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Android

RecipientsActivity setListAdaptor showing as error

My class extends ActionBarActivty and not List activity. I created a member variable ListView but one thing is still in error: The set list adaptor

ArrayAdapter<String> adapter = new ArrayAdapter<String>(RecipientsActivity.this, android.R.layout.simple_list_item_checked, usernames); setListAdapter(adapter);

Nevermind got it fixed