Android Application Development

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Android Application Development
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Agenda

• Android Business Model
• Why Android
• Android application market space
• Market Segments Target customers
• Business opportunities
• Application Development
• API
• Basic building blocks
• Application Life cycle
• Tools Chain
• Sample application

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Why Android
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Why Android

• Faster learning curve
• Java ----- gt Android
• Android App Stores

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Why Android
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What should I develop
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Where is my target customer
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What my customer needs
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Who will pay for my app
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What else I should know

• Functionality is import but Usability is more
  important
• Is the application simple to use?
• How does your app integrate with device
• Location, movement, accelerometer, SIP, Near
  field communication,
• Camera
• Social connection
• how does the application allow the user to
  connect to other people in existing mobile
  communication paths such as SMS, IM, email or
  voice?
• How is UI app UI design
• Does user has option switch skins
• How is App Integration with Home-Screen

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Where can we start

• Regional applications
• Synchronization sharing users data
• Games Productivity apps
• Social Applications
• Applications for large customer base
• Schools or Universities, Health sector
• Kids Education sector
• Optimization with Native porting

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Android 2.3

• SIP-based VoIP
• Near Field Communications (NFC)
• Multiple cameras support

Android 2.2
Android 2.1

• Android Cloud to Device Messaging
• data backup and restore
• HTTP progressive streaming
• portable Wi-Fi hotspot 
• New APIs for OpenGL ES 2.0

• Contacts and accounts
• New BT profiles Object Push Profile (OPP) and
  Phone Book Access Profile (PBAP)

Android 1.6 

• API for creating, recognizing, loading, and
  saving gestures
• Text-to-speech
• Search framework For global search
• Android 1.6 includes support for CDMA

Android 1.5 

• speech recognition
• Raw audio recording and playback APIs
• Video recording APIs for developers (3GP format)
• Video and photo sharing Intents
• Media search Intent

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Android Application

• Activities
• Services
• Broadcast receivers
• Content providers
• The manifest file

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Activity Life Cycle

• Life cycle methods
• onCreate
• onStart
• onResume
• onPause
• onStop
• onRestart
• onDestroy

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Service Life cycle

• Life cycle methods
• onCreate
• onStart/onBind
• onUnbind
• onRebind
• onDestroy

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Location and Maps

• What google provides
• android.location
• Android provides a location framework that your
  application can use to determine the device's
  location and bearing and register for updates
• Google Maps external library
• A Google Maps external library is available that
  lets you display and manage Maps data
• Location Services
• LocationManager
• The central component of the location framework
• It provides APIs to determine location
  getSystemService(Context.LOCATION_SERVICE)
• The method returns a handle to a new
  LocationManager instance

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LocationManager

• Query for the list of all LocationProviders for
  the last known user location.
• Register/unregister for periodic updates of the
  user's current location from a location provider
  (specified either by criteria or name).
• Register/unregister for a given Intent to be
  fired if the device comes within a given
  proximity (specified by radius in meters) of a
  given lat/long

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Requesting Location Updates

• Getting user location in Android works by means
  of callback
• GPS_PROVIDER for NETWORK_PROVIDER

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Requesting User Permissions

• Android manifest file to enable this service for
  your app

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API

• Speech Input API

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Tools
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Tools Chain

• DDMS 

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Tools Chain

• Android Debug Bridge (adb)
•  client-server program
• Hierarchy Viewer
• Layoutopt
• Set-up android , mksdcard,
• Testing Monkey
• Traceview , ProGuard, zipalign

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_at_Huawei
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Valluri Kumar vallurik_at_huawei.com