title: createFromResources() in ArrayAdapter cannot be applied to spinner
body: <p>Im having trouble when creating an ArrayAdapter on my spinner. i don't know how to explain to you guys but people say a picture speaks 1000 words. so i provide a picture of my problem. please help me i really dont know what to do know.</p>
  
  <p><a href="https://i.stack.imgur.com/xJJUX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xJJUX.png" alt="this is my error"></a></p>
  
  <p>this is my class</p>
  
  <pre><code>public class SettingFragment extends Fragment{
  
  private View rootView;
  Spinner spinner;
  ArrayAdapter&lt;CharSequence&gt; adapter;
  
  public SettingFragment(){
      //required empty public constructor
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
                           Bundle savedInstanceState) {
      rootView = inflater.inflate(R.layout.fragment_setting, container, false);
  
      spinner = (Spinner)rootView.findViewById(R.id.spinner);
      adapter = ArrayAdapter.createFromResource(this, R.array.select_font_size, android.R.layout.simple_spinner_item);
      adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      spinner.setAdapter(adapter);
  
      return rootView;
  }
  </code></pre>
  
  <p>}</p>
  
  <p>this is my string.xml</p>
  
  <pre><code>&lt;string-array name="select_font_size"&gt;
      &lt;item&gt;Small&lt;/item&gt;
      &lt;item&gt;Default&lt;/item&gt;
      &lt;item&gt;Large&lt;/item&gt;
      &lt;item&gt;Larger&lt;/item&gt;
  &lt;/string-array&gt;
  </code></pre>
  
  <p>and this is my xml code</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="match_parent"
  android:layout_height="match_parent"&gt;
  
  
  &lt;Spinner
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:id="@+id/spinner"
      android:layout_gravity="center_horizontal" /&gt;
  </code></pre>
  
  <p></p>