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Android Reference

AdapterView.OnItemSelectedListener


android.widget

Interface AdapterView.OnItemSelectedListener

    • Method Summary

      Methods
      Modifier and Type Method and Description
      void onItemSelected(AdapterView<?> parent, View view, int position, long id)
      Callback method to be invoked when an item in this view has been selected.
      void onNothingSelected(AdapterView<?> parent)
      Callback method to be invoked when the selection disappears from this view.
    • Method Detail

      • onItemSelected

        void onItemSelected(AdapterView<?> parent,
                          View view,
                          int position,
                          long id)

        Callback method to be invoked when an item in this view has been selected. This callback is invoked only when the newly selected position is different from the previously selected position or if there was no selected item.

        Impelmenters can call getItemAtPosition(position) if they need to access the data associated with the selected item.
        Parameters:
        parent - The AdapterView where the selection happened
        view - The view within the AdapterView that was clicked
        position - The position of the view in the adapter
        id - The row id of the item that is selected
      • onNothingSelected

        void onNothingSelected(AdapterView<?> parent)
        Callback method to be invoked when the selection disappears from this view. The selection can disappear for instance when touch is activated or when the adapter becomes empty.
        Parameters:
        parent - The AdapterView that now contains no selected item.


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