<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <shape>
            <gradient
                android:startColor="#414141"
                android:endColor="#000000"
                android:angle="270" />
        </shape>
    </item>
    <item>
        <bitmap
            android:src="@drawable/img_background_auth"
            android:alpha="0.09"
            android:scaleType="centerCrop"
            android:gravity="center" />
    </item>
</layer-list>