Not able to add image in Digital signature field in Android

Product:Pdftron SDK android

Product Version:9.2.3

Please give a brief summary of your issue:
I am not able to add images in signature field.when clicked on add image icon signature tool closes. below code is my toolmanager and i am also attaching image

val mToolManager = ToolManagerBuilder.from()
.build(this@DocumentViewerActivity, pdfViewCtrl)


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Please provide a link to a minimal sample where the issue is reproducible:

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You will need to add setAdvancedAnnotationListener to your toolManager and handle the callback from onActivityResult.

Here is a sample:

Could you please give this a try to see if it works?