stepango

private final PublishSubject<Void> viewClickedSubject = PublishSubject.create();
private final CompositeSubscription startStopCompositeSubscription = new CompositeSubscription();

@Override
protected void onStart() {
	super.onStart();
	
	view.setOnClickListener(v-> viewClickedSubject.onNext(null));

	Subscription subscription = viewClickedSubject

stepango

import android.animation.TypeEvaluator;
import android.animation.ValueAnimator;

import static java.lang.Math.pow;

public class GammaEvaluator implements TypeEvaluator {

    private static final GammaEvaluator sInstance = new GammaEvaluator();

    /**