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2014/10/15 ¤U¤È 10:11:23
iphone Programming Glossary: midUILocalNotification - Fire and Repeat at particular time each day http://stackoverflow.com/questions/10375128/uilocalnotification-fire-and-repeat-at-particular-time-each-day Repeat at particular time each day I have this piece of code which I use for firing a local notification each day at mid night Get todays midnight NSDate alertTime NSDate date NSCalendar calendar NSCalendar autoupdatingCurrentCalendar NSUInteger.. time each day I have this piece of code which I use for firing a local notification each day at mid night Get todays midnight NSDate alertTime NSDate date NSCalendar calendar NSCalendar autoupdatingCurrentCalendar NSUInteger preservedComponents..
OpenGL ES 2.0 texture distortion on large geometry GL_REPEAT http://stackoverflow.com/questions/11370074/opengl-es-2-0-texture-distortion-on-large-geometry-gl-repeat this question This is the usual texture atlas problem. There is no setting to limit the linear interpolation in mid texture. That's how the hardware works. You can work around the issue by using nearest filter texture lookup in a fragment..
How can I change the saturation of an UIImage? http://stackoverflow.com/questions/1144768/how-can-i-change-the-saturation-of-an-uiimage @ someImage.png dv.frame CGRectMake 0 0 dv.image.size.width dv.image.size.height dv.center CGPointMake 160 240 put it mid screen dv.desaturation 0.2 desaturate by 20 self.view addSubview dv put it on screen Change the saturation like this dv.saturation..
How to find whether two objects intersect each other? http://stackoverflow.com/questions/11642947/how-to-find-whether-two-objects-intersect-each-other this question This is what I would normally use to test for intersections. However I'm not sure if it would work mid animation. if CGRectIntersectsRect bbl1Obj.frame bbl2Obj.frame They are intersecting It that didn't work for testing for..
Draw Graph curves with UIBezierPath http://stackoverflow.com/questions/13719143/draw-graph-curves-with-uibezierpath to follow them. If you do the following... OK say you have 5 points. p1 p2 p3 p4 and p5. You need to work out the midpoint between each pair of points. m1 midpoint of p1 and p2 and so on ... So you have m1 m2 m3 and m4. Now you can use the.. OK say you have 5 points. p1 p2 p3 p4 and p5. You need to work out the midpoint between each pair of points. m1 midpoint of p1 and p2 and so on ... So you have m1 m2 m3 and m4. Now you can use the mid points as the end points of the sections.. between each pair of points. m1 midpoint of p1 and p2 and so on ... So you have m1 m2 m3 and m4. Now you can use the mid points as the end points of the sections of the curve and the points as the control points for a quad curve... So... Move..
iPhone In-App Purchase Store Kit error -1003 “Cannot connect to iTunes Store” http://stackoverflow.com/questions/1717700/iphone-in-app-purchase-store-kit-error-1003-cannot-connect-to-itunes-store test in app purchases using Store Kit yay . During testing I exercised my app in a way which caused the app to crash mid purchase so I guess the normal cycle of receiving paymentQueue updatedTransactions and calling finishTransaction was interrupted..
http://stackoverflow.com/questions/2080644/is-it-possible-in-principle-for-an-android-device-to-interface-with-an-iphone to interface with an iPhone over Bluetooth GameKit I am not interested in pure theory but as a practical near or mid term possibility say within 12 24 months. As a developer familiar with but not specializing in two major smartphone platforms..
Network Time Protocol for iPhone http://stackoverflow.com/questions/2269532/network-time-protocol-for-iphone iOS library named ios ntp . I have used it in one project in the past and it seemed to work reasonably well. As of mid 2013 the original ios ntp project has a few missing pieces so I have mirrored the original svn repository to github. You..
OpenGL ES 1.1 or 2.0 on iPhone http://stackoverflow.com/questions/2274017/opengl-es-1-1-or-2-0-on-iphone to offer OpenGL ES 2.0 support was the PowerVR SGX535 which was introduced in the third generation of iOS devices in mid 2009. The first two generations of the iPhone and iPod touch contain the PowerVR MBX GPU which supports only OpenGL ES 1.1...
How to make a simple EQ AudioUnit (bass, mid, treble) with iOS? http://stackoverflow.com/questions/4029079/how-to-make-a-simple-eq-audiounit-bass-mid-treble-with-ios to make a simple EQ AudioUnit bass mid treble with iOS does anyone know how to make a simple EQ audio unit 3 bands low mid hi with iOS I know how to add an iPod.. make a simple EQ AudioUnit bass mid treble with iOS does anyone know how to make a simple EQ audio unit 3 bands low mid hi with iOS I know how to add an iPod EQ Audio Unit to my AU Graph. But it only give you access to presets and I need proper..
Drawing app on iPad using OpenGL http://stackoverflow.com/questions/4606680/drawing-app-on-ipad-using-opengl CGPoint drawBezier CGPoint origin CGPoint control CGPoint destination int segments CGPoint vertices segments 2 CGPoint midPoint glDisable GL_TEXTURE_2D float x y float t 0.0 for int i 0 i segments 2 i x pow 1 t 2 origin.x 2.0 1 t t control.x t.. t t destination.y vertices i CGPointMake x y t 1.0 segments windowHeight is the height of you drawing canvas. midPoint CGPointMake x windowHeight y glVertexPointer 2 GL_FLOAT 0 vertices glDrawArrays GL_POINTS 0 segments 2 return midPoint.. midPoint CGPointMake x windowHeight y glVertexPointer 2 GL_FLOAT 0 vertices glDrawArrays GL_POINTS 0 segments 2 return midPoint That will draw based on three points. The control is the midpoint which you need to return. The new midpoint will be..
What are all the custom URL schemes supported by the Facebook iPhone app? http://stackoverflow.com/questions/5707722/what-are-all-the-custom-url-schemes-supported-by-the-facebook-iphone-app fb messaging compose fb messaging compose fbid fb messaging compose initWithUID fb messaging original_message mid commentId fb messaging original_message mid initWithMessageId fb nearby fb note @ fb note initWithNoteId fb note initWithNoteId.. fbid fb messaging compose initWithUID fb messaging original_message mid commentId fb messaging original_message mid initWithMessageId fb nearby fb note @ fb note initWithNoteId fb note initWithNoteId edit fb note noteId fb note noteId edit..
How do I prevent Core Animation blocking my main thread? http://stackoverflow.com/questions/595922/how-do-i-prevent-core-animation-blocking-my-main-thread to be altered in response to user input only do that when you get the actual input. Changing a property of a CALayer mid animation will cause it to smoothly move from the middle of its current motion path to its new destination. If you work.. when you get the actual input. Changing a property of a CALayer mid animation will cause it to smoothly move from the middle of its current motion path to its new destination. If you work with Core Animation in this fashion you can simultaneously..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature setLocale en_US_POSIX return me @end Bounty I'll award the bounty to the best legitimate suggestion critique I see by mid day Tuesday. See below deadline extended. Update Re OMZ's proposal here is what I'm finding Here is the category version..
How to draw a triangle programmatically http://stackoverflow.com/questions/6697614/how-to-draw-a-triangle-programmatically ctx CGRectGetMinX rect CGRectGetMinY rect top left CGContextAddLineToPoint ctx CGRectGetMaxX rect CGRectGetMidY rect mid right CGContextAddLineToPoint ctx CGRectGetMinX rect CGRectGetMaxY rect bottom left CGContextClosePath ctx CGContextSetRGBFillColor..
How can I locally detect iPhone clock advancement by a user between app runs? http://stackoverflow.com/questions/7122216/how-can-i-locally-detect-iphone-clock-advancement-by-a-user-between-app-runs time zone changes Calculating number of seconds between two points in time in Cocoa even when system clock has changed mid way CACurrentMediaTime uses mach_absolute_time http developer.apple.com library mac #documentation Cocoa Reference CoreAnimation_functions..
How to know whether app is terminated by user or iOS (after 10min background) http://stackoverflow.com/questions/7343404/how-to-know-whether-app-is-terminated-by-user-or-ios-after-10min-background the button double click and then hits the red ' ' it's a SIGKILL and applicationWillTerminate is not called. A report mid 2013 suggests this has changed and applicationWillTerminate now is called. You could use NSUserDefaults to write some state..
Image Manipulation Filter like white Balance, Exposure, split Tone etc on IOS http://stackoverflow.com/questions/7920015/image-manipulation-filter-like-white-balance-exposure-split-tone-etc-on-ios category on UIImage and mimics Photoshop filters so calling it is as straightforward as self.imageView.image levels 0 mid 128 white 255 Moreover it's compatible with iOS 3 4 not just iOS 5. It's open source and has no dependencies so it should..
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