<?xml version="1.0" encoding="utf-8"?> <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/coordinator_layout_subreddit_selection_activity" tools:application=".SubredditSelectionActivity"> <com.google.android.material.appbar.AppBarLayout android:id="@+id/appbar_layout_subreddit_selection_activity" android:layout_width="match_parent" android:layout_height="wrap_content" android:theme="@style/AppTheme.AppBarOverlay"> <com.google.android.material.appbar.CollapsingToolbarLayout android:id="@+id/collapsing_toolbar_layout_subreddit_selection_activity" android:layout_width="match_parent" android:layout_height="match_parent" app:layout_scrollFlags="scroll|enterAlways" app:titleEnabled="false" app:toolbarId="@+id/toolbar_subreddit_selection_activity"> <androidx.appcompat.widget.Toolbar android:id="@+id/toolbar_subreddit_selection_activity" android:layout_width="match_parent" android:layout_height="wrap_content" android:minHeight="?attr/actionBarSize" app:popupTheme="@style/AppTheme.PopupOverlay" app:navigationIcon="?attr/homeAsUpIndicator" /> </com.google.android.material.appbar.CollapsingToolbarLayout> </com.google.android.material.appbar.AppBarLayout> <androidx.fragment.app.FragmentContainerView android:id="@+id/frame_layout_subreddit_selection_activity" android:layout_width="match_parent" android:layout_height="match_parent" app:layout_behavior="@string/appbar_scrolling_view_behavior" /> </androidx.coordinatorlayout.widget.CoordinatorLayout>