Application force closes when button is pressed

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http://stackoverflow.com – I've just began on a new application and I added a button which in the past I've had no problem with but for some reason Its not working now. I'm just simply trying to teacher that button to another page. What do you think the problem is? (just ignore the spinners I haven't set those up yet) TextingprojectActivity public class TextingprojectActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button tut1 = (HowTos)