直接上代码
//设置tabbar顶部line阴影
UIImage * image = [self imageWithColor:[UIColor blackColor] size:CGSizeMake(gScreenWidth, 0.7)];
[self.tabBar setShadowImage:image];
self.tabBar.layer.shadowColor = [UIColor blackColor].CGColor;
self.tabBar.layer.shadowOffset = CGSizeMake(0, -3);
self.tabBar.layer.shadowOpacity = 0.25;
- (UIImage*)imageWithColor:(UIColor*)color size:(CGSize)size {
if(!color || size.width<=0|| size.height<=0)returnnil;
CGRectrect =CGRectMake(0.0f,0.0f, size.width, size.height);
UIGraphicsBeginImageContextWithOptions(rect.size,NO, 0);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, color.CGColor);
CGContextFillRect(context, rect);
UIImage *image =UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
returnimage;
}
