There is a probably a very simple answer to this, but I would like to
do the following:


public class Example extends Activity {

    private String challenge_number = "";

   .....class code....

    Button ok_button = new Button(this);
    ok_button.setOnClickListener(new View.OnClickListener()
    {
           public void onClick(View args0)
           {
               Intent okIntent = new Intent();
               okIntent.setClassName("com.example",
"com.example.newPage");

               okIntent.putExtra("com.example.challenge_no",
this.challenge_number);    // This is the problem line
               startActivity(okIntent);
               finish();
           }

}


It fails because the listener doesn't know what "this.challenge_no"
is.  Can anyone help me solve this problem of scope?

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