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How to call QR CODE reader from my app in android

This is a discussion on How to call QR CODE reader from my app in android within the Android OS forums, part of the Tech Support Forum category. I need to create button scan QR this button will call qr reader program to check image and then retrieve


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Old 05-16-2016, 04:13 AM   #1
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Join Date: Apr 2012
Posts: 16
OS: xp service pack 2



I need to create button scan QR this button will call qr reader program to check image and then retrieve message as url to web activity page
when i press in button
it will search for qr reader is installed in my mobile or not
IF qr reader installed in my mobile
open camera and check the image and then send the result
to web page activity as URL
IF qr reader not installed open google play to search and install in it
How i do that by code please help me
What i need actually by code
call program QR reader from my app
IF it is installed in my mobile
check image as this link
https://WWW-code-generator.com/
and send result words to web activity page as URL
IF it is not installed
go to google play to install it
can you help me in that by code
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