title: Generate Javadoc error Android Studio
body: <p>For some reason I cannot generate a javadoc with Android Studio, after like 96 warnings it gives me this:</p>
  
  <pre><code>95 warnings
  java.lang.NullPointerException
  at com.sun.tools.javadoc.TypeMaker.getType(TypeMaker.java:83)
  at com.sun.tools.javadoc.TypeMaker.getType(TypeMaker.java:44)
  at com.sun.tools.javadoc.ClassDocImpl.superclassType(ClassDocImpl.java:496)
  at com.sun.tools.doclets.internal.toolkit.util.Util.getAllInterfaces(Util.java:453)
  at com.sun.tools.doclets.internal.toolkit.util.Util.getAllInterfaces(Util.java:491)
  at com.sun.tools.doclets.internal.toolkit.util.ClassTree.processType(ClassTree.java:194)
  at com.sun.tools.doclets.internal.toolkit.util.ClassTree.buildTree(ClassTree.java:146)
  at com.sun.tools.doclets.internal.toolkit.util.ClassTree.&lt;init&gt;(ClassTree.java:91)
  at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(AbstractDoclet.java:123)
  at com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDoclet.java:83)
  at com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:63)
  at com.sun.tools.doclets.standard.Standard.start(Standard.java:39)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:601)
  at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:280)
  at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:160)
  at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:397)
  at com.sun.tools.javadoc.Start.begin(Start.java:167)
  at com.sun.tools.javadoc.Main.execute(Main.java:59)
  at com.sun.tools.javadoc.Main.main(Main.java:49)
  </code></pre>
  
  <p>javadoc exited with exit code 1</p>
  
  <p>Is there a way to create the javadoc in android studio? If not, how could i create one, I need to give it with my project.</p>