ilhamitubagoes/rfid_gun: Application to check RFID cards used by security guards @ 51139531dcb84976d63979554e9d75a615bbb880

ilhamitubagoes 51139531dc -fixing null when get alert type		%!s(int64=4) %!d(string=hai) anos
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androidTest	948974a796 first commit	%!s(int64=5) %!d(string=hai) anos
main	51139531dc -fixing null when get alert type	%!s(int64=4) %!d(string=hai) anos
test	948974a796 first commit	%!s(int64=5) %!d(string=hai) anos