Summary
In this chapter, you learned about the need to show mobile users important information. This sometimes involves explicit feedback from the user, even if that just means acknowledgement of the message. In other cases passive notifications work better, since they're less obtrusive than the confirmation modals.
There are two tools that you can use to display messages to users: modals and alerts. Modals are more flexible, because they're just like regular views. Alerts are good for displaying plain text and they take care of styling concerns for us. On Android, you have the additional ToastAndroid interface. You saw that it's also possible to do this on iOS, but it just requires more work.
In the next chapter, we'll dig deeper into the gesture ...
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