iOS some processing when a memory warning occurs

// release temporarily unused memory , total Current program use .

-(void) didreceivememorywarning

{

[superdidreceivememorywarning];

//Dispose of any resources, can be recreated.

// When a memory warning is received , remove the view that is not currently displayed on the screen .

// Determine if view controller can be safely removed .

// Determines whether the current view controller's view is displayed on the screen . Self.view.window

// Determines whether the view controller's views have been successfully loaded . isviewloaded

if ( self.) View. window = =Nil &&[selfisviewloaded]) {

// Remove the view of the controller safely ;

self. View = Nil ; [_view Release];_view = nil;

}

//nslog (@ "%@", Self.view.window);

}

iOS some processing when a memory warning occurs