iOS开发 颜色渐变效果

iOS开发 颜色渐变效果

 #import <QuartzCore/QuartzCore.h>

[cpp] view plaincopyprint?

CAGradientLayer *gradient = [CAGradientLayer layer];

gradient.frame = rect;

gradient.colors = [NSArray arrayWithObjects:(id)[UIColor blackColor].CGColor,(id)[UIColor grayColor].CGColor,(id)[UIColor
blackColor].CGColor,nil];

[self.layer insertSublayer:gradient atIndex:0];



原文地址   http://blog.csdn.net/reylen/article/details/8622932