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

Example 86 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project SmoothRefreshLayout by dkzwm.

the class ScrollCompat method canAutoRefresh.

public static boolean canAutoRefresh(View view) {
    if (view instanceof AbsListView) {
        AbsListView listView = (AbsListView) view;
        final int lastVisiblePosition = listView.getLastVisiblePosition();
        final Adapter adapter = listView.getAdapter();
        return adapter != null && lastVisiblePosition == 0;
    } else {
        try {
            if (view instanceof RecyclerView) {
                RecyclerView recyclerView = (RecyclerView) view;
                RecyclerView.LayoutManager manager = recyclerView.getLayoutManager();
                if (manager == null)
                    return false;
                int firstVisiblePosition = -1;
                if (manager instanceof LinearLayoutManager) {
                    LinearLayoutManager linearManager = ((LinearLayoutManager) manager);
                    firstVisiblePosition = linearManager.findFirstVisibleItemPosition();
                } else if (manager instanceof StaggeredGridLayoutManager) {
                    StaggeredGridLayoutManager gridLayoutManager = (StaggeredGridLayoutManager) manager;
                    int[] firstPositions = new int[gridLayoutManager.getSpanCount()];
                    gridLayoutManager.findFirstVisibleItemPositions(firstPositions);
                    firstVisiblePosition = firstPositions[0];
                    for (int value : firstPositions) {
                        if (value == 0) {
                            firstVisiblePosition = 0;
                            break;
                        }
                    }
                }
                RecyclerView.Adapter adapter = recyclerView.getAdapter();
                return adapter != null && firstVisiblePosition == 0;
            }
        } catch (NoClassDefFoundError e) {
            e.printStackTrace();
        }
        return false;
    }
}

Example 87 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project android-advancedrecyclerview by h6ah4i.

the class DraggableStaggeredGridExampleFragment method onViewCreated.

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    // noinspection ConstantConditions
    mRecyclerView = getView().findViewById(R.id.recycler_view);
    mLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
    // drag & drop manager
    mRecyclerViewDragDropManager = new RecyclerViewDragDropManager();
    mRecyclerViewDragDropManager.setDraggingItemShadowDrawable((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z3));
    // Start dragging after long press
    mRecyclerViewDragDropManager.setInitiateOnLongPress(true);
    mRecyclerViewDragDropManager.setInitiateOnMove(false);
    mRecyclerViewDragDropManager.setLongPressTimeout(750);
    // adapter
    final DraggableStaggeredGridExampleAdapter myItemAdapter = new DraggableStaggeredGridExampleAdapter(getDataProvider());
    mAdapter = myItemAdapter;
    // wrap for dragging
    mWrappedAdapter = mRecyclerViewDragDropManager.createWrappedAdapter(myItemAdapter);
    final GeneralItemAnimator animator = new DraggableItemAnimator();
    mRecyclerView.setLayoutManager(mLayoutManager);
    // requires *wrapped* adapter
    mRecyclerView.setAdapter(mWrappedAdapter);
    mRecyclerView.setItemAnimator(animator);
    mRecyclerView.setHasFixedSize(false);
    // noinspection StatementWithEmptyBody
    if (supportsViewElevation()) {
    // Lollipop or later has native drop shadow feature. ItemShadowDecorator is not required.
    } else {
        mRecyclerView.addItemDecoration(new ItemShadowDecorator((NinePatchDrawable) ContextCompat.getDrawable(getContext(), R.drawable.material_shadow_z1)));
    }
    mRecyclerViewDragDropManager.attachRecyclerView(mRecyclerView);
// for debugging
// animator.setDebug(true);
// animator.setMoveDuration(2000);
}

Example 88 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project xRecyclerViewF by Dsiner.

the class XRecyclerView method onScrollStateChanged.

@Override
public void onScrollStateChanged(int state) {
    super.onScrollStateChanged(state);
    if (state == RecyclerView.SCROLL_STATE_IDLE && listener != null && !isLoadingData && canLoadMore) {
        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 && !isLoadMoreError && refreshHeader.getState() < ListState.STATE_REFRESHING) {
            loadMore();
        }
    }
}

Example 89 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project BaseRecyclerViewAdapter by donghan0912.

the class StaggeredFragment method onViewCreated.

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    SwipeRefreshLayout refreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swip_refresh);
    refreshLayout.setEnabled(false);
    RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.recycler_view);
    StaggeredGridLayoutManager manager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
    recyclerView.setLayoutManager(manager);
    for (int i = 0; i < 20; i++) {
        WQ wq = new WQ(getRandomHeight(), getDrawable());
        list.add(new FourthItem(wq));
    }
    final BaseRecyclerViewAdapter adapter = new BaseRecyclerViewAdapter(list);
    recyclerView.setAdapter(adapter);
    adapter.addHeader(new SimpleItem(R.layout.layout_staggered_head) {

        @Override
        public void onBindViewHolder(BaseViewHolder holder, int position) {
            StaggeredGridLayoutManager.LayoutParams p = (StaggeredGridLayoutManager.LayoutParams) holder.itemView.getLayoutParams();
            p.setFullSpan(true);
        }
    });
    // 设置加载更多布局，并占满整行
    adapter.setExtraItem(new SimpleItem(R.layout.layout_loadmore) {

        @Override
        public void onBindViewHolder(BaseViewHolder holder, int position) {
            StaggeredGridLayoutManager.LayoutParams p = (StaggeredGridLayoutManager.LayoutParams) holder.itemView.getLayoutParams();
            p.setFullSpan(true);
        }
    });
    recyclerView.addOnScrollListener(new EndlessRecyclerOnScrollListener() {

        @Override
        public void onLoadMore() {
            if (!loadMore) {
                return;
            }
            new Handler().postDelayed(new Runnable() {

                @Override
                public void run() {
                    new Handler().postDelayed(new Runnable() {

                        @Override
                        public void run() {
                            List<FourthItem> list2 = new ArrayList<>();
                            for (int i = 0; i < 21; i++) {
                                WQ wq = new WQ(getRandomHeight(), getDrawable());
                                list2.add(new FourthItem(wq));
                            }
                            list.addAll(list2);
                            if (list.size() > 70) {
                                adapter.setExtraItem(new SimpleItem(R.layout.layout_loadmore_complete) {

                                    @Override
                                    public void onBindViewHolder(BaseViewHolder holder, int position) {
                                        StaggeredGridLayoutManager.LayoutParams p = (StaggeredGridLayoutManager.LayoutParams) holder.itemView.getLayoutParams();
                                        p.setFullSpan(true);
                                    }
                                });
                                loadMore = false;
                            }
                            adapter.addData(list2);
                        }
                    }, 3000);
                }
            }, 3000);
        }
    });
}

Example 90 with StaggeredGridLayoutManager

use of android.support.v7.widget.StaggeredGridLayoutManager in project GomoTest by suReZj.

the class MainActivity method initView.

private void initView() {
    toolbar = (Toolbar) findViewById(R.id.activity_main_toolbar);
    toolbar.setTitleTextColor(getResources().getColor(R.color.white));
    setSupportActionBar(toolbar);
    recyclerView = (RecyclerView) findViewById(R.id.activity_main_recyclerView);
    layoutManager = new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);
    recyclerView.setLayoutManager(layoutManager);
    adapter = new main_recycle_adapter(list, MainActivity.this);
    recyclerView.setAdapter(adapter);
    pathList = DataSupport.findAll(ImagePath.class);
    setImage(page);
    springView = (SpringView) findViewById(R.id.activity_main_frame);
    springView.setFooter(new DefaultFooter(MainActivity.this));
// list.add("http://7xi8d6.com1.z0.glb.clouddn.com/2017-01-20-030332.jpg");
// list.add("http://7xi8d6.com1.z0.glb.clouddn.com/2017-02-27-tumblr_om1aowIoKa1qbw5qso1_540.jpg");
}