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

Example 91 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class VerticalDividerItemDecoration method getDividerBound.

@Override
protected Rect getDividerBound(int position, RecyclerView parent, View child) {
    Rect bounds = new Rect(0, 0, 0, 0);
    int transitionX = (int) ViewCompat.getTranslationX(child);
    int transitionY = (int) ViewCompat.getTranslationY(child);
    RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
    bounds.top = parent.getPaddingTop() + mMarginProvider.dividerTopMargin(position, parent) + transitionY;
    bounds.bottom = parent.getHeight() - parent.getPaddingBottom() - mMarginProvider.dividerBottomMargin(position, parent) + transitionY;
    int dividerSize = getDividerSize(position, parent);
    if (mDividerType == DividerType.DRAWABLE) {
        bounds.left = child.getRight() + params.leftMargin + transitionX;
        bounds.right = bounds.left + dividerSize;
    } else {
        bounds.left = child.getRight() + params.leftMargin + dividerSize / 2 + transitionX;
        bounds.right = bounds.left;
    }
    return bounds;
}

Example 92 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class HeaderPositionCalculator method itemIsObscuredByHeader.

/**
 * Determines if an item is obscured by a header
 *
 * @param parent
 * @param item        to determine if obscured by header
 * @param header      that might be obscuring the item
 * @param orientation of the {@link RecyclerView}
 * @return true if the item view is obscured by the header view
 */
private boolean itemIsObscuredByHeader(RecyclerView parent, View item, View header, int orientation) {
    RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) item.getLayoutParams();
    Rect headerMargins = mDimensionCalculator.getMargins(header);
    int adapterPosition = parent.getChildAdapterPosition(item);
    if (adapterPosition == RecyclerView.NO_POSITION || mHeaderProvider.getHeader(parent, adapterPosition) != header) {
        // Handles an edge case where a trailing header is smaller than the current sticky header.
        return false;
    }
    if (orientation == LinearLayoutManager.VERTICAL) {
        int itemTop = item.getTop() - layoutParams.topMargin;
        int headerBottom = header.getBottom() + headerMargins.bottom + headerMargins.top;
        if (itemTop > headerBottom) {
            return false;
        }
    } else {
        int itemLeft = item.getLeft() - layoutParams.leftMargin;
        int headerRight = header.getRight() + headerMargins.right + headerMargins.left;
        if (itemLeft > headerRight) {
            return false;
        }
    }
    return true;
}

Example 93 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class HeaderPositionCalculator method getHeaderBounds.

public Rect getHeaderBounds(RecyclerView recyclerView, View header, View firstView, boolean firstHeader) {
    int orientation = mOrientationProvider.getOrientation(recyclerView);
    Rect bounds = getDefaultHeaderOffset(recyclerView, header, firstView, orientation);
    if (firstHeader && isStickyHeaderBeingPushedOffscreen(recyclerView, header)) {
        View viewAfterNextHeader = getFirstViewUnobscuredByHeader(recyclerView, header);
        int firstViewUnderHeaderPosition = recyclerView.getChildAdapterPosition(viewAfterNextHeader);
        View secondHeader = mHeaderProvider.getHeader(recyclerView, firstViewUnderHeaderPosition);
        translateHeaderWithNextHeader(recyclerView, mOrientationProvider.getOrientation(recyclerView), bounds, header, viewAfterNextHeader, secondHeader);
    }
    return bounds;
}

Example 94 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class StickyRecyclerHeadersDecoration method getItemOffsets.

@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
    super.getItemOffsets(outRect, view, parent, state);
    int itemPosition = parent.getChildAdapterPosition(view);
    if (itemPosition == RecyclerView.NO_POSITION) {
        return;
    }
    if (mHeaderPositionCalculator.hasNewHeader(itemPosition)) {
        View header = getHeaderView(parent, itemPosition);
        setItemOffsetsForHeader(outRect, header, mOrientationProvider.getOrientation(parent));
    }
}

Example 95 with RecyclerView

use of androidx.recyclerview.widget.RecyclerView in project UltimateRecyclerView by cymcsg.

the class SimpleItemTouchHelperCallback method onChildDraw.

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
    super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
    // Fade out the view as it is swiped out of the parent's bounds
    if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
        View itemView = viewHolder.itemView;
        final float alpha = ALPHA_FULL - Math.abs(dX) / (float) itemView.getWidth();
        itemView.setAlpha(alpha);
    }
}