форма круга может быть такой:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid android:color="#B41D1D" />
<size
android:width="48dp"
android:height="48dp" />
</shape>
Другая форма, подобная этой:
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="#FAFAFA" />
<corners android:radius="12dp" />
<size
android:width="120dp"
android:height="40dp" />
</shape>
И затем
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#E4E4E4"
android:padding="8dp">
<View
android:id="@+id/view_rectangle"
android:layout_width="200dp"
android:layout_height="56dp"
android:background="@drawable/rectangle"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<View
android:id="@+id/view_circle"
android:layout_width="48dp"
android:layout_height="48dp"
android:layout_marginStart="4dp"
android:background="@drawable/circle"
app:layout_constraintBottom_toBottomOf="@+id/view_rectangle"
app:layout_constraintStart_toStartOf="@+id/view_rectangle"
app:layout_constraintTop_toTopOf="@+id/view_rectangle" />
</androidx.constraintlayout.widget.ConstraintLayout>
Если вы используете API 23 или выше может быть так:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- Larger blue circle in back -->
<item
android:width="220dp"
android:height="56dp">
<shape android:shape="rectangle">
<solid android:color="#FFFFFF" />
<corners android:radius="36dp" />
</shape>
</item>
<!-- Smaller red circle in front -->
<item
android:width="48dp"
android:height="48dp"
android:gravity="center|start"
android:start="4dp">
<shape android:shape="oval">
<solid android:color="#f00" />
</shape>
</item>
</layer-list>