Answers for "android make snackbar in activity"

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();

snackbar android

Snackbar snackbar =  Snackbar.make(view, text, Snackbar.LENGTH_LONG);
                    snackbar.show();

using a SnackBar on androidstudio

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