Thread: Why it shows error ?

 
package com.example.helloworld;
 
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
 
 
public class MainActivity extends ActionBarActivity {
	TextView view;
	EditText inpuText;
	Button okayButton;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        view = (TextView) findViewById(R.id.textView1stActivity);
        inpuText=(EditText) findViewById(R.id.editText1);
        okayButton=(Button) findViewById(R.id.button1);
        okayButton.setOnClickListener(new OnClickListener() { //in this line setOnClickListene this methods shows error
 
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
 
			}
		});
    }
 
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
 
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}