title: Cannot reference from XML to custom @drawable resource in Android studio
body: <p>Does any body know how to add custom png files and give reference to them from XML file like </p>
  
  <pre><code>android:drawableRight="@drawable/arrow_left"
  </code></pre>
  
  <p>Android studio cant find any suggestions when i'm trying to type XML attirubute written below. So how should i import custom resource files/packages in Android studio so it adds references to them in R.java? </p>