android - Call a public method in the Activity class from another class?

Question

MAIN ACTIVITY

    public class MyActivity() extends Activity
    {
        onCreate()
        {
            MyClass myobj=new MyClass();    
        }
        public void Mymethod()
        {}
    }
//HELPER CLASS IN A SEPARATE FILE    
    public class MyClass()
    {
        MyClass(Context context)
        {

        }
    }

I tried to call Mymethod() from an instance of MyClass. I would really appreciate any help. Thanks.

Answer 1

Why not just pass the activity to the constructor like

public class MyActivity extends Activity { 

   onCreate(){ 
        MyClass myobj=new MyClass(MyActivity.this);     
   } 

   public void myMethod(){

   } 
} 

//HELPER CLASS IN A SEPARATE FILE     
public class MyClass{ 
    public MyClass(MyActivity act) { 
        act.myMethod();
    } 
}