files in ipad device?
is it possible to load other file like video,music into device directly through itune? ...
ipad
Show a UINavigationBar back button without pushing a view controller
In the iPad's Photos app, when you tap an album the stack of pictures expands to fill the screen - you're in the same view, it's just rearranged the grid a little. But at the top, a left-arrow-style Back button appears, as if pushViewController had been used - except it fades in neatly, rather than sliding in. When you tap that, it fades...
Only numbers as keyboard input for ipad
I have to display a number pad as keyboard for a textfield (it can take only numerals) in case of ipad.setting keyboard type as UIKeyboardTypeNumberPad displays numeric keyboard but user can switch back to alphabets.Is there any keyboard for ipad that just displays numbers? ...
Application Crashes due to Low memory
My app crashes after playing for more than 30 min on some screen due to low memory will my app get reject due to this? actually i tried a lot to solve but it shows no trace in instrument i even did all permutation combination of code by commenting checking what causing the problem but i was not successful to solve it yet. its an ipad ap...
Let the iPhone talk to a Windows Service
Hi, I was wondering how I can let my iPhone talk to a windows service, so for example when I press a button on the iPhone, a messagebox is shown on the windows machine. Hope somebody has some good tutorials or sample code that will get me going... Thanks in advance! ...
how to present the HTML output to the view
i hav an html file which displays table view ,how to load this on the ipad view .. and i want to enter the values to the fields of table view in html o/p.... any ideas .. Thanks in advance... ...
Using Three20 Library
Hello, I'm a baby ipad developer I want to use three20 library in my project and I add this library correctly to my project but when I used it, I got a lot of errors fro example when I add " #import "extThree20JSON/extThree20JSON.h" to my project , xcode said:I don't know any classes or ... with this name I know I forgot to do something...
What are some ways I can sync iPhone Game data between multiple devices?
From the Getting Started with Game Center doc A player might have the same Game Center enabled game loaded on multiple devices. If your app has reported progress on an achievement from one device, note that the same achievement progress data will be provided by Game Center on other devices where the user plays your game. However, other ...
File sharing not working on iPad
I am trying to get file sharing to work on my app in iPad. I've added UIFileSharingEnabled to the plist, I've queried the documents dir and written a file there (and verified it is there by looking at it through Organizer). iTunes just refuses to display the file sharing info in the device's apps tab. Does anyone know of any obscure s...
Why does view property of UIViewController increments retainCount on every access?
So this is the question. Why does it do it? Even when a do something like this NSLog(@"view's retainCount %d", [viewController.view retainCount]); it increments the retain count. ...
How to tell when a UIView gains focus
On the iPhone, we can simply use (void) viewDidAppear:(BOOL)animated; to perform actions when a view becomes the focus. In some events, we have a modal view with another modal view on top of it and, on the iPhone, closing the topmost modal view will fire the viewDidAppear for the lower modal view. This is not the case for the iPad, as t...
Is there a UIView resize event?
I have a view that has rows and columns of imageviews in it. If this view is resized, I need to rearrange the imageviews positions. This view is a subview of another view that gets resized. Is there a way to detect when this view is being resized? ...
iOS - NSNotificationCenter memory leak
Instruments reports this a memory leak (98.6%, whatever that means): [[NSNotificationCenter defaultCenter] postNotificationName:kNotificationSomeNotification object:self]; "self" is a subclass of UIImageView. Is including "self" in the notification causing a memory leak? If so, how do you resolve it? ...
Can I use UITabBarController as a simple viewController switcher?
Hi, I'm creating an iPad app based on a UINavigationController (with the bar hidden) so I can push and pop other viewControllers for navigation around the app. However, I am now wanting to add a section in which there are two viewControllers that I want to be able to switch between, so in other words they are side-by-side, rather than h...
What are Sockets, Pipes and Devices?
I'm studying the Low-Level File Management Programming Topics from Apple. In the NSFileHandle section, they say: The scope of NSFileHandle is not limited to files. It provides the only Foundation object that can read and write to communications channels such as those implemented by sockets, pipes, and devices. That sounds...
Difference between -fileHandleForWritingAtPath: and fileHandleForUpdatingAtPath: ?
For me it sounds like the same thing. Updating a file implies to write to the file. Writing to a file is also an update for me. But I guess there's a subtle difference ;-) Does anyone know? ...
Will Apple reject my iPad app if it doesn't rotate?
I made an universal binary and didn't implement any sort of device orientation rotation. Is that a reason for rejection? ...
What exactly is a communication channel?
When I look at the NSFileHandle API docs, I see there are a lot of networking methods talking about sockets and stuff like that... At the top, they say: NSFileHandle objects provide an object-oriented wrapper for accessing open files or communications channels. What's an "communication channel" here? Are there some practical e...
Is interprocess communication relevant on the iPhone or iPad?
Is interprocess communication relevant on the iPhone or iPad? Because there's NSPipe available... ...
Does NSFileHandle create the sockets for me?
Does NSFileHandle create the sockets for me? Or must I create them myself and then setup an NSFileHandle to use that socket? ...