FairEmail/app/src/main/res/layout/dialog_folder_select.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"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="12dp">

    <eu.faircode.email.FixedTextView
        android:id="@+id/tvNoFolder"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="24dp"
        android:text="@string/title_no_folders"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <AutoCompleteTextView
        android:id="@+id/etSearch"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="12dp"
        android:hint="@string/title_search"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toStartOf="@+id/ibNext"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageButton
        android:id="@+id/ibNext"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?android:attr/selectableItemBackgroundBorderless"
        android:padding="6dp"
        app:layout_constraintBottom_toBottomOf="@+id/etSearch"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@+id/etSearch"
        app:srcCompat="@drawable/baseline_fast_forward_24" />

    <eu.faircode.email.FixedRecyclerView
        android:id="@+id/rvFolder"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="6dp"
        android:scrollbarStyle="outsideOverlay"
        android:scrollbars="none"
        app:fastScrollEnabled="false"
        app:fastScrollHorizontalThumbDrawable="@drawable/scroll_thumb"
        app:fastScrollHorizontalTrackDrawable="@drawable/scroll_track"
        app:fastScrollVerticalThumbDrawable="@drawable/scroll_thumb"
        app:fastScrollVerticalTrackDrawable="@drawable/scroll_track"
        app:layout_constrainedHeight="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/etSearch" />

    <eu.faircode.email.ContentLoadingProgressBar
        android:id="@+id/pbWait"
        style="@style/Base.Widget.AppCompat.ProgressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:indeterminate="true"
        android:padding="24dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/grpReady"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="etSearch,ibNext,rvFolder" />
</androidx.constraintlayout.widget.ConstraintLayout>