code: public boolean unregisterApplication(String appIdentifier) {
  		String where = Contract.COLUMN_APP_IDENTIFIER + " = ?";
  		String[] whereArgs = { appIdentifier };
  		if (mRegistryTable.getWritableDatabase().delete(Contract.TABLE_NAME, where, whereArgs) == 0) {
  			return false;
  		}
  
  		if (SPF.get().getServiceRegistry().unregisterAllServicesOfApp(appIdentifier)) {
  			Intent i = new Intent(DEREGISTRATION_INTENT);
  			i.putExtra(DEREGISTERED_APP, appIdentifier);
  			mContext.sendBroadcast(i);
  			return true;
  		}
  
  		return false;
  	}
docs: To be called from application uninstall monitor
  
  @param appIdentifier