I'd like to display the blue pulsing dot for a user's location. I'm doing this: - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation{ //some other stuff here [self.mapView setShowsUserLocation:YES]; } But I eventually get -[MKUserLocation establ...
So I have a nib I've created that's basically just a view that's larger than the iPhone screen size. Within it is a UIImageView, set up as outlet "framedImage". In my code, I want to initialize the nib offscreen, set framedImage's image property to a UIImage object I already have created in the code (called "myProcessedImage"), then save...
Hi, I'm trying to create an index representing the first letter value of each record in a Core Data store to be used in a table view controller. I'm using a snippet of the code from Apple's documentation. I would simply like to produce an array or dictionary of distinct values as the result. My store already has the character defined wi...
Hi all, I'm interested in recording a video with a custom overlay which would end up in the video itself. They could be UIImage or even better, an OpenGL viewport, is there even such possibility right now on any iPhone devices/SDK ? Thanks ...
Hi, I am using a custom webview to show a tabbar when user touches on the webview. But when I clicked on a link in a webview, tabbar is shown for a little time and then page loads. I am using this custom webview to detect touch: http://github.com/psychs/iphone-samples/blob/b772b963f2acf18d478b41b44555992fcd8d4f31/WebViewTappingHack/Clas...
Hey there, I have a UINavigationController inside a UITabBarController. When a user presses the first tab, I want to reset the navigation controller back to the first screen instead of displaying whichever view they last selected in the navigation controller. Is there an easy way to reset the stack? Thanks, Howie ...
I'm drawing a rounded image in a UITableView cell like so: CGRect imageRect = CGRectMake(8, 8, 40, 40); CGFloat radius = 3; CGFloat minx = CGRectGetMinX(imageRect); CGFloat midx = CGRectGetMidX(imageRect); CGFloat maxx = CGRectGetMaxX(imageRect); CGFloat miny = CGRectGetMinY(imageRect); CGFloat midy = CGRectGetMidY(imageRect); CGFloat ...
Is there a general best-practices way of being notified when the current view controller is being dismissed (either popped or dismissModalDialog'd)? I can't use -viewWillDisappear:, since that also gets called when another viewController is pushed atop the current one. ...
I'm in the process of learning C++. But there's so much more that I want to do online - web apps, iphone apps, websites. So I'm thinking of learning another language, one that would allow me to make (or at least attempt to make) useful applications. Now, what language should I look into learning? And, how do you recommend I go about le...
Hello all, I need to grab an UIImage from a UITextView or UILabel. I've got a method that will pull an image successfully from other types of views ( [UIViewController view], MKMapView, UIButtons) but I am just getting a white rect for my UITextView. I've been banging my head against the wall for a while and suspect something really, r...
I access a RESTFUL url and get back results. The results are in JSON. I turn the response into a string via: - (void)connectionDidFinishLoading:(NSURLConnection *)connection { NSString *json = [[NSString alloc] initWithBytes:[self.receivedData mutableBytes] length:[self.receivedData length] encoding:NSUTF8StringEncoding]; The json...
I'm running into some issues with having a lot of UIImages in memory, so I was wondering if there is any way of using PVRTC images instead of PNGs in UIImages. ...
EDIT 2: I now think the best soluton is to create ListeningView.h that just includes a ListeningView protocol, instead of subclassing ListeningView (since we can't do multiple inheritance in Obj-C). Then, you still need ListeningViewController as well. EDIT: Ok, I figured out what the approved idiom is here. I should subclass UIViewCont...
I'm new to iPhone development, and doing some experimentation with Core Animation. I've run into a small problem regarding the duration of the animation I'm attempting. Basically, Ive got a view with two subviews, and I'm trying to animate their opacity so that one fades in while the other fades out. Problem is, instead of a gradual fad...
I have a class that builds a request based on a few passed in variables. The class also has all the delegate methods to receive the data and stores it in a property for the calling class to retrieve. When the class initializes it creates a connection and then returns itself: NSURLConnection *connection; if (self = [super init]) { ...
I have some videos (mp4) with multiple language subtitles that can be read by an iphone. Users can select to view the subtitle and the language from the default iphone button in the video ui. I would like to be able to set a defalut programmatically, so that, for instance, an user can select a language just one time in the main screen an...
I am using the MapKit for the iPhone and have it setup to get the user's location and display it on the view. But I need to know which state they're in so I know what data to load and display to the user. Is there any way to get that sort of info? ...
Hy I have to put a lot of images (>100) to a UIView, with touch detection. If I use UIImageViewController I have ran out of memory. I've tried to draw the images manually, but in that case I can't detect wich image has been pushed. So how would you do this? ...
I'm using the JSON framework from http://code.google.com/p/json-framework. The JSON below fails with this error: -JSONValue failed. Error trace is: ( Error Domain=org.brautaset.JSON.ErrorDomain Code=5 UserInfo=0x124a20 "Unescaped control character '0xd'", Error Domain=org.brautaset.JSON.ErrorDomain Code=3 UserInfo=0x11bc20 "Object value...
I mean if I can build all the iPhone apps without interface builder? If yes, where can I find some stuff about this? ...