How are service/providers used in Ionic?
Services play a vital role in Ionic as it provides information to the application and performs different tasks. Some of the critical services are Simple Alert, Connectivity Monitor, Google Maps and data. If you are using, remember that importing a service and adding a provider to it are the most crucial aspects.
The services should only be imported into the classes where you will be using them.
BY Best Interview Question ON 13 Jan 2019