ホーム画面を起動するだけ

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;

public class Main extends Activity {
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		Intent intent = new Intent(Intent.ACTION_MAIN, null);
		intent.addCategory(Intent.CATEGORY_HOME);
		startActivity(intent);
	        System.exit(RESULT_OK);
	}
}