title: How to solve java.lang.IllegalArgumentException: Error compiling shader in Android Libgdx project?
body: <p>I am creating a game in Libgdx, For interaction with android UI, i have created interface and called the super implementation of methods in the classes, In Main Activity of android i have used the method implementation and added the android code.
  I am facing this error when i try to run it?</p>
  
  <p>This is the interface class and its method to go to android class</p>
  
  <pre><code>public interface abcInterface {
  
  public void method1();
  </code></pre>
  
  <p>}</p>
  
  <p>In Libgdx i am calling this method</p>
  
  <pre><code>game.method1(int a,int b);
  </code></pre>
  
  <p>In main activity i am calling this Interface method implementation</p>
  
  <pre><code>public void showmethod( final int level, int score)
  {
      interface.method1(a,b, new interface() {
  
          @Override
          public void clickplay() {
  
              //...............
  .................//
  
       }
      });
  }
  </code></pre>
  
  <p>I am trying to call the callback method, but i am facing this error, need some suggestion and solution.</p>