5ddd\u9640\u77e5\u8bc6\u5e93<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/trantor.ink\/?page_id=633\" target=\"_blank\" rel=\"noreferrer noopener\">Jetpack WindowManager\uff1a\u91cd\u5851\u591a\u7a97\u53e3\u4ea4\u4e92\u4f53\u9a8c \u2013 \u5ddd\u9640\u77e5\u8bc6\u5e93<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E7%BB%AA%E8%AE%BA%EF%BC%9AAndroid_%E6%98%BE%E7%A4%BA%E6%9E%B6%E6%9E%84%E7%9A%84%E8%8C%83%E5%BC%8F%E8%BD%AC%E7%A7%BB\"><\/span>1. \u7eea\u8bba\uff1aAndroid \u663e\u793a\u67b6\u6784\u7684\u8303\u5f0f\u8f6c\u79fb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u79fb\u52a8\u8ba1\u7b97\u7684\u65e9\u671f\u9636\u6bb5\uff0cAndroid \u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u57fa\u4e8e\u4e00\u4e2a\u76f8\u5bf9\u9759\u6001\u7684\u5047\u8bbe\uff1a\u8bbe\u5907\u5c4f\u5e55\u662f\u4e00\u4e2a\u77e9\u5f62\u7684\u3001\u4e0d\u53ef\u53d8\u7684\u753b\u5e03\u3002\u5341\u591a\u5e74\u6765\uff0c\u5f00\u53d1\u8005\u4e60\u60ef\u4e8e\u901a\u8fc7 <code>DisplayMetrics<\/code> API \u83b7\u53d6\u5c4f\u5e55\u7684\u7edd\u5bf9\u50cf\u7d20\u5bbd\u9ad8\uff0c\u5e76\u4ee5\u6b64\u4e3a\u57fa\u7840\u6784\u5efa\u7528\u6237\u754c\u9762\u3002\u8fd9\u79cd\u4ee5\u201c\u7269\u7406\u5c4f\u5e55\u201d\u4e3a\u4e2d\u5fc3\u7684\u5f00\u53d1\u6a21\u5f0f\uff0c\u5728\u5355\u7a97\u53e3\u3001\u56fa\u5b9a\u5c3a\u5bf8\u7684\u667a\u80fd\u624b\u673a\u65f6\u4ee3\u8fd0\u8f6c\u826f\u597d\u3002\u7136\u800c\uff0c\u968f\u7740\u79fb\u52a8\u786c\u4ef6\u5f62\u6001\u7684\u7206\u53d1\u5f0f\u6f14\u8fdb\u2014\u2014\u4ece\u6298\u53e0\u5c4f\u8bbe\u5907\uff08Foldables\uff09\u7684\u5546\u4e1a\u5316\u666e\u53ca\uff0c\u5230\u5e73\u677f\u7535\u8111\uff08Tablets\uff09\u751f\u4ea7\u529b\u6a21\u5f0f\u7684\u589e\u5f3a\uff0c\u518d\u5230 ChromeOS \u548c\u684c\u9762\u6a21\u5f0f\uff08Desktop Mode\uff09\u7684\u878d\u5408\u2014\u2014\u4f20\u7edf\u7684\u663e\u793a\u5047\u8bbe\u5df2\u5f7b\u5e95\u5d29\u584c\u3002<\/p>\n\n\n\n<p>Android \u751f\u6001\u7cfb\u7edf\u6b63\u5728\u7ecf\u5386\u4e00\u573a\u4ece\u201c\u4ee5\u8bbe\u5907\u4e3a\u4e2d\u5fc3\u201d\u5411\u201c\u4ee5\u7a97\u53e3\u4e3a\u4e2d\u5fc3\u201d\u7684\u8303\u5f0f\u8f6c\u79fb\u3002\u5728\u8fd9\u79cd\u65b0\u7684\u591a\u7a97\u53e3\u3001\u591a\u5f62\u6001\u73af\u5883\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e0d\u518d\u72ec\u5360\u6574\u4e2a\u7269\u7406\u5c4f\u5e55\uff0c\u800c\u662f\u8fd0\u884c\u5728\u4e00\u4e2a\u52a8\u6001\u53d8\u5316\u7684\u201c\u7a97\u53e3\u201d\u5bb9\u5668\u4e2d\u3002\u8fd9\u4e2a\u7a97\u53e3\u53ef\u80fd\u4f1a\u968f\u7740\u7528\u6237\u8c03\u6574\u5206\u5c4f\u6bd4\u4f8b\u800c\u5b9e\u65f6\u6539\u53d8\u5927\u5c0f\uff0c\u53ef\u80fd\u4f1a\u8de8\u8d8a\u6298\u53e0\u5c4f\u7684\u94f0\u94fe\u533a\u57df\uff0c\u751a\u81f3\u53ef\u80fd\u4f1a\u5728\u4e0d\u540c\u5bc6\u5ea6\u7684\u663e\u793a\u5668\u4e4b\u95f4\u6d41\u8f6c\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\uff0cGoogle \u63a8\u51fa\u4e86 Jetpack WindowManager \u5e93\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u65b0\u7684\u5de5\u5177\u5305\uff0c\u66f4\u662f Android UI \u5de5\u7a0b\u67b6\u6784\u7684\u57fa\u77f3\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u6807\u51c6\u5316\u7684\u62bd\u8c61\u5c42\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u611f\u77e5\u5e76\u9002\u5e94\u73b0\u4ee3\u8bbe\u5907\u7684\u590d\u6742\u7269\u7406\u7279\u6027\u3002<\/p>\n\n\n\n<p>\u672c\u62a5\u544a\u65e8\u5728\u5bf9 Jetpack WindowManager \u8fdb\u884c\u8be6\u5c3d\u7684\u6df1\u5ea6\u7814\u7a76\u3002\u6211\u4eec\u5c06\u4ece\u5e95\u5c42\u67b6\u6784\u539f\u7406\u51fa\u53d1\uff0c\u6df1\u5165\u5256\u6790\u5176\u6838\u5fc3\u7ec4\u4ef6 <code>WindowMetrics<\/code>\u3001<code>WindowInfoTracker<\/code> \u4ee5\u53ca <code>FoldingFeature<\/code> \u7684\u5de5\u4f5c\u673a\u5236\uff1b\u8be6\u7ec6\u9610\u8ff0\u9488\u5bf9\u9057\u7559\u4ee3\u7801\u5e93\u7684 Activity Embedding \u8fc1\u79fb\u7b56\u7565\uff1b\u63a2\u8ba8 Jetpack Compose \u65f6\u4ee3\u7684\u58f0\u660e\u5f0f\u81ea\u9002\u5e94\u5e03\u5c40\u6700\u4f73\u5b9e\u8df5\uff1b\u5e76\u7cfb\u7edf\u6027\u5730\u6784\u5efa\u4e00\u5957\u6db5\u76d6\u5355\u5143\u6d4b\u8bd5\u4e0e UI \u6d4b\u8bd5\u7684\u8d28\u91cf\u4fdd\u969c\u4f53\u7cfb\u3002\u901a\u8fc7\u5bf9\u5b98\u65b9\u6587\u6863\u3001\u6280\u672f\u767d\u76ae\u4e66\u53ca\u5de5\u7a0b\u5b9e\u8df5\u6848\u4f8b\u7684\u7efc\u5408\u5206\u6790\uff0c\u672c\u62a5\u544a\u5c06\u4e3a\u6784\u5efa\u9ad8\u8d28\u91cf\u3001\u81ea\u9002\u5e94\u7684 Android \u5e94\u7528\u63d0\u4f9b\u6743\u5a01\u7684\u5de5\u7a0b\u6307\u5357\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%E4%BC%A0%E7%BB%9F%E6%98%BE%E7%A4%BA_API_%E7%9A%84%E5%B1%80%E9%99%90%E6%80%A7%E4%B8%8E%E7%8E%B0%E4%BB%A3%E6%8C%91%E6%88%98\"><\/span>2. \u4f20\u7edf\u663e\u793a API \u7684\u5c40\u9650\u6027\u4e0e\u73b0\u4ee3\u6311\u6218<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8981\u771f\u6b63\u7406\u89e3 Jetpack WindowManager \u7684\u5fc5\u8981\u6027\uff0c\u5fc5\u987b\u9996\u5148\u5ba1\u89c6\u4f20\u7edf API \u5728\u73b0\u4ee3\u786c\u4ef6\u73af\u5883\u4e0b\u7684\u7cfb\u7edf\u6027\u5931\u6548\u3002\u957f\u671f\u4ee5\u6765\uff0c<code>DisplayMetrics<\/code> \u548c <code>Display#getRealMetrics()<\/code> \u662f\u83b7\u53d6\u5c4f\u5e55\u5c3a\u5bf8\u7684\u6807\u51c6\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u8fd9\u4e9b API \u5728\u8bbe\u8ba1\u4e4b\u521d\u5e76\u672a\u9884\u89c1\u5230\u591a\u7a97\u53e3\uff08Multi-window\uff09\u548c\u6298\u53e0\u5c4f\u5f62\u6001\u7684\u666e\u53ca\uff0c\u5bfc\u81f4\u4e86\u4e25\u91cd\u7684\u517c\u5bb9\u6027\u5371\u673a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_%E4%B8%8A%E4%B8%8B%E6%96%87%EF%BC%88Context%EF%BC%89%E7%9A%84%E6%AD%A7%E4%B9%89%E6%80%A7%E4%B8%8E%E5%B0%BA%E5%AF%B8%E8%AF%AF%E5%88%A4\"><\/span>2.1 \u4e0a\u4e0b\u6587\uff08Context\uff09\u7684\u6b67\u4e49\u6027\u4e0e\u5c3a\u5bf8\u8bef\u5224<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728 Android \u7cfb\u7edf\u4e2d\uff0c<code>Context<\/code> \u662f\u4e00\u4e2a\u52a0\u8f7d\u8d44\u6e90\u548c\u8bbf\u95ee\u7cfb\u7edf\u670d\u52a1\u7684\u63a5\u53e3\u3002\u7136\u800c\uff0c\u4e0d\u540c\u7c7b\u578b\u7684 Context \u5bf9\u663e\u793a\u4fe1\u606f\u7684\u7406\u89e3\u5b58\u5728\u672c\u8d28\u5dee\u5f02\u3002\u4f20\u7edf\u7684 <code>DisplayMetrics<\/code> \u83b7\u53d6\u65b9\u5f0f\u5f80\u5f80\u4f9d\u8d56\u4e8e <code>Application Context<\/code> \u6216\u975e\u663e\u793a\u76f8\u5173\u7684 Context\uff0c\u8fd9\u5bfc\u81f4\u8fd4\u56de\u7684\u662f\u6574\u4e2a\u7269\u7406\u5c4f\u5e55\u7684\u5c3a\u5bf8\uff0c\u800c\u975e\u5e94\u7528\u7a0b\u5e8f\u5b9e\u9645\u5360\u636e\u7684\u7a97\u53e3\u5c3a\u5bf8\u3002<\/p>\n\n\n\n<p>\u5728\u5206\u5c4f\u6a21\u5f0f\uff08Split-screen\uff09\u4e0b\uff0c\u8fd9\u79cd\u5dee\u5f02\u662f\u81f4\u547d\u7684\u3002\u5047\u8bbe\u7528\u6237\u5728\u5e73\u677f\u7535\u8111\u4e0a\u4ee5 50:50 \u7684\u6bd4\u4f8b\u5206\u5c4f\u8fd0\u884c\u4e24\u4e2a\u5e94\u7528\u3002\u5982\u679c\u5e94\u7528 A \u4f7f\u7528 <code>DisplayMetrics<\/code> \u83b7\u53d6\u5bbd\u5ea6\uff0c\u5b83\u5c06\u5f97\u5230\u6574\u4e2a\u5c4f\u5e55\u7684\u5bbd\u5ea6\uff08\u4f8b\u5982 2560 \u50cf\u7d20\uff09\uff0c\u5e76\u636e\u6b64\u5e03\u5c40\u5185\u5bb9\u3002\u7ed3\u679c\u662f\uff0c\u5185\u5bb9\u4f1a\u88ab\u622a\u65ad\u6216\u6e32\u67d3\u5230\u4e0d\u53ef\u89c1\u7684\u533a\u57df\uff0c\u56e0\u4e3a\u5e94\u7528 A \u5b9e\u9645\u4e0a\u53ea\u6709 1280 \u50cf\u7d20\u7684\u53ef\u7528\u5bbd\u5ea6\u3002API 30\uff08Android 11\uff09\u53ca\u66f4\u65e9\u7248\u672c\u867d\u7136\u5c1d\u8bd5\u901a\u8fc7 <code>Configuration<\/code> \u5bf9\u8c61\u4f20\u9012\u5c4f\u5e55\u53d8\u5316\uff0c\u4f46\u5728\u5904\u7406\u7cfb\u7edf\u680f\uff08System Bars\uff09\u548c\u7a97\u53e3\u88c5\u9970\uff08Window Decor\uff09\u7684\u6263\u9664\u903b\u8f91\u65f6\uff0c\u4e0d\u4ec5\u4ee3\u7801\u7e41\u7410\uff0c\u800c\u4e14\u5728\u4e0d\u540c\u5382\u5546\u7684\u8bbe\u5907\u4e0a\u8868\u73b0\u4e0d\u4e00 <sup>1<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_%E7%89%A9%E7%90%86%E5%BD%A2%E6%80%81%E6%84%9F%E7%9F%A5%E7%9A%84%E7%BC%BA%E5%A4%B1\"><\/span>2.2 \u7269\u7406\u5f62\u6001\u611f\u77e5\u7684\u7f3a\u5931<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4f20\u7edf API \u4ec5\u80fd\u63cf\u8ff0\u4e8c\u7ef4\u5e73\u9762\u7684\u50cf\u7d20\u4fe1\u606f\uff0c\u5b8c\u5168\u65e0\u6cd5\u63cf\u8ff0\u4e09\u7ef4\u7a7a\u95f4\u7684\u7269\u7406\u7279\u5f81\u3002\u6298\u53e0\u5c4f\u8bbe\u5907\u5f15\u5165\u4e86\u201c\u59ff\u6001\u201d\uff08Posture\uff09\u548c\u201c\u94f0\u94fe\u201d\uff08Hinge\uff09\u7684\u6982\u5ff5\u3002\u4f8b\u5982\uff0c\u5f53\u7528\u6237\u5c06 Samsung Galaxy Z Fold \u6216 Pixel Fold \u6298\u53e0\u6210 90 \u5ea6\u7684\u201c\u684c\u9762\u6a21\u5f0f\u201d\uff08Tabletop Mode\uff09\u65f6\uff0c\u7269\u7406\u5c4f\u5e55\u867d\u7136\u5728\u50cf\u7d20\u903b\u8f91\u4e0a\u662f\u8fde\u7eed\u7684\uff0c\u4f46\u5728\u4ea4\u4e92\u903b\u8f91\u4e0a\u5df2\u88ab\u7269\u7406\u6298\u75d5\u5206\u5272\u4e3a\u4e24\u4e2a\u533a\u57df <sup>3<\/sup>\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u50cf Microsoft Surface Duo \u8fd9\u6837\u7684\u53cc\u5c4f\u8bbe\u5907\uff0c\u4e24\u5757\u5c4f\u5e55\u4e4b\u95f4\u5b58\u5728\u7269\u7406\u7f1d\u9699\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u611f\u77e5\u8fd9\u4e2a\u201c\u906e\u6321\u533a\u201d\uff08Occlusion\uff09\uff0c\u5b83\u53ef\u80fd\u4f1a\u5c06\u5173\u952e\u7684 UI \u5143\u7d20\uff08\u5982\u5bf9\u8bdd\u6846\u7684\u786e\u8ba4\u6309\u94ae\u6216\u5730\u56fe\u7684\u5bfc\u822a\u6307\u9488\uff09\u6e32\u67d3\u5728\u7f1d\u9699\u4e4b\u4e0b\uff0c\u5bfc\u81f4\u7528\u6237\u65e0\u6cd5\u64cd\u4f5c\u6216\u4fe1\u606f\u4e22\u5931\u3002<code>DisplayMetrics<\/code> \u5bf9\u6b64\u65e0\u80fd\u4e3a\u529b\uff0c\u56e0\u4e3a\u5b83\u53ea\u80fd\u8fd4\u56de\u4e00\u4e2a\u805a\u5408\u7684\u77e9\u5f62\u533a\u57df\uff0c\u65e0\u6cd5\u8bc6\u522b\u4e2d\u95f4\u7684\u201c\u9ed1\u6d1e\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_WindowManager_%E7%9A%84%E6%9E%B6%E6%9E%84%E5%AE%9A%E4%BD%8D\"><\/span>2.3 WindowManager \u7684\u67b6\u6784\u5b9a\u4f4d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Jetpack WindowManager \u7684\u51fa\u73b0\u6b63\u662f\u4e3a\u4e86\u586b\u8865\u8fd9\u4e00\u67b6\u6784\u771f\u7a7a\u3002\u4f5c\u4e3a\u4e00\u4e2a\u89e3\u8026\u7684\u5e93\uff0c\u5b83\u5411\u540e\u517c\u5bb9\u81f3 API Level 14\uff0c\u786e\u4fdd\u4e86\u65b0\u65e7\u8bbe\u5907\u7684\u4e00\u81f4\u6027\u4f53\u9a8c\u3002\u5b83\u4e0d\u518d\u8be2\u95ee\u201c\u5c4f\u5e55\u6709\u591a\u5927\uff1f\u201d\uff0c\u800c\u662f\u8be2\u95ee\u201c\u5206\u914d\u7ed9\u5f53\u524d\u7a97\u53e3\u7684\u53ef\u89c1\u533a\u57df\u662f\u591a\u5c11\uff1f\u201d\u4ee5\u53ca\u201c\u5f53\u524d\u7a97\u53e3\u8986\u76d6\u4e86\u54ea\u4e9b\u7269\u7406\u7279\u5f81\uff1f\u201d\u3002\u8fd9\u79cd\u89c6\u89d2\u7684\u8f6c\u6362\uff0c\u4f7f\u5f97\u5e94\u7528\u80fd\u591f\u4ece\u5bb9\u5e94\u5bf9\u81ea\u7531\u7a97\u53e3\uff08Freeform\uff09\u3001\u753b\u4e2d\u753b\uff08PiP\uff09\u3001\u591a\u663e\u793a\u5668\u6295\u5c4f\u7b49\u5404\u79cd\u590d\u6742\u573a\u666f <sup>3<\/sup>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%E6%A0%B8%E5%BF%83%E6%9E%B6%E6%9E%84%E8%A7%A3%E6%9E%90%EF%BC%9AWindowMetrics_%E4%B8%8E%E5%B8%83%E5%B1%80%E6%84%9F%E7%9F%A5\"><\/span>3. \u6838\u5fc3\u67b6\u6784\u89e3\u6790\uff1aWindowMetrics \u4e0e\u5e03\u5c40\u611f\u77e5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Jetpack WindowManager \u7684\u6838\u5fc3\u80fd\u529b\u53ef\u4ee5\u6982\u62ec\u4e3a\u4e24\u65b9\u9762\uff1a\u4e00\u662f\u7cbe\u786e\u7684\u9759\u6001\u5c3a\u5bf8\u8ba1\u7b97\uff08WindowMetrics\uff09\uff0c\u4e8c\u662f\u52a8\u6001\u7684\u5e03\u5c40\u7279\u5f81\u611f\u77e5\uff08Layout Information\uff09\u3002\u672c\u7ae0\u5c06\u6df1\u5165\u5256\u6790\u8fd9\u4e24\u4e2a\u6a21\u5757\u7684\u5185\u90e8\u673a\u5236\u53ca\u5176\u6570\u636e\u7ed3\u6784\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_WindowMetricsCalculator%EF%BC%9A%E5%B0%BA%E5%AF%B8%E8%AE%A1%E7%AE%97%E7%9A%84%E7%9C%9F%E7%90%86%E6%9D%A5%E6%BA%90\"><\/span>3.1 WindowMetricsCalculator\uff1a\u5c3a\u5bf8\u8ba1\u7b97\u7684\u771f\u7406\u6765\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><code>WindowMetricsCalculator<\/code> \u662f WindowManager \u5e93\u4e2d\u7528\u4e8e\u83b7\u53d6\u7a97\u53e3\u5c3a\u5bf8\u7684\u5165\u53e3\u7c7b\u3002\u5b83\u6452\u5f03\u4e86\u5bf9 <code>Context<\/code> \u7684\u9690\u5f0f\u4f9d\u8d56\uff0c\u8981\u6c42\u5f00\u53d1\u8005\u663e\u5f0f\u4f20\u9012 <code>Activity<\/code> \u6216 <code>UiContext<\/code>\uff0c\u4ece\u800c\u786e\u4fdd\u8ba1\u7b97\u662f\u57fa\u4e8e\u5f53\u524d\u7a97\u53e3\u4ee4\u724c\uff08Window Token\uff09\u7684 <sup>3<\/sup>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"311_%E5%BD%93%E5%89%8D%E7%AA%97%E5%8F%A3%E6%8C%87%E6%A0%87%EF%BC%88Current_Window_Metrics%EF%BC%89\"><\/span>3.1.1 \u5f53\u524d\u7a97\u53e3\u6307\u6807\uff08Current Window Metrics\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><code>computeCurrentWindowMetrics(Activity activity)<\/code> \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a <code>WindowMetrics<\/code> \u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u5f53\u524d\u7a97\u53e3\u5728\u5c4f\u5e55\u4e0a\u7684\u7cbe\u786e\u8fb9\u754c\uff08Bounds\uff09\u3002\u8fd9\u4e2a\u8fb9\u754c\u662f\u5305\u542b\u4e86\u7cfb\u7edf\u88c5\u9970\u533a\u57df\uff08\u5982\u72b6\u6001\u680f\u3001\u5bfc\u822a\u680f\uff09\u7684\u5b8c\u6574\u77e9\u5f62\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u5b9e\u9645\u53ef\u7528\u7684\u5185\u5bb9\u533a\u57df\uff0c\u5f00\u53d1\u8005\u5fc5\u987b\u7ed3\u5408 WindowInsets \u8fdb\u884c\u8ba1\u7b97\u3002\u8fd9\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6b65\u9aa4\uff0c\u56e0\u4e3a\u4e0d\u540c\u7248\u672c\u7684 Android \u7cfb\u7edf\u5bf9\u7cfb\u7edf\u680f\u9ad8\u5ea6\u7684\u5904\u7406\u903b\u8f91\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>$$W_{usable} = W_{bounds} &#8211; (I_{left} + I_{right})$$<\/p>\n\n\n\n<p>$$H_{usable} = H_{bounds} &#8211; (I_{top} + I_{bottom})$$<\/p>\n\n\n\n<p>\u5176\u4e2d\uff0c$W_{bounds}$ \u548c $H_{bounds}$ \u6765\u81ea WindowMetrics.getBounds()\uff0c$I$ \u4ee3\u8868\u901a\u8fc7 WindowInsets \u83b7\u53d6\u7684\u7cfb\u7edf\u680f\u63d2\u5165\u503c\uff08Insets\uff09\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cWindowMetrics \u63d0\u4f9b\u7684 API \u80fd\u5728 API 30+ \u4e0a\u65e0\u7f1d\u5bf9\u63a5\u5e73\u53f0\u539f\u751f\u65b9\u6cd5\uff0c\u800c\u5728\u65e7\u7248\u672c\u4e0a\u5219\u901a\u8fc7\u517c\u5bb9\u5c42\u6a21\u62df\u8fd9\u4e00\u884c\u4e3a\uff0c\u5c4f\u853d\u4e86\u5e95\u5c42\u7684\u788e\u7247\u5316\u5dee\u5f02 2\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"312_%E6%9C%80%E5%A4%A7%E7%AA%97%E5%8F%A3%E6%8C%87%E6%A0%87%EF%BC%88Maximum_Window_Metrics%EF%BC%89\"><\/span>3.1.2 \u6700\u5927\u7a97\u53e3\u6307\u6807\uff08Maximum Window Metrics\uff09<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u9664\u4e86\u5f53\u524d\u5c3a\u5bf8\uff0c<code>computeMaximumWindowMetrics(Activity activity)<\/code> \u63d0\u4f9b\u4e86\u7a97\u53e3\u5728\u5f53\u524d\u663e\u793a\u72b6\u6001\u4e0b\u53ef\u80fd\u6269\u5c55\u5230\u7684\u6700\u5927\u5c3a\u5bf8\u3002\u5728\u591a\u7a97\u53e3\u73af\u5883\u4e0b\uff0c\u8fd9\u901a\u5e38\u7b49\u4e8e\u5f53\u524d\u663e\u793a\u5668\uff08Display\uff09\u7684\u6d3b\u52a8\u533a\u57df\u3002\u8fd9\u4e00\u6307\u6807\u5bf9\u4e8e\u51b3\u7b56\u5e03\u5c40\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5e94\u7528\u53ef\u80fd\u9700\u8981\u77e5\u9053\uff1a\u201c\u5982\u679c\u7528\u6237\u5c06\u6211\u6700\u5927\u5316\uff0c\u6211\u662f\u5426\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u5c55\u793a\u53cc\u9762\u677f\u5e03\u5c40\uff1f\u201d\u5982\u679c\u6700\u5927\u5bbd\u5ea6\u652f\u6301\u53cc\u9762\u677f\uff0c\u5e94\u7528\u53ef\u4ee5\u9884\u52a0\u8f7d\u76f8\u5173\u8d44\u6e90\uff1b\u5982\u679c\u6700\u5927\u5bbd\u5ea6\u4f9d\u7136\u662f\u7d27\u51d1\u7684\uff08\u5982\u5728\u5c0f\u5c4f\u624b\u673a\u4e0a\uff09\uff0c\u5219\u5b8c\u5168\u65e0\u9700\u52a0\u8f7d\u5927\u5c4f\u8d44\u6e90 <sup>3<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_WindowInfoTracker%EF%BC%9A%E5%93%8D%E5%BA%94%E5%BC%8F%E5%B8%83%E5%B1%80%E8%BF%BD%E8%B8%AA\"><\/span>3.2 WindowInfoTracker\uff1a\u54cd\u5e94\u5f0f\u5e03\u5c40\u8ffd\u8e2a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u9759\u6001\u7684\u5c3a\u5bf8\u83b7\u53d6\u53ea\u80fd\u89e3\u51b3\u521d\u59cb\u5316\u5e03\u5c40\u7684\u95ee\u9898\u3002\u5728\u6298\u53e0\u5c4f\u8bbe\u5907\u7684\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u7528\u6237\u53ef\u80fd\u968f\u65f6\u6539\u53d8\u8bbe\u5907\u7684\u7269\u7406\u72b6\u6001\u2014\u2014\u4ece\u5c55\u5f00\u5230\u6298\u53e0\uff0c\u4ece\u7ad6\u5c4f\u5230\u6a2a\u5c4f\u3002<code>WindowInfoTracker<\/code> \u5f15\u5165\u4e86\u54cd\u5e94\u5f0f\u7f16\u7a0b\u6a21\u578b\uff0c\u5229\u7528 Kotlin Flows\uff08\u6216 Java Callbacks\/RxJava Observables\uff09\u6765\u5b9e\u65f6\u5206\u53d1\u7a97\u53e3\u72b6\u6001\u7684\u53d8\u5316 <sup>6<\/sup>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"321_%E6%95%B0%E6%8D%AE%E6%B5%81%E6%9C%BA%E5%88%B6%E4%B8%8E%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E5%AE%89%E5%85%A8\"><\/span>3.2.1 \u6570\u636e\u6d41\u673a\u5236\u4e0e\u751f\u547d\u5468\u671f\u5b89\u5168<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><code>windowLayoutInfo(Activity activity)<\/code> \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a <code>Flow&lt;WindowLayoutInfo&gt;<\/code>\u3002\u6bcf\u5f53\u7cfb\u7edf\u68c0\u6d4b\u5230\u663e\u793a\u7279\u5f81\u53d1\u751f\u53d8\u5316\uff08\u5982\u94f0\u94fe\u89d2\u5ea6\u6539\u53d8\u89e6\u53d1\u4e86\u72b6\u6001\u9608\u503c\uff09\uff0c\u8be5\u6d41\u5c31\u4f1a\u53d1\u5c04\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u5de5\u7a0b\u5b9e\u8df5\u4e2d\u5fc5\u987b\u4e25\u683c\u6ce8\u610f\u6d41\u7684\u6536\u96c6\u65b9\u5f0f\u3002\u7531\u4e8e UI \u66f4\u65b0\u5fc5\u987b\u5728\u4e3b\u7ebf\u7a0b\u8fdb\u884c\uff0c\u4e14\u4e0d\u5e94\u5728 Activity \u5904\u4e8e\u540e\u53f0\u65f6\u6d6a\u8d39\u8ba1\u7b97\u8d44\u6e90\uff0c\u5b98\u65b9\u5f3a\u70c8\u63a8\u8350\u7ed3\u5408 <code>Lifecycle<\/code> API \u4f7f\u7528\uff1a<\/p>\n\n\n\n<p>Kotlin<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">lifecycleScope.launch {\n    lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {\n        windowInfoTracker.windowLayoutInfo(this@MainActivity)\n           .collect { newLayoutInfo ->\n                \/\/ \u66f4\u65b0 UI\n            }\n    }\n}\n<\/pre>\n\n\n\n<p>\u8fd9\u79cd\u6a21\u5f0f\u786e\u4fdd\u4e86\u5f53\u5e94\u7528\u8fdb\u5165\u540e\u53f0\uff08STOPPED \u72b6\u6001\uff09\u65f6\uff0c\u6d41\u7684\u6536\u96c6\u4f1a\u81ea\u52a8\u6302\u8d77\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u548c\u4e0d\u5fc5\u8981\u7684\u7535\u91cf\u6d88\u8017 <sup>6<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_WindowLayoutInfo_%E4%B8%8E_DisplayFeatures\"><\/span>3.3 WindowLayoutInfo \u4e0e DisplayFeatures<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><code>WindowLayoutInfo<\/code> \u662f\u6570\u636e\u6d41\u7684\u8f7d\u4f53\uff0c\u5176\u6838\u5fc3\u5c5e\u6027\u662f <code>displayFeatures<\/code> \u5217\u8868\u3002<code>DisplayFeature<\/code> \u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u63cf\u8ff0\u4e86\u4f4d\u4e8e\u7a97\u53e3\u8fb9\u754c\u5185\u7684\u7269\u7406\u5c5e\u6027\u3002\u76ee\u524d\uff0c\u6700\u4e3b\u8981\u7684\u5b9e\u73b0\u7c7b\u662f <code>FoldingFeature<\/code>\uff0c\u5b83\u4e13\u95e8\u7528\u4e8e\u63cf\u8ff0\u6298\u53e0\u5c4f\u7684\u6298\u75d5\u6216\u94f0\u94fe <sup>4<\/sup>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"331_FoldingFeature_%E7%9A%84%E7%8A%B6%E6%80%81%E5%88%86%E7%B1%BB%E5%AD%A6\"><\/span>3.3.1 FoldingFeature \u7684\u72b6\u6001\u5206\u7c7b\u5b66<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u4e3a\u4e86\u6784\u5efa\u201c\u6298\u53e0\u611f\u77e5\u201d\uff08Fold-aware\uff09\u7684\u5e94\u7528\uff0c\u5f00\u53d1\u8005\u9700\u8981\u6df1\u5165\u7406\u89e3 <code>FoldingFeature<\/code> \u66b4\u9732\u7684\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u72b6\u6001 (State)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>FLAT (\u5e73\u5766)<\/strong>\uff1a\u8bbe\u5907\u5b8c\u5168\u5c55\u5f00\uff0c\u5c4f\u5e55\u5448\u73b0\u4e3a\u5355\u4e00\u5e73\u9762\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u6ca1\u6709\u6298\u75d5\uff08\u5982\u67d4\u6027\u5c4f\uff09\uff0c\u4f46\u5728\u903b\u8f91\u4e0a\u88ab\u89c6\u4e3a\u8fde\u7eed\u7684\u3002<\/li>\n\n\n\n<li><strong>HALF_OPENED (\u534a\u5f00)<\/strong>\uff1a\u4e24\u5757\u903b\u8f91\u5c4f\u5e55\u4e4b\u95f4\u5f62\u6210\u4e00\u5b9a\u89d2\u5ea6\uff08\u901a\u5e38\u5728 30\u00b0 \u5230 150\u00b0 \u4e4b\u95f4\uff09\u3002\u8fd9\u79cd\u72b6\u6001\u662f\u6298\u53e0\u5c4f\u72ec\u6709\u7684\u4ea4\u4e92\u673a\u4f1a\uff0c\u88ab\u79f0\u4e3a\u201c\u684c\u9762\u6a21\u5f0f\u201d\uff08Tabletop Mode\uff09\u6216\u201c\u4e66\u672c\u6a21\u5f0f\u201d\uff08Book Mode\uff09\u3002\u5e94\u7528\u53ef\u4ee5\u5229\u7528\u6b64\u72b6\u6001\u5c06\u63a7\u4ef6\u653e\u5728\u4e0b\u534a\u5c4f\uff0c\u5185\u5bb9\u653e\u5728\u4e0a\u534a\u5c4f <sup>4<\/sup>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u65b9\u5411 (Orientation)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>HORIZONTAL (\u6c34\u5e73)<\/strong>\uff1a\u6298\u75d5\u6c34\u5e73\u6a2a\u8de8\u5c4f\u5e55\u3002\u5bf9\u5e94\u7b14\u8bb0\u672c\u7535\u8111\u5f62\u6001\u3002<\/li>\n\n\n\n<li><strong>VERTICAL (\u5782\u76f4)<\/strong>\uff1a\u6298\u75d5\u5782\u76f4\u7eb5\u8d2f\u5c4f\u5e55\u3002\u5bf9\u5e94\u4e66\u672c\u5f62\u6001 <sup>4<\/sup>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u906e\u6321\u7c7b\u578b (Occlusion Type)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>NONE<\/strong>\uff1a\u5c4f\u5e55\u662f\u8fde\u7eed\u7684\u67d4\u6027\u5c4f\uff0c\u6298\u75d5\u5904\u867d\u7136\u53ef\u80fd\u6709\u7269\u7406\u5f62\u53d8\uff0c\u4f46\u50cf\u7d20\u662f\u8fde\u7eed\u53ef\u89c1\u7684\u3002<\/li>\n\n\n\n<li><strong>FULL<\/strong>\uff1a\u5b58\u5728\u7269\u7406\u94f0\u94fe\uff08\u5982 Surface Duo\uff09\uff0c\u6298\u75d5\u533a\u57df\u6ca1\u6709\u50cf\u7d20\uff0c\u5b8c\u5168\u906e\u6321\u4e86\u5185\u5bb9\u3002\u5e94\u7528\u5fc5\u987b\u5728\u6b64\u533a\u57df\u7559\u767d\uff0c\u907f\u514d\u5185\u5bb9\u88ab\u201c\u5403\u6389\u201d <sup>4<\/sup>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5206\u9694\u5c5e\u6027 (IsSeparating)<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u7528\u4e8e\u5feb\u901f\u5224\u65ad\u6298\u75d5\u662f\u5426\u5e94\u8be5\u5c06\u7a97\u53e3\u5206\u5272\u4e3a\u4e24\u4e2a\u903b\u8f91\u533a\u57df\u3002\u5bf9\u4e8e <code>HALF_OPENED<\/code> \u72b6\u6001\uff0c<code>isSeparating<\/code> \u603b\u662f\u4e3a true\uff1b\u5bf9\u4e8e <code>FULL<\/code> \u906e\u6321\u7684\u94f0\u94fe\uff0c\u4e5f\u4e3a true\u3002\u8fd9\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9ad8\u5c42\u7ea7\u7684\u5224\u65ad\u4f9d\u636e\uff0c\u65e0\u9700\u5904\u7406\u6240\u6709\u5e95\u5c42\u7684\u72b6\u6001\u7ec4\u5408 <sup>3<\/sup>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90%EF%BC%9A%E6%8A%98%E5%8F%A0%E5%B1%8F%E8%AE%BE%E5%A4%87%E7%9A%84%E4%BA%A4%E4%BA%92%E8%AE%BE%E8%AE%A1%E4%B8%8E%E5%AE%9E%E7%8E%B0\"><\/span>4. \u6df1\u5ea6\u89e3\u6790\uff1a\u6298\u53e0\u5c4f\u8bbe\u5907\u7684\u4ea4\u4e92\u8bbe\u8ba1\u4e0e\u5b9e\u73b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7406\u89e3 API \u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u5982\u4f55\u5229\u7528\u8fd9\u4e9b API \u521b\u9020\u5353\u8d8a\u7684\u7528\u6237\u4f53\u9a8c\u624d\u662f\u6838\u5fc3\u3002\u6298\u53e0\u5c4f\u4e0d\u4ec5\u4ec5\u662f\u66f4\u5927\u7684\u5c4f\u5e55\uff0c\u5b83\u5f15\u5165\u4e86\u65b0\u7684\u7269\u7406\u4ea4\u4e92\u7ef4\u5ea6\u3002\u672c\u7ae0\u5c06\u63a2\u8ba8\u5982\u4f55\u5229\u7528 <code>WindowManager<\/code> \u5b9e\u73b0\u9ad8\u7ea7\u6298\u53e0\u4ea4\u4e92\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"41_%E6%A1%8C%E9%9D%A2%E6%A8%A1%E5%BC%8F%EF%BC%88Tabletop_Mode%EF%BC%89%E7%9A%84%E5%AE%9E%E7%8E%B0%E9%80%BB%E8%BE%91\"><\/span>4.1 \u684c\u9762\u6a21\u5f0f\uff08Tabletop Mode\uff09\u7684\u5b9e\u73b0\u903b\u8f91<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u684c\u9762\u6a21\u5f0f\u662f\u6298\u53e0\u5c4f\u6700\u5f15\u4eba\u6ce8\u76ee\u7684\u7279\u6027\u4e4b\u4e00\u3002\u5f53\u7528\u6237\u5c06\u624b\u673a\u6298\u53e0\u6210 L \u578b\u653e\u5728\u684c\u9762\u4e0a\u65f6\uff0c\u5e94\u7528\u5e94\u5f53\u81ea\u52a8\u9002\u5e94\u3002<\/p>\n\n\n\n<p>\u5b9e\u73b0\u7b97\u6cd5\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u76d1\u542c <code>WindowLayoutInfo<\/code> \u6d41\u3002<\/li>\n\n\n\n<li>\u904d\u5386 <code>displayFeatures<\/code> \u5bfb\u627e <code>FoldingFeature<\/code>\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5 <code>feature.state == HALF_OPENED<\/code> \u4e14 <code>feature.orientation == HORIZONTAL<\/code>\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u6761\u4ef6\u6ee1\u8db3\uff0c\u83b7\u53d6 <code>feature.bounds<\/code>\u3002<\/li>\n\n\n\n<li>\u8c03\u6574\u5e03\u5c40\u53c2\u6570\uff1a\u5c06\u89c6\u9891\u64ad\u653e\u533a\u57df\u7684\u9ad8\u5ea6\u8bbe\u7f6e\u4e3a <code>feature.bounds.top<\/code>\uff08\u5373\u6298\u75d5\u4e0a\u65b9\uff09\uff0c\u5c06\u63a7\u5236\u9762\u677f\uff08\u64ad\u653e\/\u6682\u505c\u6309\u94ae\uff09\u7684\u9876\u90e8\u8fb9\u8ddd\u8bbe\u7f6e\u4e3a <code>feature.bounds.bottom<\/code>\uff08\u5373\u6298\u75d5\u4e0b\u65b9\uff09\u3002<\/li>\n\n\n\n<li>\u786e\u4fdd\u89c6\u9891\u548c\u63a7\u4ef6\u90fd\u4e0d\u4e0e <code>feature.bounds<\/code> \u91cd\u53e0\uff0c\u4ee5\u9632\u5728\u7269\u7406\u94f0\u94fe\u8bbe\u5907\u4e0a\u88ab\u906e\u6321\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u79cd\u81ea\u9002\u5e94\u884c\u4e3a\u65e0\u9700\u7528\u6237\u624b\u52a8\u5207\u6362\uff0c\u5b8c\u5168\u7531\u786c\u4ef6\u72b6\u6001\u9a71\u52a8\uff0c\u4f53\u73b0\u4e86\u201c\u73af\u5883\u8ba1\u7b97\u201d\u7684\u8bbe\u8ba1\u7406\u5ff5 <sup>6<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"42_%E4%B9%A6%E6%9C%AC%E6%A8%A1%E5%BC%8F%EF%BC%88Book_Mode%EF%BC%89%E4%B8%8E%E5%86%85%E5%AE%B9%E5%88%86%E6%A0%8F\"><\/span>4.2 \u4e66\u672c\u6a21\u5f0f\uff08Book Mode\uff09\u4e0e\u5185\u5bb9\u5206\u680f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u8bbe\u5907\u5782\u76f4\u6298\u53e0\u5904\u4e8e\u534a\u5f00\u72b6\u6001\u65f6\uff0c\u7528\u6237\u4eff\u4f5b\u5728\u9605\u8bfb\u4e00\u672c\u4e66\u3002\u5bf9\u4e8e\u7535\u5b50\u4e66\u5e94\u7528\u6216\u53cc\u9875\u6587\u6863\u7f16\u8f91\u5668\uff0c\u5229\u7528 <code>FoldingFeature<\/code> \u7684\u5782\u76f4\u5206\u5272\u7ebf\uff0c\u5c06\u5185\u5bb9\u7cbe\u786e\u5730\u6e32\u67d3\u5728\u5de6\u53f3\u4e24\u5757\u201c\u7eb8\u5f20\u201d\u4e0a\uff0c\u907f\u514d\u6587\u5b57\u8de8\u8d8a\u4e2d\u7f1d\u9020\u6210\u7684\u9605\u8bfb\u969c\u788d\uff0c\u662f\u63d0\u5347\u4f53\u9a8c\u7684\u5173\u952e\u7ec6\u8282\u3002<code>WindowManager<\/code> \u63d0\u4f9b\u7684 <code>bounds<\/code> \u77e9\u5f62\u4e0d\u4ec5\u5b9a\u4e49\u4e86\u5206\u5272\u7ebf\u7684\u4f4d\u7f6e\uff0c\u8fd8\u5b9a\u4e49\u4e86\u5176\u5bbd\u5ea6\uff0c\u786e\u4fdd\u4e86\u6392\u7248\u7684\u7cbe\u786e\u6027 <sup>3<\/sup>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Activity_Embedding%EF%BC%9A%E9%81%97%E7%95%99%E6%9E%B6%E6%9E%84%E7%9A%84%E7%8E%B0%E4%BB%A3%E5%8C%96%E6%A1%A5%E6%A2%81\"><\/span>5. Activity Embedding\uff1a\u9057\u7559\u67b6\u6784\u7684\u73b0\u4ee3\u5316\u6865\u6881<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728 Android \u5e73\u677f\u751f\u6001\u590d\u5174\u7684\u80cc\u666f\u4e0b\uff0c\u6570\u4ee5\u4e07\u8ba1\u7684\u5b58\u91cf\u5e94\u7528\u9762\u4e34\u5de8\u5927\u7684\u91cd\u6784\u538b\u529b\u3002\u8fd9\u4e9b\u5e94\u7528\u5927\u591a\u91c7\u7528\u4f20\u7edf\u7684\u201c\u591a Activity\u201d\u67b6\u6784\uff08\u6bcf\u4e2a\u9875\u9762\u662f\u4e00\u4e2a\u72ec\u7acb\u7684 Activity\uff09\u3002\u8981\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u9002\u5e94\u5927\u5c4f\u7684\u201c\u5355 Activity \u591a Fragment\u201d\u6216 Jetpack Compose \u67b6\u6784\uff0c\u6210\u672c\u6781\u5176\u9ad8\u6602\u3002Google \u63a8\u51fa\u7684 Activity Embedding\uff08\u6d3b\u52a8\u5d4c\u5165\uff09\u6280\u672f\uff0c\u4f9d\u6258\u4e8e WindowManager \u5e93\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u201c\u96f6\u91cd\u6784\u201d\u5b9e\u73b0\u5206\u5c4f\u5e03\u5c40\u7684\u65b9\u6848 <sup>11<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"51_%E6%9E%B6%E6%9E%84%E5%8E%9F%E7%90%86\"><\/span>5.1 \u67b6\u6784\u539f\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Activity Embedding \u5141\u8bb8\u5728\u540c\u4e00\u4e2a\u4efb\u52a1\u6808\uff08Task\uff09\u4e0b\u7684\u591a\u4e2a Activity \u5e76\u6392\u663e\u793a\u5728\u540c\u4e00\u4e2a\u5e94\u7528\u7a97\u53e3\u4e2d\u3002\u7cfb\u7edf\u754c\u9762\u5c42\u7ea7\uff08System UI\uff09\u5c06\u4efb\u52a1\u7a97\u53e3\u5206\u5272\u4e3a\u4e24\u4e2a\u5bb9\u5668\uff08Primary \u548c Secondary\uff09\uff0c\u5e76\u6839\u636e\u5f00\u53d1\u8005\u5b9a\u4e49\u7684\u89c4\u5219\u5c06 Activity \u6ce8\u5165\u5230\u8fd9\u4e9b\u5bb9\u5668\u4e2d\u3002\u8fd9\u4e00\u5207\u5bf9 Activity \u672c\u8eab\u662f\u900f\u660e\u7684\uff0c\u5b83\u4eec\u4f9d\u65e7\u4fdd\u6301\u7740\u539f\u6709\u7684\u751f\u547d\u5468\u671f\u548c\u4e0a\u4e0b\u6587\u9694\u79bb <sup>11<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"52_%E9%9D%99%E6%80%81%E8%A7%84%E5%88%99%E9%85%8D%E7%BD%AE%EF%BC%88XML_Configuration%EF%BC%89\"><\/span>5.2 \u9759\u6001\u89c4\u5219\u914d\u7f6e\uff08XML Configuration\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6700\u63a8\u8350\u7684\u96c6\u6210\u65b9\u5f0f\u662f\u901a\u8fc7 XML \u8d44\u6e90\u6587\u4ef6\u5b9a\u4e49\u9759\u6001\u89c4\u5219\u3002\u8fd9\u901a\u5e38\u4f4d\u4e8e res\/xml\/main_split_config.xml\u3002<\/p>\n\n\n\n<p>\u6838\u5fc3\u89c4\u5219\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SplitPairRule\uff08\u6210\u5bf9\u89c4\u5219\uff09<\/strong>\uff1a\u5b9a\u4e49\u54ea\u4e24\u4e2a Activity \u5e94\u8be5\u5e76\u6392\u663e\u793a\u3002\u4f8b\u5982\uff0c<code>ListActivity<\/code> \u548c <code>DetailActivity<\/code>\u3002\n<ul class=\"wp-block-list\">\n<li><strong>splitRatio<\/strong>\uff1a\u5b9a\u4e49\u5206\u5c4f\u6bd4\u4f8b\u30020.3 \u8868\u793a\u4e3b\u5bb9\u5668\u5360 30%\uff0c0.7 \u8868\u793a\u5360 70%\u3002<\/li>\n\n\n\n<li><strong>finishPrimaryWithSecondary<\/strong>\uff1a\u5b9a\u4e49\u5f53\u6b21\u8981 Activity \u7ed3\u675f\u65f6\uff0c\u4e3b\u8981 Activity \u662f\u5426\u968f\u4e4b\u7ed3\u675f\u3002\u901a\u5e38\u8bbe\u4e3a <code>false<\/code>\uff0c\u4f46\u5728\u67d0\u4e9b\u5411\u5bfc\u6d41\u7a0b\u4e2d\u53ef\u80fd\u8bbe\u4e3a <code>true<\/code>\u3002<\/li>\n\n\n\n<li><strong>finishSecondaryWithPrimary<\/strong>\uff1a\u5b9a\u4e49\u5f53\u4e3b\u8981 Activity \u7ed3\u675f\u65f6\uff0c\u6b21\u8981 Activity \u7684\u884c\u4e3a\u3002\u901a\u5e38\u8bbe\u4e3a <code>true<\/code>\uff0c\u4ee5\u907f\u514d\u8be6\u60c5\u9875\u5b64\u7acb\u5b58\u5728\u3002<\/li>\n\n\n\n<li><strong>minWidthDp<\/strong>\uff1a\u5b9a\u4e49\u89e6\u53d1\u5206\u5c4f\u7684\u6700\u5c0f\u5bbd\u5ea6\u9608\u503c\uff08\u5982 600dp\uff09\u3002\u5c0f\u4e8e\u6b64\u5bbd\u5ea6\u65f6\uff0c\u7cfb\u7edf\u81ea\u52a8\u56de\u9000\u5230\u4f20\u7edf\u7684\u5806\u53e0\u6a21\u5f0f <sup>11<\/sup>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>SplitPlaceholderRule\uff08\u5360\u4f4d\u89c4\u5219\uff09<\/strong>\uff1a\u89e3\u51b3\u5927\u5c4f\u521d\u59cb\u5316\u65f6\u7684\u7a7a\u767d\u95ee\u9898\u3002\u5f53\u7528\u6237\u5728\u5927\u5c4f\u4e0a\u6253\u5f00\u5e94\u7528\u4e14\u5c1a\u672a\u9009\u62e9\u4efb\u4f55\u5217\u8868\u9879\u65f6\uff0c\u53f3\u4fa7\u4e0d\u5e94\u7559\u767d\u3002\u6b64\u89c4\u5219\u5141\u8bb8\u81ea\u52a8\u542f\u52a8\u4e00\u4e2a\u5360\u4f4d Activity\uff08\u5982\u201c\u8bf7\u9009\u62e9\u9879\u76ee\u201d\u7684\u63d0\u793a\u9875\uff09\uff0c\u586b\u5145\u6b21\u8981\u5bb9\u5668 <sup>11<\/sup>\u3002<\/li>\n\n\n\n<li><strong>ActivityRule\uff08\u72ec\u5360\u89c4\u5219\uff09<\/strong>\uff1a\u5b9a\u4e49\u54ea\u4e9b Activity \u6c38\u8fdc\u4e0d\u5e94\u88ab\u5206\u5c4f\uff0c\u800c\u662f\u5360\u636e\u6574\u4e2a\u7a97\u53e3\u3002\u4f8b\u5982\u5168\u5c4f\u89c6\u9891\u64ad\u653e\u9875\u3001\u767b\u5f55\u9875\u6216\u652f\u4ed8\u786e\u8ba4\u9875 <sup>11<\/sup>\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"53_%E8%BF%90%E8%A1%8C%E6%97%B6%E6%8E%A7%E5%88%B6%EF%BC%88Runtime_Controller%EF%BC%89\"><\/span>5.3 \u8fd0\u884c\u65f6\u63a7\u5236\uff08Runtime Controller\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u867d\u7136 XML \u8986\u76d6\u4e86 90% \u7684\u573a\u666f\uff0c\u4f46\u67d0\u4e9b\u590d\u6742\u4e1a\u52a1\u903b\u8f91\u9700\u8981\u52a8\u6001\u5e72\u9884\u3002<code>RuleController<\/code> \u63d0\u4f9b\u4e86\u8fd0\u884c\u65f6 API\uff1a<\/p>\n\n\n\n<p>Java<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">RuleController controller = RuleController.getInstance(context);\ncontroller.addRule(new SplitPairRule.Builder(...)\n   .setSplitRatio(0.4f)\n   .build());\n<\/pre>\n\n\n\n<p>\u8fd9\u5141\u8bb8\u5e94\u7528\u6839\u636e\u7528\u6237\u7684\u5b9e\u65f6\u64cd\u4f5c\uff08\u5982\u70b9\u51fb\u201c\u5c55\u5f00\u8be6\u60c5\u201d\u6309\u94ae\uff09\u6216\u540e\u7aef\u4e0b\u53d1\u7684\u914d\u7f6e\u52a8\u6001\u6539\u53d8\u5206\u5c4f\u7b56\u7565 <sup>11<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"54_%E7%8A%B6%E6%80%81%E7%9B%91%E5%90%AC%E4%B8%8E_UI_%E9%80%82%E9%85%8D\"><\/span>5.4 \u72b6\u6001\u76d1\u542c\u4e0e UI \u9002\u914d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><code>SplitController<\/code> \u5141\u8bb8\u5e94\u7528\u76d1\u542c\u5f53\u524d\u7684\u5206\u5c4f\u72b6\u6001\u3002\u8fd9\u5bf9\u4e8e UI \u7ec6\u8282\u7684\u5fae\u8c03\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728 <code>ListActivity<\/code> \u4e2d\uff0c\u5982\u679c\u5f53\u524d\u5904\u4e8e\u5206\u5c4f\u72b6\u6001\uff0c\u5217\u8868\u9879\u7684\u70b9\u51fb\u4e8b\u4ef6\u5e94\u8be5\u662f\u201c\u66f4\u65b0\u53f3\u4fa7 Fragment\/Activity\u201d\uff1b\u5982\u679c\u5904\u4e8e\u5355\u5c4f\u5806\u53e0\u72b6\u6001\uff0c\u70b9\u51fb\u4e8b\u4ef6\u5e94\u8be5\u662f\u201c\u542f\u52a8\u65b0 Activity\u201d\u3002\u5c3d\u7ba1 Activity Embedding \u65e8\u5728\u900f\u660e\u5316\uff0c\u4f46\u8fd9\u79cd\u7ec6\u5fae\u7684\u4ea4\u4e92\u5dee\u5f02\u4ecd\u9700\u901a\u8fc7 <code>SplitController.splitInfoList<\/code> \u6d41\u6765\u611f\u77e5\u548c\u9002\u914d <sup>13<\/sup>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Jetpack_Compose_%E4%B8%8E_Material_3_%E8%87%AA%E9%80%82%E5%BA%94%E5%B8%83%E5%B1%80\"><\/span>6. Jetpack Compose \u4e0e Material 3 \u81ea\u9002\u5e94\u5e03\u5c40<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5bf9\u4e8e\u65b0\u5f00\u53d1\u7684\u6a21\u5757\u6216\u5e94\u7528\uff0cJetpack Compose \u7ed3\u5408 Material 3 Adaptive \u5e93\u63d0\u4f9b\u4e86\u66f4\u52a0\u539f\u751f\u3001\u58f0\u660e\u5f0f\u7684\u81ea\u9002\u5e94\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u4ee3\u8868\u4e86 Android UI \u5f00\u53d1\u7684\u672a\u6765\u65b9\u5411\uff0c\u5b8c\u5168\u6452\u5f03\u4e86\u5bf9 XML \u5e03\u5c40\u548c\u624b\u52a8\u8ba1\u7b97\u5c3a\u5bf8\u7684\u4f9d\u8d56\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"61_WindowSizeClass%EF%BC%9A%E6%A0%87%E5%87%86%E5%8C%96%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%96%AD%E7%82%B9\"><\/span>6.1 WindowSizeClass\uff1a\u6807\u51c6\u5316\u7684\u8bbe\u8ba1\u65ad\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u89e3\u51b3\u5c4f\u5e55\u5c3a\u5bf8\u788e\u7247\u5316\u7684\u95ee\u9898\uff0cGoogle \u63a8\u51fa\u4e86\u4e00\u5957\u57fa\u4e8e\u201c\u65ad\u70b9\u201d\uff08Breakpoints\uff09\u7684\u6807\u51c6\u5316\u5206\u7c7b\u7cfb\u7edf\u2014\u2014WindowSizeClass\u3002\u5b83\u5c06\u65e0\u9650\u53d8\u5316\u7684\u5c4f\u5e55\u5c3a\u5bf8\u5f52\u7eb3\u4e3a\u4e09\u7c7b\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Compact (\u7d27\u51d1\u578b)<\/strong>\uff1a\u5bbd\u5ea6 &lt; 600dp\u3002\u5178\u578b\u573a\u666f\uff1a\u7ad6\u5c4f\u624b\u673a\u3002<\/li>\n\n\n\n<li><strong>Medium (\u4e2d\u578b)<\/strong>\uff1a600dp \u2264 \u5bbd\u5ea6 &lt; 840dp\u3002\u5178\u578b\u573a\u666f\uff1a\u6298\u53e0\u5c4f\u5c55\u5f00\u6001\u3001\u7ad6\u5c4f\u5e73\u677f\u3002<\/li>\n\n\n\n<li><strong>Expanded (\u6269\u5c55\u578b)<\/strong>\uff1a\u5bbd\u5ea6 \u2265 840dp\u3002\u5178\u578b\u573a\u666f\uff1a\u6a2a\u5c4f\u5e73\u677f\u3001\u684c\u9762\u6a21\u5f0f <sup>14<\/sup>\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5728 Compose \u4e2d\uff0c\u901a\u8fc7 <code>currentWindowAdaptiveInfo()<\/code> \u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u83b7\u53d6\u5f53\u524d\u7684 <code>WindowSizeClass<\/code>\u3002<\/p>\n\n\n\n<p>Kotlin<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">val adaptiveInfo = currentWindowAdaptiveInfo()\nwhen (adaptiveInfo.windowSizeClass.windowWidthSizeClass) {\n    WindowWidthSizeClass.COMPACT -> ShowBottomNavigation()\n    WindowWidthSizeClass.MEDIUM -> ShowNavigationRail()\n    WindowWidthSizeClass.EXPANDED -> ShowNavigationDrawer()\n}\n<\/pre>\n\n\n\n<p>\u8fd9\u79cd\u58f0\u660e\u5f0f\u7684\u903b\u8f91\u4f7f\u5f97\u54cd\u5e94\u5f0f\u5e03\u5c40\u7684\u4ee3\u7801\u6781\u5176\u7b80\u6d01\u4e14\u6613\u4e8e\u7ef4\u62a4\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8ba1\u7b97 WindowSizeClass \u9700\u8981\u4f9d\u8d56 <code>material3-adaptive<\/code> \u5e93\uff0c\u5e76\u4e14\u4e0d\u518d\u63a8\u8350\u624b\u52a8\u8fdb\u884c dp \u503c\u7684\u6bd4\u8f83\u8fd0\u7b97 <sup>15<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"62_%E8%A7%84%E8%8C%83%E5%8C%96%E5%B8%83%E5%B1%80%E7%BB%84%E4%BB%B6%EF%BC%88Canonical_Layouts%EF%BC%89\"><\/span>6.2 \u89c4\u8303\u5316\u5e03\u5c40\u7ec4\u4ef6\uff08Canonical Layouts\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Material 3 Adaptive \u5e93\u8fdb\u4e00\u6b65\u5c01\u88c5\u4e86\u901a\u7528\u7684\u81ea\u9002\u5e94\u6a21\u5f0f\uff0c\u63d0\u4f9b\u4e86\u5f00\u7bb1\u5373\u7528\u7684\u9ad8\u7ea7\u7ec4\u4ef6\uff08Composables\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"621_ListDetailPaneScaffold\"><\/span>6.2.1 ListDetailPaneScaffold<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u8fd9\u662f\u5b9e\u73b0\u201c\u5217\u8868-\u8be6\u60c5\u201d\u6a21\u5f0f\u7684\u6807\u51c6\u7ec4\u4ef6\u3002\u5b83\u5185\u90e8\u96c6\u6210\u4e86\u5bf9 <code>WindowSizeClass<\/code> \u548c <code>FoldingFeature<\/code> \u7684\u5904\u7406\u903b\u8f91\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u667a\u80fd\u5206\u5c4f<\/strong>\uff1a\u5728 Expanded \u6a21\u5f0f\u4e0b\u81ea\u52a8\u5e76\u6392\u663e\u793a\u5217\u8868\u548c\u8be6\u60c5\uff1b\u5728 Compact \u6a21\u5f0f\u4e0b\u81ea\u52a8\u5904\u7406\u4e3a\u5355\u9875\u5bfc\u822a\u3002<\/li>\n\n\n\n<li><strong>\u94f0\u94fe\u907f\u8ba9<\/strong>\uff1a\u5982\u679c\u68c0\u6d4b\u5230\u5782\u76f4\u94f0\u94fe\uff0c\u5b83\u4f1a\u81ea\u52a8\u5728\u4e24\u4e2a\u9762\u677f\u4e4b\u95f4\u589e\u52a0\u95f4\u8ddd\uff08Spacer\uff09\uff0c\u907f\u514d\u5185\u5bb9\u88ab\u906e\u6321\u3002<\/li>\n\n\n\n<li><strong>\u72b6\u6001\u4fdd\u5b58<\/strong>\uff1a\u7ec4\u4ef6\u5185\u90e8\u901a\u8fc7 <code>ThreePaneScaffoldNavigator<\/code> \u7ba1\u7406\u5bfc\u822a\u72b6\u6001\uff0c\u786e\u4fdd\u65cb\u8f6c\u5c4f\u5e55\u65f6\uff0c\u7528\u6237\u6240\u5904\u7684\u5c42\u7ea7\u548c\u9009\u4e2d\u9879\u4e0d\u4f1a\u4e22\u5931 <sup>17<\/sup>\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"622_NavigableListDetailPaneScaffold\"><\/span>6.2.2 NavigableListDetailPaneScaffold<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u8fd9\u662f <code>ListDetailPaneScaffold<\/code> \u7684\u589e\u5f3a\u7248\uff0c\u6df1\u5ea6\u96c6\u6210\u4e86 Compose Navigation\u3002\u5b83\u89e3\u51b3\u4e86\u81ea\u9002\u5e94\u5e03\u5c40\u4e2d\u6700\u68d8\u624b\u7684\u201c\u6df1\u5c42\u94fe\u63a5\u201d\uff08Deep Linking\uff09\u548c\u201c\u56de\u9000\u6808\u201d\uff08Back Stack\uff09\u7ba1\u7406\u95ee\u9898\u3002\u5728\u5355\u5c4f\u6a21\u5f0f\u4e0b\uff0c\u6309\u8fd4\u56de\u952e\u662f\u201c\u8fd4\u56de\u5217\u8868\u201d\uff1b\u5728\u53cc\u5c4f\u6a21\u5f0f\u4e0b\uff0c\u6309\u8fd4\u56de\u952e\u53ef\u80fd\u662f\u201c\u9000\u51fa\u5e94\u7528\u201d\u6216\u201c\u53d6\u6d88\u9009\u4e2d\u201d\u3002<code>NavigableListDetailPaneScaffold<\/code> \u62bd\u8c61\u4e86\u8fd9\u4e9b\u5dee\u5f02\uff0c\u5f00\u53d1\u8005\u53ea\u9700\u5173\u6ce8\u4e1a\u52a1\u903b\u8f91 <sup>19<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"63_%E5%A3%B0%E6%98%8E%E5%BC%8F%E6%8A%98%E5%8F%A0%E6%84%9F%E7%9F%A5\"><\/span>6.3 \u58f0\u660e\u5f0f\u6298\u53e0\u611f\u77e5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728 Compose \u4e2d\uff0c\u83b7\u53d6\u6298\u53e0\u72b6\u6001\u53d8\u5f97\u5f02\u5e38\u7b80\u5355\u3002<code>currentWindowAdaptiveInfo().windowPosture<\/code> \u76f4\u63a5\u66b4\u9732\u4e86\u8bbe\u5907\u7684\u59ff\u6001\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>Kotlin<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">val posture = currentWindowAdaptiveInfo().windowPosture\nval isTabletop = posture.isTabletop\n<\/pre>\n\n\n\n<p>\u5f00\u53d1\u8005\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u5e03\u5c14\u503c\u76f4\u63a5\u4f20\u9012\u7ed9 Composable \u51fd\u6570\uff0c\u5229\u7528 Compose \u7684\u91cd\u7ec4\uff08Recomposition\uff09\u673a\u5236\uff0c\u5728\u8bbe\u5907\u6298\u53e0\u65f6\u81ea\u52a8\u5237\u65b0 UI\uff0c\u65e0\u9700\u624b\u52a8\u7ba1\u7406\u7e41\u7410\u7684\u76d1\u542c\u5668\u6ce8\u518c\u4e0e\u6ce8\u9500 <sup>15<\/sup>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_%E8%B4%A8%E9%87%8F%E4%BF%9D%E9%9A%9C%EF%BC%9A%E8%87%AA%E9%80%82%E5%BA%94_UI_%E7%9A%84%E6%B5%8B%E8%AF%95%E7%AD%96%E7%95%A5\"><\/span>7. \u8d28\u91cf\u4fdd\u969c\uff1a\u81ea\u9002\u5e94 UI \u7684\u6d4b\u8bd5\u7b56\u7565<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u9ad8\u5ea6\u52a8\u6001\u7684\u786c\u4ef6\u73af\u5883\u4e2d\uff0c\u786e\u4fdd\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u662f\u4e00\u9879\u5de8\u5927\u7684\u6311\u6218\u3002\u4f9d\u8d56\u771f\u673a\u6d4b\u8bd5\u4e0d\u4ec5\u6210\u672c\u9ad8\u6602\uff0c\u800c\u4e14\u96be\u4ee5\u8986\u76d6\u6240\u6709\u8fb9\u7f18\u60c5\u51b5\uff08\u5982\u7279\u5b9a\u7684\u94f0\u94fe\u89d2\u5ea6\u6216\u77ac\u95f4\u7684\u914d\u7f6e\u53d8\u5316\uff09\u3002Jetpack WindowManager \u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u6d4b\u8bd5\u5de5\u4ef6 <code>androidx.window:window-testing<\/code>\uff0c\u4f7f\u5f97\u5728\u6807\u51c6\u73af\u5883\u751a\u81f3 JVM \u4e0a\u6a21\u62df\u590d\u6742\u786c\u4ef6\u884c\u4e3a\u6210\u4e3a\u53ef\u80fd <sup>21<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"71_%E5%8D%95%E5%85%83%E6%B5%8B%E8%AF%95%E4%B8%8E%E6%9E%B6%E6%9E%84%E8%A7%A3%E8%80%A6\"><\/span>7.1 \u5355\u5143\u6d4b\u8bd5\u4e0e\u67b6\u6784\u89e3\u8026<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6d4b\u8bd5\u81ea\u9002\u5e94 UI \u7684\u7b2c\u4e00\u539f\u5219\u662f\u67b6\u6784\u89e3\u8026\u3002UI \u5c42\u4e0d\u5e94\u76f4\u63a5\u4f9d\u8d56 Android \u7cfb\u7edf\u670d\u52a1\u3002\u6700\u4f73\u5b9e\u8df5\u662f\u521b\u5efa\u4e00\u4e2a WindowInfoRepository \u63a5\u53e3\uff0c\u5e76\u5728\u6d4b\u8bd5\u4e2d\u63d0\u4f9b\u6a21\u62df\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u9a8c\u8bc1 ViewModel \u7684\u903b\u8f91\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u201c\u5f53 Repository \u53d1\u5c04 HALF_OPENED \u72b6\u6001\u65f6\uff0cViewModel \u662f\u5426\u5c06 isTabletopMode \u72b6\u6001\u7f6e\u4e3a true\uff1f\u201d\u8fd9\u79cd\u7eaf\u903b\u8f91\u6d4b\u8bd5\u53ef\u4ee5\u5728 JVM \u4e0a\u6beb\u79d2\u7ea7\u8fd0\u884c\uff0c\u65e0\u9700\u542f\u52a8\u6a21\u62df\u5668 23\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"72_UI_%E6%B5%8B%E8%AF%95%E4%B8%8E_WindowLayoutInfoPublisherRule\"><\/span>7.2 UI \u6d4b\u8bd5\u4e0e WindowLayoutInfoPublisherRule<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u5fc5\u987b\u5728 Android \u73af\u5883\u4e2d\u8fd0\u884c\u7684 Instrumented Tests\uff08UI \u6d4b\u8bd5\uff09\uff0c<code>WindowLayoutInfoPublisherRule<\/code> \u662f\u6838\u5fc3\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u6d4b\u8bd5\u4ee3\u7801\u201c\u52ab\u6301\u201d\u7cfb\u7edf\u7684\u7a97\u53e3\u4fe1\u606f\u6d41\uff0c\u6ce8\u5165\u4f2a\u9020\u7684\u6570\u636e <sup>25<\/sup>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%9E%E6%88%98%E6%BC%94%E7%BB%83%EF%BC%9A%E6%B5%8B%E8%AF%95%E6%A1%8C%E9%9D%A2%E6%A8%A1%E5%BC%8F\"><\/span>\u5b9e\u6218\u6f14\u7ec3\uff1a\u6d4b\u8bd5\u684c\u9762\u6a21\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u6d4b\u8bd5\u89c6\u9891\u64ad\u653e\u5668\u5728\u6298\u53e0\u65f6\u7684\u5e03\u5c40\u8c03\u6574\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u8bbe\u7f6e\u89c4\u5219<\/strong>\uff1a\u5728\u6d4b\u8bd5\u7c7b\u4e2d\u5e94\u7528 <code>WindowLayoutInfoPublisherRule<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6784\u5efa\u4f2a\u9020\u7279\u5f81<\/strong>\uff1a\u521b\u5efa\u4e00\u4e2a <code>FoldingFeature<\/code> \u5bf9\u8c61\uff0c\u8bbe\u5b9a\u4e3a <code>HALF_OPENED<\/code> \u548c <code>HORIZONTAL<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6ce8\u5165\u6570\u636e<\/strong>\uff1a\u8c03\u7528 <code>publisherRule.overrideWindowLayoutInfo(expectedInfo)<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u9a8c\u8bc1 UI<\/strong>\uff1a\u4f7f\u7528 Espresso \u6216 Compose Test API \u68c0\u67e5\u64ad\u653e\u63a7\u4ef6\u7684\u4f4d\u7f6e\u3002Kotlin<code>onView(withId(R.id.controls)) .check(PositionAssertions.isCompletelyBelow(withId(R.id.video_surface)))<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u9700\u8981\u7269\u7406\u6298\u53e0\u5c4f\u8bbe\u5907\uff0c\u751a\u81f3\u53ef\u4ee5\u5728\u666e\u901a\u7684 x86 \u6a21\u62df\u5668\u4e0a\u8fd0\u884c\uff0c\u6781\u5927\u5730\u964d\u4f4e\u4e86 CI\/CD \u7684\u95e8\u69db <sup>26<\/sup>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"73_Robolectric_%E7%9A%84%E9%9B%86%E6%88%90\"><\/span>7.3 Robolectric \u7684\u96c6\u6210<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Robolectric \u80fd\u591f\u5728\u5176\u6c99\u76d2\u73af\u5883\u4e2d\u6a21\u62df Android \u6846\u67b6\u884c\u4e3a\uff0c\u662f\u8fd0\u884c\u901f\u5ea6\u4e0e\u771f\u5b9e\u5ea6\u4e4b\u95f4\u7684\u5e73\u8861\u70b9\u3002\u901a\u8fc7\u914d\u7f6e <code>RuntimeEnvironment.setQualifiers(\"w1000dp-h1000dp\")<\/code>\uff0cRobolectric \u53ef\u4ee5\u6a21\u62df\u4e0d\u540c\u5c3a\u5bf8\u7684\u5c4f\u5e55\uff0c\u89e6\u53d1 <code>WindowMetrics<\/code> \u7684\u53d8\u5316\u3002\u7ed3\u5408 <code>WindowLayoutInfoPublisherRule<\/code>\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u672c\u5730\u5de5\u4f5c\u7ad9\u4e0a\u5feb\u901f\u9a8c\u8bc1\u5206\u5c4f\u903b\u8f91\u3001\u6298\u53e0\u54cd\u5e94\u903b\u8f91\u4ee5\u53ca\u4e0d\u540c\u5c4f\u5e55\u5bc6\u5ea6\u4e0b\u7684\u5e03\u5c40\u8868\u73b0\uff0c\u5f62\u6210\u9ad8\u6548\u7684\u6d4b\u8bd5\u95ed\u73af <sup>27<\/sup>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_%E5%B7%A5%E7%A8%8B%E5%AE%9E%E8%B7%B5%E6%8C%87%E5%8D%97%E4%B8%8E%E8%BF%81%E7%A7%BB%E8%B7%AF%E7%BA%BF%E5%9B%BE\"><\/span>8. \u5de5\u7a0b\u5b9e\u8df5\u6307\u5357\u4e0e\u8fc1\u79fb\u8def\u7ebf\u56fe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"81_%E4%BE%9D%E8%B5%96%E7%AE%A1%E7%90%86%E4%B8%8E%E7%89%88%E6%9C%AC%E7%AD%96%E7%95%A5\"><\/span>8.1 \u4f9d\u8d56\u7ba1\u7406\u4e0e\u7248\u672c\u7b56\u7565<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>WindowManager \u5e93\u9075\u5faa\u8bed\u4e49\u5316\u7248\u672c\u63a7\u5236\u3002\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u7a33\u5b9a\u6027\u4e0e\u65b0\u7279\u6027\u7684\u5e73\u8861\uff0c\u5efa\u8bae\u5982\u4e0b\u914d\u7f6e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6838\u5fc3\u5e93<\/strong>\uff1a<code>implementation \"androidx.window:window:1.5.0\"<\/code>\uff08\u83b7\u53d6\u6700\u65b0\u7684\u7a33\u5b9a API\uff0c\u5982 <code>WindowMetricsCalculator<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6d4b\u8bd5\u5e93<\/strong>\uff1a<code>androidTestImplementation \"androidx.window:window-testing:1.5.0\"<\/code>\u3002<\/li>\n\n\n\n<li><strong>Compose \u9002\u914d<\/strong>\uff1a<code>implementation \"androidx.compose.material3:material3-adaptive:1.0.0\"<\/code>\u3002<\/li>\n\n\n\n<li><strong>Kotlin \u534f\u7a0b\u652f\u6301<\/strong>\uff1a<code>implementation \"androidx.lifecycle:lifecycle-runtime-ktx:2.6.2\"<\/code>\uff08\u7528\u4e8e\u6d41\u7684\u6536\u96c6\uff09<sup>21<\/sup>\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"82_%E8%BF%81%E7%A7%BB%E8%B7%AF%E7%BA%BF%E5%9B%BE_Migration_Roadmap\"><\/span>8.2 \u8fc1\u79fb\u8def\u7ebf\u56fe (Migration Roadmap)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u73b0\u6709\u7684\u5e9e\u5927\u4ee3\u7801\u5e93\uff0c\u5efa\u8bae\u91c7\u53d6\u5206\u9636\u6bb5\u7684\u8fc1\u79fb\u7b56\u7565\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u9636\u6bb5<\/strong><\/td><td><strong>\u76ee\u6807<\/strong><\/td><td><strong>\u5173\u952e\u884c\u52a8<\/strong><\/td><td><strong>\u98ce\u9669\u63a7\u5236<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u9636\u6bb5\u4e00<\/strong><\/td><td><strong>\u5c3a\u5bf8\u611f\u77e5\u73b0\u4ee3\u5316<\/strong><\/td><td>\u5c06\u6240\u6709 <code>DisplayMetrics<\/code> \u8c03\u7528\u66ff\u6362\u4e3a <code>WindowMetricsCalculator<\/code>\u3002<\/td><td>\u91cd\u70b9\u56de\u5f52\u6d4b\u8bd5 Popups\u3001Dialogs \u7684\u5b9a\u4f4d\u903b\u8f91\u3002<\/td><\/tr><tr><td><strong>\u9636\u6bb5\u4e8c<\/strong><\/td><td><strong>\u57fa\u7840\u6298\u53e0\u652f\u6301<\/strong><\/td><td>\u96c6\u6210 <code>WindowInfoTracker<\/code>\uff0c\u786e\u4fdd\u5728\u6298\u53e0\u8bbe\u5907\u4e0a\u65e0 crash\uff0c\u4e3b\u8981\u5185\u5bb9\u4e0d\u88ab\u94f0\u94fe\u906e\u6321\u3002<\/td><td>\u4f7f\u7528 <code>FoldingFeature<\/code> \u7684 <code>occlusionType<\/code> \u8fdb\u884c\u9632\u5fa1\u6027\u7f16\u7a0b\u3002<\/td><\/tr><tr><td><strong>\u9636\u6bb5\u4e09<\/strong><\/td><td><strong>\u5927\u5c4f\u9002\u914d (Legacy)<\/strong><\/td><td>\u4e3a\u591a Activity \u6a21\u5757\u5f15\u5165 Activity Embedding\uff0c\u914d\u7f6e XML \u89c4\u5219\u3002<\/td><td>\u9a8c\u8bc1\u6df1\u5c42\u94fe\u63a5\u8df3\u8f6c\u548c\u8fd4\u56de\u6808\u884c\u4e3a\u3002<\/td><\/tr><tr><td><strong>\u9636\u6bb5\u56db<\/strong><\/td><td><strong>\u5b8c\u5168\u81ea\u9002\u5e94 (Modern)<\/strong><\/td><td>\u5728\u65b0\u529f\u80fd\u4e2d\u4f7f\u7528 Compose \u548c Canonical Layouts\uff0c\u5b9e\u73b0\u50cf\u7d20\u7ea7\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u3002<\/td><td>\u9010\u6b65\u5e9f\u5f03 XML \u5e03\u5c40\u6587\u4ef6\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"83_%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5%E4%B8%8E%E9%81%BF%E5%9D%91%E6%8C%87%E5%8D%97_Dos_and_Donts\"><\/span>8.3 \u6700\u4f73\u5b9e\u8df5\u4e0e\u907f\u5751\u6307\u5357 (Do&#8217;s and Don&#8217;ts)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Do<\/strong>: <strong>\u59cb\u7ec8\u51cf\u53bb Insets<\/strong>\u3002<code>WindowMetrics.bounds<\/code> \u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u5ffd\u7565 <code>WindowInsets<\/code> \u4f1a\u5bfc\u81f4\u5185\u5bb9\u88ab\u72b6\u6001\u680f\u906e\u76d6\u6216\u5e03\u5c40\u5e95\u90e8\u88ab\u622a\u65ad <sup>2<\/sup>\u3002<\/li>\n\n\n\n<li><strong>Do<\/strong>: <strong>\u5904\u7406\u914d\u7f6e\u53d8\u66f4<\/strong>\u3002\u4e0d\u8981\u5728 <code>AndroidManifest.xml<\/code> \u4e2d\u6ee5\u7528 <code>android:configChanges=\"screenSize|orientation\"<\/code> \u6765\u8bd5\u56fe\u963b\u6b62 Activity \u91cd\u542f\uff0c\u9664\u975e\u4f60\u786e\u5b9e\u624b\u52a8\u5904\u7406\u4e86\u6240\u6709\u5e03\u5c40\u5237\u65b0\u903b\u8f91\u3002\u6b63\u786e\u7684\u505a\u6cd5\u662f\u8ba9 Activity \u91cd\u542f\uff0c\u6216\u4f7f\u7528 ViewModel \u4fdd\u5b58\u72b6\u6001 <sup>30<\/sup>\u3002<\/li>\n\n\n\n<li><strong>Don&#8217;t<\/strong>: <strong>\u5047\u8bbe FLAT \u7b49\u4e8e\u201c\u666e\u901a\u624b\u673a\u201d<\/strong>\u3002\u5e73\u677f\u7535\u8111\u5c55\u5f00\u662f FLAT\uff0c\u6298\u53e0\u5c4f\u5168\u5f00\u4e5f\u662f FLAT\u3002\u5e03\u5c40\u51b3\u7b56\u5e94\u57fa\u4e8e <code>WindowSizeClass<\/code>\uff08\u5bbd\u5ea6\u7684\u591a\u5c11\uff09\uff0c\u800c\u975e\u7269\u7406\u59ff\u6001 <sup>9<\/sup>\u3002<\/li>\n\n\n\n<li><strong>Don&#8217;t<\/strong>: <strong>\u7f13\u5b58 WindowMetrics<\/strong>\u3002\u7a97\u53e3\u5c3a\u5bf8\u5728\u684c\u9762\u6a21\u5f0f\u6216\u5206\u5c4f\u8c03\u6574\u65f6\u53d8\u5316\u6781\u5176\u9891\u7e41\u3002\u5fc5\u987b\u5728\u6bcf\u6b21 <code>onConfigurationChanged<\/code> \u6216\u91cd\u7ec4\u65f6\u83b7\u53d6\u6700\u65b0\u503c <sup>14<\/sup>\u3002<\/li>\n\n\n\n<li><strong>Don&#8217;t<\/strong>: <strong>\u5ffd\u89c6\u8f93\u5165\u8bbe\u5907<\/strong>\u3002\u5927\u5c4f\u8bbe\u5907\u5e38\u8fde\u63a5\u952e\u76d8\u9f20\u6807\u3002\u786e\u4fdd UI \u652f\u6301 Tab \u952e\u5bfc\u822a\u3001\u9f20\u6807\u60ac\u505c\u72b6\u6001\uff08Hover States\uff09\u4ee5\u53ca\u53f3\u952e\u4e0a\u4e0b\u6587\u83dc\u5355\uff0c\u8fd9\u662f\u63d0\u5347\u684c\u9762\u7ea7\u4f53\u9a8c\u7684\u5173\u952e <sup>31<\/sup>\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_%E7%BB%93%E8%AE%BA%E4%B8%8E%E5%B1%95%E6%9C%9B\"><\/span>9. \u7ed3\u8bba\u4e0e\u5c55\u671b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Jetpack WindowManager \u7684\u63a8\u51fa\uff0c\u6807\u5fd7\u7740 Android \u5f00\u53d1\u751f\u6001\u7684\u6210\u719f\u4e0e\u8fdb\u5316\u3002\u5b83\u4e0d\u4ec5\u89e3\u51b3\u4e86\u957f\u671f\u5b58\u5728\u7684\u5c4f\u5e55\u788e\u7247\u5316\u75db\u70b9\uff0c\u66f4\u901a\u8fc7\u62bd\u8c61\u7269\u7406\u786c\u4ef6\u7684\u590d\u6742\u6027\uff0c\u4e3a\u5f00\u53d1\u8005\u91ca\u653e\u4e86\u65e0\u9650\u7684\u521b\u610f\u7a7a\u95f4\u3002\u4ece\u7cbe\u786e\u7684\u7a97\u53e3\u5ea6\u91cf\u5230\u7075\u52a8\u7684\u6298\u53e0\u4ea4\u4e92\uff0c\u4ece Activity Embedding \u7684\u517c\u5bb9\u5e76\u5305\u5230 Compose Adaptive \u7684\u524d\u77bb\u8bbe\u8ba1\uff0c\u8fd9\u5957\u5de5\u5177\u94fe\u6784\u5efa\u4e86\u4e00\u4e2a\u517c\u987e\u5386\u53f2\u5305\u88b1\u4e0e\u672a\u6765\u8d8b\u52bf\u7684\u5b8c\u6574\u6280\u672f\u95ed\u73af\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u638c\u63e1 WindowManager \u4e0d\u518d\u662f\u4e00\u4e2a\u53ef\u9009\u9879\uff0c\u800c\u662f\u6784\u5efa\u73b0\u4ee3 Android \u5e94\u7528\u7684\u5fc5\u5907\u6280\u80fd\u3002\u968f\u7740 Android 12L \u53ca\u540e\u7eed\u7248\u672c\u5bf9\u5927\u5c4f\u4f53\u9a8c\u7684\u6301\u7eed\u52a0\u7801\uff0c\u4ee5\u53ca OEM \u5382\u5546\u5728\u6298\u53e0\u5c4f\u9886\u57df\u7684\u6fc0\u70c8\u7ade\u4e89\uff0c\u65e0\u6cd5\u9002\u5e94\u591a\u7a97\u53e3\u73af\u5883\u7684\u5e94\u7528\u7ec8\u5c06\u88ab\u7528\u6237\u629b\u5f03\u3002<\/p>\n\n\n\n<p>\u672a\u6765\uff0c\u968f\u7740 Android \u684c\u9762\u6a21\u5f0f\u7684\u8fdb\u4e00\u6b65\u5b8c\u5584\u4ee5\u53ca\u8de8\u8bbe\u5907\u6d41\u8f6c\uff08Cross-device streaming\uff09\u6280\u672f\u7684\u666e\u53ca\uff0c&#8221;\u7a97\u53e3&#8221;\u7684\u6982\u5ff5\u5c06\u53d8\u5f97\u66f4\u52a0\u6d41\u52a8\u3002\u5e94\u7528\u53ef\u80fd\u5728\u624b\u673a\u4e0a\u542f\u52a8\uff0c\u6d41\u8f6c\u5230\u5e73\u677f\u4e0a\u5206\u5c4f\uff0c\u6700\u540e\u5728 Chromebook \u7684\u684c\u9762\u7a97\u53e3\u4e2d\u6700\u5927\u5316\u3002Jetpack WindowManager \u6b63\u662f\u652f\u6491\u8fd9\u4e00\u5b8f\u5927\u613f\u666f\u7684\u5e95\u5c42\u57fa\u77f3\u3002\u901a\u8fc7\u91c7\u7eb3\u672c\u62a5\u544a\u9610\u8ff0\u7684\u67b6\u6784\u6a21\u5f0f\u548c\u6d4b\u8bd5\u7b56\u7565\uff0c\u5de5\u7a0b\u56e2\u961f\u5c06\u80fd\u591f\u6253\u9020\u51fa\u771f\u6b63\u5177\u5907\u5f39\u6027\u548c\u751f\u547d\u529b\u7684\u5e94\u7528\uff0c\u4ece\u5bb9\u5e94\u5bf9\u786c\u4ef6\u5f62\u6001\u7684\u6bcf\u4e00\u6b21\u53d8\u9769\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%99%84%E5%BD%95%EF%BC%9A%E5%85%B3%E9%94%AE%E6%9C%AF%E8%AF%AD%E5%AF%B9%E7%85%A7%E8%A1%A8\"><\/span>\u9644\u5f55\uff1a\u5173\u952e\u672f\u8bed\u5bf9\u7167\u8868<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u672f\u8bed<\/strong><\/td><td><strong>\u5b9a\u4e49<\/strong><\/td><td><strong>\u5bf9\u5e94 API\/\u7c7b<\/strong><\/td><td><strong>\u6838\u5fc3\u4f5c\u7528<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>WindowMetrics<\/strong><\/td><td>\u5f53\u524d\u5e94\u7528\u7a97\u53e3\u7684\u5c3a\u5bf8\u4e0e\u8fb9\u754c\uff0c\u5305\u542b\u7cfb\u7edf\u88c5\u9970\u3002<\/td><td><code>WindowMetricsCalculator<\/code><\/td><td>\u66ff\u4ee3 <code>DisplayMetrics<\/code>\uff0c\u63d0\u4f9b\u51c6\u786e\u7684\u7a97\u53e3\u5927\u5c0f\u3002<\/td><\/tr><tr><td><strong>WindowInsets<\/strong><\/td><td>\u7cfb\u7edf\u680f\uff08\u72b6\u6001\u680f\u3001\u5bfc\u822a\u680f\u3001\u8f93\u5165\u6cd5\uff09\u5360\u636e\u7684\u533a\u57df\u3002<\/td><td><code>WindowMetrics.getWindowInsets()<\/code><\/td><td>\u8ba1\u7b97\u5b9e\u9645\u53ef\u7528\u5185\u5bb9\u533a\u57df\u3002<\/td><\/tr><tr><td><strong>FoldingFeature<\/strong><\/td><td>\u63cf\u8ff0\u5c4f\u5e55\u4e0a\u7684\u7269\u7406\u6298\u53e0\u6216\u94f0\u94fe\u7279\u5f81\u3002<\/td><td><code>FoldingFeature<\/code><\/td><td>\u8bc6\u522b\u6298\u53e0\u72b6\u6001\u3001\u65b9\u5411\u3001\u906e\u6321\u533a\u57df\u3002<\/td><\/tr><tr><td><strong>Posture<\/strong><\/td><td>\u8bbe\u5907\u7684\u7269\u7406\u59ff\u6001\uff08\u5982\u5e73\u5766\u3001\u684c\u9762\u6a21\u5f0f\u3001\u4e66\u672c\u6a21\u5f0f\uff09\u3002<\/td><td><code>FoldingFeature.State<\/code><\/td><td>\u89e6\u53d1\u7279\u5b9a\u7684 UI \u9002\u914d\u903b\u8f91\uff08\u5982\u5206\u5c4f\u3001\u63a7\u4ef6\u79fb\u4f4d\uff09\u3002<\/td><\/tr><tr><td><strong>WindowSizeClass<\/strong><\/td><td>\u57fa\u4e8e\u7a97\u53e3\u5bbd\u9ad8\u7684\u6807\u51c6\u5316\u65ad\u70b9\u5206\u7c7b\uff08Compact\/Medium\/Expanded\uff09\u3002<\/td><td><code>WindowSizeClass<\/code><\/td><td>\u51b3\u5b9a\u603b\u4f53\u5e03\u5c40\u7ed3\u6784\uff08\u5bfc\u822a\u680f\u7c7b\u578b\u3001\u5206\u680f\u6570\u91cf\uff09\u3002<\/td><\/tr><tr><td><strong>Activity Embedding<\/strong><\/td><td>\u5141\u8bb8\u4e24\u4e2a Activity \u5728\u540c\u4e00\u4efb\u52a1\u7a97\u53e3\u5e76\u6392\u663e\u793a\u7684\u6280\u672f\u3002<\/td><td><code>SplitPairRule<\/code>, <code>SplitController<\/code><\/td><td>\u8ba9\u9057\u7559\u7684\u591a Activity \u5e94\u7528\u9002\u914d\u5927\u5c4f\u3002<\/td><\/tr><tr><td><strong>Occlusion<\/strong><\/td><td>\u94f0\u94fe\u533a\u57df\u5bf9\u5185\u5bb9\u7684\u7269\u7406\u906e\u6321\u5c5e\u6027\u3002<\/td><td><code>FoldingFeature.occlusionType<\/code><\/td><td>\u9632\u6b62\u5185\u5bb9\u7ed8\u5236\u5728\u7269\u7406\u6b7b\u533a\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u672c\u62a5\u544a\u57fa\u4e8e\u6700\u65b0\u7684\u6280\u672f\u6587\u6863\u4e0e\u793e\u533a\u5b9e\u8df5\u6574\u7406\uff0c\u6db5\u76d6\u4e86\u622a\u81f3 2026 \u5e74\u521d\u7684 Jetpack WindowManager \u751f\u6001\u5168\u8c8c\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u5e76\u5b9e\u8df5\u4e0a\u8ff0\u5185\u5bb9\uff0c\u5f00\u53d1\u8005\u5c06\u80fd\u591f\u7ad9\u5728 Android \u73b0\u4ee3\u5316\u7684\u6700\u524d\u6cbf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5ea6\u7814\u7a76\uff1aJetpack WindowManager \u2013 \u5ddd\u9640\u77e5\u8bc6\u5e93 Jetpack WindowManager\uff1a\u91cd\u5851\u591a\u7a97\u53e3\u4ea4\u4e92\u4f53\u9a8c \u2013 \u5ddd\u9640\u77e5\u8bc6\u5e93 1. \u7eea\u8bba\uff1aAndroid \u663e\u793a\u67b6\u6784\u7684\u8303\u5f0f\u8f6c\u79fb \u5728\u79fb\u52a8\u8ba1\u7b97\u7684\u65e9\u671f\u9636\u6bb5\uff0cAndroid \u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u57fa\u4e8e\u4e00\u4e2a\u76f8\u5bf9\u9759\u6001\u7684\u5047\u8bbe\uff1a\u8bbe\u5907\u5c4f\u5e55\u662f\u4e00\u4e2a\u77e9\u5f62\u7684\u3001\u4e0d\u53ef\u53d8\u7684\u753b\u5e03\u3002\u5341\u591a\u5e74\u6765\uff0c\u5f00\u53d1\u8005\u4e60\u60ef\u4e8e\u901a\u8fc7 DisplayMetrics API 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