Home Repair -- 2

Job ID: 34711353

Budget: $30 – $250 USD

It's a android mobile application in java that can be easily used by the client to order a technician for any conflicts they face in their home, plumbing, electricity and so on, the client will choose service then he will describe the problem he is facing and Then he send request or order to all workers in the app , in other side the workers will see the order of client when he send request with his description
The worker will raise his offers then they will agree on appointment and price, so the project have 3 users, client , worker and the Admin. Also the admin tasks it's about editing users and check the certificate of each worker before including them in the app and Supports any problem faced by the client and the worker.
I uploaded Additional information like sketches and diagrams here ??