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 context. Suppose we were looking at our email in the Inbox or Gmail app and wanted to delete an email. We could tap on the email … Read more How to Use Contextual Toolbar and ActionBar in Android

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 bar of an app that houses the logo or name of the app as well as a navigation drawer perhaps. One of the most prominent items on that … Read more How to Create Toolbars and Menus in Android

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 and functionality than storing data in a file or anywhere else. Database backends are widely used to store data locally on the device and sync with a web … Read more Introduction to SQLite Databases on Android Devices

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 their lists or grids. However, as we’ll find out, that great power comes with great responsibility. RecyclerView doesn’t provide much of the basic functionality that ListView … Read more How to Create Lists using RecyclerView

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 of a list. We can choose any kind of data as input and display it however we want. That’s the power of a ListView. In this … Read more How to Create Simple Lists using ListViews

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 Converter and learn about how we can design a UI with Spinners to allow the user the convert units. View Since we have a relatively … Read more Creating a Unit Converter App – Part 2

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 end of this post, we’ll have a working app that will allow us to convert to and from various units of distance like miles, centimeters, kilometers, and other units. … Read more Creating a Unit Converter App – Part 1

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 into their properties and some of Java’s language features like anonymous inner classes. TextView The simplest way to show the user text is through the TextView … Read more Basic UI Widgets – TextViews, EditTexts, and Buttons

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 Android Studio project and write a little app such that the user can type in his or her name, press a button, and the app will … Read more Hola World – First Steps with Android

Online Course – Learn Android Marshmallow Development

What if you could learn, from total scratch, to code in Java and make your own Android M phone and wearable apps? In this course, you will learn to create your own Android M apps from scratch using Java. The course includes 5 Real-World apps fully explained and built from the ground up + the … Read more Online Course – Learn Android Marshmallow Development