change: simple piechart example created
change: make comments more readable
change: add function to name the category on piechart
change: Keep Account Helper Project initiate
bug: fix px/dp display problem for PieChart
bug: fix dp/px display problem for Pie Chart
bug: fix can't center the custom view problem
bug: fix custom view can't be in the center problem
change: adjust piechart to display in center
change: add ViewPager and set basic layout for main page
change: add input dialog for keep account helper
change: add .gitignore
change: modify package name & app name
change: fix spending record input dialog
change: add basic input function to record input dialog
change: add records browsing view
bug: fix pageradapter caused crash
change: add record function--write to sqlite db
change: add function to update diagram based on DB data
bug: fix pie chart display problem - part1