(a) Suppose a new empty Android Studio project is created and a star image (star.png 512px ) is downloaded. Briefly explain the steps taken in xml (no new view/component is allowed) and write Java program to set background image of 1st screen as start image. [10 marks] (b) Most of the app companies adopt the following approach, "When calling camera function in an app, it is preferred adding camera object to calling camera app of the phone." Briefly explain the reason. [10 marks]