Code example for ScrollView

Methods: getChildAt, getScrollY

0
			} 
		} 
		// 对于ScrollView 
		if (mScrollView != null) {
			// 子scroll view滑动到最顶端 
			View child = mScrollView.getChildAt(0);
			if (deltaY > 0 && mScrollView.getScrollY() == 0) {
				mPullState = PULL_DOWN_STATE;
				return true; 
			} else if (deltaY < 0
					&& child.getMeasuredHeight() <= getHeight()
							+ mScrollView.getScrollY()) {
				mPullState = PULL_UP_STATE;
				return true; 
			} 
		} 
		return false; 
	} 
 
	/** 
	 * header 准备刷新,手指移动过程,还没有释放