Example of threading in iPhone SDK (Objective-C using NSThread)

Ondrej Rafaj on 2009.09.04 17:38:18

- (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];
	}
	
}

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