nestedScrollView.setOnScrollChangeListener(new View.OnScrollChangeListener() {
      @Override
      public void onScrollChange(View v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
 
      }
    });

public class MyScrollView extends NestedScrollView {
   private OnScrollChanged mOnScrollChanged;
  public MyScrollView(Context context) {
    this(context, null);
  }
  public MyScrollView(Context context, AttributeSet attributeSet) {
    this(context, attributeSet, 0);
  }
  public MyScrollView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
  }
  @Override
  protected void onScrollChanged(int l, int t, int oldl, int oldt) {
    super.onScrollChanged(l, t, oldl, oldt);
    if (mOnScrollChanged != null) {
      mOnScrollChanged.onScroll(l, t, oldl, oldt);
    }
  }
  public void setOnScrollChanged(OnScrollChanged onScrollChanged) {
    this.mOnScrollChanged = onScrollChanged;
  }
  public interface OnScrollChanged {
    void onScroll(int l, int t, int oldl, int oldt);
  }
}

public interface OnScrollChanged {
    void onScroll(int l, int t, int oldl, int oldt);
 
    void onTouch(boolean isDown);
  }

@Override
  public boolean onTouchEvent(MotionEvent ev) {
      switch (ev.getAction()) {
      case MotionEvent.ACTION_UP:
      case MotionEvent.ACTION_CANCEL:
        if (mOnScrollChanged != null) {
          mOnScrollChanged.onTouch(false);
        }
        break;
      case MotionEvent.ACTION_DOWN:
      case MotionEvent.ACTION_MOVE:
        if (mOnScrollChanged != null) {
          mOnScrollChanged.onTouch(true);
        }
        break;
    }
    return super.onTouchEvent(ev);
  }

//靜止?fàn)顟B(tài)
private final static int SCROLL_STATE_IDLE = 1;
//拖動(dòng)或者慣性滑動(dòng)狀態(tài)
private final static int SCROLL_STATE_SCROLL = 2;
 
//判斷是否是拖動(dòng)狀態(tài)
boolean isDragState = false;
 
int currentState = SCROLL_STATE_IDLE;
 
//這里采用100ms來判斷是否已經(jīng)是靜止?fàn)顟B(tài)，100ms結(jié)束后證明是靜止?fàn)顟B(tài)
private CountDownTimer scrollCountTimer = new CountDownTimer(100, 1) {
    @Override
    public void onTick(long millisUntilFinished) {
 
    }
 
    @Override
    public void onFinish() {
      setScrollState(SCROLL_STATE_IDLE);
    }
};
 
private void initScrollView() {
    scrollView.setOnScrollChanged(new MyScrollView.OnScrollChanged() {
      @Override
      public void onScroll(int l, int t, int oldl, int oldt) {
        if (isDragState) {//拖動(dòng)狀態(tài)單獨(dú)處理不再進(jìn)行滾動(dòng)狀態(tài)監(jiān)測(cè)
          return;
        }
        //滑動(dòng)時(shí)先取消倒計(jì)時(shí)，設(shè)置滑動(dòng)狀態(tài)
        scrollCountTimer.cancel();
        if(currentState != SCROLL_STATE_SCROLL) {
          setScrollState(SCROLL_STATE_SCROLL);
        }
        scrollCountTimer.start();
      }
 
      @Override
      public void onTouch(boolean isDown) {
        isDragState = isDown;
        //我這里把按下的狀態(tài)默認(rèn)為了滾動(dòng)的狀態(tài)，當(dāng)然你也可以分開定義
        if (isDown) {
          scrollCountTimer.cancel();
          setScrollState(SCROLL_STATE_SCROLL);
        } else {
          scrollCountTimer.start();
        }
      }
});
//最后記得頁面銷毀時(shí)，cancel掉timer