Development-Introduction Android Application Development-Introduction

Overview What is Android? Why teach Android? What do you need in order to learn Android? Hello, Android

What is Android?

What is Android? An open source Linux-based operating system intended for mobile computing platforms Includes a Java API for developing applications It is not a device or product

Why teach Android?

Mobile Application development Smart Phones Internet access anywhere Social networking Millions of mobile users Open standards

Android vs. iPhone Java vs. Objective-C Direct install vs. Marketplace vs. App Store Open source?

What Should Students Already Know? Java! inheritance, method overriding interfaces, casting exceptions debugging reading API documentation

Do I Need Phones? You can use emulator-the emulator that is part of the Android toolset for Eclipse is quite good (though a bit slow) You can use real phones to test

Skills Will Students Learn? Separation of UI design and functionality XML and resource files Events and Listeners Callback methods Threads

Online Resources developer.android.com code.google.com/p/apps-for-android/ stackoverflow.com videos from Google I/O conferences

“Hello, Android”

Creating Your First Android App Set up development environment Create Android project Run it in the emulator

1. Developing tools Install Android Studio Install Android SDK (Android libraries) Install ADT plugin (Android development tools) Create AVD (Android virtual device) https://developer.android.com/studio/install.html

Setup up Android Studio

Setup up Android Studio

Setup up Android Studio

Setup up Android Studio

Setup up Android Studio

New Project

New Project

New Project

New Project

New Project

New Project

Project Structure Each project in Android Studio contains one or more modules with source code files and resource files. Types of modules include: Android app modules Library modules Google App Engine modules Each app module contains the following folders: Manifests:Contains the AndroidManifest.xml file. Java:Contains the java source code files,including Junit test code. Res:Contains all non-code resources,such as xml layouts,UI strings, and bitmap images.

3. Run the Android Application Run → Run (or click the “Run” button) Select “Android Application” The emulator may take a few minutes to start, so be patient! You don't need to restart the emulator when you have a new version of your application

select Run > Create Virtual Device

Choose Virtual Device

Choose Virtual Device

Run on the emulator

Run on a Real Device 1.install the Android USB device driver 2.plug the device into computer using USB cable