Examples with GridLayoutManager androidx.recyclerview.widget.GridLayoutManager used on opensource projects

Example 41 with GridLayoutManager

use of androidx.recyclerview.widget.GridLayoutManager in project epoxy by airbnb.

the class EpoxyItemSpacingDecorator method calculatePositionDetails.

private void calculatePositionDetails(RecyclerView parent, int position, LayoutManager layout) {
    int itemCount = parent.getAdapter().getItemCount();
    firstItem = position == 0;
    lastItem = position == itemCount - 1;
    horizontallyScrolling = layout.canScrollHorizontally();
    verticallyScrolling = layout.canScrollVertically();
    grid = layout instanceof GridLayoutManager;
    if (grid) {
        GridLayoutManager grid = (GridLayoutManager) layout;
        final SpanSizeLookup spanSizeLookup = grid.getSpanSizeLookup();
        int spanSize = spanSizeLookup.getSpanSize(position);
        int spanCount = grid.getSpanCount();
        int spanIndex = spanSizeLookup.getSpanIndex(position, spanCount);
        isFirstItemInRow = spanIndex == 0;
        fillsLastSpan = spanIndex + spanSize == spanCount;
        isInFirstRow = isInFirstRow(position, spanSizeLookup, spanCount);
        isInLastRow = !isInFirstRow && isInLastRow(position, itemCount, spanSizeLookup, spanCount);
    }
}

Example 42 with GridLayoutManager

use of androidx.recyclerview.widget.GridLayoutManager in project Signal-Android by WhisperSystems.

the class PaymentsRecoveryPhraseFragment method onViewCreated.

@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
    Toolbar toolbar = view.findViewById(R.id.payments_recovery_phrase_fragment_toolbar);
    RecyclerView recyclerView = view.findViewById(R.id.payments_recovery_phrase_fragment_recycler);
    TextView message = view.findViewById(R.id.payments_recovery_phrase_fragment_message);
    View next = view.findViewById(R.id.payments_recovery_phrase_fragment_next);
    View edit = view.findViewById(R.id.payments_recovery_phrase_fragment_edit);
    View copy = view.findViewById(R.id.payments_recovery_phrase_fragment_copy);
    GridLayoutManager gridLayoutManager = new GridLayoutManager(requireContext(), SPAN_COUNT);
    PaymentsRecoveryPhraseFragmentArgs args = PaymentsRecoveryPhraseFragmentArgs.fromBundle(requireArguments());
    final List<String> words;
    if (args.getWords() != null) {
        words = Arrays.asList(args.getWords());
        setUpForConfirmation(message, next, edit, copy, words);
    } else {
        Mnemonic mnemonic = SignalStore.paymentsValues().getPaymentsMnemonic();
        words = mnemonic.getWords();
        setUpForDisplay(message, next, edit, copy, words, args);
    }
    List<MnemonicPart> parts = Stream.of(words).mapIndexed(MnemonicPart::new).sorted(new MnemonicPartComparator(words.size(), SPAN_COUNT)).toList();
    MnemonicPartAdapter adapter = new MnemonicPartAdapter();
    recyclerView.setLayoutManager(gridLayoutManager);
    recyclerView.setAdapter(adapter);
    recyclerView.setOverScrollMode(View.OVER_SCROLL_NEVER);
    toolbar.setNavigationOnClickListener(v -> {
        if (args.getFinishOnConfirm()) {
            requireActivity().finish();
        } else {
            toolbar.setNavigationOnClickListener(t -> Navigation.findNavController(view).popBackStack(R.id.paymentsHome, false));
        }
    });
    adapter.submitList(parts);
}

Example 43 with GridLayoutManager

use of androidx.recyclerview.widget.GridLayoutManager in project boilerplate by koush.

the class GridRecyclerView method setNumColumns.

private void setNumColumns(Context context, int numColumns) {
    if (gridLayoutManager == null) {
        gridLayoutManager = new GridLayoutManager(context, numColumns);
        typeToSpan = new Hashtable<Integer, Integer>();
        gridLayoutManager.setSpanSizeLookup(spanSizeLookup = new GridLayoutManager.SpanSizeLookup() {

            @Override
            public int getSpanSize(int position) {
                int viewType = getAdapter().getItemViewType(position);
                Integer span = typeToSpan.get(viewType);
                if (span != null)
                    return span;
                ViewHolder vh = getAdapter().createViewHolder(GridRecyclerView.this, viewType);
                int foundSpan;
                if (vh instanceof SpanningViewHolder)
                    foundSpan = ((SpanningViewHolder) vh).getSpanSize(gridLayoutManager.getSpanCount());
                else
                    foundSpan = 1;
                typeToSpan.put(viewType, foundSpan);
                return foundSpan;
            }
        });
        setLayoutManager(gridLayoutManager);
    } else {
        gridLayoutManager.setSpanCount(numColumns);
    }
    typeToSpan.clear();
    spanSizeLookup.invalidateSpanIndexCache();
    requestLayout();
}

Example 44 with GridLayoutManager

use of androidx.recyclerview.widget.GridLayoutManager in project FlexibleAdapter by davideas.

the class FlexibleItemDecoration method getItemOffsets.

/*====================*/
/* OFFSET CALCULATION */
/*====================*/
/**
 * @since 1.0.0-b1
 */
@Override
public void getItemOffsets(final Rect outRect, View view, RecyclerView recyclerView, RecyclerView.State state) {
    int position = recyclerView.getChildAdapterPosition(view);
    // Skip check so on item deleted, offset is kept (only if general offset was set!)
    // if (position == RecyclerView.NO_POSITION) return;
    // Get custom Item Decoration or default
    RecyclerView.Adapter adapter = recyclerView.getAdapter();
    int itemType = (position != RecyclerView.NO_POSITION ? adapter.getItemViewType(position) : 0);
    ItemDecoration deco = getItemDecoration(itemType);
    // No offset set, applies the general offset to this item decoration
    if (!deco.hasOffset()) {
        deco = new ItemDecoration(mOffset);
    }
    // Default values (LinearLayout)
    int spanIndex = 0;
    int spanSize = 1;
    int spanCount = 1;
    int orientation = RecyclerView.VERTICAL;
    if (recyclerView.getLayoutManager() instanceof GridLayoutManager) {
        GridLayoutManager.LayoutParams lp = (GridLayoutManager.LayoutParams) view.getLayoutParams();
        spanIndex = lp.getSpanIndex();
        spanSize = lp.getSpanSize();
        GridLayoutManager lm = (GridLayoutManager) recyclerView.getLayoutManager();
        // Assume that there are spanCount items in this row/column.
        spanCount = lm.getSpanCount();
        orientation = lm.getOrientation();
    } else if (recyclerView.getLayoutManager() instanceof StaggeredGridLayoutManager) {
        StaggeredGridLayoutManager.LayoutParams lp = (StaggeredGridLayoutManager.LayoutParams) view.getLayoutParams();
        spanIndex = lp.getSpanIndex();
        StaggeredGridLayoutManager lm = (StaggeredGridLayoutManager) recyclerView.getLayoutManager();
        // Assume that there are spanCount items in this row/column.
        spanCount = lm.getSpanCount();
        spanSize = lp.isFullSpan() ? spanCount : 1;
        orientation = lm.getOrientation();
    }
    boolean isFirstRowOrColumn = isFirstRowOrColumn(position, adapter, spanIndex, itemType);
    boolean isLastRowOrColumn = isLastRowOrColumn(position, adapter, spanIndex, spanCount, spanSize, itemType);
    // Reset offset values
    int left = 0, top = 0, right = 0, bottom = 0;
    if (orientation == GridLayoutManager.VERTICAL) {
        int index = spanIndex;
        if (withLeftEdge)
            index = spanCount - spanIndex;
        left = deco.left * index / spanCount;
        index = (spanCount - (spanIndex + spanSize - 1) - 1);
        if (withRightEdge)
            index = spanIndex + spanSize;
        right = deco.right * index / spanCount;
        if (isFirstRowOrColumn && (withTopEdge)) {
            top = deco.top;
        }
        if (isLastRowOrColumn) {
            if (withBottomEdge) {
                bottom = deco.bottom;
            }
        } else {
            bottom = deco.bottom;
        }
    } else {
        int index = spanIndex;
        if (withTopEdge)
            index = spanCount - spanIndex;
        top = deco.top * index / spanCount;
        index = (spanCount - (spanIndex + spanSize - 1) - 1);
        if (withBottomEdge)
            index = spanIndex + spanSize;
        bottom = deco.bottom * index / spanCount;
        if (isFirstRowOrColumn && (withLeftEdge)) {
            left = deco.left;
        }
        if (isLastRowOrColumn) {
            if (withRightEdge) {
                right = deco.right;
            }
        } else {
            right = deco.right;
        }
    }
    outRect.set(left, top, right, bottom);
    applySectionGap(outRect, adapter, position, orientation);
}

Example 45 with GridLayoutManager

use of androidx.recyclerview.widget.GridLayoutManager in project FlexibleAdapter by davideas.

the class FragmentExpandableSections method createNewGridLayoutManager.

@Override
protected GridLayoutManager createNewGridLayoutManager() {
    GridLayoutManager gridLayoutManager = new SmoothScrollGridLayoutManager(getActivity(), mColumnCount);
    gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {

        @Override
        public int getSpanSize(int position) {
            // here, you should use them and not Layout integers
            switch(mAdapter.getItemViewType(position)) {
                case R.layout.recycler_scrollable_layout_item:
                case R.layout.recycler_scrollable_uls_item:
                case R.layout.recycler_header_item:
                case R.layout.recycler_expandable_header_item:
                case R.layout.recycler_expandable_item:
                    return mColumnCount;
                default:
                    return 1;
            }
        }
    });
    return gridLayoutManager;
}