Android call two or more Web Service

Today, my App call one Web Service and Works fine, so, I want to add one more call web service when the first call finish how can I do that?, another question, in onTaskComplete method I validate if the Web Service get data or not

int status = ljsonObject.getInt("status")

If status variable value = -1 I have to show a message ..... How can I separete the correct message for the Web Service 1 and Web Service 2