Infinity-For-Lemmy/app/src/main/res/layout/activity_theme_preview.xml

<?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_theme_preview_activity"
    tools:context=".Activity.ThemePreviewActivity">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/view_pager_theme_preview_activity"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/appbar_layout_theme_preview_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_theme_preview_activity"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:titleEnabled="false"
            app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
            app:toolbarId="@+id/toolbar">

            <LinearLayout
                android:id="@+id/toolbar_linear_layout_theme_preview_activity"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:paddingTop="16dp"
                android:paddingStart="16dp"
                android:paddingEnd="16dp">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content">

                    <LinearLayout
                        android:layout_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1"
                        android:orientation="vertical">

                        <TextView
                            android:id="@+id/subreddit_name_text_view_theme_preview_activity"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_marginBottom="16dp"
                            android:text="@string/subreddit_preview"
                            android:textSize="?attr/font_18"
                            android:fontFamily="?attr/font_family" />

                        <TextView
                            android:id="@+id/user_name_text_view_theme_preview_activity"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:text="@string/username_preview"
                            android:textSize="?attr/font_18"
                            android:fontFamily="?attr/font_family"/>

                    </LinearLayout>

                    <com.google.android.material.chip.Chip
                        android:id="@+id/subscribe_subreddit_chip_theme_preview_activity"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/subscribe"
                        android:layout_gravity="center_horizontal"/>

                </LinearLayout>

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="16dp"
                    android:layout_marginBottom="16dp">

                    <TextView
                        android:id="@+id/primary_text_text_view_theme_preview_activity"
                        android:layout_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1"
                        android:text="@string/primary_text_preview"
                        android:textSize="?attr/font_default"
                        android:fontFamily="?attr/font_family" />

                    <TextView
                        android:id="@+id/secondary_text_text_view_theme_preview_activity"
                        android:layout_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1"
                        android:gravity="end"
                        android:text="@string/secondary_text_preview"
                        android:textSize="?attr/font_default"
                        android:fontFamily="?attr/font_family" />

                </LinearLayout>

            </LinearLayout>

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="?attr/actionBarSize"
                app:layout_collapseMode="pin"
                app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
                app:popupTheme="@style/AppTheme.PopupOverlay"
                app:navigationIcon="?attr/homeAsUpIndicator" />

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

        <com.google.android.material.tabs.TabLayout
            android:id="@+id/tab_layout_theme_preview_activity"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            app:layout_scrollFlags="scroll|enterAlways"
            app:tabGravity="fill"
            app:tabMode="fixed"
            app:tabIndicatorHeight="3dp"
            app:tabRippleColor="?attr/colorControlHighlight"
            app:tabUnboundedRipple="false" />

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

    <com.google.android.material.bottomappbar.BottomAppBar
        android:id="@+id/bottom_navigation_theme_preview_activity"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        app:fabAlignmentMode="center">

        <LinearLayout
            android:id="@+id/linear_layout_bottom_app_bar_theme_preview_activity"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:weightSum="5">

            <ImageView
                android:id="@+id/subscriptions_bottom_app_bar_theme_preview_activity"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:src="@drawable/ic_subscritptions_bottom_app_bar_24dp"
                android:background="?attr/selectableItemBackgroundBorderless" />

            <ImageView
                android:id="@+id/multi_reddit_bottom_app_bar_theme_preview_activity"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:src="@drawable/ic_multi_reddit_24dp"
                android:background="?attr/selectableItemBackgroundBorderless" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@android:color/transparent" />

            <ImageView
                android:id="@+id/message_bottom_app_bar_theme_preview_activity"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:gravity="center"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:src="@drawable/ic_inbox_24dp"
                android:background="?attr/selectableItemBackgroundBorderless" />

            <ImageView
                android:id="@+id/profile_bottom_app_bar_theme_preview_activity"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:layout_marginEnd="16dp"
                android:paddingTop="8dp"
                android:paddingBottom="8dp"
                android:gravity="center"
                android:src="@drawable/ic_account_circle_24dp"
                android:background="?attr/selectableItemBackgroundBorderless" />

        </LinearLayout>
    </com.google.android.material.bottomappbar.BottomAppBar>

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/fab_theme_preview_activity"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/fab_margin"
        app:srcCompat="@drawable/ic_add_day_night_24dp"
        app:tint="@android:color/white"
        app:layout_anchor="@id/bottom_navigation_theme_preview_activity" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>