package kr.*.*;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class StartCalc extends Activity {

 /** Called when the activity is first created. */
 
@Override
public void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.1);
  

   Button launch = (Button)findViewById(R.id.next1);
   launch.setOnClickListener(new Button.OnClickListener(){
      public void onClick(View v) {
      setContentView(R.layout.2);
  
     
      }
   });
   Button launch2 = (Button)findViewById(R.id.next2);
   launch2.setOnClickListener(new Button.OnClickListener(){
      public void onClick(View v) {
      setContentView(R.layout.3);
      }
   });
}
}

이렇게 하면 아예 실행이 안되네요ㅠㅡㅠ
어떻게 해야하나요 ㅠㅡㅠ