Configuring UIImagePickerController so that the user can "Add a caption" in the Preview Screen
Some apps display an "Add a caption" in the Preview Screen after taking/selecting an Image using UIImagePickerController. How do you do that? ...
objective-c
OpenGL/Carbon/Cocoa Memory Management Autorelease issue
Hoooboy, I've got another doozy of a memory problem. I'm creating a Carbon (AGL) Window, in C++ and it's telling me that I'm autorelease-ing it without a pool in place. uh... what? I thought Carbon existed outside of the NSAutoreleasePool... When I call glEnable(GL_TEXTURE_2D) to do some stuff, it gives me a EXC_BAD_ACCESS warning -...
Adding two arrays together
I call two feeds that both return an NSMutableArray, I then need to make the two arrays into one. NSMutableArray *array1 = [JSONWrapper downloadFeed]; NSMutableArray *array2 = [JSONWrapper downloadFeed]; // something like: array1 += array2 ...
Can one autogenerate a protocols stubs
Still waiting on my MacBook. When an interface that I create references a protocol e.g. CCLocationManagerDelegate does the various methods get autogenerated or does intellisense pop up with all the available methods to implement? ...
how to add Line-numbers to uitextview?
I want to add line-numbers to my uitextview. Do I have to write my own UI-Element? Or is there an other solition? Thanks for help! ...
Can a tab bar controller added to a uitableview?
I have a View that contains a UITableView and a UITabBarController. I have set my IBOutlets, but the UITabbarController does not appear. Do I need to do anything else to allow it to appear? Note: I don't want the tab-bar to be displayed throughout the entire application. Only on one specific view. ...
iPhone SDK: Integrating Open Street Maps with Google Maps
I am curious if anyone has worked to overlay element from Open Street Maps onto a UIMapView. Maybe things like trails from Open Street Maps? I know that the API allows you to grab xml for parts of the map. Has this been done before, and documented? ...
iPhone: Error when using -(id)initWithNibName
I am trying to use the following code, but I always get an error that I can find little information about: - (id)initWithNibName:@"MyRidesListView" bundle:nil { if ((self = [super initWithNibName:@"MyRidesListView" bundle:nil])) { // Custom initialization } return self; } Error: expected identifier before 'OBJC_ST...
Alternatives to UIWebView for rich content?
In my app, I am displaying 4 "tabs", each are local content through a UIWebView. I create HTML markup from my simple data. This is slow to load and I'm trying to speed it up. I'm using UIWebView to accomplish these: 1. hyperlinks 2. some styling - font colors 3. HTML tables Writing my own class to handle this is okay for (1.) hyper...
How can I fix this clang warning: "Object with +0 retain counts returned to caller where +1 (owning) retain count is expected"?
I have a piece of Objective-C code that looks like the following: - (NSString *)copyData:(NSData *)data { NSString *path = [[[self outputDirectory] stringByAppendingPathComponent:@"archive"] stringByAppendingPathExtension:@"zip"]; NSLog(@"Copying data to %@", path); [data writeToFile:path atomically:NO]; return path; } ...
Cast value from NSNotification's object
How can I cast the object in a NSNotification to an integer and to a string? When I log the notification to the console I get... NSConcreteNotification 0x20af70 {name = kMessageCountNotification; object = 1} But when I set the text value of a UILabel to that value, I get 72855952 ...
Presenting modal view controller makes its tableview move down little by little
Dismissing/presenting a modal view controller which contains a tableview makes the table go down one row each time. Repeating presenting/dismissing pushes the table downwards out of the view in the end. How can I fix this? ...
Getting a tiled image collection on the iPad (Deep Zoom)
I have a set of tiled image collections created via Microsoft's Deep Zoom composer, and a Silverlight application that currently consumes them for display via MultiScaleImage - it's all working pretty well - I'd just like to get some experience with iPad programming and have a couple of ideas for some iPad applications. All my ideas rel...
Searchbar to search array items and displays them on a tableview?
I want to build an app that shows a empty tableview. Then users can write a text on a searchbar and when they click on Search button the tableview will be written with array items founded. I've see this tutorial: link text, but I only need to search when user click SearchButton. How can I do this? What methods do i have to use? I've ...
Mac OS X: Getting detailed process information (specifically its launch arguments) for arbitrary running applications using its PID.
I am trying to detect when particular applications are launched. Currently I am using NSWorkspace, registering for the "did launch application" notification. I also use the runningApplications method to get apps that are currently running when my app starts. For most apps, the name of the app bundle is enough. I have a plist of "known ...
Attempting to set a view's property results in an error: Request for Member … not a structure or …
I've declared a property in a view (created by interface builder, if it matters) and am trying to set the value from the view's controller – like so: self.view.url = someURL; That gives this error: Request for Member 'url' in something not a structure or union I have included the header for the view in the controller's .m file, but...
iPhone SDK - Accessing other Application Folders
Hello everyone, I know that you can access your own application files using NSDocumentDirectory and such, but can you do that on other applications. For example, if I wanted the Documents of another application, would it be possible to get that information? From the iPhone OS Library as directed here. Sincerely, Kevin ...
[obj-c] autorelease problem
Why the NSArray allocated with arrayWithObjects dealloc automatically if already used by BObject object?? in teory NSArray must remain allocated all the BObject life time... [[BObject alloc] initObjectName:@"oneObject" states: [NSArray arrayWithObjects: [[State alloc] initStateName:@"stand_front" singleImg:[NSArray arrayWithObjec...
Which OAuth library do you find works best for Objective-C/iPhone?
I have been looking to switch to OAuth for my Twitter integration code and now that there is a deadline in less than 7 weeks (see countdown link) it is even more important to make the jump to OAuth. I have been doing Basic Authentication which is extremely easy. Unfortunately OAuth does not appear to be something that I would whip toget...
Setting UIActivityIndicatorView while view is prepared
Hi, I have a UITabbBarController with a UITableView. Under certain circumstances the TabBarControllers dataset requires updating when a user arrives from another view, e.g. the initial load when the TabBarController is called the first time, or when the settings are changed. This dataset update takes about 2 seconds and I want to show ...