question: reset the value of the odometer to zero . concode_field_sep double mValueSave concode_elem_sep GpsParams mGpsParams concode_elem_sep Preferences mPref concode_elem_sep double mValue concode_field_sep double getValue concode_elem_sep void updateValue concode_elem_sep void setPref
target: void function ( ) { if ( mPref != null ) { mValue = 0 ; mValueSave = 0 ; mGpsParams = null ; mPref . setOdometer ( mValue ) ; } }