2014/10/15 下午 10:11:11
iphone Programming Glossary: lotHow to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler. However if you have to support older iOS's then it really depends on your application. A majority..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the.. c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching and ugly code begins to formulate going What kind of data are we getting back If it contains..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie videoWriter endSessionAtSourceTime 因 videoWriter finishWriting You 耱l still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage..
How do I detect that an iOS app is running on a jailbroken phone? http://stackoverflow.com/questions/413242/how-do-i-detect-that-an-ios-app-is-running-on-a-jailbroken-phone
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing.. the app in background which will restart your background process With this PingPong I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views..
CSS “position: fixed;” into iPad/iPhone? http://stackoverflow.com/questions/4889601/css-position-fixed-into-ipad-iphone up on an iOS powered mobile Safari. iphone css ipad ios mobile share improve this question A lot of mobile browsers deliberately do not support position fixed on the grounds that fixed elements could..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown It's possible to build up an NSMethodInvocation to handle this as well but doing so requires a lot more typing and is also slower so there's little reason to do it. 1 All Objective C methods have two..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable I must know about iphone objective c cocoa cocoa touch share improve this question A lot of people use this for private variables to differentiate between private variables and public variables..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder should be possible so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController...
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud the UIImage imageNamed FUD I see a lot of people saying imageNamed is bad but equal numbers of people saying the performance is good especially.. of UIImages referenced by filename. It gets bigger and when memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond.. that this question dates from iOS 1.0 Image requirements and handling handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects the least intrusive and from my experience the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot be prevented and that cannot prevent..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler. However if you have to support older iOS's then it really depends on your application. A majority of applications that use a standard navigation bar and..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices resizing capabilities of iOS so your views can adjust and adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure to read the API changelog on Apple Developer website if you..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention ivar naming convention duplicate Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize.. How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable Why is this done What am I missing..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application was almost one year ago and since then Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown file type. This means the association doesn't..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections self The problem with asynchronous requests is when you have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching and ugly code begins to formulate going What kind of data are we getting back If it contains this do that else do other. It would be useful I think..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie sampleBuffer 4 Finish the session writerInput markAsFinished videoWriter endSessionAtSourceTime 因 videoWriter finishWriting You 耱l still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef newPixelBufferFromCGImage CGImageRef image..
How do I detect that an iOS app is running on a jailbroken phone? http://stackoverflow.com/questions/413242/how-do-i-detect-that-an-ios-app-is-running-on-a-jailbroken-phone
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events as to how this can be accomplished iphone background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you use one of the backgrounding features the.. your app as VoIP or one of the others the system restarts the app in background which will restart your background process With this PingPong I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated some time later. To make it appear..
CSS “position: fixed;” into iPad/iPhone? http://stackoverflow.com/questions/4889601/css-position-fixed-into-ipad-iphone elements do not get updated when the user pans down up on an iOS powered mobile Safari. iphone css ipad ios mobile share improve this question A lot of mobile browsers deliberately do not support position fixed on the grounds that fixed elements could get in the way on a small screen. The Quirksmode.org site..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown necessary and the above doesn't handle things properly . More It's possible to build up an NSMethodInvocation to handle this as well but doing so requires a lot more typing and is also slower so there's little reason to do it. 1 All Objective C methods have two hidden arguments self and _cmd that are implicitly added when..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable that underscore there Does it have a special meaning A Convention I must know about iphone objective c cocoa cocoa touch share improve this question A lot of people use this for private variables to differentiate between private variables and public variables within an object. It is a completely optional way of working...
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder Builder I'm trying to do something a bit elaborate but that should be possible so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController. This is an empty view controller that can..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud the UIImage imageNamed FUD I see a lot of people saying imageNamed is bad but equal numbers of people saying the performance is good especially when rendering UITableView s. See this SO question for.. My current basic understanding is that it's a simple NSMutableDictionary of UIImages referenced by filename. It gets bigger and when memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond to didReceiveMemoryWarning It seems unlikely that Apple would.. memory well. Use it and stop worrying. Edit Nov 2012 Note that this question dates from iOS 1.0 Image requirements and handling handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images you should certainly use ImageNamed..
How to intercept touches events on a MKMapView or UIWebView objects? http://stackoverflow.com/questions/1049889/how-to-intercept-touches-events-on-a-mkmapview-or-uiwebview-objects the best. The best way I have found to achieve this is with a Gesture Recognizer. Other ways turn out to involve a lot of hackish programming that imperfectly duplicates Apple's code. Here's what I do Implement a gesture recognizer that cannot..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size layout handling and instead uses constraints to lay things out. Nothing will be hard coded and your life will become a lot simpler. However if you have to support older iOS's then it really depends on your application. A majority of applications..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices can adjust and adapt any screen size. That's not very hard read some documentation about that. It will save you a lot of time. iOS 6 also offers new features about this but this is still under NDA at the moment. Be sure to read the API changelog..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are.. in a cocoa objective c class work I've noticed that in a lot of the reference materials out there I see that a lot of the time variables are named _variable in the .h file then are @synthesize'd in the .m file as @synthesize variable _variable..
Starting iPhone app development in Linux? http://stackoverflow.com/questions/276907/starting-iphone-app-development-in-linux
How do I associate file types with an iPhone application? http://stackoverflow.com/questions/2774343/how-do-i-associate-file-types-with-an-iphone-application Apple introduced 'Document Support' which goes a step further and allows apps to associate with file types. There is a lot of talk in the documentation about how to set up your app to launch other appropriate apps when it encounters an unknown..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections is when you have various requests going off and you have a delegate assigned to treat them all as one entity a lot of branching and ugly code begins to formulate going What kind of data are we getting back If it contains this do that else..
How do I export UIImage array as a movie? http://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie markAsFinished videoWriter endSessionAtSourceTime 因 videoWriter finishWriting You 耱l still have to fill in a lot of blanks but I think that the only really hard remaining part is getting a pixel buffer from a CGImage CVPixelBufferRef..
How do I detect that an iOS app is running on a jailbroken phone? http://stackoverflow.com/questions/413242/how-do-i-detect-that-an-ios-app-is-running-on-a-jailbroken-phone
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events iphone background location multitasking share improve this question I have seen this behavior too. After trying a lot I discovered two things which could help. But I am still uncertain how this may influence the reviewing process. If you.. the system restarts the app in background which will restart your background process With this PingPong I can do a lot of backgrounding. but remember be very spare with CPU time. And save all data to restore your views your app will be terminated..
CSS “position: fixed;” into iPad/iPhone? http://stackoverflow.com/questions/4889601/css-position-fixed-into-ipad-iphone the user pans down up on an iOS powered mobile Safari. iphone css ipad ios mobile share improve this question A lot of mobile browsers deliberately do not support position fixed on the grounds that fixed elements could get in the way on..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown things properly . More It's possible to build up an NSMethodInvocation to handle this as well but doing so requires a lot more typing and is also slower so there's little reason to do it. 1 All Objective C methods have two hidden arguments self..
When do you make an underscore in front of an instance variable? [duplicate] http://stackoverflow.com/questions/837559/when-do-you-make-an-underscore-in-front-of-an-instance-variable special meaning A Convention I must know about iphone objective c cocoa cocoa touch share improve this question A lot of people use this for private variables to differentiate between private variables and public variables within an object...
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder elaborate but that should be possible so here is a challenge for all you experts out there this forum is pack of the lot of you . Im creating a Questionnaire component I want to load on a NavigationContoller my QuestionManagerViewController...
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud the UIImage imageNamed FUD I see a lot of people saying imageNamed is bad but equal numbers of people saying the performance is good especially when rendering.. a simple NSMutableDictionary of UIImages referenced by filename. It gets bigger and when memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond to didReceiveMemoryWarning.. Edit Nov 2012 Note that this question dates from iOS 1.0 Image requirements and handling handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina..
Security When Using REST API in an iPhone Application http://stackoverflow.com/questions/15273705/security-when-using-rest-api-in-an-iphone-application and use it to spoof the source. Although not bullet proof it is bullet resistant because doing that would require A LOT of work and would be highly technical especially if you use anti RE techniques like buffer smearing mass red herrings etc...
UIDatePicker in UITextField in UITableView realtime update http://stackoverflow.com/questions/6208118/uidatepicker-in-uitextfield-in-uitableview-realtime-update in UITextField in UITableView realtime update This question has been bugging me a LOT lately. Any help would be appreciated. These were my objectives Setup a UIDatePickerView for a UItextField in a UITableViewCell...
Playing many different videos on iphone using AVPlayer http://stackoverflow.com/questions/6258573/playing-many-different-videos-on-iphone-using-avplayer I know what the problem is I have a core animation memory leak in the simulator it works because the computer has A LOT more memory than the iPad but since the iPad has very limited memory it stops working very quickly. If anyone has any advice..
http://stackoverflow.com/questions/7465713/how-to-detect-iap-crackers validate reactivate purchases for your legitimate users and block everyone else. I should add however that this is a LOT of work took us a couple of weeks of programmer time to get it operating smoothly though there's open source code floating.. the amount of time you'll spend implementing and maintaining a thoroughly un fun batch of code you'd need to get a LOT of extra sales from people who were after all so disinclined to pay for your product that they were willing to massively..
iOS Stream Audio from one iOS Device to Another http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another for receiving data void match GKMatch match didReceiveData NSData data fromPlayer NSString playerID I'm having a LOT of trouble figuring out how to send this AVAsset via GameCenter and then have it play on the receiving device. I've read..
Does storyboard eliminate the need for .nib http://stackoverflow.com/questions/8495179/does-storyboard-eliminate-the-need-for-nib
iPhone / .NET WCF Interoperability http://stackoverflow.com/questions/891090/iphone-net-wcf-interoperability
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