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  • iPhone - in-app purchase to sell our products

    - by lostInTransit
    Hi I have a website which sells a product to the user (downloadable). I am creating an iPhone app and want to be able to sell some of the products using the 3.0's in-app purchase. Now the documentation mentions that anything you want to sell has to be uploaded to itunes connect and approved by Apple. But I want to be able to keep adding products to be sold by my app on a daily basis. I have a web service to get the list of products from the website. Is it possible to include in-app purchase to let user buy this stuff from within the app but without having to add them to itunes connect? Thanks

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  • Remote Backup User Data on iPhone

    - by Eric
    I wrote a few iPhone apps using Core Data for persistent storage. Everything is working great but I would like to add the ability for users to back up their data to a PC (via WiFi to a PC app) or to a web server. This is new to me and I can't seem to figure out where to begin researching the problem. I don't want to overcomplicate the issue if there is an easy way to implement this. Is anyone familiar enough with what I am looking to do to point me in the right direction or give me a high level overview of what I should be considering? The data is all text and would be perfectly stored in .csv files if that matters.

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  • Address Book Groups - iPhone Simulator

    - by Stef
    Hi All, Is there a way to set up groups on the iPhone simulator? I want to set up a specific group on the iPhone and insert contacts into that group... I've presented the address book modally like in the tutorial but in trying to access groups, I've realised there's no option... Thanx Stef:-)

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  • URL filtering for UIWebView on the iPhone

    - by Zac Altman
    Can someone please shed some light on how I would get this to work: http://www.icab.de/blog/2009/08/18/url-filtering-with-uiwebview-on-the-iphone/ I tried making the "FilteredWebCache.h" and "FilteredWebCache.m" files in my project, but it said that "FilterManager.h" did not exist. What am I meant to do with those files? This I put in viewDidLoad: NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *docDir = [paths objectAtIndex:0]; NSString *path = docDir; // the path to the cache file NSUInteger discCapacity = 10*1024*1024; NSUInteger memoryCapacity = 512*1024; FilteredWebCache *cache = [[FilteredWebCache alloc] initWithMemoryCapacity:memoryCapacity diskCapacity:discCapacity diskPath:path]; [NSURLCache setSharedURLCache:cache]; [cache release];

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  • iphone - calculating the font size

    - by Mike
    I have to show a label with font size = 14 when the view is 480x320. Supposing I would like to do this in a way that my code will be working well for all future device's screen sizes, including iPad and others following (I am sure more will come), what is the best way to do that? I could do this proportionally, I mean, if the scale increased X, increase the fonts X, but my concern is the different aspect ratios of the devices. The iPhone aspect ratio is 1.5, but iPad's is 1.33, and other aspect ratios can come... I am not sure if this simple scale method will be enough to produce font consistency across all devices. Any suggestions? thanks for any help.

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  • Can dummy objects be simulated on iphone?

    - by Mike
    I come from 3D animation and one of the basic things all 3D software have is the ability to create dummy objects. Dummy objects can be used to groups objects that can be rotated, moved or scaled together around a specific anchor point. This is the idea of what I am asking. Obviously we can have fake dummies by using a view and put other views as subviews, but this has problems as the view receives clicks and sometimes you don't want it to do so. You cannot change the anchorpoint of a view too. So, the dummies as I ask have, at least, these properties: adjustable anchor point it is not clickable it is totally invisible (cannot be rendered). any scale, rotation and translation of a dummy are propagated to the grouped objects considering the dummy's anchor point. it is totally animatable. Can this be simulated on iPhone? Is there any object that can be created to simulate this? thanks.

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  • iPhone Simulator 3.x not supported after upgrading to XCode 3.2.3 Beta4 with OS 4.0

    - by Jon
    I've been having some problems, & since you guys are the smartest devs I thought I'd just ask you. When I last installed Xcode 3.2.3 Beta 2 (OS 4.0 support), it had all the iPhone Device & Simulator 3.x. Now, updated to Xcode 3.2.3 Beta 4 (OS 4.0 support), it no longer lists 3.x SDKs for either simulator or device in XCode. I'm aware that 3.2.3 changes the BASE SDK to 4.0, but how come none of the 3.x devices are available either? When I go to: /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs The only two files available are: iPhoneSimulator3.2.sdk iPhoneSimulator4.0.sdk However, when I go to: /Developer/Platforms/iPhoneOS.platform/DeviceSupport 3.0 3.0.1 3.1 3.1.1 3.1.2 3.1.3 3.2 4.0 (8A274b)

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  • Audio looping in Objective-C/iPhone

    - by Neurofluxation
    So, I'm finishing up an iPhone App. I have the following code in place to play the file: while(![player isPlaying]) { totalSoundDuration = soundDuration + 0.5; //Gives a half second break between sounds sleep(totalSoundDuration); //Don't play next sound until the previous sound has finished [player play]; //Play sound NSLog(@" \n Sound Finished Playing \n"); //Output to console } For some reason, the sound plays once then the code loops and it outputs the following: Sound Finished Playing Sound Finished Playing Sound Finished Playing etc... This just repeats forever, I don't suppose any of you lovely people can fathom what could be the boggle? Cheers!

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  • UIImagePickerController in landscape on iPhone OS >= 3.2

    - by Mike
    Here is the problem. I have to open the UIImagePickerController in landscape. At this phase I am doing the app for iPhone but it will be soon adjusted for iPad. The classical way to force the UIImagePickerController to open in landscape would be to use this solution. But this solution has a problem, specially for iPad, that is the line, [[UIDevice currentDevice] setOrientation:UIInterfaceOrientationLandscapeRight]; because Apple rejects an application for doing that, as they don't want you to set an orientation, because if the user is holding the iPad on landscapeLeft the controller will appear upside down. Apple want you to use your paranormal powers and open the controller the right way for the user. The only problem is this: My controller is to appear when the application starts At this time, the orientation information is not yet available, because it takes a while for the device to discover its orientation; I've tried to get around this using the accelerometer to discover the orientation, but the accelerometer data is not yet available too when the app starts. I could make a routine to delay the application until the orientation is available, showing a black screen to the user in the mean time, or a beach ball, but I wonder if there's a more elegant way to do that! thanks.

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  • iPhone Keyboard hiding fields in UIWebView

    - by Pete
    Hi, I am a beginner at iPhone development and am hoping someone can help me with my question. I have a UIWebView displaying a web page. If the user taps inside a textbox on the web page then the keyboard pops up. This is great, but it hides the field that the user tapped on. I have looked around and found code samples to deal with this, but none that specifically deal with the UIWebView. I have implemented UIKeyboardDidShowNotification and UIKeyboardDidHideNotification but am not sure how to resize the UIWebView properly. I have tried putting the UIWebView in a UIScrollView but not had any success with that. The code below seems to adjust the UIWebView but won't let it scroll to the field. -(void) keyboardDidShow: (NSNotification *)notif{ if (keyboardShown) return; NSLog(@"Keyboard Show"); NSDictionary *info = [notif userInfo]; NSValue *aValue = [info objectForKey:UIKeyboardBoundsUserInfoKey]; CGSize keyboardSize = [aValue CGRectValue].size; CGRect viewFrame = webBrowser.frame; viewFrame.size.height -= keyboardSize.height; webBrowser.frame = viewFrame; keyboardShown = YES; } -(void) keyboardDidHide: (NSNotification *)notif{ NSLog(@"Keyboard hide"); keyboardShown = NO; } Hopefully someone can help me or point me in the right direction. Thanks! Pete

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  • Testing background audio in the simulator

    - by Cactuar
    I'm experimenting with the new background audio service in iPhone OS 4.0 but I can't get it to work in the simulator. According to this page: iPhone Application Programming Guide: Executing Code in the Background it seems that all I have to do is add the a UIBackgroundModes key with an array containing audio to my Info.plist file and the audio my application plays should automatically continue when I switch to another app. I have done this but the audio still pauses as I switch to another app, when I switch back it continues where it left off. This is the code I'm using to play the sound: NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/audio.mp3", [[NSBundle mainBundle] resourcePath]]]; NSError *error; audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error]; audioPlayer.numberOfLoops = -1; if (audioPlayer == nil) NSLog(@"%@", [error userInfo]); else [audioPlayer play]; Has anyone gotten this to work? Could it be that it would work on an actual device and it's just a problem with the simulator? I'm a bit hesitant to install 4.0 on my phone since I've heard it's still very buggy. Wish I had another device to use only for development.

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  • UIImagePickerController causing sqlite errors (Simulator only)

    - by MrHen
    When I display a UIImagePickerController in a UIPopoverController the console outputs the following warnings: sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 1 [no such column: duration] sqlite error 1 [no such column: duration] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] sqlite error 8 [attempt to write a readonly database] Here is the code that displays the picker: - (void)openImagePickerController:(id)sender { //TODO only open one at a time UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; //imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera; imagePicker.delegate = self; [self presentViewController:imagePicker sender:sender animated:YES modal:YES]; [imagePicker release]; } - (void)presentViewController:(UIViewController *)vc sender:(id)sender animated:(BOOL)animated modal:(BOOL)modal { BOOL useNavController = NO; //if((void *)UI_USER_INTERFACE_IDIOM() != NULL && if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { //are we on an iPad? Class popoverClass = NSClassFromString(@"UIPopoverController"); if(!popoverClass) { useNavController = YES; } else { if(currentPopover == nil || currentPopover.contentViewController != vc) { if(currentPopover != nil) { [currentPopover dismissPopoverAnimated:animated]; [currentPopover.delegate popoverControllerDidDismissPopover:currentPopover]; } UIPopoverController *popover = [[popoverClass alloc] initWithContentViewController:vc]; currentPopover = popover; currentPopover.delegate = self; [popover presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:animated]; } } //[aPopover release]; } else { useNavController = YES; } if(useNavController) { if(modal) { [self presentModalViewController:vc animated:animated]; } else { [self.view addSubview:vc.view]; } } } Stepping with the debugger shows that the errors occur after [UIPopoverController presentPopoverFromBarButtonItem:permittedArrowDirections:animated: runs. Of note: The program continues running just fine No noticeable weirdness in UIImagePickerController's behavior when selecting an image or canceling Happens in Simulator 3.2 Unable to reproduce on iPad running 3.2 Is this just another simulator bug?

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  • Setting Xcode's target to iPhone NOT iPad

    - by Garry
    I just upgraded to iPhone SDK 3.2 Beta 4. Since doing so, I have not been able to get the app to launch in the iPhone simulator - it keeps launching in the iPad simulator. I have tried option-clicking the drop-down menu in the top left-corner of Xcode and setting 'Active Executable' to iPhone simulator 3.1.3 but it keeps going back to iPad simulator instead. What gives? I have no interest in my app running on the iPad and I don't want to test it in the 2X mode in the simulator. Thanks,

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  • Why does Xcode launch the iPhone simulator when the iPad simulator is selected?

    - by Dr Dork
    When I open an existing iPad project in Xcode and "Build and Run" it, it launches the iPhone simulator when I have the iPad Simulator set as the active executable? Inside the iPhone simulator is a shrunken version of the iPad. What is going on? How do I get it to run the iPad simulator? Note: When the iPhone Simulator is running, I double checked the Hardware-Device setting and it's set to iPad. This is what I want, of course, but I don't want it to run the iPhone simulator. I seem to recall it used to run an iPad simulator. Is there such a thing or am I tripping and there is only an iPhone simulator that can run iPad apps? Thanks in advance for your help!

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  • Alternatives to GameKIt for iPhone to iPhone transfer

    - by Mike
    I am needing to transfer information as an NSData object from one iPhone to another inside an application and was originally planning on using Bluetooth/GameKit, but the data looks like it will be in the neighborhood of 500KB - 1MB in size. I don't think this is going to fly with GameKit (Bluetooth) as it will take forever and it seems like people are having all kinds of issues with GK anyway. I'd prefer the users to not have to be on the same WiFi network to make it work but am running out of options and time so I'd probably be happy with whatever works. What is a reasonable alternative? The simpler the setup the better or something with sample code would be greatly appreciated and preferred. Thanks.

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  • Basic OpenGL ES2 (iPhone Simulator) question...

    - by David
    Hi! I'm trying to modify the fragment shader which is part of the standard iPhone/XCode OpenGL ES template. I want to make it so that every other row of pixels is transparent. I have this code so far: varying lowp vec4 colorVarying; void main() { gl_FragColor = vec4(colorVarying.x, colorVarying.y, colorVarying.z, floor(mod(gl_FragCoord.y, 2.0))); } But when I compile and run I still get the same square moving up and down with no other effects. What am I doing wrong here? I'm a complete n00b at Glsl - I'm trying to teach myself the very basics. (starting with this tutorial - http://www.mobileorchard.com/getting-started-with-opengl-es-20-on-the-iphone-3gs/) Please help! Thanks! David :)

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  • iPad UI clipped in simulator

    - by raj.tiwari
    My views created for iPad form factor look fine in Interface Builder. However, when I debug my app in iPhone Simulator 3.2 (with Hardware - Device set to iPad), I see the UI clipped and about half size. There is a 2x button at the bottom which lets me zoom in. But this just shows the same clipped UI in double size. This is really weird since I have created the XIB for iPad form factor and it is supposed to fit iPad completely. Any ideas what I might be doing wrong? I am using iPhone SDK 3.2 downloaded on 4/30/2010. Thanks. -Raj

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