How to clear the cache of mkmapview

Question

In my app.I have a one textfield and one search button.when it user click on search button after fill up the address on textfield my app shows the result and place a pin on

Answer 1

Try This

NSURLCache *sharedCache = [[NSURLCache alloc] initWithMemoryCapacity:0 diskCapacity:0 diskPath:nil]; 

[NSURLCache setSharedURLCache:sharedCache];
 [sharedCache release];

Answer 2

Just to update, since I was looking for this. Seems a bit cleaner

[[NSURLCache sharedURLCache] removeAllCachedResponses];