title: String.xml with name of button
body: <p>need help with @string resources in android.</p>
  
  <p>strings.xml</p>
  
  <pre><code>&lt;string name ="jugar"&gt;&lt;/string&gt;
  </code></pre>
  
  <p>aplication.xml</p>
  
  <pre><code> &lt;Button
        android:id="@+id/jugar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/jugar" /&gt;
  </code></pre>
  
  <p>result: Button jugar -> text is empty, no visible in aplication.</p>
  
  <p>thanks!</p>