iphone Programming Glossary: efficiently

Detect touches only on non-transparent pixels of UIImageView, efficiently

http://stackoverflow.com/questions/13291919/detect-touches-only-on-non-transparent-pixels-of-uiimageview-efficiently

touches only on non transparent pixels of UIImageView efficiently How would you detect touches only on non transparent pixels of a UIImageView efficiently Consider an image like the one.. pixels of UIImageView efficiently How would you detect touches only on non transparent pixels of a UIImageView efficiently Consider an image like the one below displayed with UIImageView . The goal is be to make the gesture recognisers respond..

Drawing incrementally in a UIView (iPhone)

http://stackoverflow.com/questions/1798414/drawing-incrementally-in-a-uiview-iphone

a new one. Unfortunately this gives my terrible performance and I am sure there is some other way of doing this more efficiently. EDIT Using MrMage's code I did the following which unfortunately is just as slow and the color blending doesn't work. Any..

Core Data pattern: how to efficiently update local info with changes from network?

http://stackoverflow.com/questions/2209228/core-data-pattern-how-to-efficiently-update-local-info-with-changes-from-networ

Data pattern how to efficiently update local info with changes from network I have some inefficiency in my app that I'd like to understand and fix. My..

How to efficiently show many Images? (iPhone programming)

http://stackoverflow.com/questions/2507441/how-to-efficiently-show-many-images-iphone-programming

to efficiently show many Images iPhone programming In my application I needed something like a particle system so I did the following..

Pixel-Position of Cursor in UITextView

http://stackoverflow.com/questions/2633379/pixel-position-of-cursor-in-uitextview

I used NSCharacterSet whitespaceAndNewlineCharacterSet to find word boundaries. This can also be done presumably more efficiently using CTFrameSetter in Core Text but that is not available in iPhone OS 3.1.3 so if you're targeting the iPhone you will..

How to get a Phone Number from an Address Book Contact (iphone sdk)

http://stackoverflow.com/questions/286207/how-to-get-a-phone-number-from-an-address-book-contact-iphone-sdk

I always get some error. iphone objective c cocoa touch share improve this question To get the property efficiently as far as reading goes you can do something like this in your callback method switch propertyType case kABMultiStringPropertyType..

Update UITableView using threads

http://stackoverflow.com/questions/3374979/update-uitableview-using-threads

the case that I mentioned above doesn't happen that often. Does anyone have a better idea of how to solve this problem efficiently Thank you very much iphone cocoa touch multithreading uitableview apple share improve this question Do not try to update..

How to make a chat system on iPhone?

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

same . Maximum 6 people can be logged into the same chat room at any one time and the most basic question is how to efficiently check for new messages Would I need to simply poll the server periodically Or is there a way I could trigger an event on..

Creating a JSON Store For iPhone

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

large amounts of low complexity information. If the data is simple then SQL can handle even highly volatile data efficiently. If the UI is equally simple then there is little overhead in integrating the UI into the object oriented design of an iOS..

OpenGL-ES 2.0 VS OpenGL-ES 1.1, which is faster?

http://stackoverflow.com/questions/5682010/opengl-es-2-0-vs-opengl-es-1-1-which-is-faster

documentation on the PowerVR SGX which says The graphics driver for the PowerVR SGX also implements OpenGL ES 1.1 by efficiently implementing the fixed function pipeline using shaders. For rendering basic flat colored triangles I'd suggest going with..

How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener

closer to the user by one radius. This allows the tile based deferred rendering hardware in the iOS devices to efficiently strip out fragments that would never appear onscreen under any conditions yet still give smooth intersections between the.. performance than squares despite removing many unnecessary fragments and letting you block covered fragments more efficiently. By adjusting the triangle drawing as follows I was able to reduce overall rendering time by an average of 14 on top of..

Choosing between the two - Interface Builder OR creating via code

http://stackoverflow.com/questions/6385516/choosing-between-the-two-interface-builder-or-creating-via-code

you can instead get direct visual feedback about your changes. This means you can refine and polish the UI much more efficiently and even test out radically different layouts without too much time or effort. Another important point is that if you can..

Create a UIImage from two other UIImages on the iPhone

http://stackoverflow.com/questions/679245/create-a-uiimage-from-two-other-uiimages-on-the-iphone

a bit confused with the context and layers and stuff. Could someone please explain how to write something like that efficiently with example code iphone uiimage share improve this question For the record this turns out to be fairly straightforward..

Replace multiple characters in a string in Objective-C?

http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c

How to do animations using images efficiently in iOS

http://stackoverflow.com/questions/8112698/how-to-do-animations-using-images-efficiently-in-ios

to do animations using images efficiently in iOS How can i do animation in iOS with out consuming much memory or efficiently as i am currently facing crash problems.. to do animations using images efficiently in iOS How can i do animation in iOS with out consuming much memory or efficiently as i am currently facing crash problems For an single animation I am having a sequence of 100 images and each image is about.. imageArray nil imageArray release Can anyone suggest any improvement in the code so that the animations can be efficiently done or is there any other alternative like openGL or Core Animation if so can anyone suggest a sample code to do so. iphone..

UIImage to be displayed progressively from server

http://stackoverflow.com/questions/9478262/uiimage-to-be-displayed-progressively-from-server

in didReceiveData so drawInRect does not take too much time to draw. Or If anyone has custom drawRect method which efficiently displays image progressively as data received in didReceiveData . iphone uiimageview uiimage http headers nsurlconnection..

iPhone emoticons insert into MySQL but become blank value

http://stackoverflow.com/questions/9509668/iphone-emoticons-insert-into-mysql-but-become-blank-value

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