iphone - 为数组中的图像设置边框颜色

Question

我有一个数组中的图像，当我在视图中显示这些图像时，它应该出现在边框中。如何设置边框颜色？

for(UIImage *img in imagesArray)

{

//for bordercolor

}

Answer 1

首先从Build Phases => Link Binary with Libraries => Add button(+)QuartzCore.framework在您的项目中添加框架，然后将其文件导入您的类中，如下所示...

#import <QuartzCore/QuartzCore.h>

并使用下面的代码设置颜色..

yourImageView.layer.borderWidth = 2.0;
yourImageView.layer.borderColor= [UIColor redColor].CGColor;

更新：

-(IBAction)lockword:(id)sender { 
   for (UIImage *img3 in imagesArray) { 
     UIImageView *imgview1=[[UIImageView alloc]initWithImage:img3];
    imgview1.layer.borderWidth = 2.0;
    imgview1.layer.borderColor = [UIColor redColor].CGColor;
    [imgview1 release];
    // your other code write here
    // Add this UIImageView as a subview of your view with its frame...
 } 
}

Answer 2

#import <QuartzCore/QuartzCore.h>

[imageView.layer setBorderColor: [[UIColor blackColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];

Answer 3

要允许编辑 imageview 的边框颜色属性，您需要添加Quartzcore 框架 Add it from : Link Binary with Libraries 选项，然后在要更改边框颜色的地方编写以下代码：

[imageview.layer setBorderWidth:2.0]; // set the border width to any value you want so that your bordercolor would appear accordingly

[imageview.layer setBorderColor:[[UIColor blueColor].CGColor]; // set the color to whatever background color you want to set to your image