cocoa-touch

Syncing Online Content with iPhone Application

Hi Everyone: I am looking for some way to sync a online XML file with my iPhone application and only download the newest changed items. Each item is marked with a date attribute, so I assume this is possible. I have heard that Core Data can accomplish this task, but I am unsure of the suggested method and how to approach implementing ...

UIView animations: the "beginAnimations:context" method

Hey there, I'm doing a lot of animations in my app, and I was wondering whether passing nil as the context parameter to [UIView beginAnimations:context] is ok to do. When would I want to pass anything in as the context param and why? ...

UIBarButtonItem: target-action not working?

Hey fellas, I've got a custom view inside of a UIBarButtonItem, set by calling -initWithCustomView. OK, so the view renders fine, but when I tap it, it doesn't call the method that I set as the UIBarButtonItem's action property. Oh, and I have verified that my -deselectAll method works fine. Keep in mind that I am not using Interface...

How do I make a universal iPhone / iPad application that programmatically uses UISplitViewController and UINavigationController?

I couldn't find a good answer anywhere to this. I am using a UINavigationController for my iPhone app, with everything is generated programmatically, nothing in Interface Builder. I am trying to port my app to iPad, using a UISplitViewController and my existing UINavigationController, but I am not sure where I should have the logic of ...

disable javascript in a UIWebView

Hi, Is there a way to disable the Javascript in a UIwebView ? I have memory consumption problem, and I'm looking for a trick here because it seems to not be be possible with the official stuff. Maybe a call with javascript can stop javascript itself, i don't know. Thanks in advance for any help, Adrian C ...

Is there a way to detect non-movement (touch events) ?

Is there a way to detect a finger's non-movement by using a combination of UITouch events? The event methods touchesEnded and touchesCancelled are only fired when the event is cancelled or the finger lifted. I would like to know when a touch has stopped moving, even while it is still touching the screen. ...

Connecting ipad to external monitor

I am trying to connect my ipad app to an external screen using the following (not checking the correct resolution for now - just want it up and running). - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [window addSubview:[navigationController view]]; if ([[UISc...

UIView capturing all events

I have a UIView that uses several UIGestureRecognizers and this view again has at least one child view that contains a MPMoviePlayerController. When a touch event occurs over the movie player, the main view seems to 'eat' all the events, leaving the media player idle. How can I make sure that the events are delivered correctly to the p...

Lua-Objective-C bridge on the iphone

I have partially ported the LuaObjCBridge to the iPhone. Most things work but there are still some issues I have to deal with. There are sections where #defines are defined with-respect-to intel or ppc. Is the ARM chip closer to intel or ppc? Here is the most relevant section where most of the defines are: #if defined(__ppc__)||define...

how to display HTML in a UITextView

essetially I just want formatted HTML rendered in the UITextView, should I be using the undocumented setContentToHTMLString? I feel that I should not be using that, I have tried it, but the text (after being rendered as HTML) does not scroll properly, which is why I suspect its not documented... Should I just use a UIWebView? Can I just...

UITableViewCellSeparatorStyleNone does not hide blue separator line when selecting in UITableView

Before describing the problem, let me first point out that this is a distinct issue from this question. The Problem This screenshot was taken with a break set at tableView:didSelectRowAtIndexPath:, and as you can see in the simulator (far right of the image), there's a single-pixel blue line at the bottom of the selected cell. This is ...

NSDateFormatter problem

I am trying to get NSDate from string but its returning nil. I tried this: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy-mm-dd'T'HH:mm:ss'Z'"]; NSDate *date = [dateFormatter dateFromString:@"2010-05-07T10:12:32UTC"]; NSLog(@"Success date=%@",[date description]); Thanks ...

How to stop the horizontal scrolling programmatically ?

I have a UITextView *textView in cocos2d's CCLayer. The text is scrolling in both the horizontal and vertical directions. But, I need it to scroll and bounce only in vertically. How to stop the horizontal scrolling programmatically ? UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(100,200, windowSize.height/2,w...

asynchronous method executing

I have a delegate method with the following tasks: get something from the internet (ex: some image from a web site); process that image in a certain way; display the result in a subview ; getting the image takes some time, depending on the network's speed so the result of its processing is displayed in the subview after that little w...

Asynchronous NSURLConnection Throws EXC_BAD_ACCESS

I'm not really sure why my code is throwing a EXC_BAD_ACCESS, I have followed the guidelines in Apple's documentation: -(void)getMessages:(NSString*)stream{ NSString* myURL = [NSString stringWithFormat:@"http://www.someurl.com"]; NSURLRequest *theRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:myURL]]; NSURLCo...

is that required to create svn from terminal if we have already another svn?

hellow All, i am working with a subversion , first time it created from terminal. Now i want to work with another subversion so can i create the subversion from xcode or again need to design from terminal again ? Could any one help me in this Thanks ...

getting at a UIButton with the tag property IPhone

Hey There, I'm having a little trouble using the tag property to access a UIButton UIButton *randomButton = [[UIButton buttonWithType:UIButtonTypeRoundedRect ]]; randomButton.frame = CGRectMake(205, 145, 90, 22); // size and position of button [randomButton setTitle:@"Random" forState:UIControlStateNormal]; randomButt...

Do, custom fonts work in UITextView that was loaded in cocos2d layer ?

Do, custom fonts work in UITextView ? I loaded UITextView *textView in cocos2d layer. And I trying to set the font of the text as Copperplate Gothic Bold. I downloaded the font file Coprgtb.TTF. But, the text is not adjusting to this font. The system fonts are working, but the custom fonts are not working ? I added the font file in r...

UITableView programatically create delegate object?

I have a question regarding setting up a custom delegate class for use with UITableView. What I have done is as follows: Setup a new class (in sperate *.h and *.m files for the class) Conformed that new class to the <UITableViewDelegate, UITableViewDataSource> protocols Added the required methods. Created a pointer to the new object us...

UINavigationBar Background Image Problem

i have set my navigationbar background with this code in my App delegate: @implementation UINavigationBar (UINavigationBarCategory) - (void)drawRect:(CGRect)rect { UIImage *backgroundImage = [UIImage imageNamed: @"Nav-rightpane.png"]; CGContextDrawImage(UIGraphicsGetCurrentContext(), CGRectMake(0, 0, sel...