import android.os.Bundle;\r
import android.os.Handler;\r
import android.os.Message;\r
-import android.support.v7.app.AppCompatActivity;\r
import android.util.Log;\r
import android.view.View;\r
import android.widget.Button;\r
import android.widget.RadioButton;\r
import android.widget.TextView;\r
import android.widget.Toast;\r
+import android.app.Activity;\r
\r
import org.iotivity.service.ns.common.MediaContents;\r
\r
import java.text.DateFormat;\r
import java.util.Date;\r
\r
-public class MainActivity extends AppCompatActivity {\r
+public class MainActivity extends Activity {\r
\r
private final String TAG = "NS_MAIN_ACTIVITY";\r
private static final int CONSUMER_SUBSCRIBED = 1;\r