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  • Can't use method from class in other file

    - by user1833848
    I am not able to use one of my methods that i implemented in my tableviewcell file in my tableview controller implementation. I tried searching the web and xcode help with no luck. My codes looks like this: TableViewController.h: #import TableViewCell.h @interface TableViewController : UITableViewController @property (nonatomic, strong) IBOutlet UIBarButtonItem *A1Buy; @property (nonatomic, getter = isUserInteractionEnabled) BOOL userInteractionEnabled; - (IBAction)A1Buy:(UIBarButtonItem *)sender; TableViewController.m: @implementation A1ViewController @synthesize A1Buy = _A1Buy; @synthesize userInteractionEnabled; - (IBAction)A1Buy:(UIBarButtonItem *)sender { [TableViewCell Enable]; //this is where it gives an error } TableViewCell.h: @interface TableViewCell : UITableViewCell { BOOL Enable; BOOL Disable; } @property (nonatomic, getter = isUserInteractionEnabled) BOOL userInteractionEnabled; TableViewCell.m: @implementation TableViewCell; @synthesize userInteractionEnabled; - (BOOL) Enable { return userInteractionEnabled = YES; } - (BOOL) Disable { return userInteractionEnabled = NO; } As you can see i am trying to enable user interaction with a button, but Xcode only gives me errors like "class does not have this method" and stuff like that. All files are importet correctly so thats not why. Would appreciate any help. Thanks!

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  • Back Bar button problem

    - by user342804
    I have a Modal View Controller. I would like to navigate to another page and then back. It is not a navigation controller. What should I do now?Should I place an UIButton Item or a Navigation Item on the navigation Bar?

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  • Breaking One Big Graphic of MutablePaths into CAShapeLayers

    - by StackOverFlowRider
    I have a class called GraphicView that takes a Graphic object and draws it in its drawRect method. This Graphic object is basically an array of mutablePaths that comprise an icon that I want drawn. For performance and other issues, I was thinking of taking this icon that is comprised of mutablePaths, and dividing it into a bunch of CAShapeLayers. I'm wondering is this possible? Considering the points for the mutablePaths of the icon are all interwoven together (ie the icon was initially an SVG file that I converted to code), is it possible to divide different parts of the icon into CAShapeLayers, and reassemble them all together when assigning to the views layer? If so how would it be done? If I assign them as sublayers to a CALayer or CAShapeLayer, will it understand to mesh them all together?

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  • Button not moving on my interface

    - by user1500134
    First before I say anything I want to announce that i'm fairly new to this kind of stuff so don't get all super techie on me :D ! Ok so i'm making an app and i'm trying to get a button to move to certain coordinates depending on the screen size of the phone (4, 4S, 5, etc...). I have correct syntax but the button will not move at all. Here is the part of my .m ViewController file... - (void)viewDidLoad { if([[UIScreen mainScreen] respondsToSelector:NSSelectorFromString(@"scale")]) { if ([[UIScreen mainScreen] scale] < 1.1) { CGRect frame = done.frame; frame.origin.x = 129; //New x coordinate frame.origin.y = 401; //New y coordinate done.frame = frame; NSLog(@"Standard Resolution"); } if ([[UIScreen mainScreen] scale] > 1.9) { NSLog(@"High Defenition Resolution"); } } [super viewDidLoad]; // Do any additional setup after loading the view from its nib. } The NSLog is triggering int he console saying 'Standard Resolution'but the button doesn't move from where I placed it in the XIB file. This may be a small stupid mistake but hopefully you can help me anyways... Thanks guys! :) P.S. Yes I did link my IBOutlet to the button

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  • Reranging a uitableview

    - by Nicolay
    Hallo @ All I ran into the same problem as desciped in http://stackoverflow.com/questions/1884491/crashing-while-trying-to-move-uitableview-rows! All I want to do is on specific reranging operations insert a new cell or delet the selected one! Sometimes I get a * Assertion failure in -[_UITableViewUpdateSupport _setupAnimationForReorderingRow], /SourceCache/UIKit/UIKit-963.10/UITableViewSupport.m:295 Attempt to create two animations for cell exception and when I want to reload my data by calling [self.tableView reloadData] I get a * Terminating app due to uncaught exception 'NSRangeException', reason: '* -[NSCFArray objectAtIndex:]: index (0) beyond bounds (0)' This is quiet anoying! Is there anybody out there who knows how to handle this problem? Please help me!

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  • create CLLocationCoordinate2D from array

    - by shani
    I have a plist with dictionary of array's with coordinates (stored as strings). I want to create a CLLocationCoordinate2D from every array and crate an overlay for the map. I did that - NSString *thePath = [[NSBundle mainBundle] pathForResource:@"Roots" ofType:@"plist"]; NSDictionary *pointsDic = [[NSDictionary alloc] initWithContentsOfFile:thePath]; NSArray *pointsArray = [NSArray arrayWithArray:[pointsDic objectForKey:@"roade1"]]; CLLocationCoordinate2D pointsToUse[256]; for(int i = 0; i < 256; i++) { CGPoint p = CGPointFromString([pointsArray objectAtIndex:i]); pointsToUse[i] = CLLocationCoordinate2DMake(p.x,p.y); NSLog(@"coord %f",pointsToUse [i].longitude); NSLog(@"coord %f",pointsToUse [i].latitude); } MKPolyline *myPolyline = [MKPolyline polylineWithCoordinates:pointsToUse count:256]; [[self mv] addOverlay:myPolyline]; but the app is crashing without any error. (BTW when i remove the addOverLay method the app does not crash). I have 2 questions- What am i doing wrong? I have tried to set the pointsArray count as the argument for the CLLocationCoordinate2D like that - CLLocationCoordinate2D pointsToUse[pointsArray count]; And i am getting an error. How can i set the CLLocationCoordinate2D dynamically ? Thanks for any help. Shani

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  • [super init] and loading NIB / XIB files?

    - by fuzzygoat
    I am a little curious, I have a view controller class and an NIB/XIB (both are named "MapViewController") If I do the following it loads the NIB with the matching name. -(id)init { self = [super initWithNibName:@"MapViewController" bundle:nil]; if(self) { do things ... } return self; } if on the other hand I just specify [super init] does Xcode just look for a NIB that matches the name of the controller, is that how this is working? -(id)init { self = [super init]; if(self) { do things ... } return self; } cheers Gary.

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  • What's wrong with my self-defined init method?

    - by user313439
    In ClassA: - (ClassA *)initWithID:(NSString *) cID andTitle:(NSString *) cTitle { ClassAID = cID; ClassATitle = cTitle; return self; } In ClassB: - (void)cellDidSelected { ClassA *classAController = [[ClassA alloc] init]; //Program received signal: “EXC_BAD_ACCESS” when executing the following line. classAController = [classAController initWithClassAID:ClassAID andClassATitle:ClassATitle]; NSLog(@"I want to get the value of ID:%@ and Title:%@ here.", [classAController ClassATitle], [classAController ClassAID]) } Could anyone point where is wrong? Thanks a lot.

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  • Help needed to assign the value of an object of array to a variable

    - by user594861
    Hi All, This is my code: int random=0; int counter=0; while(counter<25) { random=arc4random() % 40; BOOL flag=[array containsObject:[NSNumber numberWithInt:random] ]; if(flag) { counter--; } else { [array addObject:[NSNumber numberWithInt:random]]; int p=[array objectAtIndex:counter]; //**line4 counter++; } } getting a warning on line 4, not able to assign the value of an object of an array to a variable, please help me Thanks

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  • How to delete a customized cell in UITableView ?

    - by srikanth rongali
    I have UITableView. I customized the cell height (increased). I have 4 labels(UILabel) and 1 image(UIImage) and 3 buttons (UIButton). one of the button is delete button. By touching the cell or button(play button) on the image a video is loaded and played. I need to delete the cell by touching delete button. If I touched the delete button the corresponding video is deleted from library . But, how to delete the cell and all remaining data in it ? I am not able to delete the cells or the data in the cells. How to do it ? Thank you.

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  • Xcode: How to change Image on Touching at an Image (same Position)?

    - by Markus S.
    Simply, I have placed an image with the Interface Builder in a UIView. Now I want to run a method/function when I am touching that image, for example when another image should be loaded. My Code: - (void)touchesended:(NSSet*) touches withEvent:(UIEvent *)event { // UITouch *touch = [touch anyObject]; bild_1_1.image = [UIImage imageNamed:@"t_1_4.jpg"]; //} }

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  • Why do touches only get detected ABOVE my CCBitmapFontAtlas and not ON it? (cocos2d)

    - by RexOnRoids
    I am detecting touches for CCBitmapFontAtlas (just text labels) as shown in the code below. But it seems that touches are only detected slightly ABOVE the CCBitmapFontAtlases? Did something get screwed when converting between coordinate systems? (*Note objects label1, label2, etc are CCBitmapFontAtlas) - (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { for( UITouch *touch in touches ) { CGPoint location = [touch locationInView:[touch view]]; location = [[CCDirector sharedDirector] convertToGL:location]; self.myGraphManager.isSliding = NO; CGRect rectLabel1 = CGRectMake(label1.position.x, label1.position.y, label1.contentSize.width, label1.contentSize.height); CGRect rectLabel2 = CGRectMake(label2.position.x, label2.position.y, label2.contentSize.width, label2.contentSize.height); CGRect rectLabel3 = CGRectMake(label3.position.x, label3.position.y, label3.contentSize.width, label3.contentSize.height); CGRect rectLabel4 = CGRectMake(label4.position.x, label4.position.y, label4.contentSize.width, label4.contentSize.height); CGRect rectLabel5 = CGRectMake(label5.position.x, label5.position.y, label5.contentSize.width, label5.contentSize.height); CGRect rectLabel6 = CGRectMake(label6.position.x, label6.position.y, label6.contentSize.width, label6.contentSize.height); if(CGRectContainsPoint(rectLabel1, location)){ NSLog(@"Label 1 Touched"); }else if(CGRectContainsPoint(rectLabel2, location)){ NSLog(@"Label 2 Touched"); }else if(CGRectContainsPoint(rectLabel3, location)){ NSLog(@"Label 3 Touched"); }else if(CGRectContainsPoint(rectLabel4, location)){ NSLog(@"Label 4 Touched"); }else if(CGRectContainsPoint(rectLabel5, location)){ NSLog(@"Label 5 Touched"); }else if(CGRectContainsPoint(rectLabel6, location)){ NSLog(@"Label 6 Touched"); } } }

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  • What is the best way to implement a Server-Client connection between an iPad and multiple iPhones?

    - by Infinite
    Based on a college-project I'm trying to realize a relatively simple game (Poker) where an iPad acts as Server and multiple iPod-Touchs connect to it as Clients. Gamekit seems to drop out, since those old ipod-touch-devices don't have bluetooth-support. Are there already some Frameworks out there simplifying the process, or do I have to fall back on TCP-Streaming-Sockets and implement it myself?

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  • How can I use a pre-populated core data DB on my device.

    - by KingAndrew
    Hi all, I have developed my app using core data. It works fine in the simulator. When I deploy it to the device the DB is empty. It is 49k where it should be 484k. Basically it is not populated. Since I don't write to the DB when the app is running I need to provide a populated DB to the App. So I copied the populated DB from the simulator to resources and then deploy. Still no luck. the populated DB is in MyApp.app and the AppDelegate is reading from the Documents directory. How do I either get it in the documents directory or get the app delegate to look in the app? Thanks in advance, Andrew

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