easier android development with titanium

Jeff Bonnes

twitter: @titaniumdev

http://www.titaniumdevelopment.com.au

Easier Android Development

Agenda

• Android Market and Behaviours

• Planning your App

• Smarter Defaults

• Tips, Tricks and Advice

Background

App Download Culture

0

25

50

75

100

iOS Android

App Download Culture

Android by the numbers• Australian Market Share (Dec 2012)

0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% 100.0%

iOS Android

Android by the numbers

• Australian Market Share (Dec 2012)

• US Market Share

• Why?

X-platform Examples

X-platform Examples

X-platform Examples

X-platform Examples

Before you code• Target API?

Before you code• Devices / Screen Sizes?

Coding Approaches

• Different Apps

• Different UI Code

• Different CommonJS Modules

Project Setup

• dps vs pixels

• density specific images

Project Setup

• Other tiapp.xml values

Development Workflow• You are using TiShadow, aren’t you?

• fastdev

• Android 2.3 in Emulator, 4.x on device

• Intel x86 Atom System Image: no Google APIs :-(

• VM for Emulator

• tracer.js

Navigation

Action Bar

• Android 3.0+ only

• Must use Heavyweight windows

Alternate Navigation• TiXUI

• title

• titleControl

• barImage

• rightNavButton

• leftNavButton

require('xui').createWindow();

Light vs Heavy Windows

• Activity

• Back Button

• Animation

• activityEnterAnimation

• activityExitAnimation

• Memory?

• fullscreen• navBarHidden• modal• windowSoftInputMode

Images

• Don’t allow Android to stretch images

• Don’t use images for backgrounds (especially windows!)

Show only what you need

• Things are S L O W E R

• JSON Parsing

• SQLite Updates

• event firing

• Load things only as you need them

Freeing Resources

• Close Windows

• Memory Debugging

• Instruments first

• then DDMS

Intents

• Do less work - use less frameworks

• See Titanium.Android.Intent

Packaging Tricks

• Image Compression

• uses-feature

• Icons - drawables (http://ticons.fokkezb.nl/)

Thank You!

• twitter: @titaniumdev

• http://www.titaniumdevelopment.com.au

• https://github.com/jeffbonnes/TiXUI