2014/10/15 下午 10:05:31

iphone Programming Glossary: contentsize

http://stackoverflow.com/questions/1024603/opengl-es-render-to-texture

once texture Texture2D alloc initWithData 0 pixelFormat kTexture2DPixelFormat_RGB888 pixelsWide 32 pixelsHigh 32 contentSize CGSizeMake width height create framebuffer glGenFramebuffersOES 1 textureFrameBuffer glBindFramebufferOES GL_FRAMEBUFFER_OES..

how do I use UIScrollView in Interface Builder?

http://stackoverflow.com/questions/1135163/how-do-i-use-uiscrollview-in-interface-builder

that fit on the screen and nothing scrolls. Is it possible to do this entirely via IB or must I manipulate the contentSize via code iphone interface builder uiscrollview share improve this question You forgot to set the contentSize property.. the contentSize via code iphone interface builder uiscrollview share improve this question You forgot to set the contentSize property of the UIScrollView. Strangely enough you can not do this from Interface Builder. You will have to do it from the..

Dynamically setting layout on UICollectionView causes inexplicable contentOffset change

http://stackoverflow.com/questions/13780138/dynamically-setting-layout-on-uicollectionview-causes-inexplicable-contentoffset

I ensure the height is the minimum height. Not a true solution but it's working fine now. I would try setting the contentSize of your collection view to be at least the length of it's containing view. edit Manicaesar added an easy workaround if you..

UIScrollView. Any thoughts on implementing “infinite” scroll/zoom?

http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom

time. I would like to mimic this behavior with a UIScrollView but there are two fundamental impediments 1 scrollView.contentSize is fixed at creation time. 2 zooming can blow any lazy loading scheme all to hell since it can cause infinte data explosion... a truly infinite UIScrollView there are some simple tricks you can use to emulate that behavior. Handling the fixed contentSize have some fixed size view handled by your scroll view and at launch or instantiation set the content offset so that you're..

UIScrollView not scrolling

http://stackoverflow.com/questions/2824435/uiscrollview-not-scrolling

contentView if the contentView is not already inside your scrollview in your xib StoryBoard doc myScrollView.contentSize contentView.frame.size sets ScrollView content size I have not found a way to set contentSize in IB as of Xcode 5.0 . share..

How can I programmatically force-stop scrolling in a UIScrollView?

http://stackoverflow.com/questions/3410777/how-can-i-programmatically-force-stop-scrolling-in-a-uiscrollview

I can get the scroll to stop if I give a rect that is definitely outside the currently visible bounds but inside the contentSize of the view. This seems to halt the view as expected... but also causes it to jump to some other location. I could probably..

How to detect touches in status bar

http://stackoverflow.com/questions/3753097/how-to-detect-touches-in-status-bar

like it... Add a scrollview somewhere in your view. Maybe hide it or place it below some other view etc. Set it's contentSize to be larger than the bounds Set a non zero contentOffset In your controller implement a delegate of the scrollview like..

Keep uitableview static when inserting rows at the top

http://stackoverflow.com/questions/4279730/keep-uitableview-static-when-inserting-rows-at-the-top

situation where all insertions happen at the top of table view @implementation MyTableView void setContentSize CGSize contentSize I don't want move the table view during its initial loading of content. if CGSizeEqualToSize self.contentSize CGSizeZero.. CGSize contentSize I don't want move the table view during its initial loading of content. if CGSizeEqualToSize self.contentSize CGSizeZero if contentSize.height self.contentSize.height CGPoint offset self.contentOffset offset.y contentSize.height.. want move the table view during its initial loading of content. if CGSizeEqualToSize self.contentSize CGSizeZero if contentSize.height self.contentSize.height CGPoint offset self.contentOffset offset.y contentSize.height self.contentSize.height self.contentOffset..

How do I size a UITextView to its content?

http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

easy way to do resizing of the UITextView to its correct height of the content. It can be done using the UITextView contentSize . CGRect frame _textView.frame frame.size.height _textView.contentSize.height _textView.frame frame One thing to note is.. content. It can be done using the UITextView contentSize . CGRect frame _textView.frame frame.size.height _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has.. frame.size.height _textView.contentSize.height _textView.frame frame One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview . Prior to that it is equal to frame.size..

How to lock the horizontal scrolling of a scrollView in iOS

http://stackoverflow.com/questions/5271521/how-to-lock-the-horizontal-scrolling-of-a-scrollview-in-ios

in Disabling vertical scrolling in UIScrollView right all answers here are ok... but if for some strange reason your contentSize should be higher than the UIScrollView in both dimensions you can disable the horizontal scrolling implementing the UIScrollView..

UIScrollView : paging horizontally, scrolling vertically?

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

contentOffset inside scrollViewDidScroll if you detect a diagonal movement. Another strategy to try is to reset contentSize to only enable scrolling in one direction once you decide which direction the user's finger is going. UIScrollView seems.. once you decide which direction the user's finger is going. UIScrollView seems pretty forgiving about fiddling with contentSize and contentOffset from its delegate methods. If that does not work either or results in sloppy visuals you have to override..

Moving a Stick figure, anchorpoints, animation, or something else…?

http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else

or label without modifying the anchorPoint you would have to set its position according to this formula screen width contentSize.width anchorPoint.x screen height 2 The formula is still pretty simple it becomes a chore however if the contentSize of.. contentSize.width anchorPoint.x screen height 2 The formula is still pretty simple it becomes a chore however if the contentSize of the node changes which is often the case for labels for example the score starts with 1 digit but increases to 2 3 and.. a node by modifying the anchorPoint is justified because it avoids having to recalculate the position every time the contentSize of the node changes. 3 There are rare cases where an artist provided me with an updated image of a game object. The image..

steps for creating UIScrollView with Interface Builder

http://stackoverflow.com/questions/9118796/steps-for-creating-uiscrollview-with-interface-builder

that is 320x700 as the dimensions in View Place all my buttons etc on this scroll view In the viewDidLoad set the contentSize to 320x700 Set the delegate of the UIScrollView to the File Owner and the view of the FileOwner to the UIScrollView Reset.. viewDidLoad do this void viewDidLoad super viewDidLoad self.view addSubview self.contentView UIScrollView self.view .contentSize self.contentView.frame.size In your view controller's viewDidUnload do this void viewDidUnload self.contentView nil super..

how to programatically set the current page for UIPageControl?

http://stackoverflow.com/questions/2508227/how-to-programatically-set-the-current-page-for-uipagecontrol

it . If the problem is that the scrollView is not working and not the pageControl. Then make sure that you have the contentsize of the scrollView set correctly. scrollView.contentSize CGSizeMake 320 numberOfPages scrollView.frame.size.height To this..

Calculate the contentsize of scrollview

http://stackoverflow.com/questions/3046449/calculate-the-contentsize-of-scrollview

the contentsize of scrollview I'm having a scrollview as the detailedview of tableview cell. There are multiple views on the detailedview..

UIScrollView Infinite Scrolling

http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling

is easy I have implemented scrollViewDidScroll and when the contentOffset gets near the end I make the scrollview contentsize bigger and add more data into the space i'll have to deal with the crippling effect this will have later My problem is scrolling.. problem is scrolling back the plan is to see when I get near the beginning of the scroll view then when I do make the contentsize bigger move the existing content along add the new data to the beginning and then importantly adjust the contentOffset so..

contentsize and contentOffset equivalent in NSScroll view

http://stackoverflow.com/questions/3457926/contentsize-and-contentoffset-equivalent-in-nsscroll-view

and contentOffset equivalent in NSScroll view I am porting an app from Ipad to mac. I know that it sounds weird I stuck.. view I am porting an app from Ipad to mac. I know that it sounds weird I stuck with NSScrollview. Please guide me contentsize contentOffset equivalent in NSScrollview. iphone nsview nsscrollview share improve this question UIScrollView uiScroll..

PDF Generation From UIScrollView + iphone

http://stackoverflow.com/questions/5268943/pdf-generation-from-uiscrollview-iphone

the examples available on net to create PDF from UIScrollView We should be clear about two things 1 number of pages 2 contentsize of scrollview i have created a scroll view of content size 10 910 . so it has 10 pages. . This is for iPad. here is the..

UIScrollView image/photo viewer with paging enabled and zooming

http://stackoverflow.com/questions/975708/uiscrollview-image-photo-viewer-with-paging-enabled-and-zooming

to remove all the other views when you start zooming and move the current view to 0 0 in the scrollview updating the contentsize etc. Then when you zoom back to 1.0f it adds the other views back and puts things all back in order. Anyway that project.. there is some nasty movement of the view you are resizing which looks like it's caused by the fact we are changing the contentsize offset etc. for the view being resized. You have to do this view moving otherwise you can pan left through the whitespace..