core data - Why is fetchedResultsController set to nil? -



core data - Why is fetchedResultsController set to nil? -

why in fetchedresultscontroller code apple gives us?

if (fetchedresultscontroller != nil) { homecoming fetchedresultscontroller; }

this because need set fetchedresultscontroller once.

below statement there load of set initialise fetchedresultscontroller.

so first time nail method calling fetchedresultscontroller ivar set subsequent calls fetchedresultscontroller homecoming set ivar.

core-data ios4

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