Android Apps from Scratch

McKelvey’s Presentation Rules

• Cell Phones – Ok

• Questions – Ok

• Interruptions – Bring it!

The Fundamental Rule

• Have one guaranteed user before you start building your app.

• Really simple…

• How does this ensure a good app?

Makes you answer important ?’sBEFORE YOU START

Why this rule works

• Process of Innovation:

– Embodiment of a useful idea in the marketplace

– Useful idea

– In the marketplace

For us

• Identify problems to solve

• Solve those problems in new ways

Identifying Opportunity

Identifying Opportunity

• Fundamental rule for a successful app

• Real-life TDD

• Where user stories can come from

• For profit?

Where User Stories Come From

For Profit?

For Profit

• Customer vs User

• Three vs One

• Three Guaranteed Customers

The Metrolink App

• User story we encountered

• Basic hardcoded implementation

– One specific user story

What Next?

What next?

• Survey your options

• Select your tools

Intro to Android

• Has many API levels

• The Android Dashboard

• Quick project structure tour (live code)

API Level Breakdown

• Froyo/Gingerbread 1.5->2.3 (3-10)– Specifically for Smartphones

• Honeycomb 3.0-3.2 (11-13)– Specifically for Tablets

• Ice Cream Sandwich 4.0 (14-15)– Merging of all previous functionality

• Jelly Bean 4.1+ (16-18)– UI Updates & Google Play integration

• Next: Kit-Kat

Basic Components

• Lots of room for Activities

• Views

• Intents ->

Activities

Views

What you can do tomorrow

• Google “android developer”

• Download eclipse, mess around

• Prepare…

October KJUG

• Making Games in HTML5 (aka #!%& flash)

• Intermediate Android Development

• Chip’s Presentation

A riddle

• What lasts all night

• Is fueled by energy drinks, snacks and sweets

• really HACKS that frontal cortex

• And looks fantastic on your resume?

• Coming April, 2014