From afdfd58a13ff4e9f01cbe0fed8bac71247f79d8c Mon Sep 17 00:00:00 2001
From: Howard Wu <40033067+Howard20181@users.noreply.github.com>
Date: Tue, 23 Nov 2021 00:24:49 +0800
Subject: [PATCH] [app] Don't let CollapsingToolbarLayout consume insets
 (#1430)

---
 .../org/lsposed/manager/ui/fragment/RepoFragment.java | 11 +++++++++++
 app/src/main/res/layout/fragment_repo.xml             |  8 +++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
index 29cfa637..b48a23e5 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/RepoFragment.java
@@ -112,6 +112,17 @@ public class RepoFragment extends BaseFragment implements RepoLoader.Listener {
         RecyclerViewKt.fixEdgeEffect(binding.recyclerView, false, true);
         binding.progress.setVisibilityAfterHide(View.GONE);
         repoLoader.addListener(this);
+
+        /*
+          CollapsingToolbarLayout consumes window insets, causing child views not
+          receiving window insets.
+          See https://github.com/material-components/material-components-android/issues/1310
+
+          Insets can be handled by RikkaX Insets, so we can manually set
+          OnApplyWindowInsetsListener to null.
+         */
+
+        binding.collapsingToolbarLayout.setOnApplyWindowInsetsListener(null);
         return binding.getRoot();
     }
 
diff --git a/app/src/main/res/layout/fragment_repo.xml b/app/src/main/res/layout/fragment_repo.xml
index 5d6f7b8d..84c8ee4f 100644
--- a/app/src/main/res/layout/fragment_repo.xml
+++ b/app/src/main/res/layout/fragment_repo.xml
@@ -31,9 +31,11 @@
         android:id="@+id/app_bar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:fitsSystemWindows="true">
+        android:fitsSystemWindows="false"
+        app:fitsSystemWindowsInsets="top">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout"
             android:layout_width="match_parent"
             android:layout_height="?attr/collapsingToolbarLayoutMediumSize"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
@@ -69,9 +71,9 @@
             android:fadeScrollbars="true"
             android:scrollbarStyle="insideOverlay"
             android:scrollbars="vertical"
-            app:borderTopVisibility="whenTop"
-            app:borderTopDrawable="@null"
             app:borderBottomVisibility="never"
+            app:borderTopDrawable="@null"
+            app:borderTopVisibility="whenTop"
             app:fitsSystemWindowsInsets="bottom" />
     </FrameLayout>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>