lawnchair/quickstep/res/layout/gesture_tutorial_rotation_prompt.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:background="?attr/surfaceHome">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/background"
        android:layout_width="300dp"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:background="@drawable/rotate_prompt_bg"
        android:padding="24dp"

        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent">

        <ImageView
            android:id="@+id/icon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/rotate_tutorial_warning"

            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintEnd_toEndOf="parent" />

        <TextView
            android:id="@+id/rotate_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:lineSpacingExtra="2sp"
            android:text="@string/gesture_tutorial_rotation_prompt_title"
            android:textAppearance="@style/rotate_prompt_title"

            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/icon"
            app:layout_constraintEnd_toEndOf="parent" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:gravity="center"
            android:text="@string/gesture_tutorial_rotation_prompt"
            android:textAppearance="@style/rotate_prompt_subtitle"

            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/rotate_title"
            app:layout_constraintEnd_toEndOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>