Shape畫圓形控制項

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這裡涉及到shape的運用，這僅僅是一個執行個體

circle.xml

<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android" >    <!-- outer circle -->    <item>        <shape android:shape="oval" >            <solid android:color="#FFACB8C3" />        </shape>    </item>    <!-- inner shadow of outer circle -->    <item         android:bottom="2dp"        android:left="2dp"        android:right="2dp"        android:top="2dp">        <shape android:shape="oval">            <solid android:color="#FFbdcad6" />        </shape>    </item>    <item        android:bottom="3dp"        android:left="3dp"        android:right="3dp"        android:top="3dp">        <shape android:shape="oval">            <solid android:color="#FFc3cfd9" />        </shape>        </item>    <item        android:bottom="4dp"        android:left="4dp"        android:right="4dp"        android:top="4dp">        <shape android:shape="oval">            <solid android:color="#FFcbd6df" />        </shape>    </item>    <item        android:bottom="5dp"        android:left="5dp"        android:right="5dp"        android:top="5dp">        <shape android:shape="oval">            <solid android:color="#FFd4dee5" />        </shape>    </item>     <!-- gap -->    <item        android:bottom="6dp"        android:left="6dp"        android:right="6dp"        android:top="6dp">        <shape android:shape="oval" >            <solid android:color="#FFdae2e8" />        </shape>    </item>     <!-- outer shadow of center circle -->    <item        android:bottom="10dp"        android:left="10dp"        android:right="10dp"        android:top="10dp">        <shape android:shape="oval">            <solid android:color="#FFced5dc" />        </shape>    </item>    <item        android:bottom="12dp"        android:left="12dp"        android:right="12dp"        android:top="12dp">        <shape android:shape="oval">            <solid android:color="#FFbcc4c9" />        </shape>    </item>    <item        android:bottom="13dp"        android:left="13dp"        android:right="13dp"        android:top="13dp">        <shape android:shape="oval">            <solid android:color="#FFb4bbc0" />        </shape>    </item>    <item        android:bottom="14dp"        android:left="14dp"        android:right="14dp"        android:top="14dp">        <shape android:shape="oval">            <solid android:color="#FFacb3b8" />        </shape>    </item>     <!-- center circle -->    <item        android:bottom="15dp"        android:left="15dp"        android:right="15dp"        android:top="15dp">        <shape android:shape="oval">            <stroke android:width="1dp" android:color="#FFFCFCFC"/>            <gradient                android:angle="270"                android:endColor="#FFCFD7DD"                android:startColor="#FFF0F5F9" />        </shape>    </item> </layer-list>

 

使用方式：

<Button        android:id="@+id/button2"        android:layout_width="300dp"        android:layout_height="300dp"        android:layout_centerHorizontal="true"        android:layout_centerVertical="true"        android:background="@drawable/circle"        android:textSize="20sp" />