cocoa-touch

Using the iPhones Multi-Touch Keyboard Search Button

I have a regular text field on a view and I'd like to make use of the search button on the iPhones keyboard. For the life of me, I can't figure out how to do this. There doesn't seem to be any event exposed that I can wire up that specifically relates to the search button on the keyboard. I've googled around, but I also haven't found any...

Grouped items in Table view like the Mail app on the iPad

Hello, I'm trying to figure out how to group items like the grouped mail boxes in the mail app. I need it to be like selecting a mail box, when you tap it it loads new data, your inbox outbox and all of the other boxes for that mail account. Then you can tap back and return to all of your accounts. If anyone has a little sample code the...

handling the logout functionality on the iPhone

This is the first iPhone application i am working on. To use the application, the user has to login to our server. I am done with that part. Now the problem i am facing is how to logout the user from the server, deallocate all the memory and start afresh without quitting the app. After the user logs out, i want the exact same things to...

I need to load a video stored in Applications folder in to a UITableView ?

I need to load a video stored in Applications folder in to a table view. When I touched the cell the video plays. I used the following code to get all the video files in to an array. NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray* contents = [fileManager directoryContentsAtPath:@"/Users/srikanth/Desktop/...

Load low resolution image and progressive load of high resolution

How do I display a low resolution image on a page and then after a second delay load a high resolution version? Is this done with layers? Threads? ...

Cocoa Touch UITableView Alphabetical '#' Match All Unmatched

I have a UITableView containing names that I would like to group (and sort) by the first letter (similar to the Address Book application). I am currently able to match any section ('A'-'Z') using: // Sections is an array of strings "{search}" and "A" to "Z" and "#". NSString *pattern = [self.sections objectAtIndex:section]; NSPredicate ...

iPhone: Switching Views From Outside Root Controller

I am using a UINavigationController to switch between views. What I would like is for each view to have the ability to control when it is swapped out for another view by having buttons within the view. All of the samples I've seen thus far have placed buttons on a toolbar, which is located on the root view containing the Switch View Cont...

How can I detect if a string contains punctuation marks at the end?

Lets assume I have the string: "Hello I like your shoes #today...!" I am tokenizing the string by spaces: return [string componentsSeparatedByString:@" "]; So my array contains: Hello I like your shoes #today...! I want to focus on "#today...!" any word that has a # in the prefix I am changing the font color. How can I make sur...

Changing style of pickerview.

How can I change the style of pickerview. I want to change its white background to green color and its black frame to red color. Anyone please help. I am a beginner. ...

Keyboard blocking my view

I have a UIView with another UIView inside it. On the inside UIView there is a textbox which I want to fill in. When I try to fill it in the keyboard blocks my view: The UIViewController has the following containerView = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds]; self.view=containerView; //The apropriate releases etc ...

Display a view using modalPresentationStyle

Hello, I have heard that you can make a view popup like in the Mail app for iPad by using modalPresentationStyle. Im having a hard time figuring out how to use it though. I looked a this post here and still couldn't figure out how to do this task. If anyone could explain how to hook up the controllers to make this code work that would b...

Text inset for UITextField?

I would like to inset the text of a UITextField. Is this possible? Thanks. ...

How can I get the first element in an NSDictionary?

I have an array of NSDictionaries. How can I pull out the first element in the dictionary? NSArray *messages = [[results objectForKey:@"messages"] valueForKey:@"message"]; for (NSDictionary *message in messages) { STObject *mySTObject = [[STObject alloc] init]; mySTObject.stID = [message valueForKey:@...

Release Quickie

How to succinctly handle this situation. I'm not properly releasing contactDictionary in the if statement... NSNumber *pIDAsNumber; ... NSMutableDictionary *contactDictionary = [NSMutableDictionary dictionaryWithDictionary:[defaults dictionaryForKey:kContactDictionary]]; if (!contactDictionary) { con...

Why aren't Admob click callback delegate methods getting called?

I'm integrating the latest version of the admob sdk (version 20100412) into my app. The ads get displayed, but I need the app to make some changes when an ad is clicked and admob displays a full-screen browser. However, none of the callback methods (willPresentFullScreenModal, didPresentFullScreenModal, willDismissFullScreenModal, and d...

UITextField with numbers and default keyboard

Created a UITextField for "Postal Code/ZIP" field with a keyboardType of UIKeyboardTypeDefault. I would like to use the default keyboard but want the numbers & symbols to be shown by default as apposed to letters. Apple does this when you are entering addresses in the Contacts.app. Anyone know how to get this accomplished? ...

UITableView in popover doesn't stop scrolling

I have a UITableView being shown in a popover. One cell in my table view has a UITextField in it. When the text field is being edited (the keyboard is visible) and I rotate the device from portrait to landscape and then try to scroll the table view, it keeps going past its bounds, instead of stopping and "bouncing". Does anyone know how...

Learning using layers and CoreAnimation for iphone

Except for the official docs, what is a good resource for learning how to use CALayers and Core Animation efficiently/correctly? ...

Memory Leaks when touching UITableViewCells and poping off view.

Hi All, I'm currently having a problem where the leaks tool is reporting a slew of memory leaks after clicking on cells within a UITableView and then hitting the back button and popping off the view. Majority of the leaks reported can not be traced back to any specific location in my code, they are: Leaked Object # Address Size Respon...

Checking if a NSInteger is odd or even.

I have been trying to check whether an NSInteger is odd or even. I have found a way to do it using C but it doesn't work with Objective-C. How would I do this? ...