Initial commit of stats branch. TO-DO:
Display whole record file by table.
Display single record data file by figure. X-axis is for duration, Y-axis is for speed.
Add a currentDistance field to the temp file, aka, potential record data file.
Deal with the situation that if temp file doesn’t exist, do not write to record.
Merge branch 'path'
Merge branch 'master' into stats
edit some comments
Add a method to determine whether there is a tmp file.
Merge branch 'path' into stats
Alter README