An easy to use and customisable wrapper of the native Android Snackbar which stays visible across multiple activities.

@Override
public void onCreate() {
    super.onCreate();
    LGSnackbarManager.prepare(getApplicationContext(),
                LGSnackBarThemeManager.LGSnackbarThemeName.SHINE);
                //....
}

@Override
public void onCreate() {
    super.onCreate();
    LGSnackbarManager.prepare(getApplicationContext(),
                    customTheme());
                //....
}

//...

LGSnackBarTheme customTheme() {
    LGSnackBarStyle successStyle = new LGSnackBarStyle(successCustomColor,
            Color.WHITE,
            actionSuccessCustomColor,
            R.drawable.ic_done_white);

    LGSnackBarStyle warningStyle = new LGSnackBarStyle(warningCustomColor,
            Color.WHITE,
            actionWarningCustomColor,
            R.drawable.ic_warning_white);

    LGSnackBarStyle errorStyle = new LGSnackBarStyle(errorCustomColor,
            Color.WHITE,
            actionErrorCustomColor,
            R.drawable.ic_error_outline_white);

    LGSnackBarStyle infoStyle = new LGSnackBarStyle(infoCustomColor,
            Color.WHITE,
            actionInfoCustomColor,
           R.drawable.ic_info_outline_white);

    return new LGSnackBarTheme(successStyle, warningStyle, errorStyle, infoStyle, 60, Snackbar.LENGTH_LONG);
}

LGSnackbarManager.show(SUCCESS, "Everything is looking good! Awesome!");

LGSnackbarManager.show(SUCCESS, "Everything is looking good! Awesome!",
  new Snackbar.Callback() {
      @Override
      public void onShown(Snackbar sb) {
          super.onShown(sb);
          // LGSnackbar is now visible
      }

      @Override
      public void onDismissed(Snackbar transientBottomBar, int event) {
          super.onDismissed(transientBottomBar, event);
          // LGSnackbar is now hidden
      }
});

LGSnackbarManager.show(SUCCESS, "Everything is looking good! Awesome!",
  new LGSnackbarAction("Action", new View.OnClickListener() {
     @Override
     public void onClick(View view) {
       // Action fired
     }
}));

new LGSnackbar.LGSnackbarBuilder(getApplicationContext(), "This is a custom bar")
        .duration(Snackbar.LENGTH_LONG)
        .actionTextColor(Color.GREEN)
        .backgroundColor(Color.GRAY)
        .minHeightDp(50)
        .textColor(Color.WHITE)
        .iconID(R.drawable.ic_info_outline_white)
        .callback(null)
        .action(null)
        .show();