QR Code Reader for android, ios?

[Tom Glod]

Thanks Klaus, I suppose the name threw me off.
"Nah I don't need to read barcodes" ...lol
Thank you.

Mike, thank you for confirming that it works fine on iOS....
Very thoughtful of you to include some code.
I will rewrite it for my customer, but this saved me lots of time thank you.

Mark this one [solved]. YES. MergeAV and Android barcode scanner., code
sample included.




On Sat, Feb 19, 2022 at 11:52 AM Mike Kerner via use-livecode <
use-livecode at lists.runrev.com> wrote:

> for ios use mergav. it works great
> on ios when prompted, the user has to permit both the camera and the
> microphone.
>
>
> here's some code to help get you going
> check for typos, i had to modify mine to make it more generic
>
> on scanCredentials
>    global barcodeTarget
>    if not(barcodePermissionsGranted()) then exit scanCredentials
>    put the long name of me into barcodeTarget
>    barcodeScannerStart "org.iso.QRCode" #when we get something back,
> scanReturned will be called
>    unlock screen
> end scanCredentials
>
>
>
> function barcodePermissionsGranted
>    global videoAccessGranted, audioAccessGranted
>    put empty into videoAccessGranted
>    put empty into audioAccessGranted
>    #get permission for the camera and microphone
>    if the environment is not "mobile" then return false
>    mergavrequestmediaaccess "video"
>    mergavrequestmediaaccess "audio"
>    repeat until videoAccessGranted is not empty and audioAccessGranted is
> not empty # sit until we get the answers we seek
>       wait 10 milliseconds with messages
>    end repeat #until videoAccessGranted is not empty and audioAccessGranted
> is not empty
>    return videoaccessGranted and audioaccessgranted
> end barcodePermissionsGranted
>
>
>
> on barcodeScannerStart symbology
>    if the environment is not "mobile" then exit barcodeScannerStart
>    mobileBusyIndicatorStart "square","Starting Scanner",70
>    wait 10 milliseconds with messages
>    put mergAVCamBarcodeTypes() into supportedSymbologies
>    if symbology is empty or symbology is "All" then
>       put supportedSymbologies into symbology #allow everything.
>    else if symbology is not in supportedSymbologies then #if it's empty
> then assume "All"
>       beep
>       answer "The app wants to use a barcode symbology that isn't supported
> "&symbology&"."
>       exit barcodeScannerStart
>    end if #symbology is not in supportedSymbologies
>    barcodeScanner symbology
> end barcodeScannerStart
>
>
>
> on mergAVMediaAccess pType, pGranted
>    global videoAccessGranted, audioAccessGranted
>    if not pGranted then
>       if pType is "audio" then
>          put "microphone" into device
>          put "Microphone" into panel
>       else #video
>          put "camera" into device
>          put "Camera" into panel
>       end if #pType is "audio"
>       mobilebusyindicatorstop
>       put false into videoAccessGranted # nuke both because proceeding is
> out.
>       put false into audioAccessGranted # nuke both because proceeding is
> out.
>       answer "Please grant access to the"&&device&&"in the Settings app,
> under Privacy ->"&&panel
>       exit to top
>    else #granted - only set the one that was granted, don't do any funky
> resets, or anything.
>       if pType is "audio" then
>          put true into audioAccessGranted
>       else #video
>          put true into videoAccessGranted
>       end if #pType is "audio"
>       # added and removed...if audioAccessGranted and videoAccessGranted
> then barcodeScanner symbology
>    end if #not pGranted
> end mergAVMediaAccess
>
>
>
> on barcodeScanner symbology
>    global barcodeScannerIsLive
>    mobileBusyIndicatorStart "square","Starting Scanner",70
>    mergavcamcreate
>    put the result into theResult
>    if theResult is not empty then
>       mobileBusyIndicatorStop
>       answer "Scanner not created:"&&theResult
>       exit barcodeScanner
>    end if #the result is not empty
>    try
>       mergAVCamSet "rect",the rect of grc "cam"
>    catch e
>       mobileBusyIndicatorStop
>       answer e
>       exit barcodeScanner
>    end try
>    try
>       mergAVCamSet "visible","true"
>    catch e
>       mobileBusyIndicatorStop
>       answer e
>       exit barcodeScanner
>    end try
>    try
>       mergAVCamSet "quality","high"
>    catch e
>       mobileBusyIndicatorStop
>       answer e
>       exit barcodeScanner
>    end try
>    mobileBusyIndicatorStop
>
>    put mergavcamget("max zoom") into theZoom
>    try
>       mergavcamset "zoom",theZoom
>    catch e
>       mobileBusyIndicatorStop
>       answer e
>       exit barcodeScanner
>    end try
>    mergAVCamStartBarcodeReader symbology
>    put true into barcodeScannerIsLive
> end barcodeScanner
>
>
>
> on mergAVCamBarcodeFound pBarcode, pType
>    global barcodeTarget
>    dispatch "scanReturned" to barcodeTarget with pBarcode
> end mergAVCamBarcodeFound
>
>
>
> on stopBarcodeScanner
>    global barcodeScannerIsLive
>    if not barcodeScannerIsLive then exit stopBarcodeScanner # or will throw
> an error
>    mergAVCamStopBarcodeReader
>    mergAVCamDelete
>    put false into barcodeScannerIsLive
> end stopBarcodeScanner
>
> On Sat, Feb 19, 2022 at 11:05 AM Klaus major-k via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
> > Hi Tom,
> >
> > > Am 19.02.2022 um 17:00 schrieb Tom Glod via use-livecode <
> > use-livecode at lists.runrev.com>:
> > >
> > > Hi Folks,
> > >
> > > I've done some searches and its still not clear to me, a lot of old
> posts
> > > and no clear answer that I found that I can be sure applies in 2022.
> > >
> > > Do we have a working QR code reader library. widget, external?
> > > For android? ios?
> > > I don't mind paying for it.
> > >
> > > I know for desktop I can probably use the browser widget with the
> camera,
> > > and some JS library.
> > > But has anyone successfully integrated a reader into a mobile app?
> >
> > yes, check "Android Barcode Library" in the dictionary.
> > Works fine on Android, no idea about iOS, sorry.
> > But maybe some of the MERGEXT... externals will do the job.
> >
> > > Thanks,
> > >
> > > Tom
> >
> > Best
> >
> > Klaus
> >
> > --
> > Klaus Major
> > https://www.major-k.de
> > https://www.major-k.de/bass
> > klaus at major-k.de
> >
> >
> > _______________________________________________
> > use-livecode mailing list
> > use-livecode at lists.runrev.com
> > Please visit this url to subscribe, unsubscribe and manage your
> > subscription preferences:
> > http://lists.runrev.com/mailman/listinfo/use-livecode
> >
>
>
> --
> On the first day, God created the heavens and the Earth
> On the second day, God created the oceans.
> On the third day, God put the animals on hold for a few hours,
>    and did a little diving.
> And God said, "This is good."
> _______________________________________________
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
>