custom-rating-bar:一个自定义评分栏，将调整所有开始到当前视图的大小

自定义评分栏 自定义评分栏，将所有星星调整为当前视图。 属性： app:maxStars - number of stars app:starOff - drawable for off star app:starOn - drawable for on star app:starHalf - drawable for half star app:starPadding - dps for star padding app:stars - current star value app:onlyForDisplay - sets the touch events off(true) or on(false) app:halfStars - sets the granulari