Android and android phones
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Android and android phones






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Android and android phones Android and android phones Presentation Transcript

  • Android and Android Phones
  • What is Android?“Android is a software stack for mobile devicesthat includes an operating system, middleware and key application.”
  •• Application framework – enabling reuse and replacement of components.• Dalvik virtual machine – optimized for mobile devices .• Integrated browser – based on the open source WebKit engine.• Optimized graphics - powered by a custom 2D graphics library, hardware acceleration optional.• Sqlite – for structured Data storage. View slide
  •• Media support – for common audio, video, and still image formats.• GSM Telephony – hardware dependent• Bluetooth, edge, 3G, and Wifi – hardware dependent• Camera, GPS, compass, and accelerometer – hardware dependent• Rich development environment – including a device emulator, tools for debugging, memory and performance profiling and a plugin for the Eclipse IDE. View slide
  • AndroidGoogleGI and the Android MarketAndroid platformDeveloper toolsAndroid programming
  • Google’s Master PlanMake the clod more accessibleKeep connectivity pervasiveMake the client more powerful
  • Google“We want the next killer application to be written for cell phones.”
  • GI Technical SPECSQualcomm MSM7201A, 528 MHzROM 256 MBRAM 192 MB4.60in x 2.16in x 0.62in158 gramsLithium ion battery, 1 150 mAH
  •3G (HSDPA)Touch screen, HVGA 320x480QWERTY keyboard3.2 megapixel cameramicroSD expansion slotGPS, compass, accelerometer
  • Third party applicationsMaverickAndroid locale
  • Android ApplicationsMultiple applications, running simultaneouslyUser may switch between runningapplicationsBackground servicesCopy and paste
  • Android ApplicationsAre written in a Java languageRun on the Dalvik virtual machine
  • Distributing Android ApplicationAndroid marketSelf-publish on your own websiteUse a third party app store
  • Android Market$25 registration fee for developersDeveloper receives 70% of each saleRemaining amount goes to carriersGoogle does not take a percentage
  • Development ToolsAndroid SDKEclipse plug inAndroid SDKAndroid emulatorCommand line toolsDocumentationExample application
  • Intents“an intent is a simple message object thatrepresents an ‘intention’ to do something.”“an intent is an abstract description of an operation to be performed.”
  • Android Views“a view is an object that knows how to draw itself on the screen.”
  • Additional topics• Threading• Security model• Internationalization• Power management• Android management• Data synchronization• WiFi aAPI• Bluetooth API
  • What’s next for Android?• More phones• Virtual keyboard• Bluetooth A2DP• Multi-touch?
  • submitted to: Prof. Erwin M. Globio,MSIT