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Search found 128 results on 6 pages for 'uitouch'.

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• Using UITouch inside a UIScrollView

  - by Chris

  Hi all, Just toying with the SDK and I was wondering if possible a UITouch event can work inside a UIScrollView. I have setup a UIScrollView which handles a large UIView, inside the UIView is a UIImageView, I've managed to get the UITouch to drag the UIImageView outside of the UIScrollView but inside it's not registering the event. I suppose…

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• iPhone App rejected because of Three20 private API undocumented, private UITouch instance variables:

  - by Sijo

  I got a notification mail after submitting to app store.. "During our review of your application we found it is using private APIs, which is in violation of the iPhone Developer Program License Agreement section 3.3.1; "3.3.1 Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs."…

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• UITouch Event Propagation To Background UIViews

  - by drewww

  I'm having troubles getting any UIView that's not the foreground UIView to receive UITouch events. I'm building an all-Core Graphics-app, so I'm not using any built in UIViews or IB or anything - everything is programmatically constructed and drawn into. Here's my view hierarchy: Root View Type A Container Type A View Type A View Type A…

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• UITouch Events and Table Views

  - by Andy

  I'm working on a navigation-based iPhone-only app that serves two main purposes: One, to present data in a hierarchical view, allowing users to drill down and eventually edit said data, and, two, to all users to perform a default action when the table view cell is tapped. I now need to offer a small set of options tied to the same data;…

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• Cancel UITouch Events When View Covered By Modal UIViewController

  - by kkrizka

  Hi there, I am writing an application where the user has to move some stuff on the screen using his fingers and drop them. To do this, I am using the touchesBegan,touchesEnded... function of each view that has to be moved. The problem is that sometimes the views are covered by a view displayed using the [UIViewController…

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• Getting x/y coordinate of a UITouch...

  - by Tarek

  HI, I have been trying to get the x/y coordinates from a touch on any iDevice. When getting the touch locations, everything looks ok if the touch is in the middle of the screen. But if I drag my finger to the bottom of the screen, I can only get a y coordinate of 1015. It should be getting to 1023. Same thing for…

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• Differentiating Between UITouch Objects On The iPhone

  - by Jasarien

  Hey guys, I'm trying to differentiate between two (or more) UITouch objects on the iPhone. Specifically, I'd like to know the order in which the touches occurred. For instance, in my -touchesBegan:withEvent: method I get an NSSet of UITouch objects. Now I can find out how many touches there are, but, which object…

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• Odd values/movement with UITouch and CGPoint.

  - by Joshua

  I'm getting odd numbers from UITouch and CGPoint and one is different, I also think this maybe causing a flickering affect in my app when I try to move something by following a touch. This is the code I'm using: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSLog(@"touchDown"); UITouch…

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• Multiple touch problem using UITouch/UIView in iphone

  - by John Qualis

  Hi, I am trying to implement a 2-finger "pinch" and "expand" (or enlarge) on a UIView using iPhone 3G and SDK 3.1.2. I haven't done programmed in UITouch/UIEvent before, so I appreciate any guidance to the problem I am facing. When I touch the screen with 2 fingers I see that sometimes "touchesBegan" gives…

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• Unable to forward UITouch events to my view controller

  - by hyn

  I have a UISplitViewController setup with a custom view added as a subview of the view (UILayoutContainerView) of split view controller. I am trying to forward touch events from my custom view controller to the master and detail views, but the following (which was suggested here on another thread) seems to…

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• UIScrollView zoomToRect not zooming to given rect (created from UITouch CGPoint)

  - by pmhart

  My application has a UIScrollView with one subview. The subview is an extended UIView which prints a PDF page to itself using layers in the drawLayer event. Zooming using the built in pinching works great. setZoomScale also works as expected. I have been struggling with the zoomToRect function. I found…

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• touchesBegan and other touch events not getting detected in UINavigationController

  - by SaltyNuts

  In short, I want to detect a touch on the navigation controller titlebar, but having trouble actually catching any touches at all! Everything is done without IB, if that makes a difference. My app delegate's .m file contains: MyViewController *viewController = [[MyViewController alloc] init];…

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• touchesEnded not being called??? or randomly being called

  - by Rob

  If I lift my finger up off the first touch, then it will recognize the next touch just fine. It's only when I hold my first touch down continuously and then try and touch a different area with a different finger at the same time. It will then incorrectly register that second touch as being…

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• touchesBegan / Ended incorrectly identifying second, third, etc. touch

  - by Rob

  I have an issue where touchesBegan and touchesEnded are incorrectly identifying my second, third, etc touch if I continue to hold down my first touch. If I lift my finger up off the first touch, then it will recognize the next touch just fine. It's only when I hold my first touch down…

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• How do you tell what object is being touched in touchesBegan?

  - by Flafla2

  I know that this is a very commonly asked question, but all of the answers on every website don't work! If you still don't know what I mean, then maybe this line of code will help you understand. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch =…

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• iPad. UIBarButtonItem has an undocumented view of type UIToolbarTextButton. Huh?

  - by dugla

  I have an iPad app where I have a view controller that is the UIGestureRecognizerDelegate for a number of UIGestureRecognizers. I have implemented the following method of UIGestureRecognizerDelegate: - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer…

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• Handling touches in UITableViewController

  - by subw

  I want to implement the handling of an additional swipe gesture in my UITableViewController. However, it seems that in the case of tableviews the usual touch handling methods like -[touchesBegan::] of the controller are not called. How can I handle touches on a…

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• iPhone - how to track touches and allow button taps at the same time?

  - by Jonathan Cohen

  I'm wondering how to track touches anywhere on the iPhone screen and still have UIButtons respond to taps. I subclassed a UIView, made it full screen and the highest view in the hierarchy, and overrode its pointInside:withEvent method. If I return YES, I'm…

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• Detect if certain UIView was touched amongst other UIViews

  - by Rudiger

  HI Guys, Sorry if this has been answered elsewhere but I can't seem to get it to work. I have 3 UIViews, layered on top of one large uiview. I want to know if the user touches the top one and not care about the other ones. I will have a couple of buttons…

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• Can I detect if higher subview has been touched?

  - by Kevin Beimers

  I've got a big UIView that responds to touches, and it's covered with lots of little UIViews that respond differently to touches. Is it possible to touch anywhere on screen and slide around, and have each view know if it's being touched? For example, I…

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• iPhone "touchesBegan" and "touchesMoved" message ... do not move to centre of touch

  - by Nippysaurus

  I am modifying the "MoveMe" example from the apple web site. When I get the "touchesMoved" message I move the centre of the target view to the centre of the touch. Is there a way that when the touch starts ("touchesBegan" message) I can remember the…

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• Not receiving touchesEnded/Moved/Cancelled after adding subView

  - by Sam

  Title more or less says it all. In response to a touchesBegan event, my UIViewController recolours itself and adds some subviews. It never receives the touchesEnded. I guess because the added subviews are somehow intercepting the event. I tried…

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• Is it okay to programmatically create UITouch and UIEvent objects to emulate touch events?

  - by mystify

  I want to simulate some touches on my UI, without using private API. So one simple way to do it is to simply call those -touchesBegan:withEvent:, -touchesMoved:withEvent:, -touchesEnded:WithEvent: and -touchesCancelled:withEvent: methods inside my…

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• Isometric layer moving inside map

  - by gronzzz

  i'm created isometric map and now trying to limit layer moving. Main idea, that i have left bottom, right bottom, left top, right top points, that camera can not move outside, so player will not see map out of bounds. But i can not understand…

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• iPhone smooth move and pinch of UIImageView

  - by Jacob

  I have an image view that I'm wanting to be able to move around, and pinch to stretch it. It's all working, but it's kinda jumpy when I start to do any pinch movements. The position will jump back and forth between the two fingers. -…

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