private void startPayHelpActivity() { Intent intent = new Intent(this, PayUpdateHelpActivity.class); intent.putExtra( PayUpdateHelpActivity.EXTRA_PURCHASE_REQUEST_SOURCE, StatisticsKey.PURCHASE_FROM_BACKUP_SIZE_LIMIT); startActivity(intent); mPreferenceManager.putBoolean(this, PreferenceManager.KEY_HAS_SHOWN_PAY_HELP_PAGE, true); }