2014/10/15 下午 10:15:24

iphone Programming Glossary: uitouch

How to intercept touches events on a MKMapView or UIWebView objects?

http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects

touches withEvent UIEvent event void touchesMoved NSSet touches withEvent UIEvent event void reset void ignoreTouch UITouch touch forEvent UIEvent event BOOL canBePreventedByGestureRecognizer UIGestureRecognizer preventingGestureRecognizer return..

Intercepting/Hijacking iPhone Touch Events for MKMapView

http://stackoverflow.com/questions/1121889/intercepting-hijacking-iphone-touch-events-for-mkmapview

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

4 Touch Move #pragma mark Touch Methods void touchesMoved NSSet touches withEvent UIEvent event UIImage croppedImg nil UITouch touch touches anyObject CGPoint currentPoint touch locationInView self.imageView double ratioW imageView.image.size.width..

Dragging an UIView inside UIScrollView

http://stackoverflow.com/questions/1481826/dragging-an-uiview-inside-uiscrollview

event return tile return nil And tile view has this method void touchesMoved NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint location touch locationInView self.superview self.center location This works but not fully..

Observing pinch multi-touch gestures in a UITableView

http://stackoverflow.com/questions/2003201/observing-pinch-multi-touch-gestures-in-a-uitableview

events. Example that intercepts a double tap BOOL interceptEvent UIEvent event NSSet touches event allTouches UITouch oneTouch touches anyObject UIView touchView oneTouch view NSLog @ tap count d oneTouch tapCount check for taps on the web.. end up being dispatched to a scroll view if touchView touchView isDescendantOfView webView touches oneTouch.phase UITouchPhaseBegan if oneTouch tapCount 2 self toggleScreenDecorations return YES return NO Related info here http iphoneincubator.com..

Reading PDF files as string through iPhone application

http://stackoverflow.com/questions/2362393/reading-pdf-files-as-string-through-iphone-application

imgV.image imgV.image rotate UIImageOrientationDownMirrored void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint LasttouchPoint touch locationInView self.view int LasttouchX LasttouchPoint.x startpoint.. void touchesMoved NSSet touches withEvent UIEvent event void touchesEnded NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint LasttouchPoint touch locationInView self.view int LasttouchX LasttouchPoint.x endpoint LasttouchX..

Finding the direction of scrolling in a UIScrollView?

http://stackoverflow.com/questions/2543670/finding-the-direction-of-scrolling-in-a-uiscrollview

touchesMoved method void touchesMoved NSSet touches withEvent UIEvent event super touchesMoved touches withEvent event UITouch touch touches anyObject float now touch locationInView self .x float before touch previousLocationInView self .x NSLog @..

Simultaneous gesture recognizers in Iphone SDK

http://stackoverflow.com/questions/2627934/simultaneous-gesture-recognizers-in-iphone-sdk

otherGestureRecognizer return YES BOOL gestureRecognizer UIGestureRecognizer gestureRecognizer shouldReceiveTouch UITouch touch return YES And use it like this UISwipeGestureRecognizer swipeGestureLeft UISwipeGestureRecognizer alloc initWithTarget..

iPhone: Detecting user inactivity/idle time since last screen touch

http://stackoverflow.com/questions/273450/iphone-detecting-user-inactivity-idle-time-since-last-screen-touch

allTouches event allTouches if allTouches count 0 allTouches count only ever seems to be 1 so anyObject works here. UITouchPhase phase UITouch allTouches anyObject .phase if phase UITouchPhaseBegan phase UITouchPhaseEnded self resetIdleTimer void.. allTouches if allTouches count 0 allTouches count only ever seems to be 1 so anyObject works here. UITouchPhase phase UITouch allTouches anyObject .phase if phase UITouchPhaseBegan phase UITouchPhaseEnded self resetIdleTimer void resetIdleTimer.. count only ever seems to be 1 so anyObject works here. UITouchPhase phase UITouch allTouches anyObject .phase if phase UITouchPhaseBegan phase UITouchPhaseEnded self resetIdleTimer void resetIdleTimer if idleTimer idleTimer invalidate idleTimer release..

UIButton inside a view that has a UITapGestureRecognizer

http://stackoverflow.com/questions/3344341/uibutton-inside-a-view-that-has-a-uitapgesturerecognizer

it. Something like the following BOOL gestureRecognizer UIGestureRecognizer gestureRecognizer shouldReceiveTouch UITouch touch test if our control subview is on screen if self.controlSubview.superview nil if touch.view isDescendantOfView self.controlSubview..

Gesture recognizer and button actions

http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions

apple SimpleGestureRecognizers example BOOL gestureRecognizer UIGestureRecognizer gestureRecognizer shouldReceiveTouch UITouch touch Disallow recognition of tap gestures in the segmented control. if touch.view yourButton change it to your condition..

UIView drag (image and text)

http://stackoverflow.com/questions/4982277/uiview-drag-image-and-text

and move the DraggableView. Look at the following example. void touchesMoved NSSet touches withEvent UIEvent event UITouch aTouch touches anyObject CGPoint location aTouch locationInView self.superview UIView beginAnimations @ Dragging A DraggableView..

Is there a way to pass touches through on the iPhone?

http://stackoverflow.com/questions/631427/is-there-a-way-to-pass-touches-through-on-the-iphone

objects by forwarding the touch up the responder chain. Your UIButton has a responder controller that receives the UITouch events my guess is that once it has preformed its interpretation of the message it returns the touch has been handled and..

UIScrollView : paging horizontally, scrolling vertically?

http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically

movements instead of forcing them into a single direction. If you're feeling really adventurous you can write your own UITouch lookalike something like RevengeTouch. Objective C is plain old C and there's nothing more ducktypeful in the world than..

Scrolling with two fingers with a UIScrollView

http://stackoverflow.com/questions/787212/scrolling-with-two-fingers-with-a-uiscrollview

you can try to create artificial touches to feed to UIScrollView by creating a class that looks similar to UITouch. Underlying C code does not check types so maybe casting YourTouch into UITouch will work and you will be able to trick.. creating a class that looks similar to UITouch. Underlying C code does not check types so maybe casting YourTouch into UITouch will work and you will be able to trick UIScrollView into handling the touches that did not really happen. You probably..

UIButton can't be touched while animated with UIView animateWithDuration

http://stackoverflow.com/questions/8346100/uibutton-cant-be-touched-while-animated-with-uiview-animatewithduration

to import the QuartzCore framework and add it to your project. void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint touchLocation touch locationInView self.view for UIButton button in self.buttonsOutletCollection..

iPhone drag/drop

http://stackoverflow.com/questions/979555/iphone-drag-drop

My current code for trying to do this is as follows void touchesMoved NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint location touch locationInView self self.center location This code has the result of a the.. ask for them based on the superview's coordinates like this void touchesMoved NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint location touch locationInView self.superview note self.superview self.center location ..

iPhone Objective C: How to get a pixel's color of the touched point on an UIImageView?

http://stackoverflow.com/questions/1285621/iphone-objective-c-how-to-get-a-pixels-color-of-the-touched-point-on-an-uiimag

the touch event and then extract the color from it. Would anyone mind to help iphone objective c uiimageview pixel uitouch share improve this question A quick google search has revealed some promising leads Getting Pixel data from a CGImage..

How to “transfer” first responder from one UIView to another?

http://stackoverflow.com/questions/1418685/how-to-transfer-first-responder-from-one-uiview-to-another

is not being retargeted to point at the CustomView. How can I achieve the desired effect iphone uiview uibutton uitouch first responder share improve this question Just use hitTest withEvent to figure out what view should be receiving the..

How to send a touch event to iPhone OS?

http://stackoverflow.com/questions/1746452/how-to-send-a-touch-event-to-iphone-os

on a jailbreak iphone. I need to send touch event to iPhone OS to simulate finger touches. Is this possible iphone uitouch share improve this question See Matt Gallagher's article Synthesizing a touch event on the iPhone . You may also check..

Is there any way at all that I can tell how hard the screen is being pressed

http://stackoverflow.com/questions/2103447/is-there-any-way-at-all-that-i-can-tell-how-hard-the-screen-is-being-pressed

that result with out jailbreaking it and getting the raw touch data. Does anyone know How I would do this iphone uitouch pressure share improve this question You cannot get the pressure from the SDK nor undocumented methods. However you..

How to call a method only once during -(void)touchesMoved?

http://stackoverflow.com/questions/2234822/how-to-call-a-method-only-once-during-voidtouchesmoved

me called once while I am inside this frame self pP01 p1 setHighlighted YES else p1 setHighlighted NO iphone uiview uitouch touchesmoved share improve this question You can use some attribute to check if the code was already called when you..

Using UITouch inside a UIScrollView

http://stackoverflow.com/questions/2397818/using-uitouch-inside-a-uiscrollview

when the UIImageView began it's dragging if that makes sense Many thanks iphone objective c cocoa touch uiscrollview uitouch share improve this question If I understood the question correctly UIScrollView intercepts touchMoved events and does..

Detect if certain UIView was touched amongst other UIViews

http://stackoverflow.com/questions/2793242/detect-if-certain-uiview-was-touched-amongst-other-uiviews

NSSet touches withEvent UIEvent event This gets called for a touch anywhere Thanks for any help. iphone uiview uitouch share improve this question In order to check whether certain view inside another view was touched you can use hitTest...

Rotate the image corresponding to the touch drag in iPhone

http://stackoverflow.com/questions/3931606/rotate-the-image-corresponding-to-the-touch-drag-in-iphone

can be done with some math and logic. What would a code sample for this look like iphone uiimageview core animation uitouch share improve this question If you're targeting iOS 3.2 or greater you can use UIRotationGestureRecognizer . The code..

I want To track The Speed Of the fingure movement in pixel Per Second Is It Possible Any WaY?

http://stackoverflow.com/questions/5075291/i-want-to-track-the-speed-of-the-fingure-movement-in-pixel-per-second-is-it-poss

Touch moved in pixel Second Any Budy Having idea For This Except the PanGesture Method iphone iphone sdk 3.0 touch uitouch share improve this question I'll assume you want to know the velocity between consecutive movements and not an average..

How to cancel a sequence of UITouch events?

http://stackoverflow.com/questions/533574/how-to-cancel-a-sequence-of-uitouch-events

method documented in the Apple Developer UIResponder Reference that I can call to cancel a touch sequence. iphone ios uitouch touchesmoved uiresponder share improve this question This solution may be a bit kludgy but you could implement and manually..

Keep two MKMapViews showing the same region

http://stackoverflow.com/questions/5922422/keep-two-mkmapviews-showing-the-same-region

a set of touches on one UIView to another since MKMapView is a UIView Thanks Ross iphone ipad uiview mkmapview uitouch share improve this question You could use UIGestureRecognizer to help keep the maps more in sync as the user is manipulating..

UIButton TouchUpInside Touch Location

http://stackoverflow.com/questions/7374937/uibutton-touchupinside-touch-location

I looked online and couldn't find anything similar to this so thanks in advance. iphone uibutton touch uitouch sender share improve this question UITouch theTouch touches anyObject CGPoint where theTouch locationInView self NSLog..

how can i detect the touch event of an UIImageView

http://stackoverflow.com/questions/855095/how-can-i-detect-the-touch-event-of-an-uiimageview

the touch event and want to handle the event. Could you let me know how can I do that Thanks. iphone uiimageview uitouch share improve this question A UIImageView is derived from a UIView which is derived from UIResponder so it's ready to..