ring-android/app/src/main/res/layout/frag_share.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">


    <ImageView
        android:id="@+id/qr_image"
        android:layout_width="300dp"
        android:layout_height="300dp"
        android:gravity="center"
        android:padding="@dimen/padding_small"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:layout_conversion_wrapHeight="1050"
        tools:layout_conversion_wrapWidth="1050" />

    <TextView
        android:id="@+id/share_instruction"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:paddingTop="16dp"
        android:paddingBottom="24dp"
        android:text="@string/share_message"
        android:textColor="@color/text_color_primary"
        android:textSize="16sp"
        app:layout_constraintBottom_toTopOf="@+id/qr_image"
        app:layout_constraintEnd_toEndOf="@+id/qr_image"
        app:layout_constraintStart_toStartOf="@+id/qr_image"
        app:layout_constraintTop_toTopOf="parent"
        tools:layout_conversion_wrapHeight="215"
        tools:layout_conversion_wrapWidth="1440" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/share_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="8dp"
        android:layout_marginBottom="8dp"
        android:text="@string/share_your_account_information"
        android:theme="@style/ButtonColored"
        app:layout_constraintBottom_toTopOf="@+id/qr_image"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/share_instruction" />


</androidx.constraintlayout.widget.ConstraintLayout>