如何在Libgdx中支持中文输入

I'm newbee in LibGdx world. I would like to create a stage, inside the stage, I would like to create two actor, one is TextField, one is a button. I want the TextField is able to support Chinese input, but I tried, the text field input has not reaction. Did I miss something? Can anyone take a look and let me know if there is any problem. Thanks a lot!I'm newbee in LibGdx world. I would like to cre