ScreenCapturerAndroid class in Chromium dev release does not appear in libjingle_peerconnection_java

[Joseph]

Hi

I'm interested in testing the Android screen capturing functionality added in https://codereview.webrtc.org/2276593003/

I've downloaded the latest Chromium dev channel release (version  55.0.2882.4) and I can see the ScreenCapturerAndroid.java file in the Android API code.

However when I build the Android webrtc  components I do not see the ScreenCapturerAndroid class file in the built libjingle_peerconnection_java.jar file.

Can anyone tell me why its in the source but it's not being packaged into the jar file ?

Regards

Joseph.

[Kushtrim Pacaj]

I went through the configuration files to try and find a reason why it was excluded but no dice. Opened a bug report here.

If you want just to test it out the functionality before this is fixed, remove the .jar from you project, and import the source files directly into your project ( the org.webrtc package ).

To make it work in my case, I also had to disable an OpenGL error checker, or else it'd crash.

But ultimately, the feature works, I was able to successfully share the screen of my phone. 

[Henrik Kjellander]

I assigned the bug to sakal. If it works I don't see we wouldn't add it but maybe there's another reason?

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[Kushtrim Pacaj]

Forgot to tell what was I disabled, that used to crash.

It was the exception throwing inside GlUtil.checkNoGLES2Error. The cause of the exception should probably be dealt with, but as a workaround, it worked even if there is a GL error.

On Thursday, October 13, 2016 at 4:56:40 PM UTC+2, Henrik Kjellander wrote:

I assigned the bug to sakal. If it works I don't see we wouldn't add it but maybe there's another reason?

On Oct 13, 2016 00:58, "Kushtrim Pacaj" <kushtr...@gmail.com> wrote:

I went through the configuration files to try and find a reason why it was excluded but no dice. Opened a bug report here.

If you want just to test it out the functionality before this is fixed, remove the .jar from you project, and import the source files directly into your project ( the org.webrtc package ).

To make it work in my case, I also had to disable an OpenGL error checker, or else it'd crash.

But ultimately, the feature works, I was able to successfully share the screen of my phone. 

On Monday, October 10, 2016 at 7:05:46 AM UTC+2, Joseph wrote:

Hi

I'm interested in testing the Android screen capturing functionality added in https://codereview.webrtc.org/2276593003/

I've downloaded the latest Chromium dev channel release (version  55.0.2882.4) and I can see the ScreenCapturerAndroid.java file in the Android API code.

However when I build the Android webrtc  components I do not see the ScreenCapturerAndroid class file in the built libjingle_peerconnection_java.jar file.

Can anyone tell me why its in the source but it's not being packaged into the jar file ?

Regards

Joseph.

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[RWebRTC]

May be you can try: https://github.com/RWebRTC/WebRTC-Android-Learn/tree/master/RAppRTC/screencapture/src/main/java/org/webrtc.

Not by Google, until Google fix the bug.

[RWebRTC]

Just For Android.

On Monday, 10 October 2016 13:05:46 UTC+8, Joseph wrote:

[Kushtrim Pacaj]

Check the issue tracker. It was just fixed.

On Monday, October 10, 2016 at 7:05:46 AM UTC+2, Joseph wrote:

[Chen Cong]

Hi,

I am confuse about how to use "ScreenCapturerAndroid" class. Can you give me a demo?

-Chen

Thanks

在 2016年10月19日星期三 UTC+8下午6:02:42，Kushtrim Pacaj写道：

[Kushtrim Pacaj]

First you need to request from the user to allow your app to record the screen ( via the MediaProjectionAPI, available only from 5.0 and above). Sample code would be:

 MediaProjectionManager mediaProjectionService = (MediaProjectionManager) context.getSystemService(Context.MEDIA_PROJECTION_SERVICE);
 Intent screenCaptureIntent = mediaProjectionService.createScreenCaptureIntent();
 startActivityForResult(screenCaptureIntent,42);

Then:

public void onActivityResult(int requestCode, int resultCode, Intent data) {
 if ( requestCode == 42 && resultCode == Activity.RESULT_OK){
       // use the intent data.

       VideoCapturer capturer = new ScreenCapturerAndroid(data, new MediaProjection.Callback() {

                @Override

                public void onStop() {

                    super.onStop();

                    Log.d("VideoCapturer", "MediaProjection Callback onStop");

                }

            });
      // from here on, it's the same as if you were using camera. Use this capturer to create a video source, that to create a video track

 }

[Chen Cong]

Got it. Thank you very much.

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