OK,First this program can load plist from URL by this code,and I put this in
- (void)viewdidLoad{
NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://someurl.php"]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
NSLog(@"\n\nCONNECTION: %@", theConnection);
NSData *returnData = [NSURLConnection sendSynchronousRequest:theRequest returningResponse:nil error:nil];
NSString *listFile = [[NSString alloc] initWithData:returnData encoding:NSASCIIStringEncoding];
self.plist = [listFile propertyList];
}
than I take the plist file to init the tableview cell
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = @"cell";
LightCell0 *cell =(LightCell0 *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[LightCell0 alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease];
}
// Set up the cell…
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
cell.lightLocation.text = [[[self.plist objectAtIndex:indexPath.row] valueForKey: @"nodeName"]description];
return cell;
}
now I need to keep reloading the URL data to init it
So I add
-(void)viewDidLoad{
timer = [NSTimer scheduledTimerWithTimeInterval:REFRESH_STATUS_TIME
target:self
selector:@selector(timerFired:)
userInfo:nil
repeats:YES];
}
and change the get URLrequest from (void)viewDidLoad
to
- (void)timerFired:(NSTimer *)theTimer{
NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.someurl.php"]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
NSLog(@"\n\nCONNECTION: %@", theConnection);
NSData *returnData = [NSURLConnection sendSynchronousRequest:theRequest returningResponse:nil error:nil];
NSString *listFile = [[NSString alloc] initWithData:returnData encoding:NSASCIIStringEncoding];
self.plist = [listFile propertyList];
NSLog(@"Timefired!!!!");
}
HERE IS THE PROBLEM ~
The TableView cell init seems didn't get any plist data from the timeFired
I check the console result,I can see there is a plist data get back every 3 sec (define REFRESH_STATUS_TIME = 3.0;)
What's Wrong When My program Reload Data pass to cell failed??