Android navigation multiple start destinations

1. How do you navigate to fragments?
2. What is global action in navigation component?

How do you navigate to fragments?

In the Navigation Editor, click the New Destination icon , and then click Create new destination. In the New Android Component dialog that appears, create your fragment. For more information on fragments, see the fragment documentation.

What is global action in navigation component?

You can use a global action to create a common action that multiple destinations can use. For example, you might want buttons in different destinations to navigate to the same main app screen.