ios - 如何在ios中制作文字阴影

Question

如何制作@"Hello World!"的影子在下面的代码中？

提前致谢!!

UILabel *lbl = [[UILabel alloc]init];
lbl.frame = CGRectMake(0,0,150,50);
lbl.text = @"Hello World!";

Answer 1

使用attributedString

代码

 UILabel * Label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 60)];
[self.view addSubview:Label];
NSMutableAttributedString * mutableAttriStr = [[NSMutableAttributedString alloc] initWithString:@"Wenchen"];
NSShadow * shadow = [[NSShadow alloc] init];
shadow.shadowColor = [UIColor blueColor];
shadow.shadowBlurRadius = 2.0;
shadow.shadowOffset = CGSizeMake(1.0, 1.0);
NSDictionary * attris = @{NSShadowAttributeName:shadow};
[mutableAttriStr setAttributes:attris range:NSMakeRange(0,mutableAttriStr.length)];
Label.attributedText = mutableAttriStr;