crystal-wallet-android/app/src/main/res/layout/receive_transaction.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1">

    <EditText
        android:id="@+id/etAmount"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/tvAmountError"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <Spinner
        android:id="@+id/spAsset"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="top"
        android:inputType="textMultiLine"
        android:textColor="@color/white" />
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tvAssetError"
        android:textColor="@color/red" />
    <ImageView
        android:id="@+id/ivQrCode"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:adjustViewBounds="true"/>
</LinearLayout>