skyline/app/src/main/res/layout/main_activity.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"
    tools:context=".MainActivity">

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@android:color/transparent"
        android:fitsSystemWindows="true"
        android:keyboardNavigationCluster="false"
        android:touchscreenBlocksFocus="false"
        app:elevation="0dp">

        <com.google.android.material.appbar.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:fitsSystemWindows="true"
            app:layout_scrollFlags="scroll">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:orientation="vertical">

                <ImageView
                    android:id="@+id/refresh_icon"
                    android:layout_width="30dp"
                    android:layout_height="30dp"
                    android:layout_gravity="center_vertical"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="4dp"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/refresh"
                    android:padding="5dp"
                    android:visibility="invisible"
                    app:layout_constraintEnd_toStartOf="@id/log_icon"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_refresh"
                    app:tint="?android:attr/textColorSecondary"
                    tools:visibility="visible" />

                <ImageView
                    android:id="@+id/log_icon"
                    android:layout_width="30dp"
                    android:layout_height="30dp"
                    android:layout_gravity="center_vertical"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="4dp"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/log"
                    android:padding="5dp"
                    app:layout_constraintEnd_toStartOf="@id/settings_icon"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_log"
                    app:tint="?android:attr/textColorSecondary" />

                <ImageView
                    android:id="@+id/settings_icon"
                    android:layout_width="30dp"
                    android:layout_height="30dp"
                    android:layout_gravity="center_vertical"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="16dp"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/settings"
                    android:padding="5dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/ic_settings"
                    app:tint="?android:attr/textColorSecondary" />

                <TextView
                    android:id="@+id/title_text"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="18dp"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="18dp"
                    android:fontFamily="sans-serif-medium"
                    android:text="@string/app_name"
                    android:textColor="?android:attr/textColorPrimary"
                    android:textSize="32sp"
                    android:textStyle="bold"
                    app:layout_constraintTop_toBottomOf="@id/settings_icon" />

                <emu.skyline.views.SearchBarView
                    android:id="@+id/search_bar"
                    android:layout_width="match_parent"
                    android:layout_height="64dp"
                    android:layout_marginStart="12dp"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="12dp"
                    app:cardCornerRadius="16dp"
                    app:cardElevation="2dp"
                    app:layout_constraintTop_toBottomOf="@id/title_text" />
            </androidx.constraintlayout.widget.ConstraintLayout>
        </com.google.android.material.appbar.CollapsingToolbarLayout>
    </com.google.android.material.appbar.AppBarLayout>

    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
        android:id="@+id/swipe_refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="-4dp"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <HorizontalScrollView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:scrollbars="none">

                <com.google.android.material.chip.ChipGroup
                    android:id="@+id/chip_group"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="18dp"
                    android:layout_marginTop="16dp"
                    android:layout_marginEnd="18dp"
                    app:checkedChip="@id/all_chip"
                    app:chipSpacingHorizontal="16dp"
                    app:selectionRequired="true"
                    app:singleLine="true"
                    app:singleSelection="true">

                    <com.google.android.material.chip.Chip
                        android:id="@+id/all_chip"
                        style="?attr/chipChoiceStyle"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/all" />
                </com.google.android.material.chip.ChipGroup>
            </HorizontalScrollView>

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/app_list"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:clipToPadding="false"
                android:paddingTop="4dp" />
        </LinearLayout>
    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>