Android設置邊框樣式

item_frame_bg.xml

<?xml version="1.0" encoding="utf-8"?>
<inset xmlns:android="http://schemas.android.com/apk/res/android"
    android:insetBottom="1px"
    android:insetLeft="1px"
    android:insetRight="1px"
    android:insetTop="1px">
    <shape xmlns:android="http://schemas.android.com/apk/res/android"
        android:shape="rectangle">
        <corners android:radius="1dp" />
        <solid android:color="@color/grey_100" />
    </shape>
</inset>

	android:background="@drawable/item_frame_bg"
    android:elevation="1dp"
    android:gravity="center"
    android:orientation="vertical"
    android:outlineProvider="background"
    tools:targetApi="lollipop"