2014/10/15 下午 10:09:55

iphone Programming Glossary: grabbing

How does the iOS app Display Recorder record the screen without using private API?

http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap

of generating video. It also uses some IOKit functions and IOMobileFramebuffer functions. It looks like the app is grabbing an IOSurface from the IOMobileFramebufferGetLayerDefaultSurface function. Not quite sure what it uses IOKit for though...

Custom view transition in OpenGL ES

http://stackoverflow.com/questions/309880/custom-view-transition-in-opengl-es

In order to get the view of a UINavigationController you need to take a screenshot. The easiest way to do this is by grabbing it into a UIImage UIGraphicsBeginImageContext self.view.frame.size self.view layer renderInContext UIGraphicsGetCurrentContext..

Must drawInRect: for a separate context be executed on the main thread?

http://stackoverflow.com/questions/3207536/must-drawinrect-for-a-separate-context-be-executed-on-the-main-thread

update this problem has been resolved the issue was not in drawInRect but in UIGraphicsBeginImageContext In my app I'm grabbing a bunch of large images cropping them down to thumbnail size and storing the thumbnails for previewing. Note that I'm doing..

Is it possible to tile images in a UIScrollView without having to manually create all the tiles?

http://stackoverflow.com/questions/3337870/is-it-possible-to-tile-images-in-a-uiscrollview-without-having-to-manually-creat

show how to display high resolution images and maintain good performance. Tiling is implemented in the sample code by grabbing pre scaled and cut images for different resolutions and placing them in the grid which makes up the entire image. My question..

Returning data from data-grabbing class from web?

http://stackoverflow.com/questions/3883747/returning-data-from-data-grabbing-class-from-web

data from data grabbing class from web I'm trying to create a class which will let me get requested data from a web service. I'm stuck on how to..

Not all the comments visible when pulling a post using Facebook graph API iphone

http://stackoverflow.com/questions/4393137/not-all-the-comments-visible-when-pulling-a-post-using-facebook-graph-api-iphone

trust your comments array over the JSON comment count number where you can but at least it gets it right. I was grabbing the feed to get post_id's then grabbing each post individually to get the correct information. However just 2 days ago I.. JSON comment count number where you can but at least it gets it right. I was grabbing the feed to get post_id's then grabbing each post individually to get the correct information. However just 2 days ago I had some really funny stuff going on where..

How to detect circular gesture via Gesture Recognizer?

http://stackoverflow.com/questions/4600690/how-to-detect-circular-gesture-via-gesture-recognizer

improve this question Are you looking for a one touch gesture like a circular slider or a two touch gesture like grabbing and turning a real world knob If the latter take a look at UIRotationGestureRecognizer . If the former you're pretty much..

Can use AVCaptureVideoDataOutput and AVCaptureMovieFileOutput at the same time?

http://stackoverflow.com/questions/4944083/can-use-avcapturevideodataoutput-and-avcapturemoviefileoutput-at-the-same-time

share improve this question I can't answer the specific question put but I've been successfully recording video and grabbing frames at the same time using AVCaptureSession and AVCaptureVideoDataOutput to route frames into my own code AVAssetWriter..

How do you create a custom camera view, instead of UIImagePickerViewController?

http://stackoverflow.com/questions/5156417/how-do-you-create-a-custom-camera-view-instead-of-uiimagepickerviewcontroller

using UIImagePickerViewController for capturing from the camera but I'd like to customize the interface for grabbing from the camera such as adding some buttons. UIImagePickerViewController doesn't allow this directly so how would you create..

How can I change the image displayed in an UIImageView programmatically?

http://stackoverflow.com/questions/706240/how-can-i-change-the-image-displayed-in-an-uiimageview-programmatically

already then all you have to do is grab an image and call setImage on the receiver UIImageView . Two examples of grabbing an image are below. One from the Web and one you add to your Resources folder in Xcode. UIImage image UIImage alloc initWithData..

IOS: dynamic height with a custom uitableviewcell

http://stackoverflow.com/questions/7128215/ios-dynamic-height-with-a-custom-uitableviewcell

. This is how iOS knows the height of the entire table. It doesn't call tableView heightForRowAtIndexPath again when grabbing individual cells. Usually calling reloadData is quite quick and this method unlike its variants doesn't cause any scrolling...

iPhone Watermark on recorded Video.

http://stackoverflow.com/questions/7205820/iphone-watermark-on-recorded-video

in Advance. iphone watermark video watermarking share improve this question Use AVFoundation . I would suggest grabbing frames with AVCaptureVideoDataOutput then overlaying the captured frame with the watermark image and finally writing captured..

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

once. Your service requires SMS such that all users must provide their phone number Are you trying to automate grabbing the phone number or do you let the user enter it themselves Automatically grabbing the phone number through the private.. number Are you trying to automate grabbing the phone number or do you let the user enter it themselves Automatically grabbing the phone number through the private APIs or the non private but undocumented configuration data and sending that to a server..

iPhone take augmented reality screenshot with AVCaptureVideoPreviewLayer

http://stackoverflow.com/questions/8980847/iphone-take-augmented-reality-screenshot-with-avcapturevideopreviewlayer

time so there might be a better 5.0 way now but this is solid with over 1 million downloads. There is a function for grabbing a UIView based screen and one for grabbing an Open GLES1 screen ScreenCapture.m LiveEffectsCam Created by John Carter on.. but this is solid with over 1 million downloads. There is a function for grabbing a UIView based screen and one for grabbing an Open GLES1 screen ScreenCapture.m LiveEffectsCam Created by John Carter on 10 8 10. #import ScreenCapture.h #import QuartzCore..

NSDate, comparing two dates [duplicate]

http://stackoverflow.com/questions/9781467/nsdate-comparing-two-dates

or equal to predetermined time then fire this code. Or fire this line of code. Sounds simple but I am having trouble grabbing comparing the two times. I have formatted a string to a date like so NSString dateString @ 11 05 PM NSDateFormatter firstDateFormatter..

Reading HTML content from a UIWebView

http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview

EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString method as such NSString html..