android - Spinner with default icon + arrow -

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assuming spinner, how set default icon?

currently, mine shows icon of first item (bluetooth)

enter image description here

i believe specific example shareactionprovider, special sublcass of actionprovider

if adding actionprovider in xml menu can treat menu item , add icon.

from actionprovider documentation:

<item android:id="@+id/my_menu_item"  android:title="title"  android:icon="@drawable/my_menu_item_icon"  android:showasaction="ifroom"  android:actionproviderclass="foo.bar.someactionprovider" />

since haven't used these don't know enough know if actionproviders have spinner corner triangle... guess yes?

upadte:

i thinking how spinneradapter works , there way this. if using custom subclass of spinneradapter in spinner have 2 methods , following:

@override public view getdropdownview(int position, view convertview, viewgroup parent)     {     // return view display when looking @ dropdown,     // textview and/or imageview     }  @override public view getview(int position, view convertview, viewgroup parent)     {     // show when item @ provided position      // selected. @ point return imageview want      // appear @ top, such share icon.     }

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