I'm new to C, new to objective C. For an iPhone subclass, Im declaring variables I want to be visible to all methods in a class into the @interface class definition eg @interface myclass : UIImageView { int aVar; } and then I declare it again as @property int aVar; And then later I @synthesize aVar; Can you help me understa...
I am writing an Tab-Based iPhone application (3.1.2). The purpose of this application is to gather and process data from the GPS, accelerometer, etc. from one view, and then, once data collection has finished, pass this data to another view in order to graph the values. What is the best way to pass this data? Would it make sense to us...
I would like to draw 2d shapes like this in an iPhone app: I asked a similar question here to see if I could do it easily with Quartz, but didn't get a solution. So I got to thinking that I might be able to leverage an exsiting 2d library out there, and then I thought of cocos2d. The goal is to draw these kinds of beveled shapes dyna...
I have a view based application which has some textboxes that I'm trying to populate with some pickers. For example, one of them will be for date selection. I'm using the following to add a new view to the bottom of my current view, then scroll the entire view upwards: - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField { if(...
I'd like my UIViewController to appear on the screen with a "Loading..." UILabel in the center and then, once that's been displayed, start loading data to display. How can I achieve this? I tried loading it in viewDidAppear:, but at this point the view has still not been displayed on the screen, so the app appears unresponsive to users...
Hi, I have a UITabBar and a UINavigationBar created in IB, when I launch my application everytime I navigate the UINavigation title change because I'm using self.title = @"NAME"; my problem is that the UITabBarItem will change with the same name at the same time. I want to put a static name only for the UITabBarItem, how to do it i...
when i copy the content in iphone the content is available in the pastebpard ,how do i get the time and date from the pasteboard ...
there is no practical way that i can see or have read about that lets you authenticate using oauth without making the user leave the app or have to write the pin down before they can post an update..... is there maybe another Rest API that i missed? ...
Whats the best way to mimic the bouncing animation from the AlertBox (UIAlertView) on the iPhone? Is there some built-in mechanism for this? The UIAlertView itself won't work for my needs. I looked into animation curves but from what I can tell the only ones they provide are easeIn, easeOut, and linear. ...
Hello, I am trying to compile some C++ code as a static library to use on the iPhone. If I compile things for the simulator (i386 architecture), everything compiles just peachy, but when I switch the architecture to arm, I get all these include errors, seemingly within the iPhone SDK STL headers. Any idea what's going on? First of the e...
I have been working away and things are going well, except suddenly when I try to build my project, I get the following errors in Xcode: 1 - in an alert box on upon building: The service is invalid Please check your setup and try again. (0xE8000022). ...
I was trying to go through the iPhone's sample code for mediaplayer. I want to be able to capture the amount of time the media player has played the video. The duration at which the media player has stopped. Is there a method or property that will tell me the duration of play of the media?? ...
So I am working on a simple iPhone app, that uses core data to manage objects. My code is similar in function to Apple's CoreDataBooks app, found here. There is a blank UITableViewCell, and you have the ability to add objects to this blank list. If you hit the add button, a DetailViewController pops up that manages the attribute of each ...
Hi everybody, I am having some problem in installing my app on the iphone as I am constantly getting the following error message The service is invalid Please check your setup and try again (0XE8000022) It was running perfectly well till yesterday but since yesterday I am having this problem. Can anyone help me with this... Thanx...
How to show a disclosure indicator button in table view editing mode . Thanks ...
Is it possible to make a mmorpg for the iPhone using PHP and MySQL(1,000+ players)? I was thinking of using MySQL to store all of the player information (name,username,pass,location,position). Then I would make that data accessible through php(pass a location to the php page and it returns all the player info for that area). Would PHP an...
hi,i wanted to calculate sin inverse ..so i did like float radians = asinf(1.1205); NSLog(@"%f",radians); output is like nano....any help? ...
Sir, I'm making a pedometer application using the accelerometer feature of the iPhone. I just want to detect the steps while walking using some counter. Should I use a loop to get the updated X,Y,Z coordinates? Kindly suggest. ...
Hi.. I am noob in iPhone development..I have a query hope I you people will solve.. In every interface file(*.h file) we declare a property for every instance variable like this... #import <UIKit/UIKit.h> @interface Fruit : NSObject { NSString *name; NSString *description; } @property(nonatomic, copy) NSString *name; @property(...
I have a view outlet in my view controller. It's defined like this: IBOutlet MyView * view; The MyView class has some instance methods in it. I try to use them in the view controller like this: int x = [view someMethod:4]; Xcode doesn't show any warning, no runtime errors are produced, but it doesn't call the method at all. When I ...