@Override
public int getRedrawOffset(
final ScrollDirectionManager scrollDirectionManager,
final View incomingView,
final View outgoingView) {
final int outgoingViewStart = scrollDirectionManager.getViewStart(outgoingView);
return outgoingViewStart;
}
@Override
public int getSnapToPixelDistance(
LayoutManager<Cell> layoutManager,
ScrollDirectionManager scrollDirectionManager,
int size,
View view) {
final int startSizePadding = layoutManager.getStartSizePadding();
final int endSizePadding = layoutManager.getEndSizePadding();
final int startPixel = scrollDirectionManager.getViewStart(view);
final int endPixel = scrollDirectionManager.getViewEnd(view);
final int viewSize = endPixel - startPixel;
final int actualSize = size - startSizePadding - endSizePadding;
final boolean viewIsLargerThanViewGroup = actualSize <= viewSize;
if (startPixel < startSizePadding || viewIsLargerThanViewGroup) {
return -startPixel + startSizePadding;
} else if (endPixel > startSizePadding + size) {
return startSizePadding + size - endPixel;
}
return 0;
}