Examples with StaggeredGridLayoutManager android.support.v7.widget.StaggeredGridLayoutManager used on opensource projects

Example 21 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project CloudReader by youlookwhat.

the class XRecyclerView method onScrollStateChanged.

@Override
public void onScrollStateChanged(int state) {
    super.onScrollStateChanged(state);
    if (state == RecyclerView.SCROLL_STATE_IDLE && mLoadingListener != null && !isLoadingData && loadingMoreEnabled) {
        LayoutManager layoutManager = getLayoutManager();
        int lastVisibleItemPosition;
        if (layoutManager instanceof GridLayoutManager) {
            lastVisibleItemPosition = ((GridLayoutManager) layoutManager).findLastVisibleItemPosition();
        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
            int[] into = new int[((StaggeredGridLayoutManager) layoutManager).getSpanCount()];
            ((StaggeredGridLayoutManager) layoutManager).findLastVisibleItemPositions(into);
            lastVisibleItemPosition = findMax(into);
        } else {
            lastVisibleItemPosition = ((LinearLayoutManager) layoutManager).findLastVisibleItemPosition();
        }
        if (layoutManager.getChildCount() > 0 && lastVisibleItemPosition >= layoutManager.getItemCount() - 1 && layoutManager.getItemCount() > layoutManager.getChildCount() && !isnomore && mRefreshHeader.getState() < YunRefreshHeader.STATE_REFRESHING) {
            View footView = mFootViews.get(0);
            isLoadingData = true;
            if (footView instanceof LoadingMoreFooter) {
                ((LoadingMoreFooter) footView).setState(LoadingMoreFooter.STATE_LOADING);
            } else {
                footView.setVisibility(View.VISIBLE);
            }
            if (isNetWorkConnected(getContext())) {
                mLoadingListener.onLoadMore();
            } else {
                postDelayed(new Runnable() {

                    @Override
                    public void run() {
                        mLoadingListener.onLoadMore();
                    }
                }, 1000);
            }
        }
    }
}

Example 22 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project weex-example by KalicyZhou.

the class WXRecyclerViewOnScrollListener method onScrolled.

@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
    super.onScrolled(recyclerView, dx, dy);
    RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
    IOnLoadMoreListener l;
    if ((l = listener.get()) != null) {
        l.onBeforeScroll(dx, dy);
    }
    //  int lastVisibleItemPosition = -1;
    if (layoutManagerType == null) {
        if (layoutManager instanceof LinearLayoutManager) {
            layoutManagerType = LAYOUT_MANAGER_TYPE.LINEAR;
        } else if (layoutManager instanceof GridLayoutManager) {
            layoutManagerType = LAYOUT_MANAGER_TYPE.GRID;
        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
            layoutManagerType = LAYOUT_MANAGER_TYPE.STAGGERED_GRID;
        } else {
            throw new RuntimeException("Unsupported LayoutManager used. Valid ones are LinearLayoutManager, GridLayoutManager and StaggeredGridLayoutManager");
        }
    }
    switch(layoutManagerType) {
        case LINEAR:
            lastVisibleItemPosition = ((LinearLayoutManager) layoutManager).findLastVisibleItemPosition();
            listener.get().notifyAppearStateChange(((LinearLayoutManager) layoutManager).findFirstVisibleItemPosition(), lastVisibleItemPosition, dx, dy);
            break;
        case GRID:
            lastVisibleItemPosition = ((GridLayoutManager) layoutManager).findLastVisibleItemPosition();
            break;
        case STAGGERED_GRID:
            StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
            if (lastPositions == null) {
                lastPositions = new int[staggeredGridLayoutManager.getSpanCount()];
            }
            staggeredGridLayoutManager.findLastVisibleItemPositions(lastPositions);
            lastVisibleItemPosition = findMax(lastPositions);
            break;
    }
}

Example 23 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project easy by MehdiBenmesa.

the class Utils method scrollTo.

public static void scrollTo(Object scroll, float yOffset) {
    if (scroll instanceof RecyclerView) {
        //RecyclerView.scrollTo : UnsupportedOperationException
        //Moved to the RecyclerView.LayoutManager.scrollToPositionWithOffset
        //Have to be instanceOf RecyclerView.LayoutManager to work (so work with RecyclerView.GridLayoutManager)
        final RecyclerView.LayoutManager layoutManager = ((RecyclerView) scroll).getLayoutManager();
        if (layoutManager instanceof LinearLayoutManager) {
            LinearLayoutManager linearLayoutManager = (LinearLayoutManager) layoutManager;
            linearLayoutManager.scrollToPositionWithOffset(0, (int) -yOffset);
        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
            StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
            staggeredGridLayoutManager.scrollToPositionWithOffset(0, (int) -yOffset);
        }
    } else if (scroll instanceof NestedScrollView) {
        ((NestedScrollView) scroll).scrollTo(0, (int) yOffset);
    }
}

Example 24 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project wh-app-android by WhiteHouse.

the class FeedItemListFragment method onCreateLayoutManager.

@Override
public RecyclerView.LayoutManager onCreateLayoutManager() {
    Resources res = getResources();
    int feedGridCols = res.getInteger(R.integer.feed_grid_columns);
    int photoGridCols = res.getInteger(R.integer.photo_grid_columns);
    switch(mFeedType) {
        case TYPE_PHOTOS:
            return new StaggeredGridLayoutManager(photoGridCols, VERTICAL);
        case TYPE_VIDEOS:
            return new GridLayoutManager(getActivity(), feedGridCols);
        case TYPE_LIVE:
            return new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false);
        case TYPE_ARTICLE:
        default:
            return new StaggeredGridLayoutManager(feedGridCols, VERTICAL);
    }
}

Example 25 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project Douya by DreaminginCodeZH.

the class BaseBroadcastListFragment method onActivityCreated.

@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    CustomTabsHelperFragment.attachTo(this);
    mBroadcastListResource = onAttachBroadcastListResource();
    mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

        @Override
        public void onRefresh() {
            onSwipeRefresh();
        }
    });
    mBroadcastList.setHasFixedSize(true);
    mBroadcastList.setItemAnimator(new NoChangeAnimationItemAnimator());
    // Always use StaggeredGridLayoutManager so that instance state can be saved.
    Activity activity = getActivity();
    int columnCount = CardUtils.getColumnCount(activity);
    mBroadcastList.setLayoutManager(new StaggeredGridLayoutManager(columnCount, StaggeredGridLayoutManager.VERTICAL));
    mBroadcastAdapter = new BroadcastAdapter(mBroadcastListResource.get(), this);
    mAdapter = new LoadMoreAdapter(R.layout.load_more_card_item, mBroadcastAdapter);
    mBroadcastList.setAdapter(mAdapter);
    final AppBarHost appBarHost = (AppBarHost) getParentFragment();
    mBroadcastList.addOnScrollListener(new OnVerticalScrollWithPagingTouchSlopListener(activity) {

        @Override
        public void onScrolled(int dy) {
            if (!RecyclerViewUtils.hasFirstChildReachedTop(mBroadcastList)) {
                onShow();
            }
        }

        @Override
        public void onScrolledUp() {
            onShow();
        }

        private void onShow() {
            appBarHost.showAppBar();
            mSendFab.show();
        }

        @Override
        public void onScrolledDown() {
            if (RecyclerViewUtils.hasFirstChildReachedTop(mBroadcastList)) {
                appBarHost.hideAppBar();
                mSendFab.hide();
            }
        }

        @Override
        public void onScrolledToBottom() {
            mBroadcastListResource.load(true);
        }
    });
    updateRefreshing();
    CheatSheetUtils.setup(mSendFab);
    mSendFab.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View view) {
            onSendBroadcast();
        }
    });
}