4.10

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

    <com.example.a20211223.MyTextView
        android:id="@+id/Alex_211223"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/purple_200"
        android:gravity="center"
        android:text="@string/Alex_211224"
        android:textColor="@color/teal_200"
        android:textSize="30sp"
        android:textStyle="bold"
        android:shadowColor="@color/black"
        android:shadowRadius="5.0"
        android:shadowDx="10"
        android:shadowDy="10"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:focusable="true"
        android:focusableInTouchMode="true"
        >

    </com.example.a20211223.MyTextView>

</LinearLayout>