help with design and develop a native mobile app using Android SDK tool for my assignment

SmartPoolHunter is a recruiting app that allows recruiters to search, identify, communicate and book the lifeguards and swimming coaches. You are required to develop an app and made it available for 3 user groups: Recruiters, Lifeguards, and Swimming coaches. Each user group is to have access to their own facilities and interlinked functionalities.  Registration module The lifeguards and swimming coaches should use a common registration form which All fields are mandatory for user to input and data validation must be done before information is saved in the database.  Search Module Recruiters should be able to search lifeguards and swimming coaches by using any one of the options below. The requested information will be displayed in the form of list view activity.  Communication/Messaging and Booking module The recruiters should be able to communicate with lifeguards and swimming coaches using the chat box facility. All fields are mandatory for booking a lifeguard or swimming coach.  Edit User Profiles module All users should be able to edit their respective profiles You will design and develop a native mobile app using Android SDK tool. The mobile app should be simple to use and must consider customer experience when using the site and must target wide range of smartphones and tablets. For Detail See the document attached here

Project ID: 19463423