ANDROID DEVELOPMENT PRIMER

01-22-2015

+Gerard Cordero@GerardCordero

http://goo.gl/DdsLO2

IDE DOWNLOAD AND INSTALLATION

ANDROID STUDIO• The IDE for building Android-based

applications

• Phone and Tablet

• Android TV

• Android Wear

• Glass

DOWNLOADING ANDROID STUDIO

1. Go here:

• http://developer.android.com/sdk/index.html

2. Click on “Download Android Studio”

3. Extract and run the executable (Mac users: see next slide first)

EXTRA STEPS FOR MAC USERS• Preform these steps before running the install

program

1.Apple > System Preferences

2.Security & Privacy

3.Set to “Mac App Store and identified developers” or “Anywhere”

4.Run the install program

5.Afterwards, set it back to “Mac App Store"

TOUR OF ANDROID STUDIO

ANDROID STUDIO IN ACTION

ANDROID STUDIO IN ACTION

Folder and File Explorer

ANDROID STUDIO IN ACTION

Tabs for each open file

ANDROID STUDIO IN ACTION

Design and Code view switcher

ANDROID STUDIO IN ACTION

Component Palette when editing

a Layout

ANDROID STUDIO IN ACTION

Graphical interface for editing Layouts

ANDROID STUDIO IN ACTIONLogical hierarchy of

UI components

ANDROID STUDIO IN ACTION

Properties of the currently selected UI

element

ANDROID STUDIO IN ACTION

For picking which app to run or debug (Android, Wear, …)

ANDROID STUDIO IN ACTION

Run or Debug the currently selected app

ANDROID STUDIO IN ACTION

Debugger interface

ANDROID STUDIO IN ACTION

Debugger commands (rerun, resume, stop, step over,

step into, …)

ANDROID STUDIO IN ACTION

Autos

ANDROID STUDIO IN ACTION

Watches

ANDROID STUDIO IN ACTION

Code editor when editing java

file

ANDROID STUDIO IN ACTION

For checking your app’s memory usage

APP STRUCTURE

RESOURCES• Non-executable parts of an app

• Drawable - icons

• Layout - UI layout

• for landscape: create layout-land folder

• Menu - Menu items

• Values - for themes, and storing key-value pairs

• for other language: values-es

JAVA CODE• Per Android Developer site, you need

JDK 7

• http://developer.android.com/sdk/index.html

• resides in src > main > java

• MainActivity.java - default starting point

PACKAGES• As your app gets bigger, you need to organize it

• That’s where packages come in

• make folders for modules

• adjust the “package” statement at the top of affected java file

• Example (left): GDG app, from https://github.com/gdg-x/frisbee/tree/develop/app/src/main/java/org/gdg/frisbee/android

DEVELOPER RESOURCES

ANDROID DEVELOPER SITE

• http://developer.android.com/index.html

• Main source of documentation

• You will be here a lot!

DESIGN

• This section contains guides on making great UIs

DEVELOP

• This is where you go for coding help

DEVELOP > TRAINING

• Step by step instructions on various topics

DEVELOP > API GUIDES

• Detailed concepts and sample code on various topics

DEVELOP > REFERENCE

• Detailed reference on Packages, Interfaces, Classes, Constructors, Methods

DISTRIBUTE

• Guides on Publishing and Monetizing apps, as well as user acquisition

YOUTUBE CHANNELS• Android Developers:

• https://www.youtube.com/user/androiddevelopers

• Google Developers:

• https://www.youtube.com/user/GoogleDevelopers

• Slide Nerd:

• https://www.youtube.com/user/slidenerd

ONLINE COURSES

• Coursera:

• https://www.coursera.org/course/android

• Udacity:

• https://www.udacity.com/course/ud853

ADVANCED HELP

• Stack Overflow:

• http://stackoverflow.com/questions/tagged/android

Q&A

• Questions?

• Comments?

• Suggestions?

HAPPY CODING!Share this presentation:

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