android.support.v7.widget.StaggeredGridLayoutManager#HORIZONTAL

Source File: LRecyclerView.java From luckly_recyclerview with MIT License

5 votes

/**
 * 判断是否是最后一列
 * 为什么要判断StaggeredGridLayoutManager？
 * 这里需要注意的是StaggeredGridLayoutManager构造的第二个参数传一个orientation，
 * 如果传入的是StaggeredGridLayoutManager.VERTICAL那么前面那个参数就代表有多少列；
 * 如果传是StaggeredGridLayoutManager.HORIZONTAL那么前面那个参数就代表有多少行
 *
 * @param spanCount
 * @param position
 * @param childCount
 * @param recyclerView
 * @return
 */
private boolean isLastColumn(int spanCount, int position, int childCount, RecyclerView recyclerView) {
    LayoutManager layoutManager = recyclerView.getLayoutManager();
    //如果有headerView那就不一样咯
    if (position >= mWrapAdapter.getHeaderCount()) {
        if (layoutManager instanceof GridLayoutManager) {
            if ((position - mWrapAdapter.getHeaderCount() + 1) % spanCount == 0) {
                return true;
            }
        }

    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        int orientation = ((StaggeredGridLayoutManager) layoutManager).getOrientation();
        if (orientation == StaggeredGridLayoutManager.HORIZONTAL) {
            //判断是否是最后一列
            childCount = childCount - childCount % spanCount;
            if (position >= childCount) {
                return true;
            }
        } else {
            if ((position + 1) % spanCount == 0) {
                return true;
            }
        }
    }

    return false;
}

Source File: TitanRecyclerView.java From TitanRecyclerView with MIT License

5 votes

/**
 * 处理水平loadmoreview
 */
private void setupLoadMore() {

    boolean isHorizonal = false;

    if (getLayoutManager() instanceof LinearLayoutManager) {
        isHorizonal = ((LinearLayoutManager) getLayoutManager()).getOrientation() == LinearLayoutManager.HORIZONTAL;
    } else if (getLayoutManager() instanceof StaggeredGridLayoutManager) {
        isHorizonal = ((StaggeredGridLayoutManager) getLayoutManager()).getOrientation() == StaggeredGridLayoutManager.HORIZONTAL;
    }

    mLoadMoreResourceId = R.layout.layout_default_more_view == mLoadMoreResourceId && isHorizonal ? R.layout.layout_default_horizontal_more_view : R.layout.layout_default_more_view;
}

Source File: StaggeredGridActivity.java From TvRecyclerView with Apache License 2.0

5 votes

@Override
protected RecyclerView.LayoutManager getLayoutManager() {
    if ("0".equals(mIsVertical)) {
        return new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.HORIZONTAL);
    } else {
        ViewGroup.LayoutParams layoutParams =
                mTvRecyclerView.getLayoutParams();
        layoutParams.width = ViewUtils.dpToPx(this, 886f);
        mTvRecyclerView.setLayoutParams(layoutParams);
        return new StaggeredGridLayoutManager(4, StaggeredGridLayoutManager.VERTICAL);
    }
}

Source File: OperationManager.java From TvRecyclerView with Apache License 2.0

5 votes

public int calcMoveNum(int moveDirection) {
    RecyclerView.LayoutManager layoutManager =
            mRecyclerView.getLayoutManager();
    if (layoutManager instanceof GridLayoutManager) {
        if (((GridLayoutManager) layoutManager).getOrientation() == GridLayoutManager.HORIZONTAL) {
            if (moveDirection == KeyEvent.KEYCODE_DPAD_LEFT || moveDirection == KeyEvent.KEYCODE_DPAD_RIGHT) {
                return ((GridLayoutManager) layoutManager).getSpanCount();
            } else {
                return 1;
            }
        } else {
            if (moveDirection == KeyEvent.KEYCODE_DPAD_DOWN || moveDirection == KeyEvent.KEYCODE_DPAD_UP) {
                return ((GridLayoutManager) layoutManager).getSpanCount();
            } else {
                return 1;
            }
        }
    } else if (layoutManager instanceof LinearLayoutManager) {
        return 1;
    } else if (layoutManager instanceof StaggeredGridLayoutManager) {
        if (((StaggeredGridLayoutManager) layoutManager).getOrientation() == StaggeredGridLayoutManager.HORIZONTAL) {
            if (moveDirection == KeyEvent.KEYCODE_DPAD_LEFT || moveDirection == KeyEvent.KEYCODE_DPAD_DOWN) {
                return ((StaggeredGridLayoutManager) layoutManager).getSpanCount();
            } else {
                return 1;
            }
        } else {
            if (moveDirection == KeyEvent.KEYCODE_DPAD_DOWN || moveDirection == KeyEvent.KEYCODE_DPAD_UP) {
                return ((StaggeredGridLayoutManager) layoutManager).getSpanCount();
            } else {
                return 1;
            }
        }
    }
    return 1;
}

Source File: DividerGridItemDecoration.java From android-common-utils with Apache License 2.0

5 votes

private boolean isHorizontal( RecyclerView parent){
    final LayoutManager manager = parent.getLayoutManager();
    if(manager instanceof GridLayoutManager){
         return ((GridLayoutManager) manager).getOrientation() == GridLayoutManager.HORIZONTAL;
    }else if(manager instanceof StaggeredGridLayoutManager){
        return ((StaggeredGridLayoutManager) manager).getOrientation()
                == StaggeredGridLayoutManager.HORIZONTAL;
    }else{
        return false;
    }
}

Source File: MarginFragment.java From recycler-view-margin-decoration with Apache License 2.0

4 votes

@SuppressWarnings( "UnusedParameters" )
private void initInstance( View rootView ){
    int orientation = getResources().getConfiguration().orientation;
    int orientationLinear;
    int orientationGrid;
    int orientationStaggeredGrid;
    if( orientation == Configuration.ORIENTATION_PORTRAIT ){
        orientationLinear = LinearLayoutManager.VERTICAL;
        orientationGrid = GridLayoutManager.VERTICAL;
        orientationStaggeredGrid = StaggeredGridLayoutManager.VERTICAL;
    }else{
        orientationLinear = LinearLayoutManager.HORIZONTAL;
        orientationGrid = GridLayoutManager.HORIZONTAL;
        orientationStaggeredGrid = StaggeredGridLayoutManager.HORIZONTAL;
    }

    rvMargin = (RecyclerView) rootView.findViewById( R.id.rv_margin );
    int itemSpace = getSpace();
    int layout = getArguments().getInt( KEY_LAYOUT );
    if( layout == LINEAR ){
        rvMargin.removeItemDecoration( linearMargin );
        LinearLayoutManager layout1 = new LinearLayoutManager( getContext(), orientationLinear, false );
        rvMargin.setLayoutManager( layout1 );
        linearMargin = new LayoutMarginDecoration( itemSpace );
        linearMargin.setPadding( rvMargin, getMarginTop(), getMarginBottom(), getMarginLeft(), getMarginRight() );
        linearMargin.setOnClickLayoutMarginItemListener( onClickItem() );
        rvMargin.addItemDecoration( linearMargin );
    }else if( layout == GRID ){
        int gridSpan = 3;
        rvMargin.removeItemDecoration( gridMargin );
        rvMargin.setLayoutManager( new GridLayoutManager( getContext(), gridSpan, orientationGrid, false ) );
        gridMargin = new LayoutMarginDecoration( gridSpan, itemSpace );
        gridMargin.setPadding( rvMargin, getMarginTop(), getMarginBottom(), getMarginLeft(), getMarginRight() );
        gridMargin.setOnClickLayoutMarginItemListener( onClickItem() );
        rvMargin.addItemDecoration( gridMargin );
    }else if( layout == STAGGERED_GRID ){
        int stagSpan = 3;
        rvMargin.removeItemDecoration( stagMargin );
        rvMargin.setLayoutManager( new StaggeredGridLayoutManager( stagSpan, orientationStaggeredGrid ) );
        stagMargin = new LayoutMarginDecoration( stagSpan, itemSpace );
        stagMargin.setPadding( rvMargin, getMarginTop(), getMarginBottom(), getMarginLeft(), getMarginRight() );
        stagMargin.setOnClickLayoutMarginItemListener( onClickItem() );
        rvMargin.addItemDecoration( stagMargin );
    }
    rvMargin.setAdapter( new MarginAdapter( getContext() ) );
}

Source File: BindHorizontalStaggeredRefreshLoadActivity.java From LazyRecyclerAdapter with MIT License

4 votes

public void init() {
    View header = LayoutInflater.from(this).inflate(R.layout.layout_horitonal_header, null);

    normalAdapterManager = new BindSuperAdapterManager();
    normalAdapterManager
            .bind(BindImageModel.class, R.layout.horizontal_image_item, BindImageHolder.class)
            .bind(BindTextModel.class, R.layout.horizontal_text_item, BindTextHolder.class)
            .bind(BindClickModel.class, R.layout.horizontal_click_item, BindClickHolder.class)
            .bindEmpty(BindNoDataHolder.NoDataModel.class, BindNoDataHolder.ID, BindNoDataHolder.class)
            .setNeedAnimation(true)
            .setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(Context context, int position) {
                    //需要减去你的header和刷新的view的数量
                    Toast.makeText(context, "点击了！！　" + position, Toast.LENGTH_SHORT).show();
                }
            })
            .addHeaderView(header)
            .setPullRefreshEnabled(true)
            .setLoadingMoreEnabled(true)
            .setFootView(new BindHorizontalCustomLoadMoreFooter(this))
            .setRefreshHeader(new BindHorizontalCustomRefreshHeader(this))
            .setLoadingListener(new OnLoadingListener() {
                @Override
                public void onRefresh() {
                    recycler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            refresh();
                        }
                    }, 3000);
                }

                @Override
                public void onLoadMore() {
                    recycler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            loadMore();
                        }
                    }, 2000);
                }
            });
    ;

    adapter = new BindSuperAdapter(this, normalAdapterManager, datas);


    //瀑布流管理器
    StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.HORIZONTAL);
    //staggeredGridLayoutManager.setReverseLayout(true);

    recycler.setLayoutManager(staggeredGridLayoutManager);

    //间隔线
    recycler.addItemDecoration(new BindDecorationBuilder(adapter)
            .setColor(getResources()
            .getColor(R.color.material_deep_teal_500))
            .setSpace(dip2px(this, 5))
            .setNeedGridRightLeftEdge(true)
            .setNeedFirstTopEdge(true)
            .builder());

    recycler.setAdapter(adapter);


}

Java Code Examples for android.support.v7.widget.StaggeredGridLayoutManager#HORIZONTAL