Android Scanner not working after SCREEN OFF

Android Scanner not working after SCREEN OFF M Mar Gur 3 years ago 91 2 0 Hello I follow the samples and have a working app to scan barcodes on two different activities. If the TC51 is connected via cable, everything is working fine. ) Scanning in Activity 1 ) Scanning in Activity 2 ) Screen OFF (hardware button: off) ) Screen ON (hardware button: on) ) Scanning in Activity 2 ) Scanning in Activity 1 => works If the TC51 is NOT connected via cable, after Screen ON event I get no scan result ) Scanning in Activity 1 ) Scanning in Activity 2 ) Screen OFF (hardware button: off) ) Screen ON (hardware button: on) ) Scanning in Activity 2 NOT WORKING scanner state log output seems to be correct ) Scanning in Activity 1 NOT WORKING scanner state log output seems to be correct If i have a valid scan i see two lights on top of the device (one smaller orange one, one bigger red one) If i turn the screen off without connected cable only the smaller organge one is visible - the other one is not working. To get the second one working I have to restart the app. What can be the reason for this behavior?

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2 Replies

M Matt Dermody 5 years ago

How are you handling scanner integration? DataWedge or the EMDK? You may consider switching to DataWedge based "integration" if using the EMDK.

M Mar Gur 5 years ago

Hello
Im using the EMDK.

I dont know if it is possible to use DataWedge for my use case (?)

I have to initiate the scan mechanism on two (or more) different screens by hardware button and  the user should not have to create a profile manually (only app install should be to do at users side)

Is this "orange light and no red light" thing a bug in EMDK?