26 NOV Add support average duration graph
26 NOV Clean code
26 NOV Clean code2
26 NOV update ui
28 NOV refactoringCode
28 NOV refactoringCode2
28 NOV refactoringCode3
28 NOV refactoringCode4
28 NOV refactoringCode5
29 NOV refactoringCode6
30 NOV add Style BAR_LINE
30 NOV improve chart ui
30 NOV fix bug on chart ui ,degrade log and add cursor.close
30 NOV update chart ui and refactoring code
30 NOV update zoom and clean code
4 DEC simplify code and add Andrew's  Sort Method
8 DEC update settingActivity
8 DEC add package Collection