2014/10/15 下午 10:12:33
iphone Programming Glossary: personallyUse autorelease before adding objects to a collection? http://stackoverflow.com/questions/1147785/use-autorelease-before-adding-objects-to-a-collection management autorelease share improve this question Both are correct and will work as you're expecting them to. I personally prefer to use the latter method but only because I like to be explicit about when objects get released. By autoreleasing..
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 versions as it happened when we got the Retina . And will we have to design two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw something like many answers say...
iPhone - dealloc - Release vs. nil http://stackoverflow.com/questions/1458178/iphone-dealloc-release-vs-nil What is the difference and is one better then the other What is the best way When doing retainCount testing I have personally seen nil drop a count from 3 to 0 for me but release only drops it from 3 to 2. iphone memory memory management release..
Is there a documented way to set the iPhone orientation? http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation It is not clear if Apple's static analysis will understand that you are working around the older SDK limitations. I personally have been told by Apple to remove the method call on my next update so I am not yet sure if having a hack for older devices..
http://stackoverflow.com/questions/1980573/iwebkit-vs-jqtouch-vs-iui
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation the distant end when the images embedded in your E Mail is displayed. Everything I 脎e discussed in the answer I have personally single stepped and watched it happen. So here my final code that works gImag PIMG info valueForKey UIImagePickerControllerOriginalImage..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone received. iphone objective c json core data share improve this question First pick a JSON library to use I personally like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert..
decompile an app binary to get back to source code http://stackoverflow.com/questions/2661722/decompile-an-app-binary-to-get-back-to-source-code
What type of webservice works best with iOS? http://stackoverflow.com/questions/3152700/what-type-of-webservice-works-best-with-ios support in memory DOM implementations with different features and speed levels. Pick the one best for your needs. I personally prefer TBXML which is fast fairly lightweight and easy to program to but because it does not validate schemas and it is..
http://stackoverflow.com/questions/37464/iphone-app-minus-app-store testing on iPhone 2.0 article Jailbroken iPhone For jailbroken iPhones you can use the following method which I have personally tested using the AccelerometerGraph sample app on iPhone OS 3.0. Create Self Signed Certificate First you'll need to create..
iPhone App Development Tutorials (beginner) [closed] http://stackoverflow.com/questions/4765451/iphone-app-development-tutorials-beginner good docs and tutorials. Xcode Because it's the official one. There's also AppCode and RubyMotion not an IDE . I personally really enjoy developing for iOS. Reading and writing a lot of code is the best way to learn. Pick some project and just..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader of the averaging and render methods see the end of this message for the alternate version comparison outputs. I personally prefer the original linear version but have decided to post it in case someone can improve on the algorithm used. You'll..
http://stackoverflow.com/questions/6237156/app-store-review-button us a review in the app store in an iOS app I cant find any iphone ios app store share improve this question I personally used this one. I think it works really well. http arashpayan.com blog 2009 09 07 presenting appirater share improve this..
iPhone: Can a dev other than team agent build an app for distribution http://stackoverflow.com/questions/629057/iphone-can-a-dev-other-than-team-agent-build-an-app-for-distribution ios distribution share improve this question NOTE This process is heavily simplified in XCode 4 although not personally tested by me with importing and exporting of developer profiles through the Organizer window Developer Profile section ...
Best Cocoa/Objective-C Wrapper Library for SQLite on iPhone [closed] http://stackoverflow.com/questions/640885/best-cocoa-objective-c-wrapper-library-for-sqlite-on-iphone
http://stackoverflow.com/questions/6604356/ios-icon-jiggle-algorithm close to it Thanks iphone ios ipad uiview core animation share improve this question @Vic320's answer is good but personally I don't like the translation. I've edited his code to provide a solution that I personally feel looks more like the springboard.. answer is good but personally I don't like the translation. I've edited his code to provide a solution that I personally feel looks more like the springboard wobble effect. Mostly it's achieved by adding a little randomness and focusing on rotation..
UIScrollView : paging horizontally, scrolling vertically? http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically nested UIScrollViews. Frankly I'm yet to see a person who has got this to work. However I have not tried hard enough personally and my practise shows that when you do try hard enough you can make UIScrollView do anything you want . So the strategy..
Detecting Color of iPhone/iPad/iPod touch? http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch White devices. iphone objective c ios share improve this question The answer to the question is NO as of now and personally I don't think it's worth much because what if the end user uses a skin or an additional casing for his iPhone I'd suggest..
can Jailbroken iphone used for development http://stackoverflow.com/questions/995262/can-jailbroken-iphone-used-for-development can not be used for development Regards Manish iphone iphone sdk 3.0 jailbreak share improve this question I personally do development testing on jailbroken devices I find that it is nice for profiling debugging with all the UNIX tools available..
http://stackoverflow.com/questions/10181349/how-to-insert-uiimageview-in-uitextview-in-the-same-way-that-iphone-default-mess subviews as needed. Both 2 3 are very similar just slightly different approaches and probably your best approach. Personally I think 3 is probably the best since it give you the most control over the position of both views but 2 should also work..
Pros and cons of using storyboards http://stackoverflow.com/questions/10872090/pros-and-cons-of-using-storyboards of xib files in iOS programming iphone sdk development I think these links are helpful and related to your question. Personally I believe storyboards are better then nibs because they eliminate the need to code your transitions between views unless..
iPod touch for iPhone development http://stackoverflow.com/questions/134048/ipod-touch-for-iphone-development than that they are pretty much identical no sarcasm here it still has the same processor OS control system and display Personally I would get an iPhone as you will probably end up getting one later on anyway. I have an iPod touch bought first and an..
J2ME VS Android VS iPhone VS Symbian VS Windows CE [closed] http://stackoverflow.com/questions/1414288/j2me-vs-android-vs-iphone-vs-symbian-vs-windows-ce one should I choose and why if there is any VM technology to test the programs is there any IDE debugging facilities Personally I would like to code for open source but any suggestions are welcome. I have preliminary knowledge on Java. I would also..
HowTo initialise MKMapView with a given user location? http://stackoverflow.com/questions/1437568/howto-initialise-mkmapview-with-a-given-user-location the real one kicks in or just use a separate marker for the current location and maintain its position yourself . Personally I'd go with the blue marble that the user is familiar with. To make it so it shows right at startup you will need to create..
SQL Query for Performing Radius Search based on Latitude Longitude http://stackoverflow.com/questions/1727137/sql-query-for-performing-radius-search-based-on-latitude-longitude examine every restaurant in the database and perform the great circle maths on every row every time you make a query. Personally I would calculate the TopLeft and BottomRight co ordinates of a square which only needs to be crudly calculated using pythagoras..
Detecting the type of iPhone interrupt http://stackoverflow.com/questions/1895815/detecting-the-type-of-iphone-interrupt
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone
iPhone Core Data “Production” Error Handling http://stackoverflow.com/questions/2262704/iphone-core-data-production-error-handling No one is going to show you production code because it depends 100 on your application and where the error occurs. Personally I put an assert statement in there because 99.9 of the time this error is going to occur in development and when you fix..
Does NSURLConnection Block the Main/UI Thread http://stackoverflow.com/questions/3234054/does-nsurlconnection-block-the-main-ui-thread call back to the main thread where I create a UIImage and show it in the table view. This method works MUCH faster. Personally I think that NSURLConnection is getting thrown into the event loop where the UITableView scrolling is blocking it. iphone..
iPhone :Can we add more than One application in a Single application http://stackoverflow.com/questions/4634128/iphone-can-we-add-more-than-one-application-in-a-single-application
What does @synthesize window=_window do? http://stackoverflow.com/questions/5170631/what-does-synthesize-window-window-do you don't need to have a backing variable at all. As for why people do this everyone has different reasons. Personally I do it to avoid clashes with variable names and make it clear when I'm using a local variable and when I'm using an instance..
Wildcard App IDs for iPhone/iPod Touch Apps http://stackoverflow.com/questions/555043/wildcard-app-ids-for-iphone-ipod-touch-apps If your apps have the same wildcard identifier then this limit would be imposed across all your applications. Personally for a small developer I would recommend using a wildcard ID. It results in a lot less to manage in several areas and hence..
Transitioning from OpenGL ES 1.1 to OpenGL ES 2.0 http://stackoverflow.com/questions/5866256/transitioning-from-opengl-es-1-1-to-opengl-es-2-0 is as simple as placing a line like this in your vertex shader vec4 transformedPosition modelViewProjMatrix position Personally I replaced the glRotate etc. functions a long while ago using the Core Animation helper functions to manipulate what effectively..
Post photo on user's wall using Facebook iOS SDK http://stackoverflow.com/questions/6702135/post-photo-on-users-wall-using-facebook-ios-sdk be to use the FB dialogs that are part of the mobile toolkit essentially little web pages much like the OAuth screen. Personally I plan to simply post to the album as above and live with FB's idea of how the user should be notified. Curious how you..
How to display multiple callouts from MKAnnotationView? http://stackoverflow.com/questions/6792992/how-to-display-multiple-callouts-from-mkannotationview linked question suggests making your callout a part of your annotation view so you can manage the selection yourself. Personally I like implementing the callout as an separate annotation I have an example project with custom callouts here https github.com..
Debugging exception thrown in Objective C and XCode http://stackoverflow.com/questions/711650/debugging-exception-thrown-in-objective-c-and-xcode with but make sure to turn on Treat Warnings as Errors this is the equivalent of GCC_TREAT_WARNINGS_AS_ERRORS . Personally I have it set to this You should now be getting compiler warnings for most things you can do wrong in code and the compiler..
What are the advantages and disadvantages of using ARC? [closed] http://stackoverflow.com/questions/7888568/what-are-the-advantages-and-disadvantages-of-using-arc may introduce a leak or zombie in release. Do you recommend ARC or manual reference counting MRC for a new project Personally I'll be sticking with MRC for some time. Even if ARC has been tested in real world usage it's likely that there are a number..
Store an encryption key in Keychain while application installation process http://stackoverflow.com/questions/886893/store-an-encryption-key-in-keychain-while-application-installation-process user from. You definitely need to be very clear in your UI that you are doing this and get explicit user permission. Personally I'd authenticate as follows Server sends challenge byte Client sends UUID date and hash UUID challenge userPassword obfuscationKey..
UITableViewCell's contentView's width with a given accessory type http://stackoverflow.com/questions/902096/uitableviewcells-contentviews-width-with-a-given-accessory-type tweak the margin. This is related to this question . iphone cocoa touch uitableview share improve this question Personally I would just hard code the values simpler and things will break in a predictable way. But were I to do this programmatically..
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