Create UIActivityIndicator in iPhone Objective C

To create a UIActivityIndicator that displays a loading indicator in iPhone,


UIActivityIndicatorView *viewIndicator = [[UIActivityIndicatorView alloc] initWithFrame:indicatorFrame];
[viewIndicator startAnimating];
[viewIndicator setActivityIndicatorViewStyle:UIActivityIndicatorViewStyleGray];
[self.view addSubview:viewIndicator];

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