4. (5 marks) Based on the Java class MPro above, you need to write an Android Activity class in Java, which: o Has a class name MApp o Inherits from a class AppCompatActivity o Has a field named me of type MPro Has the callback method which responds a newly created and launched Activity: o The method first calls the same method of its superclass with the parameter o The method then creates a new object of type MPro with value of wxyz, and assigns this to the field * Use the first and last 3 digits of your Student ID to replace w and xyz in wxyz 3. (5 marks) In the implementation stage, you are asked to write a public Java class. The Java class: o Has a class name MPro o Has a field, named mF of type int o Has a constructor which accepts one parameter of type int. This constructor simply sets the field with the input parameter value. o Has one method, named isSame (), which has one parameter of type int and return type boolean o The method returns true if value of the input parameter is the same as that of the field; false otherwise