Home 

2014/10/15 下午 10:12:20

iphone Programming Glossary: offsets

Nil NSDate when trying to get date from UTC string in zulu time

http://stackoverflow.com/questions/1263455/nil-nsdate-when-trying-to-get-date-from-utc-string-in-zulu-time

I'm not sure if it's a API bug within Apple's code or my lack of understanding but I've worked around it by using hour offsets in my date strings. If you change the code in your example to NSDateFormatter df NSDateFormatter alloc init df setDateFormat..

IPhone - UIView addSubview Gap at top

http://stackoverflow.com/questions/1358288/iphone-uiview-addsubview-gap-at-top

The frame property defines the offset of the view within its superview so the UITabBarController implementation offsets its view's frame by 20 pixels by default to leave room for the status bar. You're using UITabBarController in a nonstandard.. nonstandard way by adding it to a view that's already been offset by 20 pixels for the status bar. UITabBarController offsets its view by an additional 20 pixels relative to its superview causing the gap you see. One clean way to fix this is add..

Status bar appear over my view's bounds in iOS 7 [duplicate]

http://stackoverflow.com/questions/18375898/status-bar-appear-over-my-views-bounds-in-ios-7

Between Views . If both versions of a standard app should have a similar layout and you 胩e not using Auto Layout use offsets. To use offsets first update the UI for iOS 7. Next specify values that define the origin height and width of each element.. . If both versions of a standard app should have a similar layout and you 胩e not using Auto Layout use offsets. To use offsets first update the UI for iOS 7. Next specify values that define the origin height and width of each element in the earlier.. the UI for iOS 7. Next specify values that define the origin height and width of each element in the earlier UI as offsets from the element 䏭 new position in the iOS 7 UI. But when I use autolayout in .xib it shows an error that autolayout is..

How to implement UIScrollView with 1000+ subviews?

http://stackoverflow.com/questions/2079225/how-to-implement-uiscrollview-with-1000-subviews

out whether UIScrollView can dynamically update contents. For example at the start there are 3 frames at different x offsets 0 320 640 from the screen as understood by UIScrollView. Once user moves to 3rd page how do I make sure I am able to add..

performSelector:withObject:afterDelay: not working from scrollViewDidZoom

http://stackoverflow.com/questions/2865760/performselectorwithobjectafterdelay-not-working-from-scrollviewdidzoom

a pinch. If they hold that pinch for a short period of time then the scrollview records the zoom level and content offsets. So I thought I'd start a performSelector withObject withDelay on the scrollViewDidZoom delegate method. If it expires then..

apply style to range of text with javascript in uiwebview

http://stackoverflow.com/questions/2887101/apply-style-to-range-of-text-with-javascript-in-uiwebview

not know if it is a reasonable approach. I wrote some routines to translate between text ranges and node ranges with offsets. So if I start with text range 100 200 and that starts in one paragraph and ends in a third I can get the text nodes and.. I start with text range 100 200 and that starts in one paragraph and ends in a third I can get the text nodes and the offsets within the nodes that represent the given text range. I just need a way to split a text node at an offset in the text. Currently..

MKMapView ignores update of centerOffset in iOS 4

http://stackoverflow.com/questions/3136505/mkmapview-ignores-update-of-centeroffset-in-ios-4

130 is the difference in height between the views center point is at the bottom and 56 is the difference between the X offsets of their centers. Remember you still need to change the center offset because it'll be taken into account when zooming...

Rendering a UIWebView into an ImageContext

http://stackoverflow.com/questions/469764/rendering-a-uiwebview-into-an-imagecontext

we can capture every small pieces individually and save them into our Cache. I implemented this by calculating page offsets and use UIGraphicsBeginImageContext webView.frame.size to get a array of images. In addition you should cache the image..

Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES

http://stackoverflow.com/questions/6980402/blur-effect-wet-in-wet-effect-in-paint-application-using-opengl-es

Gaussian blur. This would be similar to jitter antialiasing with an accumulation buffer but instead of using subpixel offsets you would use multi pixel offsets as big as you want the blur effect. You'd would want to probably render around 16 times.. to jitter antialiasing with an accumulation buffer but instead of using subpixel offsets you would use multi pixel offsets as big as you want the blur effect. You'd would want to probably render around 16 times to make it look smooth. http www.opengl.org.. render each pass with alpha that adds up to solid. One thing to remember you want to always jitter across the same offsets so that successive frames look the same i.e. if you are using random offsets then every frame will have slightly different..

Photos app-like gap between pages in UIScrollView with pagingEnabled

http://stackoverflow.com/questions/849383/photos-app-like-gap-between-pages-in-uiscrollview-with-pagingenabled

offset to the left of its boundaries. Or maybe instead of moving things continuously I'll be better off shifting the offsets say exactly halfway between pages. I'm the author of the ScrollingMadness article example that I've been referring some..