Introduction to Android | Android Tutorials | Android Blog - SearchforSolutionsOnline

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Android Basics
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Introduction

• Android's mobile operating system is based on the
  Linux kernel and is the world's best-selling
  Smartphone.
• There are currently over 200,000 apps available
  for Android that are made accessible through the
  Android Market, which is the online app store run
  by Google.
• The apps are primarily written in Java.

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Introduction

• The Android operating system, including the Linux
  kernel, contains approximately 12 million lines
  of code.
• In this there are 3 million lines of XML, 2.8
  million lines of C, 2.1 million lines of Java,
  and 1.75 million lines of C.

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Android Framework
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Background

• Android Inc. was founded in Palo Alto, California
  in October, 2003 by Andy Rubin, Rich Miner, Nick
  Sears, and Chris White.
• Their goal was to develop a "smarter mobile
  device that was more aware of its owner's
  location and preferences.
• They operated secretively, admitting only that
  they were working on software for mobile phones.

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Background

• Google acquired Android Inc. in August, 2005,
  making Android Inc. a wholly owned part of Google
  Inc.
• Nick Sears was the only original founder that did
  not stay with Android Inc. after the acquisition.
• At this point in time, many assumed that Google
  was planning to enter the mobile phone market
  with this move.

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Background

• Once at Google, Rubin led a team to develop a
  mobile device platform powered by the Linux
  kernel.
• Google marketed the platform to handset makers
  and carriers with the intent of providing a
  flexible, upgradable system.
• This caused speculation about Google's intention
  to enter the mobile communications market to
  build.

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Background

• On October 21st, 2008, Android 1.0 became
  available to the public.

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Background

• "Today's announcement is more ambitious than
  any single 'Google Phone' that the press has been
  speculating about over the past few weeks. Our
  vision is that the powerful platform we're
  unveiling will power thousands of different phone
  models.
• -Eric Schmidt, former Google Chairman/CEO

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ExplanationFeatures of Android

• Android Market application download and updates
  through the Market app
• Web browser to show, zoom and pan full HTML and
  XHTML web pages - multiple pages show as windows
  ("cards")Video
• Camera support, but no way to change resolution,
  white balance, quality, etc.
• Folders allow the grouping of a number of app
  icons into a single folder icon on the Home
  screen.

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ExplanationFeatures of Android

• Email provides access to email servers commonly
  found on the Internet and supports POP3, IMAP4,
  and SMTP.
• Gmail synchronization with the Gmail app
• Google Contacts synchronization with the People
  app
• Google Calendar synchronization with the Calendar
  app
• Google Maps with Latitude and Street View to view
  maps and satellite imagery, as well as find local
  business and get driving directions using GPS

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More Features

• Google Search of the internet and phone apps,
  contacts, calendar, etc.
• Google Talk instant messaging.
• Instant messaging, text messaging, and MMS.
• Media Player enables managing, importing, and
  playing back but lacked video and stereo
  Bluetooth support
• Notifications appear in the Status bar - drag
  down to see details, also ringtone, LEDs and
  vibration options.

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More Features

• Voice Dialer allows dialing and placing of phone
  calls without typing a name or number
• Wallpaper allows the user to set the background
  image or photo behind the Home screen icons and
  widgets.
• YouTube video player.
• Other apps include Alarm Clock, Calculator,
  Dialer (Phone), Home screen (launcher), Pictures
  (Gallery), and Settings.
• Other supported features include WiFi, and
  Bluetooth.

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Features (cont.)

• Messaging
• SMS and MMS are available forms of messaging,
  including threaded text messaging and now Android
  Cloud to Device Messaging Framework is also a
  part of the Android Messaging service.
• Multiple Language Support
• Several languages are available on Android. The
  number of languages more than doubled for the
  platform 2.3. However, it lacks font rendering of
  several languages even after official
  announcements of added support.
• Web Browser
• The web browser available for Android uses the
  open-source WebKit layout engine, along with
  Chrome's JavaScript engine.

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Media Support
Android supports the following audio/video/still
media formats

• WebM
• H.263
• H.264 (in 3GP or MP4 container)
• MPEG-4 SP
• AMR
• AMR-WB (in 3GP container)
• AAC
• HE-AAC (in MP4 or 3GP container)

• MP3
• MIDI
• Ogg Vorbis
• FLAC
• WAV
• JPEG
• PNG
• GIF
• BMP

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Multi-Touch

• Android has support for multi-touch which was
  originally made available in handsets such as the
  HTC Hero.
• The feature was originally disabled at the kernel
  level (possibly to avoid infringing Apple's
  patents on touch-screen technology at the time).

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Android 2.3 Gingerbread

• Latest version available for mobile phones
• Enhanced UI with more polish and several
  refinements
• Also adds support for NFC, which allows for
  mobile payments with only the use of the device

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Google TV

• Based on Android, Google TV allows your TV to
  be connected to the internet and all of the media
  content that it has to offer.

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Significance

• Soon, Android will be able to communicate
  with your own home and automate your life with
  Android_at_Home!

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The Future of Android

• Android Ice Cream will combine Gingerbread and
  Honeycomb into one unified seamless operating
  system.
• Android will continue its growth and dominance in
  the mobile operating system race.

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