Answers for "how to create custom snackbar in android"

android create snackbar

Snackbar.make(fragmentView, text, Snackbar.LENGTH_LONG).setAction("Action", null /* replace with your action or leave null to just display text*/).show();

using a SnackBar on androidstudio

dependencies {
    implementation 'com.android.support:design:27.1.1'
}