iOS Day 28

backgroundDone1.m

- (void)backgroundDone {
    NSLog(@"Done");
}

backgroundDone2.m

- (void)backgroundDone {
    NSLog(@"Done");
    [self.indicator stopAnimating];
}

tappedProcessStuff.m

- (IBAction)tappedProcessStuff:(id)sender {
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
    NSLog(@"Start");        
        //Do EXTREME PROCESSING!!!
        for (int i = 0; i< 100; i++) {
            [NSThread sleepForTimeInterval:.05];
            NSLog(@"%i", i);
        }
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [self backgroundDone];
        });
    });
}

tappedProcessStuff2.m

- (IBAction)tappedProcessStuff:(id)sender {
    
    [self.indicator startAnimating];
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
        NSLog(@"Start");
        //Do EXTREME PROCESSING!!!
        for (int i = 0; i< 100; i++) {
            [NSThread sleepForTimeInterval:.05];
            NSLog(@"%i", i);
        }
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [self backgroundDone];
        });
    });
}

tappedProcessStuff3.m

- (IBAction)tappedProcessStuff:(id)sender {
    
    [self.indicator startAnimating];
    [UIApplication sharedApplication].networkActivityIndicatorVisible = TRUE;
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
        NSLog(@"Start");
        //Do EXTREME PROCESSING!!!
        for (int i = 0; i< 100; i++) {
            [NSThread sleepForTimeInterval:.05];
            NSLog(@"%i", i);
            dispatch_async(dispatch_get_main_queue(), ^{
                [self updateProgressBar:i];
            });
        }
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [self backgroundDone];
        });
    });
}

updateProgressBar.m

- (void)updateProgressBar:(int)count {
    float progress = count/100.0;
    [self.progressBar setProgress:progress];
}

ViewController.h

@interface ViewController : UIViewController
- (IBAction)tappedProcessStuff:(id)sender;

@end

ViewController2.h

@interface ViewController : UIViewController

- (IBAction)tappedProcessStuff:(id)sender;
@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *indicator;

@end

ViewController3.h

@interface ViewController : UIViewController

- (IBAction)tappedProcessStuff:(id)sender;
@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *indicator;
@property (weak, nonatomic) IBOutlet UIProgressView *progressBar;

@end