Content Roadmap
We are always working on new content so Treehouse students can stay up to date with the latest technology. This content roadmap contains everything that's planned for release. Please contact support if there is a course you want to take but don't see listed.
The dates reflected for each course are estimates and may change.
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Course
Build an Image Viewer
In this course, we're going to build an image viewer that allows a user to thumb through an album of images, select one and then perform the usual operations like pinching, zooming and so on. In doing so we'll develop and understanding of Scroll Views in iOS and how to implement paging.
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Course
Build A Selfie App
In this course we're going to build an app that is quite popular these days - a selfie app! We'll learn how to build and apply filters, how to use Core Data for more than just a single entity and how to use the device's camera to create a fun app!
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Course
Build a Simple Android App with Kotlin
This course covers the very basics of Android development. We will build a simple app that will serve up some fun facts when you tap on a button. We introduce you to programming in Android, a tool for Android development called Android Studio, and some very basic concepts of the Android Software Development Kit, or SDK. By the end you will have a good idea of how a basic app works, and you will be armed with the knowledge to start building more.
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Course
Introduction to Xamarin
An introduction to developing mobile apps using the Xamarin platform. You'll learn what the Xamarin platform is and how it works. You'll setup a development environment that will allow you to build Android and iOS apps. You'll also learn techniques to share code across mobile platforms. Complete this course and you'll have a functioning app on Android and iOS using the Xamarin platform.
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Course
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Ruby Basics (Refresh)
This is our classic Ruby Basics course, new and improved! Ruby is a programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. In Ruby Basics, we'll learn how to work with Ruby and write simple Ruby programs.
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Workshop
Practice First-Class Functions in Python
Functions are first-class objects in Python. They can be stored and passed around like other objects. Let's see it in action!
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Workshop
Practice Writing Loops in Python
Programming with loops can be tricky, and the best way to get comfortable and grow your understanding is by practicing them.
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Course
CSS Grid Layout
CSS Grid Layout provides a built-in, more efficient way of designing grid-based layouts in the browser. It brings a new set of properties, functions and flexible units that let you control the exact placement and sizing of grid components.
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Course
Active Record Associations in Rails
Most of your Rails models are going to be connected to other models in some way. An Author has many Articles, and each Article belongs to an Author. A Doctor has many Patients, and a Patient may have many Doctors as well. Rails uses associations to make it easy to track these relationships in your database.
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Course
Saving Data on a Server
So far all our networking code could do was make GET requests but being able to send and save data to a server is just as important. In this course, let's improve our networking code and learn how to make a POST request. There are a lot of additional concerns when saving data and we'll spend some time talking about security, preventing malicious input and much more.
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Course
Unit Testing in iOS
Unit testing allows you to test your application for logic errors, prevent crashes, and even write better code. In this course, we cover the philosophy behind unit testing, ways we can structure our code to make it more testable and look at tools we can use to test our code. We'll look at both tools that come built in, like the XCTest Framework in Xcode, as well as a few third party solutions for both Objective-C and Swift.
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Course
Prototyping with Figma
In this course, you'll learn how to build interactive and sharable prototypes in Figma, a web-based visual prototyping tool. You'll create a prototype for a "prosumer" mobile photography app, and by the end, you'll have a better understanding of how to create interactive prototypes that can be shared with project stakeholders and team members.
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Course
Introduction to Digital Media Through Photoshop
Get started with creating your own digital media files. Setting up your documents properly before you start creating will be crucial for your end product. In this course we’ll learn what those considerations are as well as how to choose the right options. We’ll introduce the most prolific creative application Photoshop to set up our files, make some adjustments and come out the other end with a banner ad suitable for use on the the desktop and mobile as well as print. This course is perfect for anyone looking to get started with design or photography.
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Workshop
Practice CSS Grid: Columns, Rows and Gaps
Practice declaring row and column tracks, as well as applying gutters between them.
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Workshop
Practice Flexible CSS Grid Layout
Practice using CSS Grid features that adapt your content to available space and intelligently size and position items within the grid container.
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Workshop
Practice Grid Template Areas
Let's practice using grid template areas, a feature of CSS Grid that lets you assign named grid areas to items, and use those names to position items on the grid.
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Course
Building Services with ASP.NET Web API
Services expose data and processes through APIs (Application Programming Interfaces) implemented using common approaches or standards. Decoupling our back-end from our front-end makes it possible for our services to support multiple client apps. We can even allow other developers and organizations to consume and use our services to further broaden the reach of our applications. In this course, you'll learn how to use the ASP.NET Web API framework to build a RESTful service or HTTP API. As you learn about Web API, you'll create a service for the Fitness Frog single-page web app (SPA) developed using Angular.
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Course
Bootstrap 4 Basics (Refresh)
Learn to use the latest in Bootstrap 4, one of the most popular open source front end frameworks, to help you build a functional design and layout in little time.
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Course
JavaScript Array Iteration Methods
Learn how to access and transform data in arrays with JavaScript's array iteration methods. You'll learn how, why and when to use these powerful methods to make your code easier to read and more concise.
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Course
Data Analysis Basics: Making Decisions with Data
Learn how to make better decisions with data in this course on data analysis. We'll start by looking at what data analysis is, and then we'll see how we can use data analysis to create better outcomes.