funkwhale-app-android/app/src/main/res/layout/activity_search.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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">

  <LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    tools:context=".activities.SearchActivity">

    <androidx.cardview.widget.CardView
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_marginStart="8dp"
      android:layout_marginTop="16dp"
      android:layout_marginEnd="8dp"
      android:layout_marginBottom="0dp"
      android:elevation="4dp">

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

        <androidx.appcompat.widget.SearchView
          android:id="@+id/search"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          app:iconifiedByDefault="false"
          app:queryBackground="@android:color/transparent"
          app:queryHint="@string/search_placeholder" />

        <ProgressBar
          android:id="@+id/search_spinner"
          style="?android:attr/progressBarStyleHorizontal"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="-12dp"
          android:layout_marginBottom="-12dp"
          android:indeterminate="true"
          android:visibility="invisible" />

      </LinearLayout>

    </androidx.cardview.widget.CardView>

    <TextView
      android:id="@+id/search_empty"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_marginStart="16dp"
      android:layout_marginTop="16dp"
      android:layout_marginEnd="16dp"
      android:drawableTop="@drawable/funkwhaleshape"
      android:drawablePadding="16dp"
      android:drawableTint="#525252"
      android:text="@string/search_welcome"
      android:textAlignment="center"
      android:textSize="14sp" />

    <TextView
      android:id="@+id/search_no_results"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_marginStart="16dp"
      android:layout_marginTop="16dp"
      android:layout_marginEnd="16dp"
      android:drawableTop="@drawable/funkwhaleshape"
      android:drawablePadding="16dp"
      android:drawableTint="#525252"
      android:text="@string/search_no_results"
      android:textAlignment="center"
      android:textSize="14sp"
      android:visibility="gone" />

    <androidx.recyclerview.widget.RecyclerView
      android:id="@+id/results"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      tools:itemCount="10"
      tools:listitem="@layout/row_track" />

  </LinearLayout>

  <FrameLayout
    android:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>