AdapterView.OnItemClickListener how to get the contents of that one click

For example,
Each row in a ListView first column is the date,
Can you click on this line,
The first column of the line obtained on a date?

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Reply:

 public void onItemClick (AdapterView  arg0, View arg1, int arg2, 
long arg3) {
Adapter adapter = arg0.getAdapter (); 
Map  map = (Map ) adapter.getItem (arg2); 

ListView.setAdapter (SimpleAdapter);
Much explanation, I believe the landlord may have understood
Reply:
Do not understand. . . . .