<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#ffffff"> <ImageView android:id="@+id/iv_thumbnail" android:layout_width="match_parent" android:layout_height="150dp" android:adjustViewBounds="true" android:scaleType="centerCrop" /> <ImageView android:id="@+id/iv_thumbnail_selected" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:src="@drawable/check_mark" /> </RelativeLayout>