Android App's Dashboard Redesign

This is what a business in United States was looking for in their app design

We are redesigning our existing Android app (http://www.ovuview.com) to use Android's new Material Design guidelines (read more here: http://www.google.com/design/).

We would like to see new designs of the app's main screen (see ovuview_dashboard.png) from you.

The new dashboard screen design should:
A. follow Android's new Material Design guidelines
B. contain an actionbar at the top (with an icon for hints and a "hamburger menu icon" on the left)
C. contain 4 buttons to the app's other screens: 1. Edit today's symptoms, 2. Calendar view, 3. Timeline view, 4. Chart view. (Please, do not put the buttons into tabs, as we want to avoid putting tabs on other screens too)
D. keep the basic concept of the cycle wheel (circle/donut representing the days of cycle; distinguish passed/upcoming days of cycle; show current cycle day; show menses days/fertile days/ovulation day)
E. contain iconic or textual predictions of the number of days to the next menses… Read more