Android Question How to open contact intent to add new from vcard

I has create barcode reader and for sample it can read vcard from qrcode image. How to add vcard data to contact from intent ?
I try code :
only open contact for search, when I click on add new, it show blank field not with telnumber from vcard data.
I read help from : https://stackoverflow.com/questions...on-android-no-activity-to-handle-intent-error
but dont know how to code into b4a.
Please help