A student wants to create an Android Application to help a motorist to approximate the cost of a journey
by road. The app should enable the user to enter the length of the journey in Kilometres, the amount fuel
that the vehicle uses per kilometre and the cost of fuel per litre. The app should then calculate the total
amount that will be spent on fuel for the journey.
Sketch the interface for the activity that can be used for this task. (5 marks)
b) Declare and initialize all the widgets (views) that you can use for this task. Assume your own ids.
(5 marks)
c) Write the program to calculate the cost of the journey.