zumo_2.0_android/app/src/main/res/layout/sign_up_coin.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
  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"
  tools:layout_editor_absoluteY="81dp">

  <ImageView
    android:id="@+id/image_view_coupon"
    android:layout_width="300dp"
    android:layout_height="100dp"
    android:layout_alignParentStart="true"
    android:layout_alignParentTop="true"
    android:background="@drawable/coupon_image"
    android:layout_marginRight="20dp"
    android:layout_marginLeft="20dp"
    android:layout_marginTop="20dp"
    android:layout_marginBottom="20dp"
    />

  <TextView
    android:id="@+id/text_view_coupon"
    android:layout_width="78dp"
    android:layout_height="wrap_content"
    android:layout_alignBottom="@id/image_view_coupon"
    android:layout_alignLeft="@id/image_view_coupon"
    android:layout_alignRight="@id/image_view_coupon"
    android:layout_alignTop="@id/image_view_coupon"
    android:gravity="center"
    android:layout_weight="1"
    android:textAlignment="center"
    android:textSize="18dp"/>


</RelativeLayout>