library/src/main/java/de/mrapp/android/view/drawable/CircularProgressDrawable.java
private void initializeSweepAnimator() {
        sweepAnimator = ObjectAnimator
                .ofFloat(this, createSweepProperty(), MAX_DEGREES - MIN_SWEEP_ANGLE * 2);
        sweepAnimator.setInterpolator(new DecelerateInterpolator());
        sweepAnimator.setDuration(SWEEP_ANIMATION_DURATION);
        sweepAnimator.setRepeatMode(ValueAnimator.RESTART);
        sweepAnimator.setRepeatCount(ValueAnimator.INFINITE);
        sweepAnimator.addListener(createSweepAnimatorListener());
    }
private void initializeSweepAnimator() {
        sweepAnimator = ObjectAnimator
                .ofFloat(this, createSweepProperty(), MAX_DEGREES - MIN_SWEEP_ANGLE * 2);
        sweepAnimator.setInterpolator(new DecelerateInterpolator());
        sweepAnimator.setDuration(SWEEP_ANIMATION_DURATION);
        sweepAnimator.setRepeatMode(ValueAnimator.RESTART);
        sweepAnimator.setRepeatCount(ValueAnimator.INFINITE);
        sweepAnimator.addListener(createSweepAnimatorListener());
    }
Initializes the sweep animator.