QUESTION 5

(a) Three methods to implement custom views. List them and give example for their use.

(b) One standard piece of advice when developing custom views is to use a shared initialisation method. Justify why this is the case.

(c) Two methods provided by the canvas are save() and restore() to manipulate the Matrix Stack. What is the matrix stack and what it is used for? Why the use of these two methods is important? Give three examples with brief description for manipulations you can do for the matrix stack.