Haptics helps you signal important information in multiple modes. For example, you can use a UINotificationFeedbackGenerator to reinforce some "warning" feedback. Twitter uses this when you are running out of characters when composing a tweet.
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You can indicate that an error occurred using haptic feedback. It can be useful for long-running tasks that fail, like page loads or downloads. But you can also use it as errors occur like Twitter does when reaching the character limit.
Support both orientations, if possible. I know not even iOS itself does it, but it hasn't always been like that. You'll create a more robust UI that will be easier to port to iPadOS. And especially, don't force your users to rotate their devices.
UINotificationFeedbackGenerator has a “success” feedback type. Consider using it when a task was performed successfully together with any other visuals or sound. The use of multiple modes just makes it easier for everyone to understand your app.
Content © Daniel Devesa Derksen-Staats on Accessibility up to 11! is licensed under CC BY 4.0. License details
