@Overridepublic boolean onGenericMotionEvent(MotionEvent event) {
//The input source is a pointing device associated with a display.
//输入源为可显示的指针设备，如：mouse pointing device(鼠标指针),stylus pointing device(尖笔设备)if (0 != (event.getSource() & InputDevice.SOURCE_CLASS_POINTER)) {switch (event.getAction()) {// process the scroll wheel movement...处理滚轮事件case MotionEvent.ACTION_SCROLL://获得垂直坐标上的滚动方向,也就是滚轮向下滚if (event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0.0f) {LogUtils.d("fortest::onGenericMotionEvent down");}//获得垂直坐标上的滚动方向,也就是滚轮向上滚else {LogUtils.i("fortest::onGenericMotionEvent up");}return true;}}return super.onGenericMotionEvent(event);}