Instance Method

replaceAssetsAtIndexes:withAssets:

Replaces the assets at the specified indexes in the asset collection with the specified assets.

Declaration

- (void)replaceAssetsAtIndexes:(NSIndexSet *)indexes withAssets:(id<NSFastEnumeration>)assets;

Parameters

indexes

The indexes of the assets to be replaced in the asset collection.

assets

An array of PHAsset objects to be inserted into (or moved within) the asset collection.

Discussion

To ensure that the index set you specify is valid even if the asset collection has changed since you fetched it, create a change request with a snapshot of the asset collection’s contents using the changeRequestForAssetCollection:assets: method before rearranging assets.

See Also

Modifying Asset Collections

+ changeRequestForAssetCollection:

Creates a request for modifying the specified asset collection.

+ changeRequestForAssetCollection:assets:

Creates a request for modifying the specified asset collection, with a fetch result for tracking changes.

title

The displayed name of the asset collection.

- addAssets:

Add the specified assets to the asset collection.

- insertAssets:atIndexes:

Inserts the specified assets into the collection at the specified indexes.

- removeAssets:

Removes the specified assets from the asset collection.

- removeAssetsAtIndexes:

Removes the assets at the specified indexes from the asset collection.

- moveAssetsAtIndexes:toIndex:

Moves the assets at the specified indexes in the asset collection to a new index.