Android文档 学习目录

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