2014/10/15 下午 10:15:17

iphone Programming Glossary: uigetscreenimage

http://stackoverflow.com/questions/10669222/take-screenshot-of-the-window

which allows you to take a screenshot of the entire screen i.e. with the status bar . There is a private method though UIGetScreenImage which allows you to use achieve this functionality. But since it's a private method you will get your app rejected if you..

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

Recorder claims to be able to record the screen of an iOS device even while it is in the background. Given that UIGetScreenImage is private API and will lead to a rejection on application submission when detected by the static analysis Apple runs how.. IOIteratorNext IORegistryEntryCreateCFProperty IOObjectRelease System Library Frameworks UIKit.framework UIKit UIGetScreenImage System Library PrivateFrameworks IOMobileFramebuffer.framework IOMobileFramebuffer IOMobileFramebufferOpen IOMobileFramebufferGetLayerDefaultSurface.. suspicion was correct it is using IOSurface to sneak past sandbox restrictions to have raw screen access. It also uses UIGetScreenImage which I assume is for the second method of generating video. It also uses some IOKit functions and IOMobileFramebuffer functions...

Capture iPhone screen with status bar included?

http://stackoverflow.com/questions/1291110/capture-iphone-screen-with-status-bar-included

iPhone: Get camera preview

http://stackoverflow.com/questions/1317978/iphone-get-camera-preview

brings the same results than the following solution which takes a 'screenshot' of the current screen extern CGImageRef UIGetScreenImage CGImageRef cgoriginal UIGetScreenImage CGImageRef cgimg CGImageCreateWithImageInRect cgoriginal rect UIImage viewImage UIImage.. solution which takes a 'screenshot' of the current screen extern CGImageRef UIGetScreenImage CGImageRef cgoriginal UIGetScreenImage CGImageRef cgimg CGImageCreateWithImageInRect cgoriginal rect UIImage viewImage UIImage imageWithCGImage cgimg CGImageRelease..

takepicture() vs UIGetScreenImage()

http://stackoverflow.com/questions/1531815/takepicture-vs-uigetscreenimage

vs UIGetScreenImage I'm trying to build a QRCodeReader for a project our research group is working on for the iPhone. After much research I.. for QRCodes. What it appears to do is load the UIImagePicker and read off data from the camera. I suspect it is using UIGetScreenImage and taking a screenshot from the camera and decoding it. Now I tried using the new takepicture method from the 3.1 iPhone.. seems not to be able to do what the above does which is take photos every second or so silently. Now I had heard that UIGetScreenImage is perhaps not legal and that Apple will turn around and deny access to your App if they use it. So my questions are a Is..

Dim iPhone Screen, but don't let it sleep

http://stackoverflow.com/questions/1961783/dim-iphone-screen-but-dont-let-it-sleep

setBacklightLevel 0.3f or whatever value works but is of course undocumented. The recent experience with UIGetScreenImage indicates that perhaps the right strategy with useful but undocumented APIs is to use them and see what happens. Failing..

Overriding iPhone shutter sound through SDK

http://stackoverflow.com/questions/2247227/overriding-iphone-shutter-sound-through-sdk

this question I am quite certain it's not possible. AFAIK Red Laser doesn't actually take a normal picture but uses UIGetScreenImage undocumented but nevertheless allowed for App Store apps to make a screenshot of the live video feed. Since the OS does..

iPhone - is it IMPOSSIBLE to grab the contents of a CALayers composition?

http://stackoverflow.com/questions/2289948/iphone-is-it-impossible-to-grab-the-contents-of-a-calayers-composition

Within the confines of the iPhone SDK there is no way to do this. You can grab the contents of the screen with UIGetScreenImage or use CALayer renderInContext to have a layer draw into a CGContext but forcing the GPU to composite only a subset of layers..

AVCaptureVideoPreviewLayer: taking a snapshot

http://stackoverflow.com/questions/3397899/avcapturevideopreviewlayer-taking-a-snapshot

camera and picture camera. Another option would be to use only the camera output AVCaptureStillImageOutput and use UIGetScreenImage to get a screen capture of the phone. You could then crop out the controls and leave only the image. This gets complicated..

Get the screenshot of a streaming video on iphone

http://stackoverflow.com/questions/5388226/get-the-screenshot-of-a-streaming-video-on-iphone

of a streaming video on iphone How can i get the screenshot of a streaming video on iphone. I tried several methods. UIGetScreenImage This is private. The app will be rejected if I use it. UIGraphicsBeginImageContext CGSizeMake 1024 768 self.view.layer renderInContext..

take screen Programmatically of UIview+glview

http://stackoverflow.com/questions/6197137/take-screen-programmatically-of-uiviewglview

it's pretty tricky to get a screenshot nowadays especially when you're mixing the UIKit and OpenGL ES there used to be UIGetScreenImage but Apple made it private again and is rejecting apps that use it. Instead there are two solutions to replace it Screen..

Where are iOS 5 simulator screenshots stored?

http://stackoverflow.com/questions/8286120/where-are-ios-5-simulator-screenshots-stored

files anywhere you decide. If you have saved a screenshot to the Photos library from within your app for example with UIGetScreenImage and UIImageWriteToSavedPhotosAlbum they end up at ~ Library Application Support iPhone Simulator version Media DCIM 100APPLE..