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Intro to Android For the iOS fan. Denver Java Users Group January 11, 2012 Mike Wolfson. About Me. Droid Of The Day. Introduction. iPhone is different than Android Can’t directly port Web is not the same either Android has it’s own peculiarities and UI paradigms, that must considered

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intro to android for the ios fan

Intro to Android For the iOSfan

Denver Java Users Group

January 11, 2012

Mike Wolfson

about me
About Me

Droid Of The Day

introduction
Introduction
  • iPhone is different than Android
    • Can’t directly port
    • Web is not the same either
  • Android has it’s own peculiarities and UI paradigms, that must considered
  • Asset management is particularly important
open handset alliance
Open Handset Alliance

”Android was built from the ground up with the explicit goal to be the first open, complete, and free platform created specifically for mobile devices.”

http://www.openhandsetalliance.com

revision lifecycle
Revision lifecycle
  • Named after deserts
    • Donut, Éclair, Froyo, Honeycomb
  • “Ice Cream Sandwich” (OS 4.0)
    • Due Q4
    • OS 4.0
    • “Universal OS”
  • 6 month releases
open and free
Open and Free
  • Open Source:
  • No licensing cost for manufacturers
  • Can be used in different ways

http://source.android.com/download

different flavors of android
Different “Flavors” of Android
  • AOSP
  • With Google Experience
  • Amazon Fork
  • CyanogenMod
complete
Complete
  • Computer in a box
  • Android@Home
  • TV
  • One OS to run everywhere
growth
Growth
  • Manufacturers and carriers love it
  • 700,000 Devices Activated a day
  • Developers love it
    • Much less control
    • Less restrictions make for easier money making
  • It’s getting big
    • 36 OEMs, 215 Carriers, 450K Devs
vendor customizations
Vendor Customizations

Google

Standard UI

HTC

Sense UI

Samsung

Touch Wiz

Motorola

Moto Blur

many phones carriers manufacturers
Many Phones\Carriers\Manufacturers
  • Fragmentation
  • Not all phones are created equal
  • Vendor UI Customization
  • Carrier is in control
  • Irregular upgrade lifecycle
multiple resources and layouts
Multiple resources and layouts
  • Multiple Layouts

and Graphic Assets

  • Can also be used for

language localization

  • Use Density Independent

values (DP) in layouts

Ex. android:paddingLeft="8dp“

  • draw9patch
testing multiple devices
Testing Multiple Devices
  • Emulator
  • “Dogfooding”
android dev tools
Android Dev Tools
  • Eclipse
  • Java
  • Common tools and add-ons are supported by default
  • Object oriented with a strong emphasis for configuration over coding
  • Tools are optional (not required)
automated testing
Automated Testing
  • Continuous Integration tools
    • Maven\Jenkins plugins

http://code.google.com/p/maven-android-plugin/Performance testing

  • SDK Tools
    • TraceRunner, etc
    • Monkey Runner
  • External Resources
    • Robotium
support resources
Support resources
  • iPhonedev’s must sign NDA, which means content is fairly light on the web
    • Must pay to join dev program, where all the info is.
  • Plenty of free Android resources
app store
App Store
  • Content of store
  • Approval Process
  • Feedback
  • Web component
  • Low barrier to entry ($25/life)
  • Android Market not mandatory
    • Side load
    • Alternative markets
icons
Icons
  • “I won’t download an app with crappy icons”
  • Google clearly defines guidelines
  • Ice Cream Sandwich changes

http://developer.android.com/guide/practices/ui_guidelines/icon_design.html

android ui paradigms
Android UI Paradigms
  • 4 buttons
    • “Back”
    • “Menu” - context sensitive
    • “Home”
    • “Search” – context sensitive
  • Widgets and shortcuts
  • Customizable Home screen
  • Notifications
  • Live Wallpaper
  • “App Drawer”
navigation
Navigation

Android

iOS

dashboard pattern
Dashboard Pattern

http://www.androidpatterns.com/uap_pattern/dashboard

action bar pattern
Action Bar Pattern

http://www.androidpatterns.com/uap_pattern/action-bar

part 2 prep optional

Download Project: http://dl.dropbox.com/u/23589031/DJUG.zip

Unzip project to desktop

In Eclipse: File\Import\Import Existing Project into workspace

Part 2 prep (optional):