question: private void updatePeriod ( ) { for ( int i = 0 ; i < mConversion . size ( ) ; i ++ ) { int dateType = mConversion . keyAt ( i ) ; TimePeriodSlider slider = mTimePeriodSliders . get ( dateType ) ; slider . setValue ( mPeriod . get ( mConversion . valueAt ( i ) ) ) ; } mTime . setText ( getFormattedPeriod ( ) ) ; mDuration = mPeriod . toStandardDuration ( ) ; doValidation ( ) ; }
target:  Updates the view to reflect changes in the period object