super.onScrollChanged(l, t, oldl, oldt);

float scale= l * 1.0f / Menu_width;

// float menuscale=0.7f +0.3f * scale;

float contentScale=0.86f +0.2f * scale;

ViewHelper.setTranslationX(mMenu,scale*Menu_width);

//设置了中心点的坐标

ViewHelper.setPivotX(mContent, 0);

ViewHelper.setPivotY(mContent, mContent.getHeight()/2);

ViewHelper.setScaleX(mContent, contentScale);

ViewHelper.setScaleY(mContent, contentScale);

以上是我的onscarollchanged函数