Android Components

Android Process and Thread

• Linux process per application
• Runs under its own userid which is generated automatically by Android system during deployment
• Hence application isolated from other applications
• One thread per process
  • UI Thread
  • manage Looper message

   

Android Application Components:

  Android application =collection of loosly coupled components

• Activity

• View

• Service

• Intents and Intents Filter and Broadcast receiver (Intents reciever)

• Content provider