通用button背景

selector_button_common.xml

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

    <item android:state_pressed="true">
        <shape>
            <solid android:color="@color/powderblue"/>
            <corners android:radius="@dimen/space_5"/>
        </shape>
    </item>

    <item android:state_pressed="false">
        <shape>
            <solid android:color="@color/white"/>
            <corners android:radius="@dimen/space_5"/>
            <stroke
                android:width="1dp"
                android:color="#e5e5e5" />
        </shape>
    </item>
</selector>