我很难删除层的所有子层.目前我是手动操作的,但这会带来不必要的混乱.我在谷歌上找到了很多关于这个的话题,但没有答案.
我试着这样做:
for(CALayer *layer in rootLayer.sublayers) { [layer removeFromSublayer]; }
但没用.
此外,我还试图克隆根层.将子层划分为单独的NSArray,但结果是相同的.
有什么 idea 吗?
编辑:
I thought it works now, but I was wrong. It works good with CALayers, but it doesn't work with CATextLayers. 有什么 idea 吗?