public void setEnterDuration(float factor) {
        if (factor > 0) {
            mEnterAnimate.mDuration = (int) (factor * ANIM_ENTER_DURATION);
        }
    }
Set the touch animation duration.
This setting about enter animation.
<p/>
Default:
EnterDuration: 280ms
FactorRate: 1.0
<p/>
This set will calculation: factor * duration
This factor need > 0

@param factor Touch duration rate
caprice/ui/src/main/java/net/qiujuer/genius/ui/drawable/TouchEffectDrawable.java