Issues declaring already existing NSMutableArray in new class
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by Graeme
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Published on 2010-06-13T09:48:54Z
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2010/06/13
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I have a class (DataImporter) which has the code to download an RSS feed. I also have a view and separate class (TableView) which displays the data in a UITableView and starts the parsing process, storing parsed information in an NSMutableArray (items) which is located in the (TableView) subclass.
Now I wish to add a UIMapView which displays the items in the (items) NSMutableArray. Herein lies the issue - I need to somehow get the data from the (items) NSMutableArray into the new (mapView) subclass which I'm struggling with - and I preferably don't want to have to create a new class to download the data again for the mapView class when it already is in the applications memory. Is there a way I can transfer the information from the NSMutableArray (items) class to the (mapView) class (i.e. how do I declare the NSMutableArray in the (mapView) class)?
Here's a overview of how the system works: App opened> Data downloaded (using DataImporter class) when (TableView) viewDidLoad runs> Data stored in NSMutableArray accessible by the (TableView) class> And from here I need to access and declare the array from a new (mapView) class.
Any help greatly appreciated, thanks.
Code for viewDidLoad MapKit:
Data *data = nil;
NSString *ilocation = [data locations];
NSString *ilocation2 = @"New Zealand";
NSString *inewlString;
inewlString = [ilocation stringByAppendingString:ilocation2];
NSLog(@"inewlString=%@",inewlString);
if(forwardGeocoder == nil)
{
forwardGeocoder = [[BSForwardGeocoder alloc] initWithDelegate:self];
}
// Forward geocode!
[forwardGeocoder findLocation: inewlString];
Code for parsing data into original NSMutable Array:
- (void)beginParsing {
NSLog(@"Parsing has begun");
//self.navigationItem.rightBarButtonItem.enabled = NO;
// Allocate the array for song storage, or empty the results of previous parses
if (incidents == nil) {
NSLog(@"Grabbing array");
self.datas = [NSMutableArray array];
} else {
[datas removeAllObjects];
[self.tableView reloadData];
}
// Create the parser, set its delegate, and start it.
self.parser = [[DataImporter alloc] init];
parser.delegate = self;
[parser start];
}
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