更新界面

app/src/main/res/layout/fragment_bookshelf1.xml

@@ -21,7 +21,6 @@
             style="?attr/collapsingToolbarLayoutMediumStyle"
             app:collapsedTitleTextAppearance="?attr/textAppearanceTitleLarge"
             app:expandedTitleTextAppearance="?attr/textAppearanceHeadlineLarge"
-            app:contentScrim="?attr/colorSurfaceContainer"
             app:titleCollapseMode="scale"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">
 

app/src/main/res/layout/fragment_bookshelf2.xml

@@ -19,7 +19,6 @@
             android:layout_width="match_parent"
             android:layout_height="?attr/collapsingToolbarLayoutMediumSize"
             app:collapsedTitleTextAppearance="?attr/textAppearanceTitleLarge"
-            app:contentScrim="?attr/colorSurface"
             app:expandedTitleTextAppearance="?attr/textAppearanceHeadlineLarge"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap"
             app:titleCollapseMode="scale">

app/src/main/res/layout/fragment_my_config.xml

@@ -9,7 +9,6 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@android:color/transparent"
-        app:attachToActivity="false"
         android:fitsSystemWindows="true">
 
         <com.google.android.material.appbar.CollapsingToolbarLayout
@@ -18,7 +17,6 @@
             style="?attr/collapsingToolbarLayoutLargeSize"
             app:collapsedTitleTextAppearance="?attr/textAppearanceTitleLarge"
             app:expandedTitleTextAppearance="?attr/textAppearanceHeadlineLarge"
-            app:contentScrim="?attr/colorSurface"
             app:titleCollapseMode="scale"
             app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">