question: @ Override public void onNestedPreScroll ( View target , int dx , int dy , int [ ] consumed ) { if ( ( ! mPullRefreshEnable && ! mPullLoadEnable ) ) { return ; } if ( Math . abs ( dy ) > 200 ) { return ; } if ( ! isConfirm ) { if ( dy < 0 && ! canChildScrollUp ( ) ) { mCurrentAction = PULL_REFRESH ; isConfirm = true ; } else if ( dy > 0 && ! canChildScrollDown ( ) ) { mCurrentAction = LOAD_MORE ; isConfirm = true ; } } if ( moveSpinner ( - dy ) ) { consumed [ 1 ] += dy ; } }
target:  With child view to processing move events