2014/10/15 下午 10:12:22

iphone Programming Glossary: optimized

How to change thin image to fat image in iPhone SDK?

http://stackoverflow.com/questions/10186200/how-to-change-thin-image-to-fat-image-in-iphone-sdk

to understand trig algebra pointer math transformation matrixes and have a solid understanding of how to write highly optimized code. I'm using Apple's new Core Image face recognition code to find peoples face features in an image and use the coordinates..

Core Data vs Sqlite and performance

http://stackoverflow.com/questions/1045238/core-data-vs-sqlite-and-performance

but i thought i would ask anyways. iphone cocoa touch core data share improve this question Core Data is heavily optimized with regards to caching lazy loading and memory management. If you use it with the SQLite store type especially in conjunction..

How do I use a UISegmentedControl to switch views?

http://stackoverflow.com/questions/1047114/how-do-i-use-a-uisegmentedcontrol-to-switch-views

visibility to indicate which view has been selected. Here is some sample code on how it can be done definitely not an optimized way to handle the views but just to demonstrate how you can use the UISegmentControl to toggle the visible view IBAction..

Thumbnail view of images

http://stackoverflow.com/questions/1215869/thumbnail-view-of-images

large grid in a UIScrollView or on a more efficient row by row basis in a UITableView . There's a previous question on optimized image loading in a UIScrollView . Creating thumbnails from larger images The code easiest way to scale down an image is..

How to detect iPhone 5 (widescreen devices)?

http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices

in such a case. I don't think this may be an issue as I don't see why we would want to detect an iPhone 5 in a non optimized app. Final note Comments and suggestions have been incorporated in this post. Thanks to everybody. share improve this answer..

iPhone 5 Optimization Requirement - Launch image really necessary?

http://stackoverflow.com/questions/16552348/iphone-5-optimization-requirement-launch-image-really-necessary

a binary to App Store I get the following response in an email iPhone 5 Optimization Requirement Your binary is not optimized for iPhone 5. As of May 1 all new iPhone apps and app updates submitted must support the 4 inch display on iPhone 5. All..

How do I detect Mobile Safari server side using PHP?

http://stackoverflow.com/questions/186734/how-do-i-detect-mobile-safari-server-side-using-php

browser and it can handle my website as it is perfectly. However there are a few elements on my page that could be optimized for browsing using this device such as serving specific thumbnails that are smaller than the desktop counterparts to help..

How can I skip compressing one PNG?

http://stackoverflow.com/questions/2051947/how-can-i-skip-compressing-one-png

question You can read more about Xcode's PNG compression here http iphonedevelopment.blogspot.com 2008 10 iphone optimized pngs.html While you can turn off PNG optimization compression entirely using Compress PNG Files in your project settings.. down PNG display. Xcode will only optimize PNG image files that it knows about. To prevent a specific PNG from being optimized you change its file type so Xcode no longer knows it's a PNG. Select the file in the project window. Choose File Get Info...

drawRect not being called in my subclass of UIImageView

http://stackoverflow.com/questions/2612152/drawrect-not-being-called-in-my-subclass-of-uiimageview

the first time that you're subclassing UIImageView. From the docs Special Considerations The UIImageView class is optimized to draw its images to the display. UIImageView will not call drawRect a subclass. If your subclass needs custom drawing..

Is it possible to cache resources loaded in an iPhone UIWebView?

http://stackoverflow.com/questions/345432/is-it-possible-to-cache-resources-loaded-in-an-iphone-uiwebview

it possible to cache resources loaded in an iPhone UIWebView I have a simple app loading a site optimized for the iPhone in a UIWebView. Problem is caching does not seem to work webView loadRequest NSURLRequest requestWithURL..

Alternatives For iOS Development Under Windows [duplicate]

http://stackoverflow.com/questions/4533847/alternatives-for-ios-development-under-windows

Sencha Touch Nice JS framework. Check out their demos. Rhomobile Appcelerator Titanium jQuery Mobile Version of jQuery optimized for mobile devices. jQTouch jQuery plugin for mobile development CrossMobs Sdk for iOS and android development no mac needed..

How do I stream video and play it?

http://stackoverflow.com/questions/464732/how-do-i-stream-video-and-play-it

and play it on an iPhone iphone media player share improve this question First are you developing a Web app optimized for iPhone or a native application In the first case your only option is to transcode your video files to Quicktime H.264..

Creating a JSON Store For iPhone

http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone

make it trivial. 4 With high complexity and high size Core Data is clearly the superior choice. Core Data is highly optimized so that increase in graph size don't bog things down as much as they do with SQL. You also get highly intelligent caching...

How can I optimize the rendering of a large model in OpenGL ES 1.1?

http://stackoverflow.com/questions/5718846/how-can-i-optimize-the-rendering-of-a-large-model-in-opengl-es-1-1

which might cut down on geometry by eliminating some redundant vertices. The PowerVR GPUs in the iOS devices are optimized for using indexed geometry as well. Try using a smaller data type for your vertex information. I found that I could use..

Programmatically change UITextField Keyboard type

http://stackoverflow.com/questions/7301018/programmatically-change-uitextfield-keyboard-type

remain active UIKeyboardTypeNumbersAndPunctuation Numbers and assorted punctuation. UIKeyboardTypeURL A type optimized for URL entry shows . .com prominently . UIKeyboardTypeNumberPad A number pad 0 9 . Suitable for PIN entry. UIKeyboardTypePhonePad.. entry. UIKeyboardTypePhonePad A phone pad 1 9 0 # with letters under the numbers . UIKeyboardTypeNamePhonePad A type optimized for entering a person's name or phone number. UIKeyboardTypeEmailAddress A type optimized for multiple email address entry.. A type optimized for entering a person's name or phone number. UIKeyboardTypeEmailAddress A type optimized for multiple email address entry shows space @ . prominently . UIKeyboardTypeDecimalPad A number pad including a decimal..

Most efficient way to draw part of an image in iOS

http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios

. If your image is larger than this it will not work or performance will be degraded greatly I think UIImageView is optimized for images within the limits . If you need to display huge images with clipping you have to use another optimization like..

Faster alternative to glReadPixels in iPhone OpenGL ES 2.0

http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0

here am I reading anything manually. Also the textures are natively in BGRA format which is what AVAssetWriters are optimized to use when encoding video so there's no need to do any color swizzling here. The raw BGRA pixels are just fed into the..

Optimized Image Loading in a UIScrollView

http://stackoverflow.com/questions/1098234/optimized-image-loading-in-a-uiscrollview

Image Loading in a UIScrollView I have a UIScrollView that has a set of images loaded side by side inside it. You can see..

What are the Build Settings for a Universal iPhone and iPad Application

http://stackoverflow.com/questions/2547315/what-are-the-build-settings-for-a-universal-iphone-and-ipad-application

iPad and iPhone That is what would be the settings in Project X Info Build for Architectures ARCHS Standard armv6 or Optimized armv6 armv7 or other Valid Architectures VALID_ARCHS armv6 armv7 or other Build Active Architecture Only checked or unchecked..

Building/Testing a Universal iPhone/iPad application

http://stackoverflow.com/questions/2862537/building-testing-a-universal-iphone-ipad-application

approved and released in the App Store today so here are the settings we successfully used Architectures Architectures Optimized armv6 armv7 Base SDK iPhone Device 3.2 Build Active Architecture Only unchecked Valid Architectures empty Deployment Targeted..

What are the benefits/consequences of compiling an armv7 only architecture?

http://stackoverflow.com/questions/2940023/what-are-the-benefits-consequences-of-compiling-an-armv7-only-architecture

are the benefits consequences of compiling an armv7 only architecture In compiling iPhone apps there is a setting for Optimized architecture armv7 only vs a standard armv6 armv7 architecture. What are the benefits consequences of compiling an armv7..

Way to restore XCode to accept armv6 architecture?

http://stackoverflow.com/questions/5266576/way-to-restore-xcode-to-accept-armv6-architecture

xcode3.2 armv7 armv6 share improve this question In Project Settings select Standard for the architecture not Optimized . This should allow you to select armv6 for the Active Architecture. This means it should also work on older devices barring..

Programmatically change UITextField Keyboard type

http://stackoverflow.com/questions/7301018/programmatically-change-uitextfield-keyboard-type

shows space @ . prominently . UIKeyboardTypeDecimalPad A number pad including a decimal point UIKeyboardTypeTwitter Optimized for entering Twitter messages shows # and @ UIKeyboardTypeWebSearch Optimized for URL and search term entry shows space.. a decimal point UIKeyboardTypeTwitter Optimized for entering Twitter messages shows # and @ UIKeyboardTypeWebSearch Optimized for URL and search term entry shows space and . UIKeyboardTypeAlphabet UIKeyboardTypeASCIICapable Deprecated UIKeyboardType..