Should snackbars cover buttons?

1. How do I set my snackbar position?
2. What's the difference between a snackbar and a toast?
3. What snackbar methods must be called to create a snackbar with a button?
4. How long should a snackbar last?

How do I set my snackbar position?

Snackbars should be placed at the bottom of a UI, in front of app content.

What's the difference between a snackbar and a toast?

Snackbars contain a single line of text directly related to the operation performed. They may contain a text action, but no icons. Toasts (Android only) are primarily used for system messaging. They also display at the bottom of the screen, but may not be swiped off-screen.

What snackbar methods must be called to create a snackbar with a button?

In the onClickListener a Snackbar is created and is called. So whenever the button is clicked, the onClickListener creates a snackbar and calls it and the user sees the message. This snackbar contains an action and if clicked will show a toast.

How long should a snackbar last?

Snackbars appear without warning, and don't require user interaction. They automatically disappear from the screen after a minimum of four seconds, and a maximum of ten seconds.