StackOverflow2013

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PO
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Id
9922427
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2012-03-29T09:16:51.383
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2012-03-29T09:16:51.383
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2017-05-23T10:29:15.527
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text
Body
Easiest way would be subclassing <code>UIImageView</code>. For simple dragging take a look at the code here (code borrowed from user MHC): <a href="https://stackoverflow.com/questions/4982277/uiview-drag-image-and-text/8332581#8332581">UIView drag (image and text)</a> Since you want to drag along Bezier path you'll have to modify <code>touchesMoved:</code> <pre><code> -(void) touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *aTouch = [touches anyObject]; //here you have location of user's finger CGPoint location = [aTouch locationInView:self.superview]; [UIView beginAnimations:@"Dragging A DraggableView" context:nil]; //commented code would simply move the view to that point //self.frame = CGRectMake(location.x-offset.x,location.y-offset.y,self.frame.size.width, self.frame.size.height); //you need some kind of a function CGPoint calculatedPosition = [self calculatePositonForPoint: location]; self.frame = CGRectMake(calculatedPosition.x,calculatedPosition.y,self.frame.size.width, self.frame.size.height); [UIView commitAnimations]; } </code></pre> What exactly you would like to do in <code>-(CGPoint) calculatePositionForPoint:(CGPoint)location</code> is up to you. You could for example calculate point in Bezier path that is the closest to <code>location</code>. For simple test you can do: <pre><code>-(CGPoint) calculatePositionForPoint:(CGPoint)location { return location; } </code></pre> Along the way you're gonna have to decide what happens if user wonders off to far from your precalculated Bezier path.
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1. This table or related slice is empty.
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1. POiPhone - Move object along touch and drag path
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 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USCommunity
UserOwnerUserId
1. USRok Jarc
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