Android UI Adapters

Topics 

  • AdapterView & Adapter 
  • AdapterView responsibilities 
  • ListActivity, ListView, and ListAdapter
  • Spinner

AdapterView & Adapter

What is AdapterView Class? 

  • The AdapterView is a child class of ViewGroup 
    • A special kind of container of view objects (list items) 
  • Typically you are going to use subsclasses of AdapterView class instead of using it directly 
  • Example subclasses of AdapterView class 
    • ListView 
    • Spinner 
    • GridView 
  • An AdapterView access the data through Adapter object 
    • Instead of accessing data directly itself

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