2014/10/15 下午 10:11:11

iphone Programming Glossary: lots

How is a rounded rect view with transparency done on iphone?

http://stackoverflow.com/questions/1031930/how-is-a-rounded-rect-view-with-transparency-done-on-iphone

consuming operation. How is this rounding done and is it possible to do it just using Interface Builder as there are lots of places I'd like to use something like this Or should I use an imageview with a rounded rect or stretchable image Do I..

Difference between objectForKey and valueForKey?

http://stackoverflow.com/questions/1062183/difference-between-objectforkey-and-valueforkey

KVC doesn't look all that useful. In fact it looks wordy . But when you want to change things at runtime you can do lots of cool things that are much more difficult in other languages but this is beyond the scope of your question . If you want..

How to implement re-ordering of CoreData records?

http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records

column to store the order info but using contiguous numbers for ordering index has a problem. if I am dealing with lots of data reordering a record potentially involves updating a lot of records on the ordering info it's sorta like changing..

Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone

http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the

any optimization tricks to speed this up. iphone cocoa touch core location share improve this question I've had lots of issues with CLLocationManager on the iPhone also. From different Apps and trial and error this is what I've figured out..

UIWebView to view self signed websites (No private api, not NSURLConnection) - is it possible?

http://stackoverflow.com/questions/11573164/uiwebview-to-view-self-signed-websites-no-private-api-not-nsurlconnection-i

NSURLConnection _urlConnection NSURLRequest _request I use an instance var for _request as in my case it's a POST with lots of login details but you could change to use the request passed in as arguments to the methods if you needed. #pragma mark..

AES Encryption for an NSString on the iPhone

http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone

but I've had no luck so far. Apple's CryptoExercise certainly has something but I can't make sense of it... I've seen lots of references to CCCrypt but it's failed in every case I've used it. I would also have to be able to decrypt an encrypted..

Dynamic (Default.png) splashscreen in 3.0 [iPhone SDK]

http://stackoverflow.com/questions/1959080/dynamic-default-png-splashscreen-in-3-0-iphone-sdk

for apps such as games that don't use the standard UI elements that are provided in the SDK. That being said lots of apps these days are using this feature to show splash screens and seems Apple aren't really enforcing this guideline...

Re-Apply currency formatting to a UITextField on a change event

http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event

to a UITextField on a change event I'm working with a UITextField that holds a localized currency value. I've seen lots of posts on how to work with this but my question is how do I re apply currency formatting to the UITextField after every..

How to make a chat system on iPhone?

http://stackoverflow.com/questions/3380851/how-to-make-a-chat-system-on-iphone

post their own responses to others. And potentially it might also be too much to handle for the server to respond to lots of requests all the time. It would also waste bandwidth which is not free for the user... Unfortunately I will not be able..

Using the apple FFT and accelerate Framework

http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework

want to do this once when the app loads and call the complimentary release function once when it quits. DON'T do it lots of times it is expensive. let's say log2n 8 so n 2^8 256 samples or 'harmonics' or 'terms' if we pre calculate the 256th..

Using custom fonts in interface builder

http://stackoverflow.com/questions/4284817/using-custom-fonts-in-interface-builder

fonts interface builder share improve this question I have also this problem in Xcode 4. In my program there are lots of UILabel which have no IBOutlets so I do in that way First subclass the UILabel to CustomFontLabel Then override the awakeFromNib..

Is it good practice to use AppDelegate for data manipulation and Handling?

http://stackoverflow.com/questions/5155437/is-it-good-practice-to-use-appdelegate-for-data-manipulation-and-handling

that need it. This last approach does however cause more 'interface pollution' where you have to modify interfaces in lots of places in order to pass in the DatabaseManager. And yet another alternative would be to effectively make your DatabaseManager..

How to list only online users on facebook with xmpp framework

http://stackoverflow.com/questions/5300912/how-to-list-only-online-users-on-facebook-with-xmpp-framework

sendElement presence iphone facebook graph api xmpp xmppframework share improve this question finally after lots of efforts i found out how to show online offline away users. i'm going to tell you step by step how i did it so that i..

Am I abusing UIViewController Subclassing?

http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing

methods called. If there are a lot of views which by definition need controlling coming and going in an app and lots of screenfulls in the model described in that post each screenfull should have one master VC Subclass with all the subviews..

Programatically changing the iOS lock-screen

http://stackoverflow.com/questions/6243591/programatically-changing-the-ios-lock-screen

I'm building an app which would have to have the ability to show my own views on the iPhone lock screen. I've seen lots of apps which let you customize the lockscreen and so forth and these were App Store apps so i'm guessing it has to possible...

Launching application from a SMS message

http://stackoverflow.com/questions/625232/launching-application-from-a-sms-message

Understanding reference counting with Cocoa and Objective-C

http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c

to memory management. Cocoa Programming for Mac OS X 4th Edition by Aaron Hillegas a very well written book with lots of great examples. It reads like a tutorial. If you're truly diving in you could head to Big Nerd Ranch . This is a training..

learning iphone game development

http://stackoverflow.com/questions/720901/learning-iphone-game-development

How to set up CMake to build an app for the iPhone

http://stackoverflow.com/questions/822404/how-to-set-up-cmake-to-build-an-app-for-the-iphone

but when I run it in the simulator I get the dreaded Failed to launch simulated application Unknown error. There are lots of reported instances of this problem on google and stackoverflow but all of the solutions involve cleaning up or creating..

Develop iPhone app without a Mac? [duplicate]

http://stackoverflow.com/questions/1041623/develop-iphone-app-without-a-mac

language. Elegant small only a few changes from C late binding dynamic straightforward. It's what C should have been. Lots of people recommend picking up a secondhand Intel remember must be Intel Mac Mini as the cheapest port of entry . share..

What does this ^ syntax mean in Objective-C?

http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c

c objective c blocks share improve this question It is a block a new feature Apple added to C in Snow Leopard. Lots more info available at http developer.apple.com mac articles cocoa introblocksgcd.html Block Objects Block objects informally..

How to tint a transparent PNG image in iPhone?

http://stackoverflow.com/questions/3514066/how-to-tint-a-transparent-png-image-in-iphone

It must be possible since the SDK does it itself on tab bars in such. Would anyone be able to provide a snippet UPDATE Lots of great suggestions have been given for this problem since I originally asked. Be sure to read through all the answers..

iPhone GPS Development - Tips + Tricks [closed]

http://stackoverflow.com/questions/488088/iphone-gps-development-tips-tricks

GPS lookups. You're doing Core Location lookups. Core Location might or might not be getting its information from GPS. Lots of people still use pre 3g iPhones that don't have GPS and even on a 3g phone GPS may be unavailable in many cases if the..

What is the range of bluetooth and is it strictly 1:1?

http://stackoverflow.com/questions/658899/what-is-the-range-of-bluetooth-and-is-it-strictly-11

nothing more than clear air can get ranges of hundreds of meters. Other factors that influence things are Interference Lots of things use 2.4 GHz. WiFi for example can cause problems. Antenna design Space and cost constraints often mean that the..

Displaying Lots Of RichText : Choosing the best option

http://stackoverflow.com/questions/6626294/displaying-lots-of-richtext-choosing-the-best-option

Lots Of RichText Choosing the best option What is the best way to display lots of RichText HTML formatted At the moment I'm..

Pass data from child view to parent view - iPhone

http://stackoverflow.com/questions/6720985/pass-data-from-child-view-to-parent-view-iphone

would like to return to 'A' after B runs its last method... iphone objective c xcode share improve this question Lots of options Keep your data in a singleton DataManager object that both VCs can reference Have B post an NSNotification that..

Combining two .caf files on iPhone

http://stackoverflow.com/questions/7656512/combining-two-caf-files-on-iphone

two .caf files on iPhone I've looked and looked for an answer but can't seem to find one. Lots have asked but none have gotten answers. I have an app that records audio using AVAudioRecorder. Now I just want to merge..