& lt？xml？version="1.0 "？編碼="utf-8 "？& gt
& lt外形？xmlns:Android = "/apk/RES/Android "？& gt
& lt！- ?裏脊？-& gt；
& lt困境
android:radius="9dp "
android:topLeftRadius="2dp "
android:topRightRadius="2dp "
android:bottomLeftRadius="2dp "
Android:bottomRightRadius = " 2dp "/& gt；& lt！- ?設置圓角半徑？-& gt；
& lt！- ?漸變？-& gt；
& lt梯度
Android:start color = " @ Android:color/white "
Android:center color = " @ Android:color/black "
Android:end color = " @ Android:color/black "
android:useLevel="true "
android:angle="45 "
android:type="radial "
Android:centex = " 0 "
android:centerY="0 "
Android:gradientRadius = " 90 "/& gt；
& lt！- ?區間？-& gt；
& lt填料
android:left="2dp "
android:top="2dp "
android:right="2dp "
Android:bottom = " 2dp "/& gt；& lt！- ?各個方向的間距？-& gt；
& lt！- ?尺寸？-& gt；
& lt大小
android:width="50dp "
Android:height = " 50dp "/& gt；& lt！- ?寬度和高度？-& gt；
& lt！- ?填充？-& gt；
& lt固體
Android:color = " @ Android:color/white "/& gt；& lt！- ?填充的顏色？-& gt；
& lt！- ?中風？-& gt；
& lt中風
android:width="2dp "
Android:color = " @ Android:color/black "
android:dashWidth="1dp "
Android:dash gap = " 2dp "/& gt；
& lt/shape & gt；