Adding Material Snackbar in Android Apps

1. Adding these to app-level build.gradle file and sync gradle

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support:design:26.1.0'

2.  Write these for displaying snackbar messages

Snackbar snackbar = Snackbar

         .make(findViewById(android.R.id.content), "I'm a Snackbar", Snackbar.LENGTH_LONG);
 snackbar.show();

Link: snackbar images (Source: Google)