Mobile Application

Question 1 (20 Marks) a) Suppose you have an activity with an instance variable (class level) of type integer called 'counter'. Your task is to save and restore the value of 'counter' each time the activity changes its orientation as well as the views data. Implement the required code. public class MainActivity extends AppCompatActivity { private int counter; aoverride protected void onCreate(Bundle savedInstanceState) { super.onCreate( savedInstanceState); setContentView(R.layout.activity_main); } // your code here