can you help me write the mainactivity.java code using andriod studio. thanks

Please implement a PIZZA ORDERING Android application. The UI should include the elements given in the sketch below. You need to provide all the functionalities in a similar layout in your app. Fill free to improve the design of this interface. Cheese 2x Cheese None Crele Pizs O Square Pizw Pepperorh Vegges Mushroom Anchovies Functionality? 1. Add 2 buttons to increase/decrease the number of items. The number is displayed in a texctyieor. between 2 buttons. (20 points) 2. Add 2 button to the U1, "Place Order" and "Save Contact". 3. Ater completing the selection, push "Place Order" button, display the text summarizing the order using the Toast method. (60 points) 4. After typing name and phone number, push "Save Contact" button, display the name and phone number using the Toast method. (20 points) Implementation Requirements: 1. Use buttons to increase and decrease the number of items. 2. use checkbox for pepperoni, mushrooms, veggies, anchovies 3. Radio Button group for Cheese, 2x cheese, none 4. Radio button group for Square and Round Pizza 5. Test your application in the Emulator Below are some test case for the app. You app should be able to generate a similar message, including number of items, selection of cheese, selection of shape, and checkbox selection. Circle Pueza O Square Prata Pepperani Vegries Muhroem Anthovies Circle Pizza@Square Pizza Pepperoni Veggies Mushroom Anchovies