Android Studio's layout designer does not show toolbar but emulator does

Multi tool use


Android Studio's layout designer does not show toolbar but emulator does
I have a problem - like title - Android Studio's activity designer does not show toolbar but the emulator (AVD) does. How can i solve the problem?
Here's the ss:
I don't see toolbar at activity's designer
I was trying:
I'm new at Android Studio so can You Guys write the solution step by step?
Thank You for every help!
Please check your application theme .
– Mahavir Jain
1 min ago
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Please edit your question with xml code
– Rajshree Tiwari
5 mins ago