https://www.youtube.com/watch?v=byUS_CUBELk&feature=youtu.be
I uploaded the video for my problem.
When you watch the 23~26sec section, you can watch the material design is working!
However, when you watch the 27~30 sec section, you can watch the material design is not working!
How can I fix it?
Why does the route changing cause this problem??
Help me ~ :)