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2014/10/15 ¤U¤È 10:14:14
iphone Programming Glossary: sizedCore Data could not fullfil fault for object after obtainPermanantIDs http://stackoverflow.com/questions/11321717/core-data-could-not-fullfil-fault-for-object-after-obtainpermanantids Honestly all this is to get around the bugs that currently exist which are worth working around for small to medium sized updates. Your code will be the same sans the obtain when the bugs are fixed. So I suggest this method for smaller imports...
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region right hand point latitude 4 longitude 3 So you can specify zoom levels around a center point by using an appropriately sized MKCoordinateSpan. As an approximation of Google's numeric zoom levels you could reverse engineer the span sizes that Google..
iphone 5 simulator - Cannot click on bottom of screen? http://stackoverflow.com/questions/12678864/iphone-5-simulator-cannot-click-on-bottom-of-screen seen I have added the Default 568h@2x.png as specified and I have added some new background images to the app that are sized appropriately. The problem is that the bottom portion of my app does not seem to be responding to touch I have a page control.. iphone objective c ios iphone 5 share improve this question Figured it out. The main window was not getting resized although the view was. I deleted the window from my xib created a new one and re linked it. That solved the issue. share..
Paging UIScrollView in increments smaller than frame size http://stackoverflow.com/questions/1677085/paging-uiscrollview-in-increments-smaller-than-frame-size before in an app call AllRecipes. I just don't know how to do it. Any ideas about how to get paging on a per icon sized basis to work iphone uiscrollview share improve this question Try making your scrollview less than the size of the..
CGImage/UIImage lazily loading on UI thread causes stutter http://stackoverflow.com/questions/1815476/cgimage-uiimage-lazily-loading-on-ui-thread-causes-stutter with a call to CGBitmapContextCreate it's a little more involved you need to create a color space figure out the right sized buffer to create and allocate it yourself . The CG methods are fine to run from a different thread. I'm not sure how you're..
How do I detect Mobile Safari server side using PHP? http://stackoverflow.com/questions/186734/how-do-i-detect-mobile-safari-server-side-using-php I can detect Mobile Safari all versions preferably using PHP so then I can serve a a specific css file and b different sized image thumbnails. php iphone optimization mobile safari share improve this question Compare the user agent string with..
Manually drawing a gradient in iPhone apps? http://stackoverflow.com/questions/227005/manually-drawing-a-gradient-in-iphone-apps in iPhone apps If I have two UIColors what's the best way to draw an even gradient between them over an arbitrarily sized area I am guessing you would create a UIView subclass and use the CG drawing methods in the drawRect method. I just don't..
fastest way to draw a screen buffer on the iphone http://stackoverflow.com/questions/2395650/fastest-way-to-draw-a-screen-buffer-on-the-iphone to the screen I very much doubt that this is going to be the best way to do it. UPDATE I have tried the openGL screen sized texture method I got 17fps... I used a 512x512 texture because it needs to be a power of two just the call of glTexSubImage2D.. to the software backbuffer of the GUI system there is no re gigging or resizing of the buffer in anyway it is properly sized and formatted for the texture so I am fairly certain the slowdown has nothing to do with the software renderer which is..
How do I change the text size and component width of a UIPickerView? http://stackoverflow.com/questions/256556/how-do-i-change-the-text-size-and-component-width-of-a-uipickerview 22 NOT REACHED return 22 As for a custom text size you can use the delegate to return custom views with whatever sized text you want UIView pickerView UIPickerView pickerView viewForRow NSInteger row forComponent NSInteger component reusingView..
How to get UILabel (UITextView) auto adjusted font size? http://stackoverflow.com/questions/3669844/how-to-get-uilabel-uitextview-auto-adjusted-font-size glossGradient CGGradientCreateWithColorComponents rgbColorspace components locations num_locations gradient should be sized to actual font size. THIS IS THE PROBLEM EVEN IF FONT IS AUTO ADUJSTED I AM GETTING THE SAME ORIGINAL FONT SIZE CGFloat..
UIWebView and iPhone 4 retina display http://stackoverflow.com/questions/3724058/uiwebview-and-iphone-4-retina-display that text with the URL of the @2x image if we're on a retina display with the appropriate scale factor or the normal sized image if not using the above code . Hope this helps if nobody comes along with a better solution. share improve this answer..
Choosing the right IOS XML parser http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser the right IOS XML parser So There are a million different XML parsers for the iPhone. I have a medium sized XML file that contains alot of duplicate tags at different points in the hierarchy . I was thinking about TBXML but I was..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file meaning that I can't share the full code but I can give a general outline I created a .xib file with a view and sized the view to 850 x 1100 my PDF was targeting 8.5 x 11 inches so this makes it easy to translate to from design time coordinates..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone iPhone 2G and older If I bind a texture as a render buffer it has to be the size of the render buffer which isn't POT sized. But OpenGL ES 1.1 requires textures to be POT. Maybe it can't be done on ES 1.1 iphone opengl es render to texture share..
What is the maximum length of an NSString object? http://stackoverflow.com/questions/6482641/what-is-the-maximum-length-of-an-nsstring-object is the maximum length of an NSString object What is the maximum sized string that can be held in a NSString object Does this change dynamically iphone objective c xcode nsstring max share..
Most efficient way to draw part of an image in iOS http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios CGContextDrawImage context rect imageRef CGImageRelease imageRef Unfortunately this seems extremely slow with medium sized images and a high setNeedsDisplay frequency. Playing with UIImageView 's frame and clipToBounds produces better results..
http://stackoverflow.com/questions/8706828/application-windows-are-expected-to-have-a-root-view-controller-at-the-end-of-a rootViewController release aNavigationController release return YES EDIT I just have one root view controller that is sized for iPhone called RootViewController. But it should still load in shouldn't it Or if it shouldn't how do I create one for..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud the image data from the source file which almost always significantly inflates the data size for example a screen sized PNG file might consume a few dozen KBs when compressed but consumes over half a MB decompressed width height 4 . By contrast..
Overriding highlighted selection in UIPickerView http://stackoverflow.com/questions/958443/overriding-highlighted-selection-in-uipickerview share improve this question You need to make sure your custom view has the following properties It needs to be sized to the same dimensions that the UIPickerView expects based on your delegate methods pickerView rowHeightForComponent and..
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