How to Pass Data between Activities using Intents
Hello World! In this post, we’re going to learn how we can pass data back and forth between two different activities. We’ll also learn how to reuse layouts and use our app’s manifest with
Mohit Deshpande
How to Use Contextual Toolbar and ActionBar in Android
Hello World! In this post, we’re going to be covering contextual toolbars/action bars. They are a structure that will allow us to change the menu items on the toolbar based on the user’s
How to Create Toolbars and Menus in Android
Hello World! In this post, we’re going to talk about Toolbars from a design perspective and then we’ll actually build an app that uses Toolbars. We’re all familiar with the top
Introduction to SQLite Databases on Android Devices
Hello World! In this post, we’re going to cover the basics of SQLite and databases. SQLite is the main database backend that Android uses to manage complicated data. It provides more structure
How to Create Lists using RecyclerView
In this post, we’re going to look at the newer RecyclerView to build more complicated lists and list items. RecyclerView was a recently added UI item that gave developers fine-grain control and power over
How to Create Simple Lists using ListViews
Hello World! In this post, we’re going to learn how to use one of the most useful views in Android: the ListView. We can use ListViews to present data in the form
Creating a Unit Converter App – Part 2
This is Part 2 of the series on creating a Unit Converter app (you can view part 1 here). In this final section, we’re going to work on the View and Controller of our Unit
Creating a Unit Converter App – Part 1
In this post (split into two), we’re going to build a unit converter app. We’ll be learning many things along the way like the Model-View-Controller (MVC) pattern, Java Enums, and Spinners. By the
Basic UI Widgets – TextViews, EditTexts, and Buttons
Hello World! In this post, we’re going to be going in-depth into several of the most common UI elements that we’ll encounter in Android: TextViews, EditTexts, and Buttons. We’ll be looking
Hola World – First Steps with Android
Hello World! In this post we’re going to create our very first Android application! We’re going to download Android Studio and other prerequisites. Then we’re going to create a new
Zero-Day Java Guide 4 – Advanced OOP
Interfaces There are cases in software development when we need to agree upon a contract that dictates how software components interact with each other. This allows many people to write
Zero Day Java Guide 3 – Object-Oriented Programming
Introduction to Objects Object-oriented programming (shortened to OOP) applies the concepts of real-world objects to programming. For example, think of an object near you: a pen, a chair, a computer.
Zero-Day Java Guide 2 – Operators and Control Flow
Operators In the previous sections, we learned how to create and use Java variables and arrays. Now that we can store data as variables, we need to perform operations on
Zero-Day Java Tutorial – Comprehensive Beginner’s Journey
If you’re looking for a Java tutorial, you’ve come to the right place to learn to code Java. Computers can do some amazing things: track trends in data to predict
Free eBook – Java Programming for Human Beings
We are happy to announce the launch of our free ebook Java Programming for Human Beings – The Ultimate Beginner’s Introduction, authored by mobile application developer, contractor and online trainer