[BRLTTY] Android BRLTTY crashes + few other issues

[Dave Mielke]

[quoted lines by Robert Pösel on 2018/02/28 at 13:13 +0100]

>a) "D/org.a11y.brltty.android.UsbHelper(14245): permission already
>granted for USB device:" - https://pastebin.com/WA1Jn8f3
> - I see this after clean install without adding braille device

This log has been removed. It's not yet in the latest apk, though. That'll be 
done soon.

>b) "E/org.a11y.brltty.android.BluetoothConnection(13290): Bluetooth
>connect failed" - https://pastebin.com/h7BR0q18
> - I see this after I added braille device which is now offline

Unfortunately, it's as I suspected. Android doesn't make a special case for 
failing to see a device when trying to connect via Bluetooth. It throws just a 
plain old IOException, so I'm reluctant to hide this log. Perhaps it could be 
reduced to a debug log, though. I'm thinking about it.

>the "invalid escape sequence" and related errors, 

I'm unable to reproduce this one, and am, therefore, not sure why you're 
getting it. Could you try reproducing this one with brltty's log level set to 
debug?

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