fix alarm bug
basically finish
commit before modify structure
chage report track field storage from sharedpreference to db. for the bug should restart to get report track field
support float value for point chart
remove test code
add support for one value, line chart and point chart
add listener for review on advice page. fix bug finished plan been replaced by same plan request recently
commit before "back" function
add support for back function
add support for video download and reuse
remove test recovery code