uitouch

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

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 shouldReceiveTouch:(UITouch *)touch { // Double tapping anywhere on ...

Detect if certain UIView was touched amongst other UIViews

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 in the second UIView and a UITable in the 3rd UIView. Problem is I turn userInte...

UITouch Events and Table Views

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; ...

UITouch Event Propagation To Background UIViews

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 Ty...

Getting x/y coordinate of a UITouch...

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 dragging my finger to ...

touchesBegan and other touch events not getting detected in UINavigationController

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]; navigationController = [[UINavigationContr...

Move UIImage by touchmove in increment of 20 pixels X-coord or Y-coord.

Hi. I'm quite new to programming and i having a problem right now figuring out some methods on my program. anyways i cant figure out how to work out my touchmove event. I want to move a uiimage in x direction or y direction depending on the direction of the touchmove event but i want the movement to be in a grid type movement like by 20 ...

Debugging touchesEnded NOT being called when swiping in 1 direction only

Hi Totally stumped in debugging a simple swipe movement for my application. When I swipe in a left direction, I correctly get a touchesEnded message-method call. BUT, if I drag in the other direction, touchesEnded does NOT get called. Anyone have a clue as to why this might be? I'm using a TapDetectingView as my view for my viewControl...

Find the Speed of Touches and Swipes?

Hi Frineds, I wanted to know how we can find the speed of user's Touch and Swipes. Can some one give a sample for that? ...

Get Image Position in iphone application

Hi Dude, I like to get the position ie. xposition and yposition of an image in my code. How to extract the positions. Can some one guide me. Thanks in advance. ...

UITouch - Event not responding

Hello, I have the following piece of code that I'm expecting to run on a touch event: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch; touch=[touches anyObject]; CGPoint point=[touch locationInView:self.view]; if (CGRectContainsPoint([billTotal frame],point)) { [self picker...

Have UITouch only perform task when touching certain color

How can I have UITouch recognize and perform a certain task ONLY when I touch a certain color in a UIImage view. For example: I have an image of a street. The street has greyish buildings and a white road. If I touch a building, I don't want anything to happen, but if I touch a white road, I want to highlight that section where I tou...

UITouch-Events with different views - no more events

Hi, i´ve created a custom-uiview-class. There i create my view and handle my touch-events. I´m look for a "touchesBegan"-event. If the tapcount > 1, i want to create an additional UIImageView which holds a UIImage (and fills complete the old view) where the user can zoom that image. So if the tapcount is only 1, i´m getting output in ...

NSString and UITouch...what in the world is going on?

I have an error with NSString. In one of my .m files I have a member called "conversions" of type NSString and within a method of that class the string is manipulated and added on to and etc. Well, when I try to Log that string in a different method that is later called, for some reason the string is printing as a UITouch object. Specifi...

iphone keyboard touch events

I need to be able to detect touch events on the keyboard. I have an app which shows a screen which occurs after a certain period of inactivity (i.e. no touch events) To solve this issue, I have subclassed my UIWindow and implemented the sendEvent function, which allows me to get touch events on the whole application by implementing the...

NSArray randomly turning into different things!

I am having a problem with memory management I think. My NSArray (called arr) is turning into different things at random times. I have no idea why. I have a .h file that that declares the array, and then I initialize the array using NSString *input = [[NSString alloc] initWithData:myData encoding:NSACIIStringEncoding]; arr = [input com...

Not able to call touch event in iphone when clicking on a button.

Hi all i need to call touch event in iphone when i clicked on a button. i have the following code which is not calling touch event Please any one let me know how to resolve this. The button code is as follows. -(void)method { BottomView = [[UIView alloc] init]; btnRefresh =[UIButton buttonWithType:UIButtonTypeCustom]; [btnRef...

Send UITouches over a network

I am building an app which allows a user to draw on the screen. I'd like to add network capability so that user A can draw on user B's screen. My current plan is to build a system where I have my own UserOrNetworkTouch object which can be created based on either a real UITouch, or a message which comes over the network, and base all of t...

How to detect a UIImageView inside a UIScrollView

HI I have a UIScrollView In this scrollView i have added an UIImage ,UILabel,UIButton. I want to detect the double click of UIImage inside the UIScrollView. -(void) touchesbegin:(NSSet *)touchs withEvent:(UIEvent *)event { if([[touches anyObject]view]==??) { //MyCode on double tap of UIImageView inside UIScrollView }...

touch on UIwindow?

i have four viewcontroller in my UIwindow.i want to interchange my viewcontroller's view among four through UItouch in UIWindow?is it possible to handle touchmoved in appdelegate.m file to change the frame origins of those viewcontrollers? ...