built addreading form
Move datetime code from MainActivity to AddReading
continue working on add reading xml
AddReading activity: add "add" and "back" buttons
Wire up add reading button to main activity
fix connection between AddReading and MainActivity
Got date and time pickers on AddReading working
got number picker working
changed variables in AddReading to private
saved a value to the database
get db working
Saving to database works
database works
useless commit
new test
ReadingAdapter class
ListView layout
column headers
Database to ListView adapter
ListView row layout