KC Java Android Talk (March 2011)

Beginning Elementsof Android

Hacker Phone 3000

Prerequisite Knowledge•  Java •  XML •  UI Design* •  SQLite* •  Graphics Crea:on/Manipula:on* 

Me and Java

Me and XML

Tools•  Environment setup  –  Eclipse w/ADT  –  hDp://developer.android.com/sdk/installing.html •  adb  –  Debugging tool that comes with SDK •  DroidDraw  –  hDp://www.droiddraw.org/ •  Photoshop/GIMP  –  More of a nicety than a requirement 

Development Workﬂow1.  What type of app? 2.  Match with exis:ng sources 3.  Ini:alize a repository  –  Lost work sucks…   –  hDp://github.com is free 4.  Rough out the basic ac:vity and layout 5.  Refactor code while con:nuing to polish  –  TDD? 6.  Polish UI with layout tool and possibly graphics  –  DroidDraw 7.  Proﬁt!  –  Android Market  –  Free op:ons 

Live Coding

Example Program 1•  Hello World! •  Main class ﬁle •  Layout XML •  Manifest XML  –  Handled by the Eclipse UI ini:ally 

Basic Concepts•  UI elements in Java or XML  –  Tradeoﬀs •  Override  –  onCreate 

Example Program 2•  Widget example  –  Pull fortune RSS feed  –  Widget requirements  –  Styling widgets 

Example Program 3•  Choose your own adventure game  –  Look at older code example that I did in  Ganymede with Android 1.6  –  Refactoring  –  DroidDraw in use 

Resources•  SDK site  –  hDp://developer.android.com •  Books  –  Hello, Android! [ISBN: 1934356565]  –  Android Cookbook [ISBN: 0321741234] 

Resources•  Other code in OSS community 

KC Java Android Talk (March 2011)

by osake on Mar 09, 2011

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KC Java Android Talk (March 2011) — Presentation Transcript