Screen Capture View for iOS

Screen Capture View for iOS

Released 4 years ago , Last update 2 months ago

A UIView that records real-time video of sub-views by periodically sampling the display to create a snapshot screen images. Create an App video or screenshots quickly with or without audio. This package includes full source code and a working demo. Component is 100% App Store safe.

UIScreenCaptureView, a UIView subclass that records real-time video of subviews by periodically sampleing the display to create snapshot screen images. The sample/update rate can be configured (within reason) by setting the frameRate property. Can include audio for global sounds (app, microphone, etc) with recorded video.

Create a video of view, full screen with status bar or full screen without the status bar area. By default, the view and it's subviews are recorded. Get a screenshot at any time of a view, full screen with status area or full screen without status area.

By default, all screen snapshots are now done on a background thread to free up the UI main thread. A flag in UIScreenCaptureView class lets you switch between running snapshot on background or main thread.

This class can also be used to record real-time video of its subviews, using the startRecording and stopRecording methods. A new recording will overwrite any previously made recording file, so if you want to create multiple recordings per session (or across multiple sessions) then it is your responsibility to copy/back-up the recording output file after each session.

Sample Code

// Recording the screen
//
// Create screen capture view. Any subviews added to screen capture view will be recorded.
int captureViewWidth = self.view.width;
int captureViewHeight = self.view.height;
BOOL fullScreen = TRUE;
BOOL includeStatusBar = FALSE:
UIScreenCaptureView * screenCaptureView = [[UIScreenCaptureView alloc] initWithFrame:CGRectMake(0, 0, captureViewWidth, captureViewHeight)] parent:self fullscreen:fullscreen includeStatusBar:incldueStatusBar];

// Recording options:
[screenCaptureView includeAudio:TRUE]; // indicates audio
[screenCaptureView setFrameRate:15.0f]; // 15 frames per second (10 fps the default)
[screenCaptureView setOutputName:@"video.mp4"]; // output name (output.mp4 is the default)

[screenCaptureView setVerbose:TRUE]; // verbose debug mode
screenCaptureView.delegate = self; // implements UIScreenCaptureViewDelegate interface
self.view = screenCaptureView; // if make main view then add app subviews to it, can record the full app window. If you add the screenCaptureView as a subview of any of your windows, then only the subviews of the screenCaptureView are recorded. Note: Videos are currently is not recorded.

[screenCaptureView startRecording]; // verbose debug mode (false is default)

// Getting a screenshot of the screen
//
// Take screen snapshot and return the resulting image
UIImage * screenSnapshot = [UIScreenCaptureView takeScreenSnapshot];

// Take screen snapshot and save the resulting image to photos
[UIScreenCaptureView takeScreenSnapshotAndSave];

// Take a screenshot and include status bar area and return the resulting image
UIImage * screenSnapshotWithStatusBar = [UIScreenCaptureView takeScreenshotWithStatusBar;

// Take a screenshot and do not include status bar area and return the resulting image
UIImage * screenSnapshotNoStatusBar = [UIScreenCaptureView takeScreenSnapshotWithNoStatusBar;

// Take a screenshot of a UIView
UIImage * screenSnapshotForView = [UIScreenCaptureView takeScreenSnapshotOfView:theView];

Some Benefits

  • Take a screen snapshot and save to photos.    Includes UIView and it's subviews contents.
  • Create a video of your app
  • Create a video of a specific view in your app.
  • Create a video and include audio for global sounds such as app sounds, mic etc....
  • Create a video including full screen device area and status area.
  • Create a video including full screen device area and no status area.
  • Add screen capture video recording capability to any view in your app
  • Make the main view for your app to allow your app users to create videos on their own
  • Create screen snapshot images. Can access the individual screen capture images used to create the video.
  • Create screen snapshot. Periodically samples its current display to create a snapshot of the screen. So you do not have to even start recording to get screen snapshots. Use frameRate to adjust the sampling rate.
  • Create full-screen screen capture or video with or without the status area.
  • Get a screen capture of full screen with status area.
  • Get a screen capture of the full screen without status area.
  • Get a screen capture of a specific view.

New alternative methods that do not require adding UIScreenCaptureView as main view.
e.g.: [screenCaptureView startRecordingViewForTimePeriod:seconds view:self.view parent:self];

New static screenshot methods for just getting a screenshot image for an area of the screen.

Use UIScreenCaptureView like any UIView class and add views to record as subviews. If you would like to use the class to make a video of your app, make a UIScreenCaptureView the main view for your app. This way the recording will include all views in your app.

If you want to record a specific view only, then replace the view to record with a UIScreenCaptureView instance.

UIScreenCaptureView will make a recording of anything in it's subviews. Powerful and simple including audio, if desired.

It's tested and works well on iOS7, iOS8 and iOS9

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Pricing

14 day 14-day money-back guarantee

$9.99

Single App

  • Perpetual license

  • 1 application

  • Can distribute binary products only

  • Commercial use

  • 6 months support

$69.99

Developer

  • Perpetual license

  • Unlimited projects

  • Can distribute code and binary products

  • Commercial use

  • 12 months support

Supported OS & SDK Versions

  • ARC, iOS8+
  • Supported build target - iOS7, iOS8 and iOS9 / Mac OS 10.7 (Xcode 4.3.1, Apple LLVM compiler 3.1)
  • Earliest supported deployment target - iOS 6.1 / Mac OS 10.6
  • Earliest compatible deployment target - iOS 6.1 / Mac OS 10.6

NOTE: 'Supported' means that the library has been tested with this version. 'Compatible' means that the library should work on this OS version (i.e. it doesn't rely on any unavailable SDK features) but is no longer being tested for compatibility and may require tweaking or bug fixes to run correctly.

Installation

To install UIScreenCaptureView into your app, create a group named UIScreenCaptureView within your app project then drag the file from the ScreenCaptureView folder into the folder. Make sure that you indicate to copy the files into your project and set the target ownership of your app for all files copied.

You should copy these files: SystemUtilities.h, SystemUtiities.m, UIScreenCaptureView.h and UIScreenCaptureView.m

Usage

To use this class, you must link against the following frameworks:

  - AssetsLibrary
  - AVFoundation
  - CoreGraphics
  - CoreMedia
  - CoreVideo
  - QuartzCore
  - MediaPlayer

// see Demo Example in Examples/Demo folder for full example and source code

 // To use view to make a video of screen snapshots of you app.
 // First make your view the UIScreenCaptureView
 // then any view added to UIScreenCaptureView will included when recording…


  (void)viewDidLoad {
 [super viewDidLoad];

 // create screen capture view.   Any subviews added to screen capture view will be recorded.
 BOOL recordFullscreen = FALSE;    // turn on to capture fullscreen, otherwise view only
 BOOL recordStatusBar = FALSE;    // turn on to include status bar when capturing fullscreen
 BOOL recordAudio = FALSE;    // turn on to include audio for system sounds (app, mic, etc..)
 
UIScreenCaptureView * screenCaptureView = [[UIScreenCaptureView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] fullscreen:recordFullscreen includeStatusBar:recordStatusBar]; [screenCaptureView includeAudio:recordAudio]; // indicates whether to include audio or not [screenCaptureView setVerbose:verbose]; // verbose debug mode on/off screenCaptureView.delegate = self; // implements UIScreenCaptureViewDelegate interface self.view = screenCaptureView; // add your views to be recorded. If you do not want to make the screenCaptureView your main view, see ALTERNATIVE below [self.view addSubView:yourView]; // set some options [screenCaptureView setFrameRate:10.0f]; // 10 frames per seconds (10 frames is the default) adjust to control // sampling of screen captures used in making video. [screenCaptureView setOutputName:@"output1.mp4"]; // output name (output.mp4 is the default) [screenCaptureView setVerbose:false]; // verbose debug mode (false is default) // ALTERNATIVE: if you did not want to set a UIScreenCaptureView as your parent view, then you // can use this alternate recording method to record your main views components. // To use this method you do not need to do the [self.view addSubview:yourView] call above // as you will be providing self.view which is your current view used. // [screenCaptureView startRecordingViewForTimePeriod:seconds view:self.view parent:self]; // MANUAL RECORDING TIED TO BUTTONS if you want manual start recording by clicking a button, // then create a UIButton that calls startRecording method when clicked. Add another button // to call stopRecording // TIMED RECORDING: this test shows starting a timed recording for 20 seconds which records // a video of view added to screenCaptureView [NSThread detachNewThreadSelector:@selector(startRecordingForTimePeriodTestThread:) toTarget:self withObject:@""]; // can also use static methods to get a screen capture image // // fullscreen shot with no status bar UIImage * screenSnapshot = [UIScreenCaptureView takeScreenSnapshot]; NSLog(@"screenSnapshot is width %.0f X height %.0f", screenSnapshot.size.width, screenSnapshot.size.height); // fullscreen shot with status bar UIImage * screenSnapshotWithStatusBar = [UIScreenCaptureView takeScreenSnapshotWithStatusBar]; NSLog(@"screenSnapshot with status bar is width %.0f X height %.0f", screenSnapshotWithStatusBar.size.width, screenSnapshotWithStatusBar.size.height); // fullscreen shot with no status bar UIImage * screenSnapshotWithNoStatusBar = [UIScreenCaptureView takeScreenSnapshotWithNoStatusBar]; NSLog(@"screenSnapshot with no status bar is width %.0f X height %.0f", screenSnapshotWithNoStatusBar.size.width, screenSnapshotWithNoStatusBar.size.height); // screenshot of a view... UIImage * screenSnapshotOfView = [UIScreenCaptureView takeScreenSnapshotOfView:self.view]; NSLog(@"screenSnapshot of view is width %.0f X height %.0f", screenSnapshotOfView.size.width, screenSnapshotOfView.size.height); } // timed recording... (void)startRecordingForTimePeriodTestThread:(NSString *)arg { [NSThread sleepForTimeInterval:1]; [self performSelectorOnMainThread:@selector(startRecordingForTimePeriodTest:) withObject:@"" waitUntilDone:NO]; } (void)startRecordingForTimePeriodTest:(NSString *)arg { [self startRecordingForTimePeriod:20]; } (void)startRecordingForTimePeriod:(int)seconds { recordButton.hidden = TRUE; stopButton.hidden = TRUE; playIndex = 0; recordingSeconds = seconds; recordingTimer = [NSTimer scheduledTimerWithTimeInterval:1.0f target:self selector:@selector(recordingTimerElapsed:) userInfo:nil repeats:YES]; [screenCaptureView setFrameRate:10.0f]; // 10 frames per seconds (10 frames is the default) [screenCaptureView setOutputName:@"video.mp4"]; // output name (output.mp4 is the default) [screenCaptureView setVerbose:FALSE]; // verbose debug mode off // record any subview of screenCaptureView... //[screenCaptureView startRecordingForTimePeriod:seconds]; // record for N seconds // if you did not want to add a UIScreenCaptureView as your parent view, then you // can use this alternate recording method to record your main views components. // alternate method records any subview of self.view without having to // make screenCaptureView the parent view. Make sure the view passed is the main app view... // this is useful for adding app demo video recording to your app without modifying your view layout... [screenCaptureView startRecordingViewForTimePeriod:seconds view:self.view parent:self]; } (void)startRecording { recordButton.hidden = TRUE; stopButton.hidden = FALSE; playIndex = 0; recordingTimer = [NSTimer scheduledTimerWithTimeInterval:1.0f target:self selector:@selector(recordingTimerElapsed:) userInfo:nil repeats:YES]; [screenCaptureView setFrameRate:10.0f]; // 10 frames per seconds (10 frames is the default) [screenCaptureView setOutputName:@"video.mp4"]; // output name (output.mp4 is the default) [screenCaptureView setVerbose:FALSE]; // verbose debug mode off [screenCaptureView startRecording]; // verbose debug mode (false is default) } // outputPathOrNil has the local output path if successful or nil if an error occurred... (void)recordingFinished:(NSURL *)outputPathOrNil { if (outputPathOrNil != nil) { NSLog(@"local output filename is %@", outputPathOrNil); // save the created video to Photos... NSString * outputName = [outputPathOrNil path]; [screenCaptureView saveToPhotos:outputName target:self]; // ---- other options: // play recorded video // [screenCaptureView playVideo:outputPathOrNil parent:self]; // remove local copy // [screenCaptureView removeLocalCopyOfVideo:outputPathOrNil]; // ---- end other options } else NSLog(@"Error creating the video!"); } (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo { if (error != nil) NSLog(@"Try to saved video and got the error: %@", [error description]); } // Constructors: (id)initWithFrame:(CGRect)frame parent:(UIViewController *)parent; (id)initWithFrame:(CGRect)frame parent:(UIViewController *)parent fullscreen:(BOOL)_fullScreen includeStatusBar:(BOOL)includeStatusBar; // Static Methods: (UIImage *)takeScreenSnapshot;
[UIImage *)takeScreenSnapshotAndSave; (UIImage *)takeScreenSnapshotWithStatusBar; (UIImage *)takeScreenSnapshotWithNoStatusBar; (UIImage *)takeScreenSnapshotOfView:(UIView *)view; // Methods: (BOOL)startRecording; // start recording screen captures... (BOOL)startRecordingForTimePeriod:(int)seconds; // start recording screen captures for so many seconds... (BOOL)startRecordingView:(UIView *)view parent:(UIViewController *)_parent; // start recording screen captures for a view... (BOOL)startRecordingViewForTimePeriod:(int)seconds view:(UIView *)view parent:(UIViewController *)_parent; // start recording screen captures for so many seconds for a view... (void)stopRecording; // stop recording screen captures and save video... (UIImage *)screenCaptureView:(UIView *)view; // get screen capture image for a view (UIImage *)screenCaptureView2:(UIView *)view rect:(CGRect)rect; // get screen capture image for a specific area of a view (UIImage *)getCurrentScreenshot; (UIImage *)getScreenshotForView:(UIView *)view; (UIImage *)getImageForView:(UIView *)view usePresentationLayer:(BOOL)usePresentationLayer; (void)playVideo:(NSURL *)videoUrl parent:(UIViewController *)parent; // play a recorded view using the supplied view controller (BOOL)removeLocalCopyOfVideo:(NSURL *)localFile; // remove the local copy of a recorded video (void)setVerbose:(BOOL)verbose; // turn verbose mode on which displays more details when recording

Example Project Demo

The UIScreenCaptureViewDemo demo example in the Examples/Demo folder demonstrates how you might implement using UIScreenCaptureView.

The example is for iOS.

Additional Information

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  • JG Joe Gorecki License holderSingle App
    6 month support
    Purchased on Jan 11, 2016
    1 month ago
    Quick question -- any idea if this is app store safe? I was wondering if it uses an private apis.
    • Thomas A. Markel Publisher 5 days ago
      Yes 100% Apple App Store safe. I use it in a couple of my 'markelsoft' Apple App Store approved apps e.g. iMapMe and mText2Speech. The component does not not use any undocumented APIs which is what Apple is looking for and if found will reject your app. Actually use the component (same as on Binpress) in 6 of my 26 iOS apps. mText2speech - https://launchkit.io/websites/yAVT7Gdvzog/ iMapMe - https://launchkit.io/websites/Rq6nEuWXTng/ NOTE: I wouldn't create and sell an iOS component that wasn't App Store safe as I use all my components in my markelsoft apps. All my iOS components for sale on Binpress are ** App Store safe **
  • B Bobby 2 months ago
    Thomas. I want to capture screenshots of a GIF on regular interval. Suppose the GIF has 3 frames at frame-rate 0.2seconds. I want to capture all these frames with background image. Can I do that. With UIView I am not getting the layers. in the screenshot. Thanks
  • DE David Eberlein 3 months ago
    Hey Thomas, I have two questions to your librabry: 1.) Is based on one of these newer API methods or older techniques to generate the screenshot? - snapshotViewAfterScreenUpdates: - resizableSnapshotViewFromRect:afterScreenUpdates:withCapInsets: - drawViewHierarchyInRect:afterScreenUpdates: 2.) Is it possible to also capture popups like date / time / down - pickers with your library? Thanks, David