Android Training

http://developer.android.com/training/index.html

• Getting Started
• Building Apps with Content Sharing
• Building Apps with Multimedia
• Building Apps with Graphics & Animation
• Building Apps with Connectivity & the Cloud
• Building Apps with User Info & Location
• Building Apps for Wearables
• Building Apps for TV
• Building Apps for Auto
• Best Practices for Interaction & Engagement
• Best Practices for User Interface
• Best Practices for User Input 
   

Getting Started

Welcome to Training for Android developers. Here you'll find sets of lessons within classes that describe how to accomplish a specific task with code samples you can re-use in your app. Classes are organized into several groups you can see at the top-level of the left navigation.
This first group, Getting Started, teaches you the bare essentials for Android app development. If you're a new Android app developer, you should complete each of these classes in order.

If you think you might prefer to learn the basics through interactive video training, check out this trailer for a course in the fundamentals of Android development.
Start the video course

1. Building Your First App

   
   After you've installed the Android SDK, start with this class to learn the basics about Android app development.
   1. Creating an Android Project
   2. Running Your Application
   3. Building a Simple User Interface
   4. Starting Another Activity

2. Adding the Action Bar

   
   The action bar is one of the most important design elements you can implement for your app's activities. Although first introduced with API level 11, you can use the Support Library to include the action bar on devices running Android 2.1 or higher.
   1. Setting Up the Action Bar
   2. Adding Action Buttons
   3. Styling the Action Bar
   4. Overlaying the Action Bar

3. Supporting Different Devices

   
   How to build your app with alternative resources that provide an optimized user experience on multiple device form factors using a single APK.
   1. Supporting Different Languages
   2. Supporting Different Screens
   3. Supporting Different Platform Versions

4. Managing the Activity Lifecycle

   
   How Android activities live and die and how to create a seamless user experience by implementing lifecycle callback methods.
   1. Starting an Activity
   2. Pausing and Resuming an Activity
   3. Stopping and Restarting an Activity
   4. Recreating an Activity

5. Building a Dynamic UI with Fragments

   
   How to build a user interface for your app that is flexible enough to present multiple UI components on large screens and a more constrained set of UI components on smaller screens—essential for building a single APK for both phones and tablets.
   1. Creating a Fragment
   2. Building a Flexible UI
   3. Communicating with Other Fragments

6. Saving Data

   
   How to save data on the device, whether it's temporary files, downloaded app assets, user media, structured data, or something else.
   1. Saving Key-Value Sets
   2. Saving Files
   3. Saving Data in SQL Databases

7. Interacting with Other Apps

   
   How to build a user experience that leverages other apps available on the device to perform advanced user tasks, such as capture a photo or view an address on a map.
   1. Sending the User to Another App
   2. Getting a Result from the Activity
   3. Allowing Other Apps to Start Your Activity

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