if (fIsActive != isActive) { fIsActive= isActive; if (fIsActive) startCollectingProblems(); else stopCollectingProblems(); }
fIsActive= isActive;
			public void setIsActive(boolean isActive) {				if (fIsActive != isActive) {					fIsActive= isActive;					if (fIsActive)						startCollectingProblems();					else						stopCollectingProblems();				}			}