How to make a view shadow in android api less than 21?

Question

Android

How to make the shadow of an element in api less than 21? It is necessary that the shadow was in a circle, something like this.

Answer 1

If you need exactly as in the picture, then use CardView , there are support attributes that you need.

<android.support.v7.widget.CardView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:cardCornerRadius="10dp"
    app:cardElevation="10dp">

    <!-- Views -->
</android.support.v7.widget.CardView>

app:cardCornerRadius="10dp"- corner radius
app:cardElevation="10dp"- card height, shadow depends on it
Don't forget to add 'com.android.support:cardview-v7:26.1.0'dependencies.