- (IBAction) startThreadButtonPressed:(UIButton *)sender {
[NSThread detachNewThreadSelector:@selector(startTheBackgroundJob) toTarget:self withObject:nil];
}
- (void)startTheBackgroundJob {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
// wait for 3 seconds before starting the thread, you don't have to do that. This is just an example how to stop the NSThread for some time
[NSThread sleepForTimeInterval:3];
[self performSelectorOnMainThread:@selector(makeMyProgressBarMoving) withObject:nil waitUntilDone:NO];
[pool release];
}
- (void)makeMyProgressBarMoving {
float actual = [threadProgressView progress];
if (actual < 1) {
threadProgressView.progress = actual + 0.01;
[NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(makeMyProgressBarMoving) userInfo:nil repeats:NO];
}
} Update: Full tutorial about threading with NSThread and sample application is hereExample of threading in iPhone SDK (Objective-C using NSThread)
Ondrej Rafaj on 2009.09.04 17:38:18
Example how to use create a new thread using NSThread to run some method in the background of your application.
Ondrej Rafaj
Independent iPhone developer @ ondrej-rafaj.co.ukI am available to give you a free quote or start working on your project ... just give me a call or drop a line. Please find all my details on my portfolio site ondrej-rafaj.co.uk
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