android - subtract minutes or hours from calculated time -

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i calculating time between 2 given dates. , saving lunch time can 1 hour , 45 minutes or more. lunch time saving hours in 1 variable , minutes in another.

let's worked time 11 hours , 0 minutes , lunch break 1 hour , 45 minutes. how subtract worked time 11 hour 9 hours , 15 minutes in case.

try :

int worktimehours = 11; int worktimeminutes = 0; int worktimesecs = 10; int time1 =  worktimehours*3600 + worktimeminutes*60+ worktimesecs;  int breaktimehours = 1; int breaktimeminutes = 45; int breaktimesecs = 11; int time2 = breaktimehours*3600 + breaktimeminutes*60+ breaktimesecs;  int timediff = time1 - time2;

this give time difference(timediff) in seconds can hours, minutes , secs!


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