Android - CodeMiner 42 Tech Talk

AndroidVisão Geral

Monday, July 2, 12

Jonas Alves

• Android, iOS• NetMovies

• Ed. Globo

• Ruby e Rails• Qoiza

• JavaScript (Backbone.js, etc)• NetMovies

Monday, July 2, 12

Android

Monday, July 2, 12

“Mais um SO mobile!?” http://www.youtube.com/watch?v=89xc_1Vv69k

Vic GundotraSenior VP

Monday, July 2, 12

“Um SO aberto”

Andy RubinSenior VP

Monday, July 2, 12

Aberto para a inovação

Monday, July 2, 12

Aberto para a inovação

Com teclado

Monday, July 2, 12

Aberto para a inovação

Sem teclado

Monday, July 2, 12

Aberto para a inovação

Tela grande

Monday, July 2, 12

Aberto para a inovação

Tela pequena

Monday, July 2, 12

Aberto para a inovação

Interface exclusiva

Monday, July 2, 12

Aberto para a inovação

iDEN (Push to Talk)

Monday, July 2, 12

Aberto para a inovação

Filma em 3D

Monday, July 2, 12

Aberto para a inovação

Leitor de livros

Monday, July 2, 12

Aberto para a inovação

HSDPA

Monday, July 2, 12

Aberto para a inovação

Long Term Evolution (LTE)

Monday, July 2, 12

Aberto para a inovação

WiMAX

Monday, July 2, 12

Aberto para a inovação

Tablet

Monday, July 2, 12

Aberto para a inovação

Conversível?

Monday, July 2, 12

Aberto para a inovação

Tela curva

Monday, July 2, 12

Aberto para a inovação

Monday, July 2, 12

O consumidor escolhe

http://www.flickr.com/photos/tfrancis/2558039735/

Monday, July 2, 12

Market Share IDC Worldwide Mobile Phone Tracker, May 24, 2012

Android59.0%

iOS23.0%

Symbian6.8%

BlackBerry OS6.4%

Linux2.3%

Windows (Mobile + Phone 7)2.2% Other

0.3%

Q1 2012 Shipments

Monday, July 2, 12

Ad Impressions Millennial Media, Q1 2012

1.0%3.0%

14.0%

33.0%

49.0%

AndroidiOSBlackBerry OSWindows (Mobile + Phone 7)Symbian

Monday, July 2, 12

Daily Android Activations Andy Rubin, Google

0

250,000

500,000

750,000

1,000,000

2010 2011 June/2012

1,000,000

500,000

100,000

Monday, July 2, 12

Google Play Apps former Android Market

0

150,000

300,000

450,000

600,000

Mar ‘09 Mar ‘10 Aug ‘10 May ‘11 Oct ‘11 Jan ‘12 Jun ‘12

20 bi downloads

Monday, July 2, 12

Android + iOS

80%Monday, July 2, 12

“One size fits all” frameworks

Monday, July 2, 12

Destaques do Rhodes: UI e UX ruins

Monday, July 2, 12

Características do Android

Monday, July 2, 12

Gerenciamento de memória

Garbage Collector

Monday, July 2, 12

Gerenciamento de memória

Memória livre é desperdício

Monday, July 2, 12

Gerenciamento de Memória

• O SO fecha e restaura aplicativos automaticamente, conforme necessário

• O desenvolvedor não precisa não deve finalizar aplicativos manualmente

Monday, July 2, 12

O Framework

• Views

• Content Providers

• Intents

• Resource Manager

• Notification Manager

• Activity Manager

• ...

Monday, July 2, 12

Views

• Desenham seu conteúdo em um canvas

• Eventos (touch, keys, focus)

• Temas e estilos

• Layouts

Monday, July 2, 12

Layouts

• FrameLayout

• LinearLayout

• RelativeLayout

• TableLayout

LayoutParams

Monday, July 2, 12

Content Provider

• Contatos

• Mídia

• Despertador

• Histórico de ligações

• Live Folders

• Configurações

• query()

• insert()

• update()

• delete()

Monday, July 2, 12

Resource Manager

Monday, July 2, 12

Activity

• É uma tela do aplicativo

• Carrega a hierarqia de views que será exibida na tela

• Recebe eventos

Monday, July 2, 12

Ciclo de vida da Activity

Monday, July 2, 12

Segurança

• Permissões no AndroidManifest.xml

• Ao instalar, o usuário é avisado sobre as permissões

• Linux: UID

Monday, July 2, 12

Tela

• Tamanhos• small

• normal

• large

• x-large

• Densidades• ldpi (0.75)

• mdpi (1.0)

• hdpi (1.5)

• xhdpi (2.0)

http://developer.android.com/resources/dashboard/screens.html - May 1, 2012

Monday, July 2, 12

Fragmentação

http://developer.android.com/resources/dashboard/platform-versions.html - May 1, 2012

Monday, July 2, 12

Honeycomb

• Interface otimizada para tablets

• Notificações mais ricas

• Aceleração de hardware para APIs de views

• Action Bar

• Fragments (+ compatibility package)

• Renderscript

Monday, July 2, 12

HoneycombFragments

Monday, July 2, 12

HoneycombFragments

Monday, July 2, 12

Android Open AccessoryPeriféricos USB <=> SO e Apps

Compatível com ArduinoGingerbread (2.3.4) e Honeycomb (3.1)

http://www.youtube.com/watch?v=OxzucwjFEEs

Monday, July 2, 12

Google TVAndroid na sala

Monday, July 2, 12

Ice Cream SandwichUm só SO para todos os tipos de dispositivos

http://www.youtube.com/watch?v=OxzucwjFEEs

Monday, July 2, 12

Ice Cream SandwichInterface refinada

http://www.youtube.com/watch?v=OxzucwjFEEs

Monday, July 2, 12

Ice Cream SandwichFramework avançado que simplifica cross-device

http://www.youtube.com/watch?v=OxzucwjFEEs

Monday, July 2, 12

Jelly Bean“Project Butter”

Interface mais suave

http://developer.android.com/about/versions/jelly-bean.html

Monday, July 2, 12

Jelly BeanExpandable notifications

http://developer.android.com/about/versions/jelly-bean.html

Monday, July 2, 12

Jelly BeanApp Encryption

Smart App Updates - “delta”

http://developer.android.com/about/versions/jelly-bean.html

Monday, July 2, 12

Jelly BeanGoogle Now - Voice Search

http://developer.android.com/about/versions/jelly-bean.html

Monday, July 2, 12

Backports

http://nineoldandroids.com/

http://abs.io/

Support Package

Monday, July 2, 12

Material de estudo

• http://developer.android.com

• Google Groups

• android-developers (oficial)

• androidbrasil

• androidbrasil-dev

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

Monday, July 2, 12

Perguntas?

???

Monday, July 2, 12