Android控件阴影颜色调整示例

<?  version="1.0" encoding="utf-8"?>
<selector  ns:android="http://schemas.android.com/apk/res/android">
  <item android:state_enabled="true">
    < -list>
      <item android:right="1dp" android:top="2dp">
        < -list>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#15cbf2e0" />
              <padding android:bottom="6px" android:left="6px" android:right="6px" android:top="6px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#16cbf2e0" />
              <padding android:bottom="4px" android:left="4px" android:right="4px" android:top="4px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#17cbf2e0" />
              <padding android:bottom="2px" android:left="2px" android:right="2px" android:top="2px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#18cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#19cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#20cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#21cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#22cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
          <item>
            <shape android:shape="rectangle">
              <solid android:color="#23cbf2e0" />
              <padding android:bottom="3px" android:left="2px" android:right="2px" android:top="1px" />
            </shape>
          </item>
        </ -list>
      </item>
      <item>
        <shape android:shape="rectangle">
          <solid android:color="@color/white" />
        </shape>
      </item>
    </ -list>
  </item>
</selector>

android:background="@drawable/lay_back"