public void animateToNormal() {
        mReverse = true;
        unscheduleSelf(mUpdater);
        if (mCurrentScale > 0) {
            mRunning = true;
            mAnimationInitialValue = mCurrentScale;
            float durationFactor = 1f - mCurrentScale;
            mDuration = ANIMATION_DURATION - (int) (ANIMATION_DURATION * durationFactor);
            mStartTime = SystemClock.uptimeMillis();
            scheduleSelf(mUpdater, mStartTime + FRAME_DURATION);
        } else {
            notifyFinishedToListener();
        }
    }
The two colors that will be used for the seek thumb.

@param startColor Color used for the seek thumb
@param endColor   Color used for popup indicator
caprice/ui/src/main/java/net/qiujuer/genius/ui/drawable/BalloonMarkerDrawable.java