PLC Siemens VAT demo

Apr 9, 2018

version 1.7:
Fix scroll sensitivity

version 1.6:
For device with resolution above 720p:
Fix bugs cause by resolution.

version 1.5:
For android marshmallow and newer version:
Changed soft keyboard behavior when editing text.

version 1.4:
bugs fixed
demo version: previously max row can be read was 3, now is 4 row

version 1.3:
bugs fixed

version 1.2:
For android marshmallow and newer version:
Add permission request for Write/Read external storage.