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  • How can we detect a touch of a sprite?

    - by srikanth rongali
    I have two sprites in my app. Both should have touches enabled and both touches are independent of one another. And if I touch the screen (not on sprites) it should have different touches. My problem is all three sprite1, sprite2, remaining screen should have independent touches. But my program is taking all the touches as same. How can I make them as what I needed ? Thank You.

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  • How to detect touch over a UIView when touched over a UIButton?

    - by jglievano
    I'm using (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event, and (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event to handle some dragging on a UIView. This UIView however have some UIButtons as subviews of the UIView and when the user touches over a UIButton (which are also over the UIView) the touches methods aren't called. I need the touch methods in the UIView to be called at all times and still have the UIButtons working, how can I achieve this?

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  • iPhone SDK 3.2 UIGestureRecognizer interfering with UIView animations?

    - by Brian Cooley
    Are there known issues with gesture recognizers and the UIView class methods for animation? I am having problems with a sequence of animations on a UIImageView from UIGestureRecognizer callback. If the sequence of animations is started from a standard callback like TouchUpInside, the animation works fine. If it is started via the UILongPressGestureRecognizer, then the first animation jumps to the end and the second animation immediately begins. Here's a sample that illustrates my problem. In the .xib for the project, I have a UIImageView that is connected to the viewToMove IBOutlet. I also have a UIButton connected to the startButton IBOutlet, and I have connected its TouchUpInside action to the startButtonClicked IBAction. The TouchUpInside action works as I want it to, but the longPressGestureRecognizer skips to the end of the first animation after about half a second. When I NSLog the second animation (animateTo200) I can see that it is called twice when a long press starts the animation but only once when the button's TouchUpInside action starts the animation. - (void)viewDidLoad { [super viewDidLoad]; UILongPressGestureRecognizer *longPressRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(startButtonClicked)]; NSArray *recognizerArray = [[NSArray alloc] initWithObjects:longPressRecognizer, nil]; [startButton setGestureRecognizers:recognizerArray]; [longPressRecognizer release]; [recognizerArray release]; } -(IBAction)startButtonClicked { if (viewToMove.center.x < 150) { [self animateTo200:@"Right to left" finished:nil context:nil]; } else { [self animateTo100:@"Right to left" finished:nil context:nil]; } } -(void)animateTo100:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context { [UIView beginAnimations:@"Right to left" context:nil]; [UIView setAnimationDuration:4]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(animateTo200:finished:context:)]; viewToMove.center = CGPointMake(100.0, 100.0); [UIView commitAnimations]; } -(void)animateTo200:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context { [UIView beginAnimations:@"Left to right" context:nil]; [UIView setAnimationDuration:4]; viewToMove.center = CGPointMake(200.0, 200.0); [UIView commitAnimations]; }

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  • one more question on sqlite3 for iphone..sorry*

    - by summer
    let's say i am trying to save an image selected from photo library to database..is the following code correct? Snap.m - (void) addSnap { if(addStmt == nil) { const char *sql = "insert into Snap(snapTitle, snapDesc, snapImage) Values(?, ?, ?)"; if(sqlite3_prepare_v2(database, sql, -1, &addStmt, NULL) != SQLITE_OK) NSAssert1(0, @"Error while creating add statement. '%s'", sqlite3_errmsg(database)); } sqlite3_bind_text(addStmt, 1, [snapTitle UTF8String], -1, SQLITE_TRANSIENT);//bind titleSnap to insert statement sqlite3_bind_text(addStmt, 2, [snapDescription UTF8String], -2, SQLITE_TRANSIENT); sqlite3_bind_int(addStmt, 3, snapID); NSData *imgData = UIImagePNGRepresentation(self.snapImage); int returnValue = -1; if(self.snapImage != nil) returnValue = sqlite3_bind_blob(addStmt, 3, [imgData bytes], [imgData length], SQLITE_TRANSIENT); else returnValue = sqlite3_bind_blob(addStmt, 3, nil, -1, NULL); sqlite3_bind_int(addStmt, 4, snapID); if(returnValue != SQLITE_OK) NSLog(@"Not OK!!!"); if(SQLITE_DONE != sqlite3_step(addStmt))//execute step statement if it return SQLITE_DONE NSAssert1(0, @"Error while inserting data. '%s'", sqlite3_errmsg(database)); else //sqlite3_last_insert_rowid snapID = sqlite3_last_insert_rowid(database);//get primary key for the row which was inserted //reset add statement sqlite3_reset(addStmt); } - (void)setSnapImage:(UIImageView *)theSnapImage { self.isDirty = YES; [snapImage release]; snapImage = [theSnapImage copy]; } then to get the "object" i use.. snap2playObj.snapImage = imageView.image; i am using UIImageView by the way..my error message.. -[UIImage copyWithZone:]: unrecognized selector sent to instance 0xd74750 2010-03-18 16:22:27.808 Snap2Play[68317:20b] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[UIImage copyWithZone:]: unrecognized selector sent to instance 0xd74750'

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  • iPhone SDK 3.2 and UIAppFonts

    - by tarmo
    I've added my custom font to UIAppFonts and it's loaded just fine: (shows up in [UIFont familyNames] ). When I manually set the font in viewDidLoad { [myLabel setFont: [UIFont fontWithName:@"CustomFont" size: 65.0]]; } everything works and the font is rendered. However doing the same thing in IB doesn't (some other default font is used instead). Having to create IBOutlets for each label and fixing up the fonts manually in viewDidLoad is pretty painful. Anyone else had problems getting the custom font support to work with 3.2 SDK and IB?

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  • iPhone SDK linking errors with static library

    - by Nico
    Hello all! I've built my own static library with components to be reused in my project, and recently had the need to update a bunch of classes. Specifically, some methods' signatures were changed due to the fact that some classes changed names. What happens now is that the library compiles fine on its own, but, when added to an app project, the project fails to link: Ld build/Sucursales.build/Debug-iphoneos/Sucursales.build/Objects-normal/armv6/Sucursales normal armv6 cd /Users/nameghino/src/Sucursales setenv IPHONEOS_DEPLOYMENT_TARGET 3.1 setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -arch armv6 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.2.sdk -L/Users/nameghino/src/Sucursales/build/Debug-iphoneos -L/Users/nameghino/src/Sucursales/../../Library/MyLibraries/MSSharedLibrary-1.0.0 -F/Users/nameghino/src/Sucursales/build/Debug-iphoneos -filelist /Users/nameghino/src/Sucursales/build/Sucursales.build/Debug-iphoneos/Sucursales.build/Objects-normal/armv6/Sucursales.LinkFileList -dead_strip -lxml2 -ObjC -all_load -miphoneos-version-min=3.1 -framework Foundation -framework UIKit -framework CoreGraphics -lsqlite3.0 -framework CoreLocation -framework MapKit -lxml2 /Users/nameghino/src/MSSharedComponents/Frameworks/MSSharedLibrary/build/Debug-iphoneos/libMSSharedLibrary.a -o /Users/nameghino/src/Sucursales/build/Sucursales.build/Debug-iphoneos/Sucursales.build/Objects-normal/armv6/Sucursales Undefined symbols: "_OBJC_CLASS_$_DataCatalogService_GetSingleRow", referenced from: objc-class-ref-to-DataCatalogService_GetSingleRow in libMSSharedLibrary.a(MSDataCatalogSpecification.o) **"_OBJC_CLASS_$_DataCatalogService_ArrayOfString", referenced from: objc-class-ref-to-DataCatalogService_ArrayOfString in libMSSharedLibrary.a(MSDataCatalogSpecification.o) "_OBJC_CLASS_$_DataCatalogService_GetSingleRowResponse", referenced from: objc-class-ref-to-DataCatalogService_GetSingleRowResponse in libMSSharedLibrary.a(MSSingleRowResultsParser.o) "_OBJC_CLASS_$_DataCatalogService_GetMultiRowResponse", referenced from: objc-class-ref-to-DataCatalogService_GetMultiRowResponse in libMSSharedLibrary.a(MSMultiRowResultsParser.o) "_OBJC_CLASS_$_DataCatalogService_GetMultiRow", referenced from: objc-class-ref-to-DataCatalogService_GetMultiRow in libMSSharedLibrary.a(MSDataCatalogSpecification.o) "_OBJC_CLASS_$_DataCatalogService_HelloWorldResponse", referenced from: objc-class-ref-to-DataCatalogService_HelloWorldResponse in libMSSharedLibrary.a(DataCatalogService.o) ld: symbol(s) not found collect2: ld returned 1 exit status** The curious thing is that after a lot of project cleanups (both in the app and the lib projects), I still get the same issue. Even after starting a new project, the problem is still there. I've also taken care to restart Xcode between a clean and a build a couple of times, but no good. Any ideas on where to look? Thanks in advance Nico

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  • Iphone SDK dismissing Modal ViewControllers on ipad by clicking outside of it

    - by Daniel
    Hello, I want to dismiss a FormSheetPresentation modal view controller when the user taps outside the modal view...I have seen a bunch of apps doing this (ebay on ipad for example) but i cant figure out how since the underneath views are disabled from touches when modal views are displayed like this (are they presenting it as a popover perhaps?)...anyone have any suggestions? Thanks Daniel

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  • iPhone SDK Zoom and refresh PDF with Quartz

    - by Ben
    Looking at the QuartzDemo sample application, I love the speed of the PDF rending using quartz alone (that is, without using uiwebview). However, when I'm zooming in the PDF it doesn't seem to become more clear like it does in PDF view. Is there something that I can change to have the same effect when zooming in and out using multitouch? like manipulate the PDF transformation matrix or something? Thanks a bunch. --Ben

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  • iPhone crashing when presenting modal view controller

    - by Michael Waterfall
    Hi there, I'm trying to display a modal view straight after another view has been presented modally (the second is a loading view that appears). - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load LoadViewController *loader = [[LoadViewController alloc] init]; [self presentModalViewController: loader animated:NO]; [loader release]; } But when I do this I get a "Program received signal: "EXC_BAD_ACCESS"." error. The stack trace is: 0 0x30b43234 in -[UIWindowController transitionViewDidComplete:fromView:toView:] 1 0x3095828e in -[UITransitionView notifyDidCompleteTransition:] 2 0x3091af0d in -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] 3 0x3091ad7c in -[UIViewAnimationState animationDidStop:finished:] 4 0x0051e331 in run_animation_callbacks 5 0x0051e109 in CA::timer_callback 6 0x302454a0 in CFRunLoopRunSpecific 7 0x30244628 in CFRunLoopRunInMode 8 0x32044c31 in GSEventRunModal 9 0x32044cf6 in GSEventRun 10 0x309021ee in UIApplicationMain 11 0x00002154 in main at main.m:14 Any ideas? I'm totally stumped! The loading view is empty so there's definitely nothing going on in there that's causing the error. Is it something to do with launching 2 views modally in the same event loop or something? Thanks, Mike Edit: Very strange... I have modified it slightly so that the loading view is shown after a tiny delay, and this works fine! So it appears to be something within the same event loop! - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load [self performSelector:@selector(doit) withObject:nil afterDelay:0.1]; } - (void)doit { [self presentModalViewController:loader animated:YES]; }

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  • Problem with fetching dictionary objects in array from plist iphone sdk

    - by neha
    Hi all, What is the datatype you use to fetch items whose type is dictionary in plist i.e. nsmutabledictionary or nsdictionary? Because I'm using following code to retrieve dictionary objects from an array of dictionaries in plist. NSMutableDictionary *_myDict = [contentArray objectAtIndex:0]; NSLog(@"MYDICT : %@",_myDict); NSString *myKey = (NSString *)[_myDict valueForKey:@"Contents"] ; [[cell lblFeed] setText:[NSString stringWithFormat:@"%@",myKey]]; Here, on first line it's showing me objc_msgsend. ContentArray is an nsarray and it's contents are showing 2 objects that are there in plist. In plist they are dictionary objects. Then why this error? Can anybody please help? Thanx in advance.

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  • How to reset iPhone simulator

    - by Stefan Mayr
    My app uses the location service. To test what is happening when the user presses 'Don't allow' when the simulator asks for the permission to access the location service (when the app is started for the first time) I need to reset the simulator. This because the question was answered at the beginning of the development process with allow. So no more questions are asked. Reseting the Simulator with "Reseting Content and Settings.." don't bring back the question at the start. What I am doing wrong? thx in advance

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  • iPhone: Save boolean into Core Data

    - by Nic Hubbard
    I have set up one of my core data attributes as a Boolean. Now, I need to set it, but XCode keeps telling me that it may not respond to setUseGPS. [ride setUseGPS: useGPS.on]; What is the method for setting a boolean in core data? All my other attributes are set this way, and they work great. So, not sure why a boolean does not work to be set this way?

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  • iPhone UIControl and Subview

    - by Jack Thompson
    I currently have a UIControl, which has a number of subviews (image, label). Unfortunately when I use addTarget etc. It doesn't detect touches on the subviews. [myCustomView addTarget:self action:@selector(touchedView:) forControlEvents:UIControlEventTouchUpInside]; Is it possible for the UIControl to detect touches on subviews or should i be approaching it differently.

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  • iPhone: Issue disabling Auto-Cap/autocorrect on a UITextField

    - by phil swenson
    For some reason, even though I disable the auto-cap and auto-correct of my UITextField, it's still capitalizing the first letter of my input. Here is the code: UITextField* textField = [[[UITextField alloc] initWithFrame:CGRectMake(90.0, 10.0, 213.0, 25.0)] autorelease]; [textField setClearButtonMode:UITextFieldViewModeWhileEditing]; textField.returnKeyType = UIReturnKeyGo; textField.autocorrectionType = FALSE; textField.autocapitalizationType = UITextAutocapitalizationTypeNone; textField.delegate = self; if (inputFieldType == Email) { label.text = @"Email:"; textField.keyboardType = UIKeyboardTypeEmailAddress; emailTextField = textField; textField.placeholder = @"Email Address"; } else { // password textField.secureTextEntry = TRUE; label.text = @"Password:"; if (inputFieldType == Password){ textField.placeholder = @"Password"; passwordTextField = textField; } if (inputFieldType == ConfirmPassword){ textField.placeholder = @"Confirm Password"; confirmPasswordTextField = textField; } } See screenshot:

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  • Double title bar issue iPhone app

    - by Nick Brunch
    I have noticed that whenever a phone call comes in while my app is in use (Or I simulate in-call status bar using the simulator), and the phone call ends, I end up with a double status bar in my app. The status bar goes away if I click any other tab and come back to the original tab (my app has a UITTabBar in it). I have tried so many options that I am losing track now. The most I have read are to set your UIView's size to be flexible in interface builder but nothing seems to work. Please look at the screenshots. I am pasting a default view of the sizing options in interface builder but believe me I have tried every single configuration option there.

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  • problem in AudioStreaming in Iphone Sdk?

    - by senthilmuthu
    I am using sample code of audioStream.zip, it gives wrong total amount of playing time (2.3 sec after played completely through streaming).... for checking purpose ,i checked through downloading that Mp3 file into Document Directory and played in Itune it exactly is played for 2.10 seconds.(correct time) is there any sample code for AudioStreaming except that one to give right Total playing Time?

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  • problem in AudioStreaming in Iphone Sdk?

    - by senthilmuthu
    I am using sample code of AudioStream.zip,but when i use this to play Mp3 file , it gives wrong total amount of playing time(after played completely through streaming).... i checked through downloading that Mp3 file into Document Directory and played in Itune it exactly is played for 2.10 seconds.but in streaming through that code(- (double)progress method) gives total playing time only 2.3 sec, is there any sample code for AudioStreaming except that one to give right Total playing Time?

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  • How do I change my iPhone App binary filename

    - by Kamchatka
    I get the following error when I try to upload the application on iTunes Connect: "Binary file names cannot contain a space. Please rename your binary file and try again." If I try to Validate the Application in XCode, I get: "My Application.ipa: filename may not contain whitespace" So I guess I have to find a way to rename this .ipa file. I don't want to change my product name which has to stay "My Application". How can I do that? Thanks!

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  • Return Selected Phone Address from iPhone Address Book

    - by Ali
    Hey, I found a tutorial online that extends that Apple QuickStart Application which is the basic Address Book Application and another that returns the first phone number regardless of what phone number was clicked. I want to display only the selected phone number in the label. The label is called phoneNumber: - (BOOL)peoplePickerNavigationController: (ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{ ABMutableMultiValueRef phoneMulti = ABRecordCopyValue(person, kABPersonPhoneProperty); NSMutableArray *phones = [[NSMutableArray alloc] init]; int i; for (i = 0; i < ABMultiValueGetCount(phoneMulti); i++) { NSString *aPhone = [(NSString*)ABMultiValueCopyValueAtIndex(phoneMulti, i)autorelease]; [phones addObject:aPhone]; } NSString *mobileNo = [phones objectAtIndex:0]; self.phoneNumber.text = phones; [self dismissModalViewControllerAnimated:YES]; return NO; } How do I ensure that the label is the one selected by the user and not just the first array entry(or any other array entry i code in) Thanks

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  • Iphone build error - literal-pointer symbol(s) not found

    - by Nick
    Sorry I imagine I'm missing something basic here. Before I write up a bunch of details on the specifics of the class I'd appreciate a nudge or smack on the head about the meaning of this build error. I have a subclass of NSObject SiteAnnotation that should be conforming to the MKAnnotation protocol. It is #imported in the ViewController in question When I try to alloc/init: SiteAnnotation *thisAnnotation = [[SiteAnnotation alloc] init]; This is the build error which occurs: Link /build/Debug-iphonesimulator/testbed.app/testbed ".objc_class_name_SiteAnnotation", referenced from: literal-pointer@__OBJC@__cls_refs@SiteAnnotation in MapViewController.o Symbol(s) not found collect2: ld returned 1 exit status Any tips appreciated.

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  • willAnimateRotationToInterfaceOrientation not firing iphone UIInterfaceOrientation

    - by harekam_taj
    Hello, I have a view inside a tabbarcontroller and navigationcontroller and my willAnimateRotationToInterfaceOrientation method is not firing. I have set the view to be FirstResponder and also shouldAutorotateToInterfaceOrientation returning YES; - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation { return YES; } -(BOOL)canBecomeFirstResponder { return YES; } [self becomeFirstResponder];

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