iphone

developing iphone apps on windows is it worth the hassel

I'm only after a simple solution and won't be developing anything particularly complex. But I'm wondering whether the hassals of developing an iPhone app NOT on MacOS are really that significant to avoid giving it a shot. Bearing in mind that I do have access to a mac every now and again. So I would be able to compile it using the offici...

where can i download MGTwitterEngine for iphone sdk

hi , this is the MGTwitterEngine page code ! but how can i download it ? and has any sample code? http://svn.cocoasourcecode.com/MGTwitterEngine-1.0.8/ ...

copy HTML to UIPasteboard

Hi, I want to transfer HTML from my app to the iPhone mail application. I already have the HTML text - lest say span style='color:red'>Test/span> I can place this to UIPasteBoard - but when I paste it to mail I get the html source. When I place the same string in a HTMLView - select it there and copy it it pastes as red text in mail. ...

How to fix slow scrolling when using webkit-transform and relative positioning on the iphone

I have implemented scrolling of a div by using relative positioning and webkit animation for the iphone, it works beautifully on desktop safari but is choppy on the actual iphone (fine on the simulator). The scrolling works by having a div nested and clipped (overflow:hidden) by its parent. I then set the top position and animate it wit...

Converting NSMutableData to NSString Problem

initWithData does not convert my data object into a string properly. When I check the length of the data object, it has a value. NSMutableData* receivedData =[[NSMutableData data] retain]; NSString* json_string = [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding]; Am I doing something wrong creating the st...

How do I set an ABPeoplePickerNavigationController's prompt?

This is the code I'm using to call the people picker, but the prompt label text doesn't change: ABPeoplePickerNavigationController *picker = [[ABPeoplePickerNavigationController alloc] init]; picker.peoplePickerDelegate = self; picker.displayedProperties = [NSArray arrayWithObjects: [NSNumber numberWithInt:kABPersonEmailProperty], nil];...

Can a ViewController (AdMob AdViewController) control a view that is a subview of the controlled view of another UIViewController?

I am trying to use the IB AdMob ad in my app. I followed the instructions provided but I am getting an EXC_BAD_ACCESS from the AdMob class. I am trying to figure out what the problem is. Anyway, my question is Can a ViewController (AdMob AdViewController) control a view that is a subview of the controlled view of another UIViewControll...

IPhone SDK - Transition to NavigationController display problem

Hi, I am nearly finished with my first IPhone app and everything works fine - except of one very little display bug: My starscreen is an UIView (Fullscreen) without Navigationbar or Toolbar. If I tap on a start button, there is an UIViewAnimationTransitionFlipFromRight animation that flips to the main navigation controller: -(IBAction...

UIDatePicker in UIDatePickerModeCountDownTimer mode: how to get/set the hours and minutes via code?

Hello, guys. How to get/set the hours and minutes via code from a UIDatePicker in UIDatePickerModeCountDownTimer mode? The situation: I have an interface in that a user selects just hours and minutes. Then, he saves the information (so, I have to get the hours and minutes from UIDatePicker via code to save in a DB). When the user is ...

Where's the iPhone MIME type database?

I have a program for the iPhone that is supposed to be doing intelligent things (picking out appropriate icons for file types) given a list of filenames. I'm looking for the iPhone take on something like /etc/mime.types or something similar- an API call is what I'm assuming would be available for the phone. Does this exist? ...

CFNetwork / NSURLConnection leak

Running instruments on the device, I intermittently incur a memory leak of exactly 3.5 KB in CFNetwork, the responsible frame being "HostLookup_Master::HostLookup...." I have read a number of questions re this issue and have separately tried the following to fix the leak: Included the following in applicationDidFinishLaunching: NSURL...

How costly performance-wise are these actions in iPhone objective-C?

This is really a few questions in one, I'm wondering what the performance cost is for these things, as I haven't really been following a best practice of any sort for these. The answers may also be useful to other readers, if somebody knows these. (1) If I need the core data managed object context, is it bad to use #import "myAppDeleg...

Need help with text animation within UITableViewCell

I'm trying to implement a simple text animation in a custom UITableViewCell without having to go into editing mode which automatically brings up the delete button on the right. What I'm trying to accomplish is that when the label is updated by a button within the UITableviewcell, the text in the label is updated but with some smooth anim...

Maximum executable size on the iPhone?

Is there a maximum size of executables or executables + shared objects on the iPhone? I've been developing an app that has been crashing on startup or early in execution with SIGSYS. Removing code from the program has helped, though structuring data so the code is simply not executed does not. This could be memory corruption, of some ki...

Before data is entered, is there a way to make a grouped table graphic placeholder?

I have a grouped table with 3 sections, each section with a title. The 1st and 3rd sections always have only 1 row of information so before any user data is entered, I just put some words like "Enter Data Here..." as placeholder text. This text is edited (replaced) by the user with their own actual data. No problem. The 2nd section h...

Objective-C Class Question?

Hey, My head is about to explode with this logic, can anyone help? Class A #imports Class B. Class A calls Method A in Class B. This works great Class B wants to send a response back to Class A from another method that is called from Method A. If you #import Class A from Class B, it is in effect an infinite loop and the whole thing cr...

UISearchBar- change scope without greying out table?

How can I allow a change in scope without having the table grey out, the search field become first responder and keyboard popup? I simply want to refresh the data shown based on the scope. Thanks Greg ...

iPhone framework three20

What's the best way to customize the Table Items to include two images. I'd like to set one as a background with another layered above it along with text. Any help is much appreciated. ...

Question regarding the iPhone In App Purchase capabilities

Hi everyone. I am working on releasing an app that will greatly benefit from using the in app purchase model. The app is a sort of book viewer, and the content I would like to make available for purchase will be more books in various languages. Each book is stored in sqlite format, in separate .db files. Now, the way that my developer ha...

How do you determine with CLLocationManager when a user denies access to location services?

With CLLocationManager I can use the following code to determine if I can access location services on the device. This is the master setting for all apps and can be turned on and off. if (self.locationManager.locationServicesEnabled) { [self.locationManager startUpdatingLocation]; } But a user can deny access to an individual app ...