SilentDragonAndroid-old/app/src/main/res/layout/content_receive.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        tools:showIn="@layout/activity_receive"
        tools:context=".ReceiveActivity">

    <ImageView
            android:layout_width="0dp"
            android:layout_height="400dp" app:srcCompat="@android:color/black"
            android:id="@+id/imageView" app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toTopOf="@+id/textView4"/>
    <TextView
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:ems="10"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent" android:id="@+id/addressTxt"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent" android:text="abcde fghij" android:textAlignment="center"
            android:textSize="24sp" android:fontFamily="monospace" android:layout_marginTop="8dp"
            app:layout_constraintTop_toBottomOf="@+id/textView4" app:layout_constraintVertical_bias="0.0"/>
    <TextView
            android:text="Your Zcash Sapling Address"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent"
            android:id="@+id/textView4" android:layout_marginTop="16dp"
            app:layout_constraintTop_toBottomOf="@+id/imageView" android:textColor="@color/colorPrimary"/>
</android.support.constraint.ConstraintLayout>