Yuito-app-android/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.keylesspalace.tusky.MainActivity">

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/main_appbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:elevationOverlayEnabled="false"
            android:elevation="@dimen/actionbar_elevation">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/main_toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:contentInsetStartWithNavigation="0dp">

                <com.google.android.material.tabs.TabLayout
                    android:id="@+id/tab_layout"
                    style="@style/TuskyTabAppearance"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    android:focusable="true"
                    android:focusableInTouchMode="true"
                    app:tabGravity="fill"
                    app:tabMaxWidth="0dp"
                    app:tabMode="fixed"
                    app:tabUnboundedRipple="false" />

            </androidx.appcompat.widget.Toolbar>

        </com.google.android.material.appbar.AppBarLayout>

        <androidx.viewpager2.widget.ViewPager2
            android:id="@+id/pager"
            android:background="?attr/windowBackgroundColor"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_below="@id/tab_layout"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" />

        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/floating_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:contentDescription="@string/action_compose"
            app:layout_anchor="@id/pager"
            app:layout_anchorGravity="bottom|end"
            app:srcCompat="@drawable/ic_create_24dp" />

        <include layout="@layout/item_status_bottom_sheet" />

    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <include
        android:id="@+id/quick_toot_container"
        layout="@layout/view_quick_toot"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0" />

</LinearLayout>