优化 onDraw 方法，降低内存占用以及 GC 频率#84
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maoruibin wants to merge 1 commit intoHarlonWang:masterfrom
maoruibin:patch-1
Open
优化 onDraw 方法，降低内存占用以及 GC 频率#84maoruibin wants to merge 1 commit intoHarlonWang:masterfrom maoruibin:patch-1
maoruibin wants to merge 1 commit intoHarlonWang:masterfrom
maoruibin:patch-1
