Android App Development 11-18-2013

Android App Development

11-18-2013

 Android app development Read: http://developer.android.com  Building your first app 



Dan Morrill (Clarkson grad)

Exam#2 is scheduled for Tues., Nov. 19, 7:00 pm, Snell 213

PR#2 due: Wednesday, 12/04/13

 Google  OHA

(Open Handset Alliance)  The first truly open and comprehensive platform for mobile devices, all of the software to run a mobile phone but without the proprietary obstacles that have hindered mobile innovation.  Designed primarily for touchscreen mobile devices and tablets

 Linux OS kernel  Java programming  Open source libraries: SQLite, WebKit, OpenGL

 Views:  Building

block for user interface components.

 Activities: A

single, focused thing that the user can do.

 Services (Background)  e.g.

Network Operation

 Intent  Intercommunication

among activities or services

 Resource  Externalization

of strings and graphics

 Notification  signaling

users: Light, sound, icon, dialog, …

 The Android Emulator  Implementation

of the Android virtual machine  Test and debug your android applications.

 Android Debug Bridge (ADB)  Manages

the state of an emulator instance or Android-powered device  Copy files, install compiled application packages, and run shell commands.  Traceview: Graphical analysis tool for viewing the trace logs from your Android application  Debug your application and profile its performance

 Get the Android SDK  

http://developer.android.com/index.html Recommends: Android Developer Tools (ADT) bundle ● Eclipse with ADT plugin ● Android SDK tools ● Android Platform-tools ● The latest Android platform ● The latest Android system image for the emulator

 Install the SDK and Eclipse IDE  Tutorial: Building your first app 

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

 Android Studio 0.3.5 released Nov. 2013  New IDE for the Android platform  Based on IntelliJ IDEA (from jetbrains.com)

 Download the latest JDK (Java distribution)  Download the Eclipse IDE (e.g. Kepler or Juno)  Install the Android SDK starter package from:  http://developer.android.com/sdk/index.html

 In Eclipse, the ADT (Android DeveloperTools) plugin:  http://developer.android.com/sdk/eclipse-adt.html  install

 Instructions on setting up the SDK and development Environment can be found on:  http://developer.android.com/sdk/installing.html

 Gives access to Android development tools from within the Eclipse IDE  Automates the process of building a new Android project by setting up all the basic files needed for development  Allows code signing of your app so it can be distributed

 http://developer.android.com/sdk/eclipseadt.html#installing (to simplify ADT setup, install the Android SDK prior to installing ADT ) 1. Start Eclipse, then select Help>Install New Software.... 2. Click Add, in the top-right corner. 3. In the Add Repository dialog that appears, enter "ADT Plugin" for the Name and the following URL for the Location: https://dl.google.com/eclipse/plugin/4.3 4. In the Available Software dialog, select the checkbox next to Developer Tools and click Next. 5. In the next window, you'll see a list of the tools to be downloaded. Click Next. 6. Read and accept the license agreements, then click Finish. 7. When the installation completes, restart Eclipse.

 Add your virtual development devices using this  AVD is a target device simulator: no sensors

Once you complete the New Project Wizard, ADT creates the following folders and files in your new project:  src/ Includes your stub Activity Java file. All other Java files for your application go here.  / Includes the android.jar file that your application will use  gen/ This contains the Java files generated by ADT, such as your R.java file and interfaces created from AIDL files.  assets/This is empty. You can use it to store raw asset files.  res/ A folder for your application resources, such as drawable files, layout files, string values, etc.  AndroidManifest.xml The Android Manifest for your project.  default.properties This file contains project settings, such as the build target.

 Download and install the Android SDK and Android Developer Tools (ADT)  Do the first tutorial to create an app  Have Fun!