Are you a union member who gets short term unemployment in between getting assigned to jobs? That might be something that can work. For all other income sources, for any loan, you would have to prove that it is going to continue for at least three years, therefore no matter what unemployment wouldn't qualify.
No, you must be employed to get an FHA loan. Call Jeff at Bank of America and he'll be able to explain in detail how this works. 949-289-5170 It's a case by case scenario. Once you are employed again you might be able to get a loan right away after you've received your first pay check. (This depends on how long you've been out of work.) If you were recently laid off and you just found another job then most likely you'd be able to qualify for a loan right away. If you've been out of work for some time and you find a job and apply for a loan, the underwriter might question the fact that you were out of work for "X" amount of time and you might or might not be approved.