The Ionic 2 library provides a wide range of default components – likes lists, segments, and cards – that can easily be added to your applications, but sometimes it is useful to build your own custom components.
Building your own custom component isn't all that different from building a normal page in Ionic 2 (they are just components too), but there are a few important concepts you should understand first.
In this video tutorial, we will walk through a very simple example of building a custom component in Ionic 2.
Here's the video:
A custom component can be generated using the
ionic g component MyComponentNamecommand
Custom components should be imported into app.module.ts and added to the
@Input()can be used to pass in data from the host component (like a normal page) to the custom component
@Output()can be used in conjunction with an
EventEmitterto create events that can be listened to on a custom component