I am stuck with a problem actually the scene is like this in my view controller i have place several buttons which i can move within the view now in same view half of the screens is occupied by uiscrollview in this scrollview also i have several uibuttons which i want to move from uiscrollview to uiview Now when i try to move uibutton from uiscrollview to uiview it hides as it moves from the scrollview similarly as i move uibutton from uiview to uiscrollview then also it hides as my drag reaches the scrollview area.
Please help me out with this problem
Thanks in advance....
Your UIButtons each have a superview. For the UIButtons in the scrollview, the UIScrollView is the superview. When you have scrollView.clipsToBounds == YES, then the UIButtons in the scrollview will become obscured if you move them outside of the visible area of the scrollview.
There are several possible solutions, including:
Add code to change the superview of the UIButtons once they reach the edge of the scrollview (but this is tricky, and I wouldn't do it unless there was an easier option, check out Apple's UIView documentation, especially (UIView)removeFromSuperview and (UIView)addSubview:). You would have to perform this switch of superview in the code that moves the button (or tracks the move).
Add the UIButtons to a UIView which is the parent of the scrollview, maybe even your viewcontroller.view (but your UIButtons in the scrollview will no longer move with the scrollview upon scrolling). You would add the buttons to the view behind the scrollview, but so that they show above it.
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I am new to iPhone development. I have added lot of UIImageview to the UIScrollview. While clicking that UIImageView I need to move the particular UIImageView to another UIscrollview placed on the bottom of the screen as UIImageView.
You can use a PanGestureRecognizer for this. You need to move the view to the superview of the scrollView while dragging and then after releasing it, you need to place it in the new scrollView correctly.
I wrote a library for exactly this, check out my JDDroppableView Library: https://github.com/jaydee3/JDDroppableView
I have a UIView with labels and textfields and I tested it in the simulator and noticed that I cannot scroll to see the rest of the view, how can I make the view into a UIScrollView and what do I need to do so I can make the view scrollable? I don't want to move labels and stuff or delete the UIView, is there a simple way?
Take a UIScrollView in Xib file outside your view. drag your view into this scrollview. The subviews inside your view remains same. and set the scrollview's contentSize
I have a transparent overlay that I'd like to put over a UIScrollview. I'm adding it as an Imageview sibling view to the scrollview so that it remains stationary while the scrollview subviews move freely underneath. The problem is that views pass their events to the superview, not the siblings. IS there a way to pass events from this overlay to the scrollview? Or can anyone think of a better way to achieve the same effect? Thanks!
This should Just Work, as long as the UIImageView has its userInteractionEnabled property set to NO: the superview sends -hitTests:withEvent: to its subviews in order, and the UIImageView should return nil, whereas the UIScrollView should return itself (because it has gesture recognizers).
If it's not working for you, the chances are that your view layout is not what you think it is. UIView has a useful method called -recursiveDescription which you should call on the superview and NSLog the result.
I want to create a big UIScrollView, its contentView should contain more than 30 UIButton. Positions of these UIButton are not rectiligne and cannot be create 'programmaticaly' so I've placed all these UIButton on a UIView manually. I zoom/dezoom and scroll all over my UIScrollView fine BUT here is my problem : UIButton created offscreen is not accessible, I mean I can't click them (only UIButton created in the CGRect(0.f, 0.f, 320.f, 480.f) can be click.
Any suggestion ?
Create a view, put a scrollView inside that view, and place your buttons on the scrollView. While adding buttons and moving them around, be certain that they're always inside the scrollView by looking at the object hierarchy in interface builder.
You can slide the scrollView around as you place things, no need to zoom. As long as your buttons are children of your scrollView it should work fine.
I'm trying to make a very simple scrolling page via IB. What I've got is a UIImageView at the top and 2 UIImageViews at the bottom, with a UITextView in the middle. I've disabled the scrolling in the UITextView as I won't the whole page to scroll up and down including the UIImageViews.
Can anyone tell me why the UIScrollView won't scroll up and down? All of the items above are subviews of UIScrollView via IB.
You can only scroll in a UIScrollView if the contentSize is larger than the frame. Have you set this?