1.First Create Interface an Always remember that Interface is Always public.
public interface MyInterface { public void value(String abc); } 2.then use that interface where you want to use. String nameValues="Ganesh Divekar"; MyInterface myInterface = (MyInterface)context;
myInterface .value(nameValues);
3.then we need to implement we created Interface where you want to needed.
implements MyInterface;
@Override public void value(String abc) { NameValue.setText(abc); }