Future continuous for actions happening over a period of time in the future
The future continuous is used to describe actions which will continue over a period of time in the future. This period can be expressed with a time expression or a clause with a verb in the present continuous tense. In this case, the two actions will be happening simultaneously:
Sorry, I can't go on the trip. I will be working the whole weekend.
While you're studying, I'll be practising yoga.