Iphone 如何为imagePickerController中保存的图像命名
我正在使用imagePickerController替换视图中的现有图像。该函数在同一IB文件中工作。不过,我也希望将所选图像加载到另一个IB文件中。我认为解决方案是在保存图像时为其命名。保存后,我想从内存中调用另一个IB文件中的图像(按名称) 下面是我在photopicker IB文件中使用的一小部分代码Iphone 如何为imagePickerController中保存的图像命名,iphone,save,uiimagepickercontroller,imagenamed,Iphone,Save,Uiimagepickercontroller,Imagenamed,我正在使用imagePickerController替换视图中的现有图像。该函数在同一IB文件中工作。不过,我也希望将所选图像加载到另一个IB文件中。我认为解决方案是在保存图像时为其命名。保存后,我想从内存中调用另一个IB文件中的图像(按名称) 下面是我在photopicker IB文件中使用的一小部分代码 -(IBAction)setPhoto{ image1.image = fotoView.image; } -(IBAction)getCameraPicture:(id)sen
-(IBAction)setPhoto{
image1.image = fotoView.image;
}
-(IBAction)getCameraPicture:(id)sender
{
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.allowsImageEditing = YES;
picker.sourceType = (sender == takePictureButton) ? UIImagePickerControllerSourceTypeCamera :
UIImagePickerControllerSourceTypeSavedPhotosAlbum;
[self presentModalViewController: picker animated:YES];
[picker release];
}
-(IBAction)selectExitingPicture
{
if([UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypePhotoLibrary])
{
UIImagePickerController *picker= [[UIImagePickerController alloc]init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentModalViewController:picker animated:YES];
[picker release];
}
}
-(void)imagePickerController:(UIImagePickerController *)picker
didFinishPickingImage : (UIImage *)image
editingInfo:(NSDictionary *)editingInfo
{
[picker dismissModalViewControllerAnimated:YES];
fotoView.image = image;
NSData* imdata = UIImagePNGRepresentation ( image );
UIImage* im8 = [UIImage imageWithData:imdata];
UIImageWriteToSavedPhotosAlbum(im8, nil, nil, nil);
}
-(void)imagePickerControllerDidCancel:(UIImagePickerController *) picker
{
[picker dismissModalViewControllerAnimated:YES];
}
在我的另一个班级中,我想通过以下方式将此图像称为:
if (#some condition){
UIImage *img = [UIImage imageNamed:@"Name of the image.png"];
[image1 setImage:img];
}
非常感谢您的帮助选择图像并将其保存到目录的方法:
- (void)imagePickerController:(UIImagePickerController *)picker
didFinishPickingImage:(UIImage *)image
editingInfo:(NSDictionary *)editingInfo {
[picker dismissModalViewControllerAnimated:YES];
NSString *docDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *pngFilePath = [NSString stringWithFormat:@"%@/MyName.png",docDir];
NSData *data = [NSData dataWithData:UIImagePNGRepresentation(image)];
[data writeToFile:pngFilePath atomically:YES];
}
Lateron您可以使用以下命令调用它:
NSString *docDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *pngFilePath = [NSString stringWithFormat:@"%@/MyName.png",docDir];
UIImage *image = [[UIImage alloc] initWithContentsOfFile:pngFilePath];
很好的答案,也是我一直在寻找的解决方案。非常感谢