import android.os.Bundle; import android.widget.FrameLayout; import com.unity3d.player.UnityPlayerActivity; public abstract class OverrideUnityActivity extends UnityPlayerActivity { public static OverrideUnityActivity instance = null; abstract protected void showMainActivity(String setToColor); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); instance = this; } @Override protected void onDestroy() { super.onDestroy(); instance = null; } }