RBLazyLayoutViewDataSource Protocol Reference
| Conforms to | NSObject |
|---|---|
| Declared in | RBLazyLayoutView.h |
– countForLayoutView:
required method
Gets the number of cells to be displayed in the layout view.
- (NSInteger)countForLayoutView:(nonnull RBLazyLayoutView *)layoutViewParameters
layoutView |
The layout view object. |
|---|
Return Value
The number of cells.
Declared In
RBLazyLayoutView.h
– cellSizeAtIndex:withContainer:forLayoutView:
required method
Gets the desired size of the cell at the given index, with the available container size provided.
- (CGSize)cellSizeAtIndex:(NSInteger)index withContainer:(CGSize)container forLayoutView:(nonnull RBLazyLayoutView *)layoutViewParameters
index |
The index of the cell to size. |
|---|---|
container |
The available size for the cell in it’s container. |
layoutView |
The layout view object. |
Return Value
The desired size of the cell.
Declared In
RBLazyLayoutView.h
– cellAtIndex:forLayoutView:
required method
Gets the cell to be presented in the layout view at the given index.
The reusableCellWithType:configurationOnCreation: or reusableCellWithType:shouldApplyTheming:configurationOnCreation methods should be used.
The first is a convienance method that passes YES as the the shouldApplyTheming parameter to the second.
- (nonnull __kindof RBBaseCellView *)cellAtIndex:(NSInteger)index forLayoutView:(nonnull RBLazyLayoutView *)layoutViewParameters
index |
The index of the cell. |
|---|---|
layoutView |
The layout view object. |
Return Value
The prepared cell.
Declared In
RBLazyLayoutView.h
– layoutView:willRemoveCell:atIndex:
Called when a cell will be removed from the layout view and stored for reuse at a later stage. Use this to stop any image download jobs, etc.
- (void)layoutView:(nonnull RBLazyLayoutView *)layoutView willRemoveCell:(nonnull __kindof RBBaseCellView *)cell atIndex:(NSInteger)indexParameters
layoutView |
The layout view object. |
|---|---|
cell |
The cell that is being removed. |
index |
The index of the cell. |
Declared In
RBLazyLayoutView.h