iOS 设置view的颜色渐变
2019-10-30 本文已影响0人
阿拉斯加的狗
demo 展示
背景颜色view的透明度渐变 // 设置渐变色
CAGradientLayer *layer = [CAGradientLayer layer];
layer.startPoint = CGPointMake(0, 0);
layer.endPoint = CGPointMake(0, 1);
layer.colors = @[(__bridge id)CYCOLORA(0x000000, 0).CGColor, (__bridge id)CYCOLORA(0x000000, 1.0).CGColor];
layer.frame = self.shadeView.layer.bounds;
[self.shadeView.layer insertSublayer:layer atIndex:0];