The notifications you've examined so far in this chapter all have required input from the user. This is by design because it's important information that you're forcing the user to look at. You don't want to over-do this, however. For notifications that are important but not life-altering if ignored, you can use passive notifications. These are displayed in a less obtrusive way than modals, and don't require any user action to dismiss.
In this section, you'll create a Notification component, which uses the Toast API for Android, and creates a custom modal for iOS. It's called the Toast API because the information that's displayed looks like a piece of toast popping up. Here's what the Android component looks like: