我是 objective-c 的新手,我正在尝试在推送 viewcontroller
时设置 UIImageview
的图像
我检查了其他答案,我按照他们说的方式做了,但它对我不起作用下面是我的代码,我将解释其中的其他内容
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
DetailViewController *svController = [[DetailViewController alloc] initWithNibName:@"DetailViewController" bundle:[NSBundle mainBundle]];
UIImage *image = [UIImage imageNamed:@"default.png"];
UIImageView* imageview = [[UIImageView alloc] initWithImage:image];
id obj = [[mainArray valueForKey:@"image"] objectAtIndex:[indexPath row]];
if ([obj isKindOfClass:[NSString class]])
{
NSLog(@" image%@",image); //print this image<UIImage: 0xaa70700>
NSLog(@" image%@",svController.image); //print this image(null)
[[svController image] setImage: image];
NSLog(@" image%@",svController.image); //print this image(null)
}
else {
NSLog(@" image%@",svController.image);
[[svController image] setImage: [[mainArray valueForKey:@"image"] objectAtIndex:[indexPath row]]];
NSLog(@" image%@",svController.image);
}
[self.navigationController pushViewController:svController animated:YES];
[svController release];
svController = nil;
}
下面是我的detailviewcontroller
@interface DetailViewController : UIViewController{
UIImageView *image;
}
@property (retain, nonatomic) IBOutlet UIImageView *image;
它连接到 Xib,我已经合成了它
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
name.text = nameString;
email.text = emailString;
NSLog(@"%@",image); // print this <UIImageView: 0x9d73950; frame = (27 35; 204 181); autoresize = W+H; userInteractionEnabled = NO; layer = <CALayer: 0x9db4050>>
}
当我发送 NSString
并将它们设置在我的标签上但无法用于图像时,它工作得很好,它太小了,但现在我不知道该怎么做,请帮忙
最佳答案
听说是简单的方法,我正在展示您可以在详细 View Controller 中设置图像的示例
在你的主视图 Controller 中
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if(indexPath.row == 0)//for 1st row
{
DetailViewController *detController = [[DetailViewController alloc]initWithNibName:@"DetailViewController" bundle:nil];
detController.detailImage = [UIImage imageNamed:@"abc.png"];//setting the property for image
[self.navigationController pushViewController:detController animated:YES];
[detController release];//im doing without ARC
}
else if (indexPath.row == 1)
{
DetailViewController *detController = [[DetailViewController alloc]initWithNibName:@"DetailViewController" bundle:nil];
detController.detailImage = [UIImage imageNamed:@"123.png"];
[self.navigationController pushViewController:detController animated:YES];
[detController release];//im doing without ARC
}
}
在你的细节 View Controller 中
// .h file
@interface DetailViewController : UIViewController
{
}
@property (retain, nonatomic) IBOutlet UIImageView *ImageView;
@property (nonatomic, retain)UIImage * detailImage;//set a property for image that u are passing from master viewcontroller
@end
//in .m file
@implementation DetailViewController
@synthesize detailImage; //synthesise it
// and in viewDidload method
- (void)viewDidLoad
{
[super viewDidLoad];
//set your passed image to image view
self.ImageView.image = self.detailImage;
}
更好
就是这样:
[self.navigationController pushViewController:svController animated:YES];
if(yourImage) //got UIImage reference then only set it
svController.yourImgView.image = yourImageHere
.................
<<Another code here>>
..............
就是这样....
关于iphone - 推送 View Controller 时无法设置 uiimageview 的图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18051041/