TimeStamp

Feb 25, 2020

-- v0.3.0 --
Supports android 8 and 9.
Add themes.
Changed to display stamp button with icon.
Changed so that header date / time display can be hidden.
Improvement of export time format.

-- v0.3.3 --
Internal changes.
-- v0.3.4 --
Fixed crash when changing time zone.
Fixed a bug that the date range was changed automatically.