uiimageview

UIImagePickerController Save to Disk then Load to UIImageView

Hi, I have a UIImagePickerController that saves the image to disk as a png. When I try to load the PNG and set a UIImageView's imageView.image to the file, it is not displaying. Here is my code: (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [in...

how to apply the center of image view for another image view center

hi, I am developing image redraw app. i know the center of one image view which is having scaling property. i.e it can change it frame and center . that to be applied to another view center. when i apply center to newly formed Image view it giving wrong center because of the previous image view is having scaling property. so how can i ge...

Progressive download of images in a UITableView

Hi everyone, I'm developing on the iPhone and I have seen in the AppStore that the images are progressively downloaded in the UITableView... How can I implement that? My idea was to detect the showed content (which cells are shown) and download these images. My problem is that I don't know how to detect the showed cells! Is it the good w...

Creating a horizontal line

I have two labels that are stacked. If I want a horizontal line between them, is there any other way besides using an image with a UIImageView? ...

Preview rounded image in iphone

Hi, can anyone tell me how can I create an image preview inside a customized cell with the aspect of the ones loaded in the mms'. I've been trying to do it by changing values in IB and I haven't been able to. Thanks a lot! ...

memory warning issue while using renderInContext

hi, I am developing image saving app. i am using two high resolution images(1200*1600) to get single image of high resolution(1200*1600), which is drawing from both images like photo in frame . here i am using renderInContext to draw a single image. but its giving memory warning issue and crashes the app. its happening consistently. plea...

Is there any reason why we don't use subclasses of UIImageView ?

Hey everyone, I'm currently trying to create a subclass of UIImageView in order to make it download its image from server asynchronously ;) I tried to do it by myself but I haven't gone very far yet :D Anyway, I looked around here and found this : AsyncImageDownload I had a look at the code and the first which springs to mind is : ...

uiimage oncomplete iphone

Is there such a thing as an "on load complete" for images in iphone? I want to be able to destroy a UIActivity indicator once and image is loaded. What the general best practice for doing this? ...

uiscrollview not switching image subviews

I'm building a comic viewer app, that consists of two view controllers, the root viewcontroller basically displays a view where a user decides what comic they want to read by pressing a button. The second viewController actually displays the comic as a uiscrollview with a toolbar and a title at the top. So the problem I am having is th...

iPhone SDK Touches Moved?

I'm trying to figure out how to make it so that when I'm moving an object around, I'm not "holding" it in the center of the object, but rather towards the left or right. This is my code so far... - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{ UITouch *myTouch = [[event allTouches] anyObject]; image1....

one more question on sqlite3 for iphone..sorry*

let's say i am trying to save an image selected from photo library to database..is the following code correct? Snap.m - (void) addSnap { if(addStmt == nil) { const char *sql = "insert into Snap(snapTitle, snapDesc, snapImage) Values(?, ?, ?)"; if(sqlite3_prepare_v2(database, sql, -1, &addStmt, NULL) != SQLITE_OK) NSAssert1(0,...

Does this have to be released?

I've done a lot of research on when it's correct to release things, but it's all confusing to me. I think sometimes the Leaks program is off. Anyway... background is a UIImageView background.image = [UIImage imageNamed:@"greenbackground.png"]; Do I have to release background? I never alloced it and it's not set as a property, so I...

iPhone SDK : UIImageView - Collapsing animation

Hi All, I'm trying to animating across the screen a horizontal bar with a color gradient. For simplicity, I chose to make a png of the fully extended bar, assign it to a UIImageView, and (attempt to) animate resizing of it using a UIView animation. The problem is that in the "closed" state of the Image, the portion of the image showing ...

UIImageView is clipping a pixel of the bottom of my UIImage...?

I'm not sure what might be causing this, but UIImageView occasionally clips off about a pixel or 2 from the bottom of some square/rectangular UIImages I'm using as subviews for UITableViewCells. These UIImageViews are well within the borders of the cell, so it shouldn't be due to cliptobounds. There seems to be no consistency or pattern ...

Reason why UIImageView gives me a 'distorted' image sometimes

I have a custom UIView with a UILabel and a UIImageView subview. (tried using UIImageView subclass aswell). I assign an image to it and add the view to the screen. I wrote a function which adds the amount of LetterBoxes to the screen as there are letters in the word: - (void)drawBoxesForWord:(NSString *)word { if(boxesContainer == nil) ...

how to retrieve image from sqlite3?

sorry guys..i know i had been asking alot of question..but ironically few has given me solution, and so now i really need a solution to the final part of my app?how to i retrieve image from sqlite to be display in the uiimageview?with conversion... NSData *imgData = [[NSData alloc] initWithBytes:sqlite3_column_blob(selectstmt, 3) length...

How to change the UIImage of a UIImageView from a subview?

I want to change an image on a view, from a popup dialog of 4-6 icons (imagine like changing your image on a messenger application). The way I implement this modal popup is by creating a new view at IB, with opacity on the background, and then I load this as a subview: IconsViewController *iconsViewController = [[IconsViewController...

View doesn't respond to touches after shake

In my app I've implemented a shake event and it shows a UIImageView. When the UIImageView is shown, I hide the Nav Bar with: [self.navigationController setNavigationBarHidden:YES animated:NO]; And after that I want to bring it back when user touches the screen: - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { [[...

Problem releasing UIImageView after adding to UIScrollView

I'm having a memory problem related to UIImageView. After adding this view to my UIScrollView, if I try to release the UIImageView the application crashes. According to the stack trace, something is calling [UIImageView stopAnimating] after [UIImageView dealloc] is called. However, if I don't release the view the memory is never freed up...

UIImageView rotation (NOT the image, but the view)

Hi. How do I rotate the ImageView ... i'm trying to use landscape mode, and have a problem with accelerometer moving the image ... Because when I work in portrait mode the x of accelerometer is the same as the x of the image ... But when I work landscape, the x of accelerometer is the y of the image, because the ImageView autorotates wi...