[Android] 레이아웃 하단에 그림자 넣기

출처:

• https://gist.github.com/lecho/6473458
• https://selfish-developer.com/entry/%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EA%B7%B8%EB%A6%BC%EC%9E%90Shadow-%ED%9A%A8%EA%B3%BC-%EB%84%A3%EA%B8%B0

<dropshadow.xml>

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <!-- Drop Shadow Stack -->
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="0dp"
                android:right="0dp"
                android:top="0dp" />

            <solid android:color="#00CCCCCC" />
        </shape>
    </item>
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="0dp"
                android:right="0dp"
                android:top="0dp" />

            <solid android:color="#10CCCCCC" />
        </shape>
    </item>
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="0dp"
                android:right="0dp"
                android:top="0dp" />

            <solid android:color="#20CCCCCC" />
        </shape>
    </item>
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="0dp"
                android:right="0dp"
                android:top="0dp" />

            <solid android:color="#30CCCCCC" />
        </shape>
    </item>
    <item>
        <shape>
            <padding
                android:bottom="1dp"
                android:left="0dp"
                android:right="0dp"
                android:top="0dp" />

            <solid android:color="#50CCCCCC" />
        </shape>
    </item>

    <!-- Background -->
    <item>
        <shape>
            <solid android:color="@android:color/white" />
        </shape>
    </item>

</layer-list>

Layout의 background로 적용해주기

<LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/dropshadow"
        android:orientation="vertical">