添加URL图片按钮点击
我搜索了一些教程添加UIImage按钮的点击事件。如何URL路径添加添加URL图片按钮点击
图像button..For示例代码:
UIButton *imageView=[[UIButton alloc]initWithFrame:CGRectMake((320*index)+countFlag*80+ 2, 5, 75, 75)];
imageView.tag=i+1;
[imageView addTarget:self action:@selector(imageViewClicked:) forControlEvents:UIControlEventTouchUpInside];
[imageView.layer setBorderColor:[UIColor lightGrayColor].CGColor];
[imageView.layer setBorderWidth:1.0f];
switch ((i+1)%5) {
case 0:
[imageView setImage:[UIImage imageNamed:@"img1.png"] forState:UIControlStateNormal];
break;
case 1:
[imageView setImage:[UIImage imageNamed:@"img2.png"] forState:UIControlStateNormal];
break;
}
尝试此乌尔按钮(ImageView的)
[imageView setImage:[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:@"imageurl"]]]forState:UIControlStateNormal];
这不起作用。有错误Setimage弃用 – Ram 2013-03-25 06:20:55
其中ios版本r我们使用?,您设置imageview或uibutton图像? – NAZIK 2013-03-25 06:25:55
使用ios 6.1,将图像设置为uibutton。 UIButton * imageView = [[UIButton alloc] initWithFrame:CGRectMake((320 * index)+ countFlag * 80 + 2,5,75,75]]; imageView.tag = i + 1; [imageView addTarget:self action:@selector(imageViewClicked :) forControlEvents:UIControlEventTouchUpInside]; [imageView.layer setBorderColor:[UIColor lightGrayColor] .CGColor]; [imageView.layer setBorderWidth:1.0f]; – Ram 2013-03-25 06:28:46
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:@"url"];
[imageView setImage:[UIImage imageWithData:data]];
用于正常状态,
[imageView setImage:[UIImage imageNamed:@"img1.png"] forState:UIControlStateNormal];
和点击(选定)状态,
[imageView setImage:[UIImage imageNamed:@"img2.png"] forState:UIControlStateSelected];
希望这会有所帮助。
试试这个:
EGOImageButton* btnUserImage = [[EGOImageButton alloc] initWithPlaceholderImage:[UIImage imageNamed:@"ProfilePictureDefault.png"]];
btnUserImage.frame = CGRectMake(10,5,25,25);
btnUserImage.highlighted = NO;
[self addSubview:btnUserImage];
btnUserImage.imageURL = [NSURL URLWithString:Url];
其更好地利用这个UIButton+WebCache.h
类SDWebImage它支持图片的按钮所处的异步加载。您可以使用以下任何方法。
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state;
- (void)setImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder;
它还提供背景图片异步加载的UIButton
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state;
- (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder;
不要忘记,包括SDWebImage
到您的项目和UIButton+WebCache.h
文件到您的实现文件。
你想显示带背景图像的按钮? – Balu 2013-03-21 11:56:14
使用EGOButton作为URL。 – 2013-03-21 11:59:08