Iphone UIImageWriteToSavedPhotosAlbum未将图像保存到相册
当用户长按图像时,我试图将图像从scrollview保存到相册中,操作表会显示“保存照片”按钮,当点击“保存”按钮时,它不会将图像保存到相册中Iphone UIImageWriteToSavedPhotosAlbum未将图像保存到相册,iphone,uiscrollview,uiimageview,ios6,photo,Iphone,Uiscrollview,Uiimageview,Ios6,Photo,当用户长按图像时,我试图将图像从scrollview保存到相册中,操作表会显示“保存照片”按钮,当点击“保存”按钮时,它不会将图像保存到相册中 - (void)viewDidLoad { self.view.backgroundColor = [UIColor blackColor]; UIScrollView *imageScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.
- (void)viewDidLoad
{ self.view.backgroundColor = [UIColor blackColor];
UIScrollView *imageScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
imageScrollView.pagingEnabled = YES;
NSInteger numberOfViews = 61;
for (int i = 0; i < numberOfViews; i++) {
CGFloat xOrigin = i * self.view.frame.size.width;
UIButton *myButton = [UIButton buttonWithType:UIButtonTypeCustom];
[myButton addTarget:self action:@selector(dismissView:) forControlEvents:UIControlEventTouchUpInside];
myButton.frame = CGRectMake(xOrigin, 10, 60, 35);
//[myButton addGestureRecognizer:tap];
[myButton.layer setMasksToBounds:YES];
[myButton.layer setCornerRadius:10.0f];
myButton.layer.borderWidth = 2;
myButton.layer.borderColor = [[UIColor whiteColor] CGColor];
[myButton setTitle:@"Done" forState:UIControlStateNormal];
myButton.backgroundColor = [UIColor clearColor];
NSString *imageName = [NSString stringWithFormat:@"image%d.png", i];
UIImage *image = [UIImage imageNamed:imageName];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
_imageView.tag = 128;
imageView.frame = CGRectMake(xOrigin, 0, self.view.frame.size.width, self.view.frame.size.height);
UILongPressGestureRecognizer *gestureRecognizer = [[UILongPressGestureRecognizer alloc]
initWithTarget:self
action:@selector(handleLongPress:)];
//imageScrollView.userInteractionEnabled = YES;
[imageScrollView addGestureRecognizer:gestureRecognizer];
gestureRecognizer.delegate = self;
[gestureRecognizer release];
[imageScrollView addSubview:imageView];
[imageScrollView addSubview:myButton];
//[imageView release];
}
imageScrollView.contentSize = CGSizeMake(self.view.frame.size.width * numberOfViews, self.view.frame.size.height);
[self.view addSubview:imageScrollView];
[imageScrollView release];
}
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
switch (buttonIndex) {
case 0:
[_imageScrollView viewWithTag:128];
UIImageWriteToSavedPhotosAlbum(_imageView.image, self, @selector(image: didFinishSavingWithError:contextInfo:), nil);//When i add breakpoint at this statement in result it shows storage zero but alert view says success photo got saved in photo album
break;
default:
break;
}
}
- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo
{
if (error != NULL)
{
alert = [[UIAlertView alloc] initWithTitle:@"Error"
message:@"Unable to save image to Photo Album."
delegate:self cancelButtonTitle:@"Ok"
otherButtonTitles:nil];
} else{
alert = [[UIAlertView alloc] initWithTitle:@"Success"
message:@"Image saved to Photo Album."
delegate:self cancelButtonTitle:@"Ok"
otherButtonTitles:nil];
[alert show];
[alert release];
}
}
-(void)viewDidLoad
{self.view.backgroundColor=[UIColor blackColor];
UIScrollView*imageScrollView=[[UIScrollView alloc]initWithFrame:CGRectMake(0,0,self.view.frame.size.width,self.view.frame.size.height)];
imageScrollView.PaginEnabled=是;
NSInteger numberOfViews=61;
对于(int i=0;i
请帮忙
谢谢这可能是隐私设置的问题-人们一直在我的应用程序中遇到此问题,并且没有报告任何错误消息。理论上,试图保存照片时,应自动询问用户是否允许应用程序访问其照片,但在某些情况下,用户需要转到“设置”>“隐私”>“照片”,并确保允许您的应用程序。您是否记录了任何内容?为什么有两个分号;;在UIImageWriteToSavedPhotosAlbum函数的末尾?是否收到任何错误消息?仅从您提供的代码很难判断。请在didFinishSavingWithError上设置一个断点,然后查看它的去向。让我们让您检查照片库中是否有照片。