HBButton.java 文件源码

private Animation generateLineBackRTLStep2(final RectF rectF) {
    final float currentLeft = rectF.left;
    final float currentRight = rectF.right;

    Animation animation = new Animation() {
        @Override
        protected void applyTransformation(float interpolatedTime, Transformation t) {
            super.applyTransformation(interpolatedTime, t);
            rectF.set(rectF.left, rectF.top, currentRight - (currentRight - currentLeft) * interpolatedTime, rectF.bottom);
            invalidate();
        }
    };
    animation.setDuration(getAnimationDuration() / 4);
    return animation;
}