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2014/10/15 ¤U¤È 10:05:55
iphone Programming Glossary: darkiPhone SDK - Frosted Glass (iOS 7 Blur) Effect http://stackoverflow.com/questions/11601166/iphone-sdk-frosted-glass-ios-7-blur-effect as download somewhere . With this category you can apply the blur in a static UIImage using several methods light dark with a specific color etc. . Also yesterday I saw this component and found it pretty interesting as you can apply the effect..
http://stackoverflow.com/questions/13248680/ocr-using-opencv
Check if UIColor is dark or bright? http://stackoverflow.com/questions/2509443/check-if-uicolor-is-dark-or-bright if UIColor is dark or bright I need to determine whether a selected UIColor picked by the user is dark or bright so I can change the color.. if UIColor is dark or bright I need to determine whether a selected UIColor picked by the user is dark or bright so I can change the color of a line of text that sits on top of that color for better readability. Here's an example.. componentColors 0 299 componentColors 1 587 componentColors 2 114 1000 if colorBrightness 0.5 NSLog @ my color is dark else NSLog @ my color is light Thanks once again iphone xcode colors share improve this question W3C has the following..
How does - (CGRect)convertRect:(CGRect)rect toView:(UIView *)view work http://stackoverflow.com/questions/3382316/how-does-cgrectconvertrectcgrectrect-toviewuiview-view-work on and off but never really understood how they behaved. Every time I try to use them I find myself poking in the dark as I try different aspect and it never seem to do what I expect it to. For the sake of argument I'm trying to convert the..
How to display temporary popup message on iPhone/iPad/iOS http://stackoverflow.com/questions/3737911/how-to-display-temporary-popup-message-on-iphone-ipad-ios about some background activity. Is there a standard control to do this I've seen apps do this. A rounded rectangle dark and partially transparent with text inside. It does not ask for user input but disappears on its own in some short period..
OpenGL ES (IPhone) alpha blending looks weird http://stackoverflow.com/questions/4012035/opengl-es-iphone-alpha-blending-looks-weird by a gradient and a sand image with feathered edges. Is this the expected behaviour Is there any way I can avoid the dark borders Thanks. EDIT I'm uploading the portion of the png containing the sand. The complete png is 512x512 and has other..
Action sheet doesn't display when the MFMailComposeViewController's cancel button is tapped http://stackoverflow.com/questions/4274895/action-sheet-doesnt-display-when-the-mfmailcomposeviewcontrollers-cancel-butto case. Whereas when I tap the cancel button it hangs up the app. The log shows no errors either just the screen goes dark and everything gets disabled. Apparently the result is not being passed to the delegate I checked it through logs . it appears.. or UIActionSheet showFromToolbar instead of UIActionSheet showInView . That's why you see your view getting darker but no UIActionSheet appears. In my case the problem was that my app is universal but for some reason there was only one..
What do the colors and percentages mean in the Leaks Instrument? http://stackoverflow.com/questions/4283296/what-do-the-colors-and-percentages-mean-in-the-leaks-instrument questions about the source view What does the color of a marked line mean Some lines are light violet some lines are dark violet. What are the percentage values in a line with memory leak What does 10 80 100 mean iphone ios xcode instruments..
Mobile developer interview questions, that a non-mobile developer can ask [closed] http://stackoverflow.com/questions/4391495/mobile-developer-interview-questions-that-a-non-mobile-developer-can-ask tell you about it until you are one of us. If their face lights up when you mention MVC you're all set. If they get dark and uncomfortable looking move on... David and Brad point out that perhaps unlike other programming fields iPhone and Mac..
Determining Image Luminance/Brightness http://stackoverflow.com/questions/4876315/determining-image-luminance-brightness red green and blue channels respectively. EDIT Note that it is possible that your camera will compensate for bright dark scenes by modifying its aperture. This is camera dependent but I think most cameras do this otherwise your pictures can.. case useless. Human eyes actually do the same thing . The downside is that's it's hard to tell whether you are in a dark or light environment just by looking at an image. In that case you may have to go beyond the image and query the camera...
Text Color to Match Default UIButton Color [Blue] http://stackoverflow.com/questions/5374341/text-color-to-match-default-uibutton-color-blue Color to Match Default UIButton Color Blue The default UIButton round rectangle is that dark blue. I want my cell's text in a table to match this blue color. I am using this code but the only blue I can find is a..
Using [UIColor colorWithRed: green: blue: alpha:] does't work with UITableView seperatorColor? http://stackoverflow.com/questions/5641523/using-uicolor-colorwithred-green-blue-alpha-doest-work-with-uitableview-s UIColor colorWithRed green blue alpha does't work with UITableView seperatorColor I'm trying to configure a dark gray seperator color. Why does the following do nothing self.tableView.seperatorStyle UITableViewCellSeperatorStyleSingleLine..
Write Audio To Disk From IO Unit http://stackoverflow.com/questions/6930609/write-audio-to-disk-from-io-unit ExtAudioFileSeek recordingfileref 0 isrecording YES documentsDirectory release edit 1 I'm really stabbing in the dark here now but do I need to use an audio convertor or does kExtAudioFileProperty_ClientDataFormat take care of that edit 2..
how to display UIActivityIndicatorView BEFORE rotation begins http://stackoverflow.com/questions/7041261/how-to-display-uiactivityindicatorview-before-rotation-begins by having the willAnimateRotation... method put a non functioning interface on screen such as a view displaying a dark overlay over and the UIActivityIndicatorView . Then when the heavy lifting is done this overlay is removed and the interface..
Why is there an frame rectangle and an bounds rectangle in an UIView? http://stackoverflow.com/questions/749558/why-is-there-an-frame-rectangle-and-an-bounds-rectangle-in-an-uiview is there an frame rectangle and an bounds rectangle in an UIView Well although it's late in the dark night I don't get it why there are two different rectangles frame and bounds. Like I understand it one single rectangle..
UITextView and UIPickerView with its own UIToolbar http://stackoverflow.com/questions/885002/uitextview-and-uipickerview-with-its-own-uitoolbar UIColor blackColor bgView.alpha 0.6 backgroundView bgView theView addSubview bgView this adds in the dark background theView addSubview self.view this adds in the pickerView with toolbar. UIView beginAnimations nil context nil..
How to change keyboard background color in iOS? http://stackoverflow.com/questions/9728847/how-to-change-keyboard-background-color-in-ios have already seen black background behind letters . iphone ios iphone keypad share improve this question For the dark background use mytextfield.keyboardAppearance UIKeyboardAppearanceAlert Read to find more information about UITextInputTraits..
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