1, 将处理isFirstPadding的代码放到onSizeChanged()中，使绘制过程更高效#2
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dengit wants to merge 1 commit intoFrank-Zhu:masterfrom
Open
1, 将处理isFirstPadding的代码放到onSizeChanged()中，使绘制过程更高效#2dengit wants to merge 1 commit intoFrank-Zhu:masterfrom
dengit wants to merge 1 commit intoFrank-Zhu:masterfrom
