FairEmail/app/src/main/res/layout/activity_widget_unified.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="match_parent"
    android:padding="12dp">

    <eu.faircode.email.FixedTextView
        android:id="@+id/tvAccount"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/title_widget_account"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Spinner
        android:id="@+id/spAccount"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tvAccount" />

    <eu.faircode.email.FixedTextView
        android:id="@+id/tvFolder"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_widget_folder"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/spAccount" />

    <Spinner
        android:id="@+id/spFolder"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tvFolder" />

    <CheckBox
        android:id="@+id/cbUnseen"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_widget_unseen"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/spFolder" />

    <CheckBox
        android:id="@+id/cbFlagged"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_widget_flagged"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/cbUnseen" />

    <CheckBox
        android:id="@+id/cbSemiTransparent"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:checked="true"
        android:text="@string/title_widget_semi_transparent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/cbFlagged" />

    <Button
        android:id="@+id/btnColor"
        style="?android:attr/buttonStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:tag="disable"
        android:text="@string/title_widget_background"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/cbSemiTransparent" />

    <eu.faircode.email.FixedTextView
        android:id="@+id/tvFontSize"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_widget_font_size"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btnColor" />

    <Spinner
        android:id="@+id/spFontSize"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tvFontSize" />

    <eu.faircode.email.FixedTextView
        android:id="@+id/tvPadding"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_widget_padding"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/spFontSize" />

    <Spinner
        android:id="@+id/spPadding"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tvPadding" />

    <Button
        android:id="@+id/btnSave"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="@string/title_save"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/spPadding" />

    <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"
        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="
        tvAccount,spAccount,tvFolder,spFolder,
        cbUnseen,cbFlagged,
        cbSemiTransparent,btnColor,
        tvFontSize,spFontSize,tvPadding,spPadding,btnSave" />
</androidx.constraintlayout.widget.ConstraintLayout>