2014/10/15 下午 10:10:05

iphone Programming Glossary: high

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case..

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

around here. iphone ios ios7 itunes share improve this question Yes you need to add a 120x120 high resolution icon. Now if you want to target only iOS 7 you just need 76 x 76 120 x 120 and 152 x 152.. x 76 pixels standard resolution Now set this into Project Create a new icon with 120 pixels with high resolution and 60 pixels as regular as above that the Apple documentation mentions and set the name...

Autoplay audio files on an iPad with HTML5

http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5

on IOS 3.2.X. It's not true. Apple doesn't want to autoplay video and audio on IPad because of the high amout of traffic you can use on mobile networks. I wouldn't use autoplay for online content. For Offline..

Is there a multiplatform framework for developing iPhone / Android applications? [closed]

http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications

4.x Framework. It makes it easy for XNA developers to create cross platform games with extremely high code reuse. It currently supports iOS Android Windows both OpenGL and DirectX Mac OS X Linux Windows..

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

Retina Display Does iOS SDK provides an easy way to check if the currentDevice has an high resolution display retina The best way I've found to do it now is if UIScreen mainScreen respondsToSelector..

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

method scrollViewDidEndZooming withView atScale will be called and give you a chance to do a more high quality rendering of your view at the new scale factor. Generally it's suggested that you reset the..

What's the best way to communicate between view controllers?

http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers

employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection...

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

UPDATE I gave a test to the library mentioned above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further #import EXFJpeg.h void imagePickerController..

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

and then to display the relevant content. Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory in your app's documents folder using the..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

me wonder how many Apple Windows app review people lurk around here. iphone ios ios7 itunes share improve this question Yes you need to add a 120x120 high resolution icon. Now if you want to target only iOS 7 you just need 76 x 76 120 x 120 and 152 x 152 icon sizes. If you also want to target iOS 6 you 耱l need 57.. For iPad both of these sizes are required 152 x 152 76 x 76 pixels standard resolution Now set this into Project Create a new icon with 120 pixels with high resolution and 60 pixels as regular as above that the Apple documentation mentions and set the name. For example icon 120.png and icon 152.png . Put this icons..

Autoplay audio files on an iPad with HTML5

http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5

not working anymore on IOS 4.X and above. This one worked on IOS 3.2.X. It's not true. Apple doesn't want to autoplay video and audio on IPad because of the high amout of traffic you can use on mobile networks. I wouldn't use autoplay for online content. For Offline HTML sites it's a great feature and thats what I've used..

Is there a multiplatform framework for developing iPhone / Android applications? [closed]

http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications

is an open source implementation of the Microsoft XNA 4.x Framework. It makes it easy for XNA developers to create cross platform games with extremely high code reuse. It currently supports iOS Android Windows both OpenGL and DirectX Mac OS X Linux Windows 8 Store Windows Phone 8 PlayStation Mobile and the OUYA console...

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

each frame. At the end of the zoom operation your delegate method scrollViewDidEndZooming withView atScale will be called and give you a chance to do a more high quality rendering of your view at the new scale factor. Generally it's suggested that you reset the transform on your view to be CGAffineTransformIdentity and then..

What's the best way to communicate between view controllers?

http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers

where the Stanford presenters are coming from i.e. as Apple employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection. That's the gist of my response. I'll include an example of..

UIImagePickerController and extracting EXIF data from existing photos

http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos

mentioned above and it seems to work. However because of my limited knwoledge about the EXIF format and the lack of high level API in the library I don't manage to get the values for the EXIF tags. Here's my code in case any of you can go further..

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with a UIWebView 2 download the EPUB file 3 unzip it to a subdirectory..

Double vs float on the iPhone

http://stackoverflow.com/questions/1622729/double-vs-float-on-the-iphone

them much slower that regular float. Is this true Evidence I am very interested in the issue because my program needs high precision calculations and I will have to compromise on speed. iphone cocoa touch floating point ieee 754 share improve..

http://stackoverflow.com/questions/18736954/missing-recommended-icon-file-the-bundle-does-not-contain-an-app-icon-for-iph

review people lurk around here. iphone ios ios7 itunes share improve this question Yes you need to add a 120x120 high resolution icon. Now if you want to target only iOS 7 you just need 76 x 76 120 x 120 and 152 x 152 icon sizes. If you also.. required 152 x 152 76 x 76 pixels standard resolution Now set this into Project Create a new icon with 120 pixels with high resolution and 60 pixels as regular as above that the Apple documentation mentions and set the name. For example icon 120.png..

How to accommodate for the iPhone 4 screen resolution?

http://stackoverflow.com/questions/2992360/how-to-accommodate-for-the-iphone-4-screen-resolution

the center or somewhere at the bottom. Edit It seems Apple has integrated an switch that allows to tell if an app is highRes or not. Nice. When we develop high resolution apps they probably won't work on older devices. And if they do they would.. Edit It seems Apple has integrated an switch that allows to tell if an app is highRes or not. Nice. When we develop high resolution apps they probably won't work on older devices. And if they do they would suffer a lot from 4 times the size..

Autoplay audio files on an iPad with HTML5

http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5

This one worked on IOS 3.2.X. It's not true. Apple doesn't want to autoplay video and audio on IPad because of the high amout of traffic you can use on mobile networks. I wouldn't use autoplay for online content. For Offline HTML sites it's..

Is there a multiplatform framework for developing iPhone / Android applications? [closed]

http://stackoverflow.com/questions/30953/is-there-a-multiplatform-framework-for-developing-iphone-android-applications

of the Microsoft XNA 4.x Framework. It makes it easy for XNA developers to create cross platform games with extremely high code reuse. It currently supports iOS Android Windows both OpenGL and DirectX Mac OS X Linux Windows 8 Store Windows Phone..

Detect Retina Display

http://stackoverflow.com/questions/3504173/detect-retina-display

How Do I write a Timer in Objective-C?

http://stackoverflow.com/questions/3519562/how-do-i-write-a-timer-in-objective-c

question Don't use NSTimer that way. NSTimer is normally used to fire a selector at some time interval. It isn't high precision and isn't suited to what you want to do. What you want is a High resolution timer class using NSDate Output Total..

How do I reset after a UIScrollView zoom?

http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom

your delegate method scrollViewDidEndZooming withView atScale will be called and give you a chance to do a more high quality rendering of your view at the new scale factor. Generally it's suggested that you reset the transform on your view..

Creating a JSON Store For iPhone

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

very good at processing 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.. becomes a nightmare. Core Data NSFetchedResultsController and UITableViewController delegates 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.. Core Data NSFetchedResultsController and UITableViewController delegates 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..

iPhone:Programmatically compressing recorded video to share?

http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share

as High quality then the recorded video has become huge size. For example if i record video for 30 seconds with high quality recorded video has become around 30 40 mb. pickerController.videoQuality UIImagePickerControllerQualityTypeHigh.. around 30 40 mb. pickerController.videoQuality UIImagePickerControllerQualityTypeHigh How do i program to compress the high quality recorded video before sharing it like how Apple does with built in Video recorder Please guide me to resolve this...

What's the best way to communicate between view controllers?

http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers

from i.e. as Apple employees their job is to build classes that can easily be reused reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection. That's the gist of..

iPhone call log / history

http://stackoverflow.com/questions/6214725/iphone-call-log-history

is giving an error DB Error 23 authorization denied So this file must be sandboxed as I initially expected I searched high and low again but can't seem to find anything that will do... but these guyse seem to get away with it http itunes.apple.com..

Method Swizzling in iOS 5?

http://stackoverflow.com/questions/7720947/method-swizzling-in-ios-5

Secure https encryption for iPhone app to webpage

http://stackoverflow.com/questions/9181186/secure-https-encryption-for-iphone-app-to-webpage

not security but cheap and mostly effective is much better than expensive and mostly effective. If you have a very high value product then it may warrant more aggressive expensive solutions. All of these solutions include one of two things..

libraries to CAPTURE panorama in iOS 6

http://stackoverflow.com/questions/14062932/libraries-to-capture-panorama-in-ios-6

update OpenCV has a Stitcher class with mounds of documentation... OpenCV Stitching pipline OpenCV Stitcher class High level image stitcher. It 䏭 possible to use this class without being aware of the entire stitching pipeline. However to be..

iOS Device & Bluetooth

http://stackoverflow.com/questions/14561579/ios-device-bluetooth

on the iPhone iPad depending on the profile you use and the remote device What you have mentioned is for BT 3.0 HS High Speed 24 Mbps etc is achieved by using the 802.11 as the underlying mac for Bluetooth stack profiles. High Speed is not.. BT 3.0 HS High Speed 24 Mbps etc is achieved by using the 802.11 as the underlying mac for Bluetooth stack profiles. High Speed is not supported on the iPhone iPad. BT 4.0 in LE mode is primarily for sensor devices that need very low power so..

What are the correct pixel dimensions for an apple-touch-icon?

http://stackoverflow.com/questions/1598/what-are-the-correct-pixel-dimensions-for-an-apple-touch-icon

apple touch icon share improve this question It seems that Apple guidelines as of August 3 2010 now include the High resolution images for iPhone 4 in their required icon sizes. Looks like we need to provide both a 57x57 and a 114x114 image..

How Do I write a Timer in Objective-C?

http://stackoverflow.com/questions/3519562/how-do-i-write-a-timer-in-objective-c

a selector at some time interval. It isn't high precision and isn't suited to what you want to do. What you want is a High resolution timer class using NSDate Output Total time was 0.002027 milliseconds Total time was 0.000002 seconds Total time..

High-resolution timer for iPhone?

http://stackoverflow.com/questions/3540234/high-resolution-timer-for-iphone

resolution timer for iPhone I'm looking for high resolution timing code for iPhone in order to do some performance timings... for high resolution timing code for iPhone in order to do some performance timings. I'd like to write code like this HighResolutionTimer myTimer HighResolutionTimer alloc init myTimer start self doSomeLengthyOperation NSLog @ doSomeLengthyOperation.. code for iPhone in order to do some performance timings. I'd like to write code like this HighResolutionTimer myTimer HighResolutionTimer alloc init myTimer start self doSomeLengthyOperation NSLog @ doSomeLengthyOperation took f seconds myTimer..

High Resolution images in a uiwebview

http://stackoverflow.com/questions/3652930/high-resolution-images-in-a-uiwebview

Resolution images in a uiwebview I have a webview that displays an image as shown in the code below. The bundle also has..

iPhone View Strategy

http://stackoverflow.com/questions/3730190/iphone-view-strategy

menu I have a game over view for this. The hierarchy looks something like this Main View Game View Game Over View High Scores View High Scores View I am using the presentModalViewController method to switch from the game view to the game over.. game over view for this. The hierarchy looks something like this Main View Game View Game Over View High Scores View High Scores View I am using the presentModalViewController method to switch from the game view to the game over view. This is..

PVR textures versus PNG in OpenGL ES

http://stackoverflow.com/questions/501956/pvr-textures-versus-png-in-opengl-es

by texturetool looks really bad is the PVRTexTool better iphone opengl es share improve this question PNGs High precision color representation not lossy Slow decompression from disk. Slow uploading to graphics hardware internal pixel..

what is the best way for saving username and High Score

http://stackoverflow.com/questions/5448525/what-is-the-best-way-for-saving-username-and-high-score

is the best way for saving username and High Score In my app I need to save a double value high score and String player name what should i use to get this. any idea..

iPhone:Programmatically compressing recorded video to share?

http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share

the video into Album after recording the video and sharing via email etc. all works fine. If i use video quality as High quality then the recorded video has become huge size. For example if i record video for 30 seconds with high quality recorded.. quality recorded video has become around 30 40 mb. pickerController.videoQuality UIImagePickerControllerQualityTypeHigh How do i program to compress the high quality recorded video before sharing it like how Apple does with built in Video recorder..

iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto

http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio

video preview as received by the delegate in steps 5 and 6 now looks like this I've confirmed that every other preset High medium low 640x480 and 1280x720 previews as intended. However the Photo preset seems to send buffer data in a different..

what is the code to detect whether ios app running in iPhone, iPhone Retina display, or iPad?

http://stackoverflow.com/questions/7217277/what-is-the-code-to-detect-whether-ios-app-running-in-iphone-iphone-retina-disp

that automatically when you use imageNamed and append @2x to your high resolution image file names see Supporting High Resolution Screens in the Drawing and Printing Guide for iOS . If you really need to know which resolution the screen has..

Why might my AudioQueueOutputCallback not be called?

http://stackoverflow.com/questions/7575670/why-might-my-audioqueueoutputcallback-not-be-called

connection I just cannot seem to make my AudioQueue call my AudioQueueOutputCallback function and I'm out of ideas. High level design Data is passed to the player from the socket connection and written immediately into circular buffers in memory...

High score system from my iphone game

http://stackoverflow.com/questions/9490066/high-score-system-from-my-iphone-game

score system from my iphone game I have this loop in php to select all my scores from my game from a mysql table. My query..