title: Android studio button has no onclick option error message box
body: <p>I'm currently learning to make apps in android studio. When I drag a button object into the activity_main.xml,it does not show me the &quot;onclick&quot; option under the &quot;Declare Attributes&quot;.</p>
  <p>The only error I'm getting is :</p>
  <p>Couldn't resolve resource @color/teal_200
  I dont think it has anything to do with my problem but still...</p>
  <p>Any help would be appriciated,thank you!</p>