layer-list : 簡單來說layer-list就是圖層串列的意思,是用來創建LayerDrawable的,LayerDrawable是DrawableResource的一種,所以,layer-list創建出來的是"圖層串列",也就是一個drawable圖形
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape
android:shape="oval"
android:useLevel="true">
<size
android:width="80dp"
android:height="80dp" />
<solid android:color="@color/transparent" />
<stroke
android:width="3dp"
android:color="@color/blue" />
</shape>
</item>
<item
android:bottom="@dimen/dimen_18_dp"
android:left="@dimen/dimen_18_dp"
android:right="@dimen/dimen_18_dp"
android:top="@dimen/dimen_18_dp">
<shape
android:shape="oval"
android:useLevel="true">
<size
android:width="80dp"
android:height="80dp" />
<solid android:color="@color/blue" />
</shape>
</item>
</layer-list>
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標籤：Android