Android

Android (operating system)Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets. In addition, Google has further developed Android TV for televisions, Android Auto for cars, and Android Wear for wrist watches, each with a specialized user interface. Variants of Android are also used on game consoles, digital cameras, PCs and other electronics.

Android developers build mobile applications on the most widely-used mobile platform in the world. They build apps that run on both smartphones and tablets and can even run on Android smartphones or TVs.

Android is a mobile operating system created by Google. You may also have heard of its main competitor: iOS, which is made by Apple. Android is similar in terms of functionality but looks different and runs on different types of phones.

An Android developer:

  • Builds mobile applications on the Android operating system
  • Writes clean, well-structured code
  • Writes unit and integration tests for their code
  • Takes project briefs from clients and builds apps based on those needs 
  • And more!

Android developers are actively recruited by every kind of company, from startups to big companies. Google products are widely used in almost every industry, and no company that ventures into web or mobile services would be able to do so fully without building Android applications, as Android is the most widely-used mobile platform in the world.

What will I learn?

  • Create Android applications based on Java and the development environment Android Studio
  • Communicate with a database to store and retrieve information
  • Write unit and integration tests, as well as interface tests
  • Produce technical and functional documentation of an application
  • Use a network to retrieve information
  • Understand and apply Design Patterns to ensure application stability
  • Analyze a project brief and choose a technical solution 
  • Create technical architecture using UML diagrams
  • Respect Material Design recommendations in order to provide the best user experience possible

At OpenClassrooms, learning is project-driven because that’s the fastest way to become proficient. Projects offer hands-on experience so you can hit the ground running when you start your new job.

iPhone Operating System

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. It is the operating system that presently powers many of the company’s mobile devices, including the iPhone, iPad, and iPod Touch. It is the second most popular mobile operating system globally after Android.

This course will introduce you to iOS app development in Swift, a new programming language from Apple, and serves as your launching point into the iOS Developer Nanodegree.

Introduction to Swift and Xcode: the tools of iOS
  • Take a tour of Xcode, Apple’s integrated development environment.
  • Get to know the Model View Controller, or MVC, design pattern
iOS App Structure: AutoLayout and Buttons
  • Learn Storyboard and AutoLayout, the tools used to build user interfaces in iOS.
  • Start developing the Pitch Perfect App and creating the UI.
  • Use Autolayout constraints to control the placement of UIButtons and UILabels on the screen.
Using ViewControllers to build an app with Multiple Views
  • The UIViewController class, View Controller Lifecycle, and Multiple Views.
  • Learn how to react to touch events and change the user interface.
  • Add a second screen to your app using a UINavigationController.
How to record audio and use the Delegation Design Pattern
  • Learn about the AVFoundation class, AVAudioRecorder.
  • Setup audio recording in the Pitch Perfect App.
  • Practice using the Delegation pattern and implement programmatic segues.
Playback Sound and Add Sound Effects
  • Setup audio playback including rate, pitch, echo, and reverb.
  • Use UIStackViews to create an elegant layout for your app’s UIButtons.
  • Use class extensions to add functionality to your app.
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