Intent & Intent Filters


  • Intent messaging 
  • Intent object structure 
  • Intent resolution 
    • Types of Intent 
    • Intent filtering 
    • Intent filter tests 
    • Special case (MAIN action and LAUNCHER category)

Intent Messaging

What is Intent Messaging?

  • Three of the core components of an Android application - activities, services, and broadcast receivers - are activated through messages, called intents 
    • One activity starts another activity by creating/sending an Intent 
  • Means of leveraging activities, services, and broadcast receivers of other applications 
    • Application #1 can use “Photo display” activity of Application #2 (or system) by creating/sending an intent

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