報錯資訊如下：

android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment ***.base.OlineFragment
: make sure class name exists, is public, and has an empty constructor that is public....

public static OnlineFragment getInstance(int id) {

    OnlineFragment instance = new 
 
OnlineFragment();
    Bundle args = new Bundle();
    args.putInt("id", id);
    instance.setArguments(args);
    return instance;
}

Bundle args = getArguments();
if (args != null) {
    id = args.getInt("id");
    
}