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POOrder UITableView cells by calculated distance
 

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    <p>I'm quite new to iOS development. And I got stuck with a problem.</p> <p>I want to order my <code>UITableView</code> Descending by Distance on my custom tableview. I get the date by a query on my parse.com databse. Then, when creating the cell, I calculate the distance between my current location and the geopoint location from the database object. --> That works fine!</p> <p>But how do I order the TableView descending/ascending by the calculated distance?</p> <p>Here is my code, where I create the cell and calculate the distance:</p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath object:(PFObject *)object { static NSString *simpleTableIdentifier = @"stationCell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIdentifier]; if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIdentifier]; } // Configure the cell PFFile *thumbnail = [object objectForKey:@"img"]; PFImageView *thumbnailImageView = (PFImageView*)[cell viewWithTag:100]; thumbnailImageView.image = [UIImage imageNamed:@"placeholder.jpg"]; thumbnailImageView.file = thumbnail; [thumbnailImageView loadInBackground]; UILabel *nameLabel = (UILabel*) [cell viewWithTag:101]; nameLabel.text = [object objectForKey:@"name"]; UILabel *adressLabel = (UILabel*) [cell viewWithTag:102]; adressLabel.text = [object objectForKey:@"adress"]; // DISTANCE Calculation [PFGeoPoint geoPointForCurrentLocationInBackground:^(PFGeoPoint *currentLocationGeoPoint, NSError *error) { //Get current Location if (!error) { PFGeoPoint *distanceGeoPoint = [object objectForKey:@"location"]; double distanceDouble = [currentLocationGeoPoint distanceInKilometersTo:distanceGeoPoint]; NSLog(@"Distance: %.1f",distanceDouble); // %.1f - limits to 1.1 UILabel *distanceLabel = (UILabel*) [cell viewWithTag:103]; distanceLabel.text = [NSString stringWithFormat:@"%.1f", distanceDouble]; } }]; return cell; } </code></pre>
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