Re: How to record screen in iOS

[Alex Zavatone]

On Jan 22, 2016, at 1:03 PM, Hunter Hillegas wrote:

> You can (we have done this) but using the public API (even with the iOS 7 
> improvements to getting the screen), this doesn’t give you great FPS on 
> anything but the latest hardware.
> 

Ahhh, well, I remember like 2 years ago searching video feeds for people's 
heads and loading a 720p video on an olden iPad, I was able to get about 20 - 
24 FPS doing on the fly face detection using the iOS 7 libs and AVFoundation.  
Even when using the two cameras, we were able to get a good enough frame rate.

Didn't bother trying to handle audio as well.

I think that's the case though.  What's "good enough" for the frame rate?

Sounds like something fun to try, assuming the OP has vast amounts of spare 
time to try it out.

>> On Jan 22, 2016, at 9:59 AM, Alex Zavatone  wrote:
>> 
>> As somewhat of a cheesy hack, can't you capture the desired views or window 
>> content as bitmaps on schedule and queue them for processing to a file or 
>> set of files to be converted into a video?
>> 
>> If it's not your app that you want the client to record, couldn't you make 
>> an SDK for game vendors to adopt?
>> 
>> I realize I'm way out here in "speculation land™" with this gross 
>> assumption, but we certainly use the front and back cameras with 
>> AVFoundation at a decent FPS.  I wonder if you could redirect the screen 
>> buffer to take the place of one of the camera feeds.  
>> 
> 


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Re: How to record screen in iOS

[Alex Zavatone]

As somewhat of a cheesy hack, can't you capture the desired views or window 
content as bitmaps on schedule and queue them for processing to a file or set 
of files to be converted into a video?

If it's not your app that you want the client to record, couldn't you make an 
SDK for game vendors to adopt?

I realize I'm way out here in "speculation land™" with this gross assumption, 
but we certainly use the front and back cameras with AVFoundation at a decent 
FPS.  I wonder if you could redirect the screen buffer to take the place of one 
of the camera feeds.  



On Jan 22, 2016, at 12:50 PM, Clark S. Cox III wrote:

> Unfortunately, what you ask is not possible. There are ways for your app to 
> record *itself* (e.g. through ReplayKit), and there are ways for a connected 
> computer to record the screen of any running app (e.g. through QuickTime 
> Player). But there is no way for your app to record *another* app that you 
> didn't develop.
> 
>> On Jan 22, 2016, at 03:41, ico  wrote:
>> 
>> The reason that not to use ReplayKit is simple, if the user play a game
>> without ReplayKit feature then they can not record the video.
>> If I can implement an app for recording, then users can do it no matter
>> what game they play.
>> 
>> Actually I am not asking how to do this for a game I develop, I just want
>> to build a website that user can upload their video for playing game
>> (probably because users want to show how skilful they are) . The app is the
>> tool so they can make the video.
>> 
>> 
>> 
>> On Fri, 22 Jan 2016 at 13:55 David Brittain  wrote:
>> 
>>> If a 3rd party solution will meet your needs the take a look at
>>> https://lookback.io
>>> 
>>> Dave
>>> 
>>> On 21 January 2016 at 19:14, Alex Kac  wrote:
 Is there a reason you can’t use ReplayKit:
 
 
>>> https://developer.apple.com/library/ios/documentation/ReplayKit/Reference/RPScreenRecorder_Ref/index.html#//apple_ref/occ/cl/RPScreenRecorder
 
 I’ve been thinking of exploring this for support purposes (i.e let the
>>> user hit a button to record the screen and send us the video), but to be
>>> honest I haven’t even spent 2 seconds looking at ReplayKit beyond what I
>>> saw at WWDC…so not sure if that’s possible.
 
> On Jan 21, 2016, at 7:45 PM, ico  wrote:
> 
> Hi,
> I know I can do this with QuickTime, but the problem is you need a
>>> computer
> with you to do so, I want the users can do it whenever they want.
> ReplayKit maybe the choice, I will take a look.
> 
> For the sandboxing reason, I know it possibly not to get it done.
>>> However,
> what if there is some dark magic like private API, I use them to develop
> the app and not to upload it
> to app store, I just distribute the app to the users who want to use
>>> it, is
> there any chance?
> 
> Thank you.
> 
> 
> On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
> wrote:
> 
>> Building a general purpose iOS app to do this is not possible for
>> sandboxing/privacy reasons.
>> 
>> For your own apps, you can embed ReplayKit or you can connect to the
>>> Mac
>> and use QuickTime to record the screen.
>> 
>>> On Jan 20, 2016, at 1:21 AM, ico  wrote:
>>> 
>>> Hi All,
>>> Is it possible to develop an app that can run in the background and
>> record
>>> the user's device screen. For example, user can use this app to
>>> record a
>>> video how they play a game and post the video on the web etc.
>>> 
>>> Anyone can point me to the right direction to get it done?
>>> Thanks a lot.
>> 
>> 
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Re: How to record screen in iOS

[Hunter Hillegas]

You can (we have done this) but using the public API (even with the iOS 7 
improvements to getting the screen), this doesn’t give you great FPS on 
anything but the latest hardware.

> On Jan 22, 2016, at 9:59 AM, Alex Zavatone  wrote:
> 
> As somewhat of a cheesy hack, can't you capture the desired views or window 
> content as bitmaps on schedule and queue them for processing to a file or set 
> of files to be converted into a video?
> 
> If it's not your app that you want the client to record, couldn't you make an 
> SDK for game vendors to adopt?
> 
> I realize I'm way out here in "speculation land™" with this gross assumption, 
> but we certainly use the front and back cameras with AVFoundation at a decent 
> FPS.  I wonder if you could redirect the screen buffer to take the place of 
> one of the camera feeds.  
> 


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Re: How to record screen in iOS

[ico]

The reason that not to use ReplayKit is simple, if the user play a game
without ReplayKit feature then they can not record the video.
If I can implement an app for recording, then users can do it no matter
what game they play.

Actually I am not asking how to do this for a game I develop, I just want
to build a website that user can upload their video for playing game
(probably because users want to show how skilful they are) . The app is the
tool so they can make the video.



On Fri, 22 Jan 2016 at 13:55 David Brittain  wrote:

> If a 3rd party solution will meet your needs the take a look at
> https://lookback.io
>
> Dave
>
> On 21 January 2016 at 19:14, Alex Kac  wrote:
> > Is there a reason you can’t use ReplayKit:
> >
> >
> https://developer.apple.com/library/ios/documentation/ReplayKit/Reference/RPScreenRecorder_Ref/index.html#//apple_ref/occ/cl/RPScreenRecorder
> >
> > I’ve been thinking of exploring this for support purposes (i.e let the
> user hit a button to record the screen and send us the video), but to be
> honest I haven’t even spent 2 seconds looking at ReplayKit beyond what I
> saw at WWDC…so not sure if that’s possible.
> >
> >> On Jan 21, 2016, at 7:45 PM, ico  wrote:
> >>
> >> Hi,
> >> I know I can do this with QuickTime, but the problem is you need a
> computer
> >> with you to do so, I want the users can do it whenever they want.
> >> ReplayKit maybe the choice, I will take a look.
> >>
> >> For the sandboxing reason, I know it possibly not to get it done.
> However,
> >> what if there is some dark magic like private API, I use them to develop
> >> the app and not to upload it
> >> to app store, I just distribute the app to the users who want to use
> it, is
> >> there any chance?
> >>
> >> Thank you.
> >>
> >>
> >> On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
> >> wrote:
> >>
> >>> Building a general purpose iOS app to do this is not possible for
> >>> sandboxing/privacy reasons.
> >>>
> >>> For your own apps, you can embed ReplayKit or you can connect to the
> Mac
> >>> and use QuickTime to record the screen.
> >>>
>  On Jan 20, 2016, at 1:21 AM, ico  wrote:
> 
>  Hi All,
>  Is it possible to develop an app that can run in the background and
> >>> record
>  the user's device screen. For example, user can use this app to
> record a
>  video how they play a game and post the video on the web etc.
> 
>  Anyone can point me to the right direction to get it done?
>  Thanks a lot.
> >>>
> >>>
> >>> ___
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> >
> >
> > Alex Kac - El capitán
> >
> >
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>
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> da...@paperetto.com
>
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Re: How to record screen in iOS

[Jens Alfke]

> On Jan 21, 2016, at 6:45 PM, ico  wrote:
> 
> For the sandboxing reason, I know it possibly not to get it done. However,
> what if there is some dark magic like private API

The list moderators won’t allow discussion of private APIs on an Apple forum. 
You’ll be warned, and then banned.

Honestly, making your users go through all the work of building the app 
themselves and loading it onto their device seems much more troublesome than 
having them simply plug their phone into a computer to record the screen.

—Jens

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Re: How to record screen in iOS

[Clark S. Cox III]

Unfortunately, what you ask is not possible. There are ways for your app to 
record *itself* (e.g. through ReplayKit), and there are ways for a connected 
computer to record the screen of any running app (e.g. through QuickTime 
Player). But there is no way for your app to record *another* app that you 
didn't develop.

> On Jan 22, 2016, at 03:41, ico  wrote:
> 
> The reason that not to use ReplayKit is simple, if the user play a game
> without ReplayKit feature then they can not record the video.
> If I can implement an app for recording, then users can do it no matter
> what game they play.
> 
> Actually I am not asking how to do this for a game I develop, I just want
> to build a website that user can upload their video for playing game
> (probably because users want to show how skilful they are) . The app is the
> tool so they can make the video.
> 
> 
> 
> On Fri, 22 Jan 2016 at 13:55 David Brittain  wrote:
> 
>> If a 3rd party solution will meet your needs the take a look at
>> https://lookback.io
>> 
>> Dave
>> 
>> On 21 January 2016 at 19:14, Alex Kac  wrote:
>>> Is there a reason you can’t use ReplayKit:
>>> 
>>> 
>> https://developer.apple.com/library/ios/documentation/ReplayKit/Reference/RPScreenRecorder_Ref/index.html#//apple_ref/occ/cl/RPScreenRecorder
>>> 
>>> I’ve been thinking of exploring this for support purposes (i.e let the
>> user hit a button to record the screen and send us the video), but to be
>> honest I haven’t even spent 2 seconds looking at ReplayKit beyond what I
>> saw at WWDC…so not sure if that’s possible.
>>> 
 On Jan 21, 2016, at 7:45 PM, ico  wrote:
 
 Hi,
 I know I can do this with QuickTime, but the problem is you need a
>> computer
 with you to do so, I want the users can do it whenever they want.
 ReplayKit maybe the choice, I will take a look.
 
 For the sandboxing reason, I know it possibly not to get it done.
>> However,
 what if there is some dark magic like private API, I use them to develop
 the app and not to upload it
 to app store, I just distribute the app to the users who want to use
>> it, is
 there any chance?
 
 Thank you.
 
 
 On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
 wrote:
 
> Building a general purpose iOS app to do this is not possible for
> sandboxing/privacy reasons.
> 
> For your own apps, you can embed ReplayKit or you can connect to the
>> Mac
> and use QuickTime to record the screen.
> 
>> On Jan 20, 2016, at 1:21 AM, ico  wrote:
>> 
>> Hi All,
>> Is it possible to develop an app that can run in the background and
> record
>> the user's device screen. For example, user can use this app to
>> record a
>> video how they play a game and post the video on the web etc.
>> 
>> Anyone can point me to the right direction to get it done?
>> Thanks a lot.
> 
> 
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>>> 
>>> 
>>> Alex Kac - El capitán
>>> 
>>> 
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>> 
>> 
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>> da...@paperetto.com
>> 
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Please do 

Re: How to record screen in iOS

[ico]

Hi,
I know I can do this with QuickTime, but the problem is you need a computer
with you to do so, I want the users can do it whenever they want.
ReplayKit maybe the choice, I will take a look.

For the sandboxing reason, I know it possibly not to get it done. However,
what if there is some dark magic like private API, I use them to develop
the app and not to upload it
to app store, I just distribute the app to the users who want to use it, is
there any chance?

Thank you.


On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
wrote:

> Building a general purpose iOS app to do this is not possible for
> sandboxing/privacy reasons.
>
> For your own apps, you can embed ReplayKit or you can connect to the Mac
> and use QuickTime to record the screen.
>
> > On Jan 20, 2016, at 1:21 AM, ico  wrote:
> >
> > Hi All,
> > Is it possible to develop an app that can run in the background and
> record
> > the user's device screen. For example, user can use this app to record a
> > video how they play a game and post the video on the web etc.
> >
> > Anyone can point me to the right direction to get it done?
> > Thanks a lot.
>
>
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Re: How to record screen in iOS

[Doug Hill]

Hello,

The feature you’re proposing sounds like malware to me, or could easily be 
repurposed for malware. Discussing ways to do this with undocumented APIs is 
borderline ethical and probably not acceptable use on an official Apple mailing 
list.

I think the real answer is there’s no documented way to do this and almost 
certainly isn’t a feature you can legitimately implement on iOS.

Doug


> On Jan 21, 2016, at 6:45 PM, ico  wrote:
> 
> Hi,
> I know I can do this with QuickTime, but the problem is you need a computer
> with you to do so, I want the users can do it whenever they want.
> ReplayKit maybe the choice, I will take a look.
> 
> For the sandboxing reason, I know it possibly not to get it done. However,
> what if there is some dark magic like private API, I use them to develop
> the app and not to upload it
> to app store, I just distribute the app to the users who want to use it, is
> there any chance?
> 
> Thank you.
> 
> 
> On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
> wrote:
> 
>> Building a general purpose iOS app to do this is not possible for
>> sandboxing/privacy reasons.
>> 
>> For your own apps, you can embed ReplayKit or you can connect to the Mac
>> and use QuickTime to record the screen.
>> 
>>> On Jan 20, 2016, at 1:21 AM, ico  wrote:
>>> 
>>> Hi All,
>>> Is it possible to develop an app that can run in the background and
>> record
>>> the user's device screen. For example, user can use this app to record a
>>> video how they play a game and post the video on the web etc.
>>> 
>>> Anyone can point me to the right direction to get it done?
>>> Thanks a lot.


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Re: How to record screen in iOS

[Alex Kac]

Is there a reason you can’t use ReplayKit:

https://developer.apple.com/library/ios/documentation/ReplayKit/Reference/RPScreenRecorder_Ref/index.html#//apple_ref/occ/cl/RPScreenRecorder

I’ve been thinking of exploring this for support purposes (i.e let the user hit 
a button to record the screen and send us the video), but to be honest I 
haven’t even spent 2 seconds looking at ReplayKit beyond what I saw at WWDC…so 
not sure if that’s possible. 

> On Jan 21, 2016, at 7:45 PM, ico  wrote:
> 
> Hi,
> I know I can do this with QuickTime, but the problem is you need a computer
> with you to do so, I want the users can do it whenever they want.
> ReplayKit maybe the choice, I will take a look.
> 
> For the sandboxing reason, I know it possibly not to get it done. However,
> what if there is some dark magic like private API, I use them to develop
> the app and not to upload it
> to app store, I just distribute the app to the users who want to use it, is
> there any chance?
> 
> Thank you.
> 
> 
> On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
> wrote:
> 
>> Building a general purpose iOS app to do this is not possible for
>> sandboxing/privacy reasons.
>> 
>> For your own apps, you can embed ReplayKit or you can connect to the Mac
>> and use QuickTime to record the screen.
>> 
>>> On Jan 20, 2016, at 1:21 AM, ico  wrote:
>>> 
>>> Hi All,
>>> Is it possible to develop an app that can run in the background and
>> record
>>> the user's device screen. For example, user can use this app to record a
>>> video how they play a game and post the video on the web etc.
>>> 
>>> Anyone can point me to the right direction to get it done?
>>> Thanks a lot.
>> 
>> 
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Alex Kac - El capitán


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Re: How to record screen in iOS

[David Brittain]

If a 3rd party solution will meet your needs the take a look at
https://lookback.io

Dave

On 21 January 2016 at 19:14, Alex Kac  wrote:
> Is there a reason you can’t use ReplayKit:
>
> https://developer.apple.com/library/ios/documentation/ReplayKit/Reference/RPScreenRecorder_Ref/index.html#//apple_ref/occ/cl/RPScreenRecorder
>
> I’ve been thinking of exploring this for support purposes (i.e let the user 
> hit a button to record the screen and send us the video), but to be honest I 
> haven’t even spent 2 seconds looking at ReplayKit beyond what I saw at 
> WWDC…so not sure if that’s possible.
>
>> On Jan 21, 2016, at 7:45 PM, ico  wrote:
>>
>> Hi,
>> I know I can do this with QuickTime, but the problem is you need a computer
>> with you to do so, I want the users can do it whenever they want.
>> ReplayKit maybe the choice, I will take a look.
>>
>> For the sandboxing reason, I know it possibly not to get it done. However,
>> what if there is some dark magic like private API, I use them to develop
>> the app and not to upload it
>> to app store, I just distribute the app to the users who want to use it, is
>> there any chance?
>>
>> Thank you.
>>
>>
>> On Thu, 21 Jan 2016 at 00:41 Hunter Hillegas 
>> wrote:
>>
>>> Building a general purpose iOS app to do this is not possible for
>>> sandboxing/privacy reasons.
>>>
>>> For your own apps, you can embed ReplayKit or you can connect to the Mac
>>> and use QuickTime to record the screen.
>>>
 On Jan 20, 2016, at 1:21 AM, ico  wrote:

 Hi All,
 Is it possible to develop an app that can run in the background and
>>> record
 the user's device screen. For example, user can use this app to record a
 video how they play a game and post the video on the web etc.

 Anyone can point me to the right direction to get it done?
 Thanks a lot.
>>>
>>>
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Re: How to record screen in iOS

[Hunter Hillegas]

Building a general purpose iOS app to do this is not possible for 
sandboxing/privacy reasons.

For your own apps, you can embed ReplayKit or you can connect to the Mac and 
use QuickTime to record the screen.

> On Jan 20, 2016, at 1:21 AM, ico  wrote:
> 
> Hi All,
> Is it possible to develop an app that can run in the background and record
> the user's device screen. For example, user can use this app to record a
> video how they play a game and post the video on the web etc.
> 
> Anyone can point me to the right direction to get it done?
> Thanks a lot.


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How to record screen in iOS

[ico]

Hi All,
Is it possible to develop an app that can run in the background and record
the user's device screen. For example, user can use this app to record a
video how they play a game and post the video on the web etc.

Anyone can point me to the right direction to get it done?
Thanks a lot.
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Re: How to record screen in iOS

[vavelinkevin]

I'm not sure that Apple will allow it but you have ReplayKit to broadcast your 
game now on iOS ;)

Kevin Vavelin
Developer

On 20 Jan 2016 10:21 +0100, ico, wrote:
> Hi All,
> Is it possible to develop an app that can run in the background and record
> the user's device screen. For example, user can use this app to record a
> video how they play a game and post the video on the web etc.
> 
> Anyone can point me to the right direction to get it done?
> Thanks a lot.
> ___
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Re: How to record screen in iOS

[Jonathan Hull]

Believe it or not, you can do it with Quicktime player.  There is a little 
downward facing triangle next to the record button, and if you have your 
iPhone/iPad plugged in, it will show them as potential recording sources…

Thanks,
Jon

> On Jan 20, 2016, at 1:21 AM, ico  wrote:
> 
> Hi All,
> Is it possible to develop an app that can run in the background and record
> the user's device screen. For example, user can use this app to record a
> video how they play a game and post the video on the web etc.
> 
> Anyone can point me to the right direction to get it done?
> Thanks a lot.
> ___
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> 
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