I have a SocketMobile 7C series scanner paired with my Android tablet. I can open the Scan API object successfully and if I power cycle the scanner I get a device-arrived notification. However, if the scanner is already paired and powered on I don't get a device arrived notification.
How can I initiate a connection to the scanner from within the app?
If you are using the SDK on Android, the scanner should be initiating the SPP connection and it should only connect if the tablet is listening - ie the ScanAPI is open and initialized.
If the scanner connects before your application starts, I'd guess your scanner is either
still in HID mode1, you have not run EZPair to put the scanner in initiator mode, your application is leaking the ScanAPI object, or another application has the ScanAPI open.1 Reconnecting the scanner in HID mode while the ScanAPI was running caused both Bluetooth and my application to go bonkers. I did not receive a device arrival notification, so we can rule that out.