Using UIActivityIndicatorView

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Add activity indicator to storyboard

• Add the Activity Indicator View to your storyboard from the Object Library
• Choose a style and color
• Select "Hides When Stopped" in order to automatically hide the activity indicator any time it's not animating.

Create an Outlet

• control + drag from activity in storyboard canvas (or document outline) to swift file.

Start / Stop animating

Tell the Activity Indicator View to start animating.

// Start the activity indicator
activityIndicator.startAnimating()

// Stop the activity indicator
// Hides automatically if "Hides When Stopped" is enabled
activityIndicator.stopAnimating()

// Start the activity indicator
[self.activityIndicator startAnimating];

// Stop the activity indicator
// Hides automatically if "Hides When Stopped" is enabled
[self.activityIndicator stopAnimating];