SharedPreferences Layout laden schmeißt NullPointerException

public class Soundboard extends Activity implements OnClickListener{


boolean newView = false; //Wird die andere Seite als Startseite gesetzt
String layout; //Welches ist das aktuelle Layout



@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

setContentView(R.layout.activity_soundboard);

loadPreferences(); //Lädt Benutzereinstellungen


//Lädt die Benutzereinstellungen
private void loadPreferences() {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
layout = sp.getString("LAYOUT", "1");
newView = sp.getBoolean("SECONDVIEW", false);
if (layout.equals("2") & (newView == true)) {

setContentView(R.layout.activity_soundboard_sorted);

}
else if (layout.equals("1") & (newView == false)){

setContentView(R.layout.activity_soundboard);

}
}


private void savePreferences(String key, String value) {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
Editor edit = sp.edit();
edit.putString(key, value);
edit.commit();
}


private void savePreferences(String key, Boolean value) {
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
Editor edit = sp.edit();
edit.putBoolean(key, value);
edit.commit();
}

@Override
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.action_settings:
if (newView){
Intent intent3 = new Intent(this, Soundboard.class);
startActivity(intent3);
//setContentView(R.layout.activity_soundboard);
savePreferences("LAYOUT", "1");
savePreferences("SECONDVIEW", false);
finish();
}
else {
Intent intent4 = new Intent(this, SoundboardSorted.class);
startActivity(intent4);
//setContentView(R.layout.activity_soundboard_sorted);
savePreferences("LAYOUT", "2");
savePreferences("SECONDVIEW", true);
finish();
}

newView = !newView;

return true;

05-10 08:04:06.582: D/dalvikvm(350): GC_EXTERNAL_ALLOC freed 53K, 53% free 2564K/5379K, external 2002K/2137K, paused 96ms
05-10 08:04:06.932: D/AndroidRuntime(350): Shutting down VM
05-10 08:04:06.932: W/dalvikvm(350): threadid=1: thread exiting with uncaught exception (group=0x40015560)
05-10 08:04:06.962: E/AndroidRuntime(350): FATAL EXCEPTION: main
05-10 08:04:06.962: E/AndroidRuntime(350): java.lang.RuntimeException: Unable to start activity ComponentInfo{appname.app/appname.app.Soundboard}: java.lang.NullPointerException
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.os.Handler.dispatchMessage(Handler.java:99)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.os.Looper.loop(Looper.java:123)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread.main(ActivityThread.java:3683)
05-10 08:04:06.962: E/AndroidRuntime(350): at java.lang.reflect.Method.invokeNative(Native Method)
05-10 08:04:06.962: E/AndroidRuntime(350): at java.lang.reflect.Method.invoke(Method.java:507)
05-10 08:04:06.962: E/AndroidRuntime(350): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
05-10 08:04:06.962: E/AndroidRuntime(350): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
05-10 08:04:06.962: E/AndroidRuntime(350): at dalvik.system.NativeStart.main(Native Method)
05-10 08:04:06.962: E/AndroidRuntime(350): Caused by: java.lang.NullPointerException
05-10 08:04:06.962: E/AndroidRuntime(350): at appname.app.Soundboard.onCreate(Soundboard.java:148)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-10 08:04:06.962: E/AndroidRuntime(350): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
05-10 08:04:06.962: E/AndroidRuntime(350): ... 11 more