【发布时间】:2011-08-18 07:46:09
【问题描述】:
我正在尝试将数组中的图像显示到 uiimageview,但它只显示最后一张图像。有什么建议吗?
for (int i = 0; i < [fileArr count]; i++)
{
NSArray *fileNameArr = [[fileArr objectAtIndex:i] componentsSeparatedByString:@"."];
check=line;
NSString *msg = [textView.text stringByAppendingString:[NSString stringWithFormat:@"Opening image: %@\n",[fileArr objectAtIndex:i]]];
[textView performSelectorOnMainThread:@selector(setText:) withObject:msg waitUntilDone:NO];
line=line+1;
[image removeFromSuperview];
[image release];
image = nil;
//specify the image path, open the image file with UIImage library
NSString *imagePath = [NSString stringWithFormat:@"%@/%@",jfn1,[fileArr objectAtIndex:i]];
NSString *imageFile = [NSHomeDirectory() stringByAppendingPathComponent:imagePath];
NSString *pathExtension = [imageFile pathExtension];
NSLog(@"----------------------------");
NSLog(@"ImageFile: %@\n",imageFile);
NSLog(@"File Extention: %@\n", pathExtension);
NSLog(@"Interger value: %i\n",i);
UIImage *myImage = [UIImage imageWithContentsOfFile:imageFile];
NSLog(@"Image Width: %f", myImage.size.width);
NSLog(@"Image height: %f", myImage.size.height);
image = [[UIImageView alloc] initWithImage:myImage];
image.contentMode = UIViewContentModeScaleAspectFit;
[scrollView addSubview:image];
【问题讨论】:
-
如何填写fileArr?如果可能,请发布代码。
-
您将在每次迭代中删除您的图像视图。为什么责怪“它”只显示最后一个???
-
- (NSArray *) listAndPopulateFileArray:(NSString *)jfn1 { NSFileManager *fileManager = [NSFileManager defaultManager]; NSString *jFolder = [NSHomeDirectory() stringByAppendingPathComponent:jFolder]; NSArray *imageList = [fileManager contentsOfDirectoryAtPath:jobFolder error:nil];返回图像列表; }
标签: iphone arrays image uiimageview