Githup [repo](https://github.com/gsantner/markor)

#### Expected behavior 
I expected the app to open the clock or reminder layout successfully without crashing. 

#### Actual behavior 
After launching the app, when I click on the clock icon in the toolbar, the app crashes and exit. 

#### How to reproduce 
- Download the app from [play store](https://play.google.com/store/apps/details?id=net.gsantner.markor)
- Launch the app 
- Click on the clock icon in the toolbar 
- app crashes and exit 

* Version : Version 0.3.8
* Device : Gionee A1 lite 
* Operating system : Android 7.0

#### Recording of the Bug 

https://m.youtube.com/watch?v=UOq8GFQf8zM