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  • ipod's repeat mode

    - by gayathri
    my ipod's repeatmode is always in MPMusicRepeatModeDefault,How will turn it off/how to change its mode?.i used setRepeatMode method but that does not work out.thanks

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  • AppDelegate, RootViewController, and UIApplication

    - by guy8214
    Hi Guys I am trying to figure out the relationship between the appdelegate, RootViewControoler, and UIApplication. Here is what I kinda have figured out so far: When starting your application up, main.m gets loaded. From here, your MainWindow.xib gets loaded. In your MainWindow.xib, your File's Owner is of type UIApplication. You set your UIApplication's delegate to your AppDelegate. In your AppDelegate's source code, you can set your RootViewController to be the first view shown. Is this right? What prompts AppDelegate to initially run it's - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { } method?

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  • Make UIViewController outside Navigation Controller

    - by user1447316
    i have a question for you. I'm working on this app that has a walkthrough/tutorial screens and also login ones. On each of this screens there is a button to skip this part and go directly to use the app, without completing the registration (you know, so that people can test it before signing-in). As you can see i'm using Storyboards. The NowPlaying04 ViewController is actually the app itself. Obviously, when the user will be a registered one, i should also be able to jump right back to that screen, skipping the walkthrough and signin process. The first question is: how is the best way to structure this? The second quesion is: how i can make a ViewController outside that Navigation controller. Cause as you can see now, the NowPlaying04 ViewController inherits the top navigation bar. Which is a thing that i don't want. I don't need that. I hope that you have understood my question. I'll appreciate any help. Programmatically or by dragging stuff around, i'm ok with all the solutions. The important thing is that it works correctly! :-)

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  • Easy way to build an in-app demo like they do in Convertbot?

    - by mystify
    I want to make a little in-app demo like Tapbots does in Convertbot. Maybe there is a better solution than mine? make everything programmatically controlable write a huge class with hundreds of performSelector:withObject:afterDelay: calls to control the whole app for the demo The demo actually only does two things: Simulate touches on controls (i.e. programmatically pressing buttons) Show text message bubbles when appropriate to explain what is going on How would you do it?

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  • My iOS app has a + in its name. Bundle is invalid due to this. Need help resolving

    - by d.altman
    I did find a couple of very similar or identical threads here but they seemed to end before full resolution. My app runs fine on my device with no build error. I am trying to submit app for approval and I get the following error, "This bundle is invalid. The executable name, as reported by CFBundleExecutable in the info.plist file may not contain any of these characters ..... +". So I opened my info.plist file and changed the info.plist file executable name from the macro ${EXECUTABLE_NAME} to the name of my app without the +. I did a new archive but then get an error saying the "codesign failed with exit code 1". In another thread I read to just change targets name removing the + from there and leaving the info.plist file with the macro for the executable name, restarting Xcode and then archiving again. That allowed me to archive but I received the same error in iTunes Connect. I have been working on this all day and don't find the solution. Can anyone please point me in the right direction? Thank you for any help.

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  • How to deal with delegate method calling back the object who send the message ?

    - by olipion
    I have two object: @protocol ObjectADelegate - (void)objectAfirst:(ObjectA *)obj; - (void)objectAsecond:(ObjectA *)obj; @end @interface ObjectA : NSObject { id<ObjectADelegate> delegate; - (void)callSecond { [self.delegate objectAsecond:self]; } @end @interface ObjectB : NSObject <ObjectADelegate>{ ObjectA *myObjectA; } @implementation ObjectB - (void)objectAfirst:(ObjectA *)obj { // First is finished, do second [obj callSecond]; } - (void)objectASecond:(ObjectA *)obj { // Do my stuff } @end As you can see in the code, when ObjectA send the message objectAfirst to its delegate, objectb use again objectA methods that result in objecta calling back objectb. It means that what first fire objectAfirst is not finished but objectA send the objectAsecond message. Could it be a problem ? Any way to let delay message handling in objectB ? for example, something like using [obj performSelector:@selector(callSecond) afterDelay:0.01]; instead of [obj callSecond]; ?

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  • Can we use (id) in if- else condition ?

    - by srikanth rongali
    I have written my code in following way in cocos2d. id actionTo = [CCFadeOut actionWithDuration:4.0f]; id actionTo0 = [CCSequence actionWithDuration:2.0f]; if (m < enemyNumber) id actionTo1 = [CCCallFunc actionWithTarget:self selector:@selector(goToNextScene)]; else id actionTo1 = [CCCallFunc actionWithTarget:self selector:@selector(goToEndScene)]; id actionSeq = [CCSequence actions:actionTo, actionTo0, actionTo1, nil]; [targetE runAction: [CCSequence actions:actionSeq, nil]]; error: expected expression before 'id' I am getting the above error. Should not we use (id) in if condition ? I want to get called two selectors by using the if- else condition. How can I make it ? Thank You.

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  • Downloading image from server without file extension (NSData to UIImage)

    - by Msencenb
    From my server I'm pulling down a url that is supposed to simply be a profile image. The relevant code for pulling down the image from the urls is this: NSString *urlString = [NSString stringWithFormat:@"%@%@",kBaseURL,profile_image_url]; profilePic = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:urlString]]]; My url is in the format (note no file extension on the end since its dynamically rendered) localhost:8000/people/1/profile_image If I load the url in my browser the image displays; however the code above for pulling down the UIImage does not work. I've verified that the code does pull an image from a random site on the interwebs. Any thoughts on why this is happening?

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  • Grouped table with image in first row (and section), the remaining ones having text with different l

    - by Structurer
    Hi I have a grouped table with two sections where I display text with different length and therefore cell height. I have solved the problem with the different length/height with constrainedToSize in cellForRowAtIndexPath. Now I want to add a section with one single row in which I want to show a picture. How should I best implement that? (still a bit of a beginner with the Objective C) I would guess that I would have to create an UIImageView and somehow link that to the cell, but my biggest concern is how do I do with the dequeueReusableCellWithIdentifier now that I will have two different type of cells? Appreciate any advice that will help me save time from trial and error!

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  • UIView viewWithTag 0 problem

    - by leon
    Hi, On view in IB I have numerous items (including view itself). ONLY one item has tag 0, yet following line works for ANY UITextBox other then the one with tag 0. Note that only ONE UITextBox has tag 0, why: (UITextField *) [self.view viewWithTag:0]).text = @"foo"; Interesting that when triggered event received for the element with tag 0, I can get value of Tag 0 with no problem. Is there a limitation to look for tag 0 elements?

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  • How to find out the format of a float?

    - by cannyboy
    I'm working with someone else's code, and there is a float with some unusual qualities. If I output the float using: NSLog(@"theFloat: %f", record.theFloat); I get: theFloat: 0.000000 However, if I use: NSLog(@"(int)theFloat = %i", (int) record.theFloat); I get: (int)theFloat: 71411232 How do I discover the real format and value of theFloat? I know that it should contain a large number. Incidentally, the Record class which contains the float propertizes it in such a way: @property (assign) float* theFloat; There is also floatLength: @property (assign) int floatLength; And has this method, which seems to indicate that the float is of variable length (?): - (void) copyFloat:(float*)theF ofLength:(int)len { float *floatcopy = malloc(len*sizeof(float)); memcpy(floatcopy, theF, len*sizeof(float)); self.theFloat = floatcopy; }

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  • Why this kind of release doesn't work?

    - by parkyprg
    Hello, I have a newbie question about the following: - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSArray *anArray; anArray = [dictionary objectForKey: [NSString stringWithFormat:@"%d", section]]; //here dictionary is of type NSDictionary, initialized in another place. AnObject *obj = [[AnObject alloc] init]; obj = [anArray objectAtIndex:0]; [anArray release]; return obj.title; } If I run it as it is I will get an error. If I don't put [anArray release] it works just fine. I don't quite understand why is this happening? Thanks.

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  • How to create a timer the right way?

    - by mystify
    I always have an class which needs to set up a timer for as long as the object is alive. Typically an UIView which does some animation. Now the problem: If I strongly reference the NSTimer I create and invalidate and release the timer in -dealloc, the timer is never invalidated or released because -dealloc is never called, since the run loop maintains a strong reference to the target. So what can I do? If I cant hold a strong ref to the timer object, this is also bad because maybe I need a ref to it to be able to stop it. And a weak ref on a object is not good, because maybe i'm gonna access it when it's gone. So better have a retain on what I want to keep around. How are you guys solving this? must the superview create the timer? is that better? or should i really just make a weak ref on it and keep in mind that the run loop holds a strong ref on my timer for me, as long as it's not invalidated?

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  • custom height UITableViewCell

    - by nevva
    I have a custom UITableViewCell that loads in a programmatically created UITableView that is pushed from another view onto a UINavigationController, why cant i specify the height of my cells? The other weird thing is that when i push the cell, the didSelectRowAtIndexPath:indexPath method isn't called.

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  • Having a problem with simple bool

    - by Code
    Hi guys, I've some really simple code that checks if my bool is == YES but it does not ever enter. NSLog(@"boool %d",self.arrayAlreadyPopulated ); if (self.arrayAlreadyPopulated == YES) { Match *aMatch = [appDelegate.matchScoresArray objectAtIndex:(numMatchCounter)]; aMatch.teamName1 = TeamNameHolder; } else { Match *aMatch = [[Match alloc] init]; aMatch.teamName1 = TeamNameHolder; [appDelegate.matchScoresArray addObject:aMatch]; [aMatch release]; } The debug at the top says that the value of self.arrayAlreadyPopulated is 1 on the 2nd pass as it should be. But it never enters the first first part but jumps down to the 'else' I cant see for the life of me what the problem is. -.- Anybody able to clue me in? Thanks -Code EDIT declaration code int theCounterCauseABoolWontWork; @property (nonatomic) int theCounterCauseABoolWontWork; @synthesize theCounterCauseABoolWontWork;

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  • Highlight table view cells when user drags across rows

    - by chronos
    I have a grouped table view that does not need to scroll. I'd like each cell to highlight as the user moves their finger down the screen and call didSelectRowAtIndexPath on release. This behaviour can be seen done by apple in 'settings mail add account'? I can't seem to replicate it myself, all I can get is the default, where the cell deselects as soon as the user moves their finger.

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  • How can I reset my UI when the user presses a button?

    - by Fasttracks
    I have 1 scrollview that contain 18 buttons. 1) when a user taps on any button, a button is added to a second UIScrollView. 2) Then, when a user taps on that button on second scrollview the button is removed from second scrollview. both uiscrollviews contain a list of their buttons. Afree both of these steps, I have to reload my scrollview. Can I do the same task by adding observer, so that it will automatically reload when any action done on button, and if yes then how?

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  • Popping a modal view from anywhere in code

    - by ConfusedNoob
    Is it possible to 'pop' a view from any point in an iOS application. For example, I want an event to trigger a view sliding in (modal) and the event can happen at any time, on any screen in the application. Also, we'd like this to be something that can be included in other projects and would prefer them not to have to do anything special to these projects (other than wire in the referenced project).

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