code: private void storeAccountParams(String accountName, String shareUrl, String accessToken) {
          Editor editor = PreferenceManager.getDefaultSharedPreferences(mContext).edit();
          editor.putString(mContext.getString(R.string.wings_dropbox__account_name_key), accountName);
          editor.putString(mContext.getString(R.string.wings_dropbox__share_url_key), shareUrl);
          editor.putString(mContext.getString(R.string.wings_dropbox__access_token_key), accessToken);
  
          // Set preference to linked.
          editor.putBoolean(mContext.getString(R.string.wings_dropbox__link_key), true);
          editor.apply();
      }
docs: Stores the account params in persisted storage.
  
  @param accountName the user name associated with the account.
  @param shareUrl    the share url associated with the account.
  @param accessToken the access token.