https://source.android.com/ 
public interface android.graphics.drawable.Icon$OnDrawableLoadedListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.graphics.drawable.Icon$OnDrawableLoadedListener
  super_class: java.lang.Object
{
  public abstract void onDrawableLoaded(android.graphics.drawable.Drawable);
    descriptor: (Landroid/graphics/drawable/Drawable;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      d     
}
SourceFile: "Icon.java"
NestHost: android.graphics.drawable.Icon
InnerClasses:
  public abstract OnDrawableLoadedListener = android.graphics.drawable.Icon$OnDrawableLoadedListener of android.graphics.drawable.Icon