
Code the back end of a simple quiz app in Android Studio using Java, wiring the four answer choices and submit button to the pre-designed front end.
Create a Java class to manage quiz content, defining public static arrays for questions, two-dimensional answer choices, and correct answers, to power the Android Studio quiz app.
Create a void load new question method that updates the question text view and four answer buttons using the current question index and the question answer data.
Implement on-click logic for answer buttons to record the selected answer and highlight it in blue, reset others to white, and handle the submit button click.
Implement the finish quiz method in a Java Android Studio quiz app by detecting when current question index equals total questions and showing a score dialog with a restart option.
Reset the score and current question index to zero, and call load new question in the restart quiz method.
In this project, you are going to code the back-end of a simple app in a platform called Android Studio. The front-end or the design of this app has already been made in the previous project, so if you haven’t done that project yet, you might want to check out my previous project that shows you how to design all the components of this specific quiz app.
This project is perfect for you if :
This is your first time writing the code for the back-end of an app, especially in Java.
This is your first time building the back-end of an app in Android Studio and you want to see how coding an app in Android Studio works.
You want to apply your basic knowledge of Java programming or object-oriented programming to build a real app.
Android Studio is a platform that is used by many professional developers to develop Android apps. You can use several programming languages to build the front-end and back-end of an app in Android Studio, including XML and Java. This project will show you how to build the back-end (functionalities) of a simple quiz app in Java, for which the design has already been made in XML in a previous project.
In this project, you will be walked through a tutorial that shows you how to code the back-end of the app in Java from scratch: creating files, creating classes, creating objects, connecting references to views and buttons, etc. The tutorial codes the entire app and explains the code and how the app will work along the way.