code: public void show(Activity targetActivity) {
          ViewGroup root = (ViewGroup) targetActivity.findViewById(android.R.id.content);
          boolean usePhoneLayout = shouldUsePhoneLayout(targetActivity);
          MarginLayoutParams params = init(targetActivity, targetActivity, root, usePhoneLayout);
          updateLayoutParamsMargins(targetActivity, params);
          showInternal(targetActivity, params, root);
      }
docs: Displays the {@link Snackbar} at the bottom of the
  {@link android.app.Activity} provided.
  
  @param targetActivity