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2014/10/15 ¤U¤È 10:14:13
iphone Programming Glossary: simplestHow would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone like a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for details sortedArray anArray sortedArrayUsingSelector..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller to get a base64 encoder into your project. There are several out there mostly C though but the simplest ObjC one I found was called NSData Base64 by Matt Gallagher I took the out of the name after copying..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it.. but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is.. the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options...
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points iphone cocoa touch share improve this question A more elegant solution happens to also be the simplest. You don't need a decimal separator key Why Because you can simply infer it from the user's input. For..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically uikit uiviewcontroller uitabbarcontroller share improve this question You can begin from the simplest removeFromSuperview insertSubview and add code to it little by little. SwitchViewController.h #import..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone set up properly so I could test Ramin's code and it works like a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSetFillColor context..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically with UIFont familyNames into alphabetical order iphone objective c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for details sortedArray anArray sortedArrayUsingSelector @selector localizedCaseInsensitiveCompare share improve..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller stripped out. In order to get an image into your email you need to get a base64 encoder into your project. There are several out there mostly C though but the simplest ObjC one I found was called NSData Base64 by Matt Gallagher I took the out of the name after copying it in because it gave me problems . Copy the .h and .m files..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it to 290 390 pixels. I was using this method to resize the image.. CGSizeMake 290 390 interpolationQuality 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode.. so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this utility method if you actually need to resize..
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points entered without having to regex the final result Thanks iphone cocoa touch share improve this question A more elegant solution happens to also be the simplest. You don't need a decimal separator key Why Because you can simply infer it from the user's input. For instance in the US locale when you what to enter in 1.23..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically and I have to figure out how to replicate that right iphone uikit uiviewcontroller uitabbarcontroller share improve this question You can begin from the simplest removeFromSuperview insertSubview and add code to it little by little. SwitchViewController.h #import @class BlueViewController @class YellowViewController @interface..
How do I use a UISegmentedControl to switch views? http://stackoverflow.com/questions/1047114/how-do-i-use-a-uisegmentedcontrol-to-switch-views between 'Top Paid' and 'Top Free'. iphone cocoa touch uiview uisegmentedcontrol share improve this question The simplest approach is to have two views that you can toggle their visibility to indicate which view has been selected. Here is some..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone code and it works like a charm Final final update For those of you just learning about Core Graphics here is the simplest thing that could possibly work. In your subclassed UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext..
How to sort a NSArray alphabetically? http://stackoverflow.com/questions/1351182/how-to-sort-a-nsarray-alphabetically order iphone objective c sorting nsarray share improve this question Take a look here Apple Documentation The simplest approach is to provide a sort selector see the link for details sortedArray anArray sortedArrayUsingSelector @selector localizedCaseInsensitiveCompare..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller your email you need to get a base64 encoder into your project. There are several out there mostly C though but the simplest ObjC one I found was called NSData Base64 by Matt Gallagher I took the out of the name after copying it in because it gave..
How can I create a UIColor from a hex string? http://stackoverflow.com/questions/1560081/how-can-i-create-a-uicolor-from-a-hex-string from a hexadecimal string format such as #00FF00 iphone hex uicolor share improve this question I've found the simplest way to do this is with a macro. Just include it in your header and it's available throughout your project. #define UIColorFromRGB..
How to implement pedometer in iphone? http://stackoverflow.com/questions/1984003/how-to-implement-pedometer-in-iphone the iPhone does not permit 3rd party background tasks your app will have to be open to collect pedometer data. The simplest way to do this would be to setup an Accelerometer listener and watch for 'step events'. You'd have to do some experimentation..
iPhone SDK: How do you download video files to the Document Directory and then play them? http://stackoverflow.com/questions/2572529/iphone-sdk-how-do-you-download-video-files-to-the-document-directory-and-then-p iphone nsurlconnection downloading share improve this question Your code will work to play a movie file. The simplest way to download is synchronously NSData data NSData dataWithContentsOfURL movieUrl data writeToURL movieUrl atomically YES..
The simplest way to resize an UIImage? http://stackoverflow.com/questions/2658738/the-simplest-way-to-resize-an-uiimage simplest way to resize an UIImage In my iPhone app I take a picture with the camera then I want to resize it to 290 390 pixels... 1 It works perfectly but it's an undocumented function so I can't use it anymore with iPhone OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of.. OS4. So... what is the simplest way to resize an UIImage iphone resize uiimage share improve this question The simplest way is to set the frame of your UIImageView and set the contentMode to one of the resizing options. Or you can use this..
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points final result Thanks iphone cocoa touch share improve this question A more elegant solution happens to also be the simplest. You don't need a decimal separator key Why Because you can simply infer it from the user's input. For instance in the US..
Turn off iPhone/Safari input element rounding http://stackoverflow.com/questions/2918707/turn-off-iphone-safari-input-element-rounding fields and render them rectangular as intended iphone html css css3 mobile safari share improve this question The simplest way would be to set webkit appearance to none input webkit appearance none As pointed out by others this no longer removes..
What's the best approach for parsing XML/'screen scraping' in iOS? UIWebview or NSXMLParser? http://stackoverflow.com/questions/3541615/whats-the-best-approach-for-parsing-xml-screen-scraping-in-ios-uiwebview-or Soup module. Unfortunately I do not know of such modules for Objective C. Loading stuff into a UIWebView might be the simplest way to go here. Note that you do not have to put the UIWebView on screen. You can create a separate UIWindow and add the..
Keep uitableview static when inserting rows at the top http://stackoverflow.com/questions/4279730/keep-uitableview-static-when-inserting-rows-at-the-top by some means calculate how much the table view is pushed down and offset that by setting contentOffset . This is a simplest sample code to handle the simplest situation where all insertions happen at the top of table view @implementation MyTableView.. the table view is pushed down and offset that by setting contentOffset . This is a simplest sample code to handle the simplest situation where all insertions happen at the top of table view @implementation MyTableView void setContentSize CGSize contentSize..
how can I use animation in cocos2d? http://stackoverflow.com/questions/486609/how-can-i-use-animation-in-cocos2d in cocos2d or even what that is but you can do this using Core Animation either with CALayers or UIViews. Probably the simplest way would be to create a UIImageView containing an image of your roulette wheel and animate that. To accomplish this first..
Comparing float and double data types in objective C http://stackoverflow.com/questions/5024913/comparing-float-and-double-data-types-in-objective-c because the values are exactly equal. Floating point is complicated but it is entirely deterministic one of the simplest things you can do to make it more intuitive is to not mix precisions. If you're working with float make sure all of your..
Are the Core Image filters in iOS 5.0 fast enough for realtime video processing? http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing of 9.4 FPS for a simple gamma filter on iPhone 4 but well over 60 FPS for the same on an iPhone 4S. This is about the simplest Core Image filter case you can set up so performance will certainly vary with more complex operations. This would seem to..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically that right iphone uikit uiviewcontroller uitabbarcontroller share improve this question You can begin from the simplest removeFromSuperview insertSubview and add code to it little by little. SwitchViewController.h #import @class BlueViewController..
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