So I am modifying the Cube live wallpaper example. I have a class that extends PreferenceActivity, and I added the Activity in my manifest file. I keep getting ActivityNotFoundExceptions.

Here is my preference class :

public class MySettingsActivity extends PreferenceActivity
implements SharedPreferences.OnSharedPreferenceChangeListener {

@Override
protected void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    getPreferenceManager().setSharedPreferencesName(
            ParticleCandy.SHARED_PREFS_NAME);
    addPreferencesFromResource(R.xml.settings);
    getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(
            this);
}

@Override
protected void onResume() {
    super.onResume();
}

@Override
protected void onDestroy() {
    getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
            this);
    super.onDestroy();
}

public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
        String key) {
}

}

And here is my manifest file

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.pixel.theory.wallpapers.mywallpaper"
  android:versionCode="1"
  android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<service 
 android:label="@string/app_name" 
 android:name="MyWallpaper" 
 android:permission="android.permission.BIND_WALLPAPER" >
 <intent-filter>
  <action 
   android:name="android.service.wallpaper.WallpaperService">
  </action>

</application>
<uses-sdk android:minSdkVersion="7" />
<uses-feature android:name="android.software.live_wallpaper" />
</manifest> 

Any ideas why my preferences activity doesn't get read in from the manifest?