本文整理汇总了Java中android.support.v7.widget.GridLayoutManager.findFirstCompletelyVisibleItemPosition方法的典型用法代码示例。如果您正苦于以下问题：Java GridLayoutManager.findFirstCompletelyVisibleItemPosition方法的具体用法？Java GridLayoutManager.findFirstCompletelyVisibleItemPosition怎么用？Java GridLayoutManager.findFirstCompletelyVisibleItemPosition使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.support.v7.widget.GridLayoutManager的用法示例。
在下文中一共展示了GridLayoutManager.findFirstCompletelyVisibleItemPosition方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doClickOtherToNavigation
import android.support.v7.widget.GridLayoutManager; //导入方法依赖的package包/类
private void doClickOtherToNavigation(ViewGroup parent, int position, MyViewHolder myHolder) {
RecyclerView recyclerView = (RecyclerView) parent;
LayoutManager manager = recyclerView.getLayoutManager();
View currentView = manager.findViewByPosition(myHolder.getAdapterPosition());
View preTargetView = manager.findViewByPosition(this.mTopSize);
GridLayoutManager gridLayoutManager = (GridLayoutManager) manager;
int spanCount = gridLayoutManager.getSpanCount();
int targetPosition = this.mTopSize + 1;
if (recyclerView.indexOfChild(preTargetView) >= 0) {
int targetX = preTargetView.getLeft();
int targetY = preTargetView.getTop();
if ((targetPosition - 1) % spanCount == 0) {
View targetView = manager.findViewByPosition(targetPosition);
targetX = targetView.getLeft();
targetY = targetView.getTop();
} else {
targetX += preTargetView.getWidth() + UIsUtils.dipToPx(TitleBar.SHAREBTN_RIGHT_MARGIN);
if (gridLayoutManager.findLastVisibleItemPosition() == getItemCount() - 1 && (((getItemCount() - 1) - this.mTopSize) - 2) % spanCount == 0) {
if (gridLayoutManager.findFirstVisibleItemPosition() != 0) {
targetY += preTargetView.getHeight() + UIsUtils.dipToPx(TitleBar.SHAREBTN_RIGHT_MARGIN);
} else if (gridLayoutManager.findFirstCompletelyVisibleItemPosition() != 0) {
targetY += (-recyclerView.getChildAt(0).getTop()) - recyclerView.getPaddingTop();
}
}
}
moveOtherToMy(myHolder);
startAnimation(recyclerView, currentView, (float) targetX, (float) targetY);
return;
}
moveOtherToMy(myHolder);
int index = (this.mTopSize % spanCount) - 1;
if (index < 0) {
index = spanCount - 1;
}
startAnimation(recyclerView, currentView, (float) ((currentView.getWidth() * index) + (index == 0 ? 0 : (index - 1) * UIsUtils.dipToPx(TitleBar.SHAREBTN_RIGHT_MARGIN))), 0.0f);
}
示例2: onScrolled
import android.support.v7.widget.GridLayoutManager; //导入方法依赖的package包/类
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
int lastItem = 0;
int firstItem = 0;
RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
int totalItemCount = layoutManager.getItemCount();
if (layoutManager instanceof GridLayoutManager) {
GridLayoutManager gridLayoutManager = ((GridLayoutManager) layoutManager);
firstItem = gridLayoutManager.findFirstCompletelyVisibleItemPosition();
//Position to find the final item of the current LayoutManager
lastItem = gridLayoutManager.findLastCompletelyVisibleItemPosition();
if (lastItem == -1) lastItem = gridLayoutManager.findLastVisibleItemPosition();
} else if (layoutManager instanceof LinearLayoutManager) {
LinearLayoutManager linearLayoutManager = ((LinearLayoutManager) layoutManager);
firstItem = linearLayoutManager.findFirstCompletelyVisibleItemPosition();
lastItem = linearLayoutManager.findLastCompletelyVisibleItemPosition();
if (lastItem == -1) lastItem = linearLayoutManager.findLastVisibleItemPosition();
} else if (layoutManager instanceof StaggeredGridLayoutManager) {
StaggeredGridLayoutManager staggeredGridLayoutManager = ((StaggeredGridLayoutManager) layoutManager);
// since may lead to the final item has more than one StaggeredGridLayoutManager the particularity of the so here that is an array
// this array into an array of position and then take the maximum value that is the last show the position value
int[] lastPositions = new int[((StaggeredGridLayoutManager) layoutManager).getSpanCount()];
staggeredGridLayoutManager.findLastCompletelyVisibleItemPositions(lastPositions);
lastItem = findMax(lastPositions);
firstItem = staggeredGridLayoutManager.findFirstVisibleItemPositions(lastPositions)[0];
}
if (firstItem == 0 || firstItem == RecyclerView.NO_POSITION) {
if (mPullLoadMoreRecyclerView.getPullRefreshEnable())
mPullLoadMoreRecyclerView.setSwipeRefreshEnable(true);
} else {
mPullLoadMoreRecyclerView.setSwipeRefreshEnable(false);
}
if (mPullLoadMoreRecyclerView.getPushRefreshEnable()
&& !mPullLoadMoreRecyclerView.isRefresh()
&& mPullLoadMoreRecyclerView.isHasMore()
&& (lastItem == totalItemCount - 1)
&& !mPullLoadMoreRecyclerView.isLoadMore()
&& (dx > 0 || dy > 0)) {
mPullLoadMoreRecyclerView.setIsLoadMore(true);
mPullLoadMoreRecyclerView.loadMore();
}
}