uikit

How to create UIButtons anchored to the bottom of the view?

What's the best practice to create a few UIButtons in code that are anchored to the bottom of the view with a predefined spacing between each? ...

Why do I get a memory leak when adding a button as a subview?

I have an app that uses a tableview, along with a UIButton that I add as a subview to each custom cell, like this: UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; chec...

How to store the selected image in library to NSString

I want to get the complete url of selected image from photo library in iphone to NSString. Is it possible My code is NSString * filePath; UIImagePickerController * picker; picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrar...

How to change rowHeight of a TableViewCell depending on Stringlength

I have a table with different entries, each with different length. The height of each row should fit, so it can show the whole string. I use the following code: //... cellForRowAtIndexPath if (row == 0) { cell = [tableView dequeueReusableCellWithIdentifier:@"affCell"]; //if (!cell) { cell = [[[UITableViewCell alloc] initW...

UINavigationController autoresizing views behavior

I've read in Apple's documentation about UINavigationController's resizing behavior and it hasn't been much of a problem until now. I have the following code to set up my UINavigationController's view: navController.view.frame = CGRectMake(0, 40, 320, 420); and this is sufficient until the view is obscured by a modal view, at which po...

Source of UIView Implicit Animation delay?

I have a block of UIView animation code that looks like this: [UIView beginAnimations:@"pushView" context:nil]; [UIView setAnimationDelay:0]; [UIView setAnimationDuration:.5]; [UIView setAnimationDelegate:self]; [UIView setAnimationWillStartSelector:@selector(animationWillStart)]; view.frame = CGRectMake(0, 0, 320, 416); [UIView commit...

Core Data 1-to-many relationship: List all related objects as section header in UITableView

Hi: I struggle with Core Data on the iPhone about the following: I have a 1-to-many relationship in Core Data. Assume the entities are called recipe and category. A category can have many recipes. I accomplished to get all recipes listed in a UITableView with section headers named after the category. What i want to achieve is to list all...

UITableView + Add content offset at top

I need to add some blank space to the top of my UITableView that does not effect the size of the content area. Shifting the content down or adding a blank cell is NOT what I want to do. Instead I just want an offset. Any idea? ...

Hiding a UINavigationController's UIToolbar during viewWillDisappear:

I've got an iPhone application with a UITableView menu. When a row in the table is selected, the appropriate view controller is pushed onto the application's UINavigationController stack. My issue is that the MenuViewController does not need a toolbar, but the UIViewControllers which are pushed onto the stack do. Each UIViewController t...

iPhone UIBarButtonItem setCustomView: method?

Hi, I want to customize a UIBarButtonItem's background. Here's the code I use: UIButton *button = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain]; [button setBackgroundImage:[UIImage imageNamed:@"ButtonBackground.png"] forState:UIControlStateNormal]; [editButton setCustomView:button]; // editButton is the UIBarButtonItem U...

UIAlert button size

Is there a way to specify the size of a UIAlert button? Is there a way to specify the layout of buttons on UIAlert? Like having three buttons next to each other and a cancel button on the buttom? ...

Basic iPhone table question

Hi, In IB, I dragged a UITableViewController object from the library into the project. Then, a tableview popped up. How do I get that tableview inside my already existing window? Thanks, I'm totally lost! Roger ...

iPhone dev - Set position of a view in viewDidLoad

So, in Interface Builder I have a view within the superview that contains two Image View objects. I'd like to move that view off the screen when the app launches so it can be animated to move into place. The view is described as pictureFrame in the .h file for the interface, and I have the view mapped to the outlet pictureFrame. Here is ...

Text input box like the SMS app on the iPhone

I am having a terrible time trying to get an input box like the one in the SMS app. Can anyone offer some guidance on how to build one of these and make it look good? I need an input box that is shaped nicely like the UITextfield but will stretch vertically when typing. I assume that I need to calculate width of the text and stretch ...

Reddit Browser Buttons iPhone App

Does anyone have any idea on how the developers of the reddit iphone application created the browser buttons which appear in the navigation bar when viewing external sites? does rightBarButtonItem accept any view -> did they just create a view with multiple buttons and assign it to self.navigation.rightBarButtonItem or did they subclass...

How do I scroll a set of UIScrollViews together?

Setup: I have a UITableView, each UITableViewCell has a UIScrollView. What I am trying to do is to get all of the UIScrollViews to scroll together, such that when you scroll one of them all of the UIScrollViews appear to scroll simultaneously. What I've done is subclass UITableView so that it has an array of all of the UIScrollViews wit...

PLEASE HELP unknown error [UIWindow endDisablingInterfaceAutorotation] ?

I am receiving this error. I have no clue as to why it would be called, and google didn't really help, any suggestions? -[UIWindow endDisablingInterfaceAutorotation] called on <UIWindow: 0x4e0ec50; frame = (0 0; 320 480); opaque = NO; autoresize = RM+BM; layer = <CALayer: 0x4e0f9e0>> without matching -beginDisablingInterfaceAutorotation...

Alternative for sizeWithFont: method

Hi! I have a class which work is to parse a text into several pages. I use sizeWithFont: method to identify when one page ends and another starts. But unfortunately since the amount of text which needs to be parsed is pretty big, whole operation needs to be performed on a background thread (takes several second to complete). And therefo...

Proper way to push a view controller

I have a UIViewController that I wish to push onto the stack, however, when I call [viewController release] on it after I push it, any time I pop it off of the stack however, I get various errors pertaining to deallocated instances of the view controller. Here is an example of an implementation: RootViewController *rootViewcontr...

Laying Out UIView Subviews with Size Constraints

Given a view hierarchy that looks something like this: ContainerView UIScrollView ModuleView ModuleView ModuleView ... I'd like the ContainerView to lay the ModuleViews out in some arbitrary fashion (list, grid etc.). To do this, I'd implement -[ContainerView layoutSubviews] which would iterate through the ModuleView...