intent null error

view story

http://stackoverflow.com – After sorting out my code I keep getting a null on my second screen when i hit the submit button having trouble spotting my mistake any help would be appreciated. first class import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Spinner; public class IwiSelect extends Activity { Spinner spinner1, spinner2, spinner3, spinner4, spinner5; Button btnSubmit; String iwi1; @Override protected void onCreate(Bundle savedI (HowTos)