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  • iPhone Map: Identifying Users Location

    - by senfo
    I have a number of annotations on my map, in addition to the users current location. This works fine, except the default color for the users current location is the same as all of the other annotations. I'd like to make the pin green for the users current location so that it's uniquely identifiable from the other pins. How do I do this? Bellow is the method I've been using (I can't find a way to determine which annotation is the users current location): - (MKAnnotationView *)mapView:(MKMapView *)mapViewLocal viewForAnnotation:(id <MKAnnotation>)annotation { static NSString *identifier = @"Pin"; MKPinAnnotationView *pinView = (MKPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:identifier]; if (pinView == nil) { pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:identifier] autorelease]; pinView.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; pinView.animatesDrop = YES; pinView.canShowCallout = YES; } else { pinView.annotation = annotation; } return pinView; }

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  • zoomfactor value in CGAffineTransformMakeScale in iPhone

    - by suse
    Hello, 1) I'm doing pinch zoom on the UIImageView , how should i decide upon the zoomfactor value, because when the zoomfactor value goes beyond 0[i.e negative value]the image is gettig tilted, which i dont want it to happen. how to avoid this situation. 2) Y is the flickring kind of rotationis happening, Y not the smooth rotation? ll this be taken care by CGAffineTransformMakeScale(zoomfactor,zoomfactor);method? This is what i'm doing in my code: zoomFactor = 0;// Initially zoomfactor is set to zero - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{ NSLog(@" Inside touchesBegan .................."); NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; OPERATION = [self identifyOperation:touches :first]; NSLog(@"OPERATION : %d",OPERATION); if(OPERATION == OPERATION_PINCH){ //double touch pinch UITouch *second = [twoTouches objectAtIndex:1]; f_G_initialDistance = distanceBetweenPoints([first locationInView:self.view],[second locationInView:self.view]); } NSLog(@" leaving touchesBegan .................."); } - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@" Inside touchesMoved ................."); NSArray *twoTouchPoints = [touches allObjects]; if(OPERATION == OPERATION_PINCH){ CGFloat currentDistance = distanceBetweenPoints([[twoTouchPoints objectAtIndex:0] locationInView:self.view],[[twoTouchPoints objectAtIndex:1] locationInView:self.view]); int pinchOperation = [self identifyPinchOperation:f_G_initialDistance :currentDistance]; G_zoomFactor = [self calculateZoomFactor:pinchOperation :G_zoomFactor]; [uiImageView_G_obj setTransform:CGAffineTransformMakeScale(G_zoomFactor, G_zoomFactor)]; [self.view bringSubviewToFront:resetButton]; [self.view bringSubviewToFront:uiSlider_G_obj]; f_G_initialDistance = currentDistance; } NSLog(@" leaving touchesMoved .................."); } - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@" Inside touchesEnded .................."); NSArray *twoTouches = [touches allObjects]; UITouch *first = [twoTouches objectAtIndex:0]; if(OPERATION == OPERATION_PINCH){ //do nothing } NSLog(@" Leaving touchesEnded .................."); } Thank You.

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  • finding out the selectted section of a pie chart in iphone

    - by sandeep sinha
    I am using Core-Plot to draw the pie chart.I am having no issues in drawing the pie chart.I need the pie chart to be interactive in nature, i.e., if I click on any particular section on pie chart, it should navigate to the next page showing details of that particular section. Kindly help me in this regard. I tried using -(void)pieChart:sliceWasSelectedAtRecordIndex: but its not working . The method is not being called.

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  • TabBar implementation issue in iphone

    - by iPhoneDev
    Hi, My project is navigation based template and it was running fine until I made changes in some child view. I need to add 4 Tab in some child view. So what I did is create a TabBarController programmatically on ViewDidLoad as: // (void)viewDidLoad { [super viewDidLoad]; helpView = [[HelpView alloc] initWithNibName:@"HelpView" bundle:nil]; settingView = [[SettingView alloc] initWithNibName:@"SettingView" bundle:nil]; tabBarController = [[UITabBarController alloc] init]; tabBarController.viewControllers = [NSArray arrayWithObjects:helpView,settingView,nil]; [self.view addSubview:[tabBarController view]]; } I am able to add two view in tab bar but not Tab Title. Please let me know what I am missing to display Title on tab button. ( Is a NavigationBased project) Thanks

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  • xCode Distribution error {iPhone SDK}

    - by Momeks
    Hi , when i want compile my app with the Distribution or Release method i get 140 ERRORS, i am using facebook connect on my app , and the path is right [my errors refer to fbconnect] , xcode runs my app fine on the debug !!!!!!! what's the problem ?

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  • iphone coredata fetch-request sorting

    - by satyam
    I'm using core data and fetching the results successfully. I've few questions regarding core data 1. When I add a record, will it be added at the end or at the start of entity. 2. I'm using following code to fetch the data. Array is being populated with all the records. But they are not in the same order as I entered records into entity. why? on what basis default sorting is used? NSFetchRequest* allLatest = [[NSFetchRequest alloc] init]; [allLatest setEntity:[NSEntityDescription entityForName:@"Latest" inManagedObjectContext:[self managedObjectContext]]]; NSError* error = nil; NSArray* records = [managedObjectContext executeFetchRequest:allLatest error:&error]; [allLatest release]; 3. The way that I enter the records, 1,2,3,4......... after some time, I want to delete the records that I entered first(i mean oldest data). Something like delete oldest two records. How to do it?

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  • Handling touches during animation on iPhone

    - by SalvoMaltese
    I have a view with multiple controls inside (a picker, a switch, a slider...). I use an animation to move this view; it appears from bottom and goes up until it disappear by the top. I can't get the inside controls respond to touches while the view is moving. How can I catch those touches?

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  • How to play songs in iPhone from server ?

    - by hib
    Hello all, In my current application I want to show a songs list in table view which is pretty easy but on selection of one of the songs it should be played in media player . How can I do so . Provide me if anyone have good tutorial or example link

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  • iPhone SDK Objective-C __DATE__ (compile date) can't be converted to an NSDate

    - by Janice
    //NSString *compileDate = [NSString stringWithFormat:@"%s", __DATE__]; NSString *compileDate = [NSString stringWithUTF8String:__DATE__]; NSDateFormatter *df = [[[NSDateFormatter alloc] init] autorelease]; [df setDateFormat:@"MMM d yyyy"]; //[df setDateFormat:@"MMM dd yyyy"]; NSDate *aDate = [df dateFromString:compileDate]; Ok, I give up. Why would aDate sometimes return as nil? Should it matter if I use the commented-out lines... or their matching replacement lines?

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  • iphone NSMutableArray loses objects at end of method

    - by Brodie4598
    Hello - in my app, an NSMutableArray is populated with an object in viewDidLoad (eventually there will be many objects but I'm just doing one til I get it working right). I also start a timer that starts a method that needs to access the NSMutableArray every few seconds. The NSMutableArray works fine in viewDidLoad, but as soon as that method is finished, it loses the object. myApp.h @interface MyApp : UIViewController { NSMutableArray *myMutableArray; NSTimer *timer; } @property (nonatomic, retain) NSMutableArray *myMutableArray; @property (nonatomic, retain) NSTimer *timer; @end myApp.m #import "MyApp.h" @implementation MyApp @synthesize myMutableArray; - (void) viewDidLoad { cycleTimer = [NSTimer scheduledTimerWithTimeInterval:4.0 target:self selector:@selector(newCycle) userInfo: nil repeats:YES]; MyObject *myCustomUIViewObject = [[MyObject alloc]init]; [myMutableArray addObject:myCustomUIViewObject]; [myCustomUIViewObject release]; NSLog(@"%i",[myMutableArray count]); /////outputs "1" } -(void) newCycle { NSLog(@"%i",[myMutableArray count]); /////outputs "0" ?? why is this?? }

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  • IPhone Objectvie C

    - by Sea
    I am trying to determine if a UILabel was touched and if so do something. Give .. . . . UILabel * site = [[UILabel alloc] initWithFrame:CGRectMake(0, 185, 320, 30)]; site.text = [retriever.plistDict valueForKey:@"url"]; site.textAlignment =UITextAlignmentCenter; site.backgroundColor = [UIColor clearColor]; site.textColor = [UIColor whiteColor]; site.userInteractionEnabled = YES; [theBgView addSubview:site]; [site release]; . . . Then I write the callback. - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{ retriever = [PListRetriever sharedInstance]; CGPoint pt = [[touches anyObject] locationInView: self]; NSURL *target = [[NSURL alloc] initWithString:[retriever.plistDict valueForKey:@"url"]]; [[UIApplication sharedApplication] openURL:target]; } The problem is right now, no matter where I touch in the View the Url is being opened. How do I determine if only just my label was touched?

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  • iPhone: Grouped tables and navigation controller issues

    - by Jack Griffiths
    Hi there, I've set up a grouped table on my app, and pushing to new views works fine. Except for one thing. The titles and stack layout are all weird. Here's the breakdown: I have two sections in my table. When I tap on the first row in the first section, it takes me to the correct view, but the title of the new view is the name of the first row in the second section of the table. In turn, the second row in the first section's title is the second row in the second section's title. If I tap on the second row in the second section of the root view table, the navigation button goes to the second row in the first section of the table. So here's a diagram of my table: Table Section 1 Row 1 Row 2 Row 3 Table Section 2 Row A Row B Row C So if I tap on row 3, the title of the pushed view is Row C. The navigation button tells me to go back to Row 3, then eventually ending up at the root view. Here's my implementation file pushing the views: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { //CSS if ([[arryClientSide objectAtIndex:indexPath.row] isEqual:@"CSS"]) { CSSViewController *css = [[CSSViewController alloc] initWithNibName:@"CSSViewController" bundle:nil]; [css setTitle:@"CSS"]; [self.navigationController pushViewController:css animated:YES]; } //HTML if ([[arryClientSide objectAtIndex:indexPath.row] isEqual:@"HTML"]) { HTMLViewController *html = [[HTMLViewController alloc] initWithNibName:@"HTMLViewController" bundle:nil]; [html setTitle:@"HTML"]; [self.navigationController pushViewController:html animated:YES]; } //JS if ([[arryClientSide objectAtIndex:indexPath.row] isEqual:@"JavaScript"]) { JSViewController *js = [[JSViewController alloc] initWithNibName:@"JSViewController" bundle:nil]; [js setTitle:@"JavaScript"]; [self.navigationController pushViewController:js animated:YES]; } //PHP if ([[arryServerSide objectAtIndex:indexPath.row] isEqual:@"PHP"]) { PHPViewController *php = [[PHPViewController alloc] initWithNibName:@"PHPViewController" bundle:nil]; [php setTitle:@"PHP"]; [self.navigationController pushViewController:php animated:YES]; } //SQL if ([[arryServerSide objectAtIndex:indexPath.row] isEqual:@"SQL"]) { SQLViewController *sql = [[SQLViewController alloc] initWithNibName:@"SQLViewController" bundle:nil]; [sql setTitle:@"SQL"]; [self.navigationController pushViewController:sql animated:YES]; } & the array feeding the table's data: - (void)viewDidLoad { [super viewDidLoad]; arryClientSide = [[NSArray alloc] initWithObjects:@"CSS",@"HTML",@"JavaScript",nil]; arryServerSide = [[NSArray alloc] initWithObjects:@"Objective-C", @"PHP",@"SQL",nil]; // arryResources = [[NSArray alloc] initWithObjects:@"HTML Colour Codes", @"Useful Resources", @"About",nil]; self.title = @"Select a Language"; [super viewDidLoad]; // Uncomment the following line to display an Edit button in the navigation bar for this view controller. // self.navigationItem.rightBarButtonItem = self.editButtonItem; } Any help would be greatly appreciated. Jack

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  • NSMutableArray of NSString in CoreData(iPhone

    - by azia
    I have a class, which describe an object for parsing XML. This class contains NSStrings and NSMutableArrays of NSStrings.I want to store parsed data using CoreData. How should I write CoreData model to store such objects if there is no such data type like NSMutableArray? Is there any way?

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  • iPhone NSTimer OpenGL problem

    - by Toby Wilson
    I've got a problem that only seems to occur on the device, not in the simulator. My app's animation is started and stopped using these methods: NSTimer* animationTimer; -(void)startAnimation { if(animationTimer = nil) animationTimer = [NSTimer scheduledTimerWithTimeInterval:1.0f/60.0f target:self selector:@selector(drawView) userInfo:nil repeats:YES]; } -(void)stopAnimation { [animationTimer invalidate]; animationTimer = nil; } In the simulator this works fine and drawView starts being called at 60fps. On the device (testing on iPod Touch), the scheduleTimerWithTimeInterval method doesn't seem to work. Furthermore, [animationTimer invalidate] causes EXC_BAD_ACCESS. I've spotted an obvious but minor flaw; adding if(animationTimer != nil) to the stopAnimation method will prevent the crash, but doesn't solve the problem of the animation timer not being properly initialised. Edit: The above doesn't prevent a crash. animationTimer != nil yet calling invalidate causes EXC_BAD_ACCESS. Should also add, this problem doesn't occur all the time on the device. Maybe 40% of the time.

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  • Loading an NSArray on iPhone from a dynamic data base url in PHP or ASP

    - by Brad
    I have a database online that I would like to be able to load into an NSArray in my app. I can use arrayWithContentsOfURL with a static file, but I really need to go to a url that generates a plist file from the database and loading it into the array. I can use ASP or PHP. I tried setting the response type to "text/xml", but that doesn't help. Any thoughts?

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  • iphone: unrecognized selector sent to instance

    - by eshalev
    I am new to objective C, So maybe there is some basic thing that I am missing about selectors. I would like to understand the basic concept behind this error as I have not found an general error reference. I am getting this error when using: [CloseButton addTarget:PageContents action:@selector(CloseButtonPressed) forControlEvents:UIControlEventTouchUpInside]; and then later: - (void)CloseButtonPressed:(id)sender{ UIAlertView *someError = [[UIAlertView alloc] initWithTitle: @"Comment" message: @"hello" delegate: self cancelButtonTitle: @"Ok" otherButtonTitles: nil]; [someError show]; [someError release]; }

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  • how to create binary of iphone application

    - by CodeWriter
    hello, On reading the iTunesConnect_DeveloperGuide.pdf, i came across the term binary. This is the paragraph found in the pdf: To submit your application through iTunes Connect and get it posted on the App Store successfully, make sure you have the following: Application binary (includes 57px icon), large 512px icon for use on the App Store, primary screenshot, contract information, export compliance information and applica- tion metadata It is also mentioned that the binary should be a zipped file. Can anyone please explain what is a binary and how to create one? Thanks

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  • iphone dev - activity indicator scroll with the table

    - by Brian
    In a view of my app I subclass tableViewController and has an activity indicator shown up when the table content is loading. I put it in the center of the screen but it scroll with the tableView (I guess the reason is I add it as a subview of the table view). Is there a way that I can keep the activity indicator in the center of the screen even the table is scrolling? Thanks in advanced.

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  • About hide toolbar in iphone app

    - by Jagie
    I have a navigationController which root viewController has no toolbar,but the root viewController navigates to a viewController which has a always visible toolbar.I must assure the root viewController's toolbar is hidden whether it is presented first or its above viewController is poped in the navigationController stack.So,I use the following code in the root viewController: - (void)viewWillAppear:(BOOL)animated{ [super viewWillAppear:animated]; [self.navigationController setToolbarHidden:YES animated:YES]; } is this the best sulotion?or I should use "hidesBottomBarWhenPushed" etc?

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  • Best approach to make Page Flip animation on iPhone (like magazine)

    - by 2Fast4YouBR
    Hi all, What would be the besta approach to make one oage flip like a real magazine, like I put the finger in the corner of the screen then flip the page... Like this video: http://www.youtube.com/watch?v=dy4Y9j7COgg&feature=related Is it a sequence of images ? all images are in one view or Imageview ? Or there is another way to do it using the some stuff of the SDK? is this effect exisits or we have to develop ? cheers

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  • iphone SDK confusion

    - by eco_bach
    Hi I accidentally deleted my sdk 3.0 directory, thinking I didn't need it. Now when I launch and compile a project it says that my base sdk is missing. Where can I download the 3.0 sdk? All that is available in Dev Center are the 3.2 and 4 beta sdks?

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