App returns back to home page while selecting some options and viewing in landscape and vice versa.

Expected behavior

While options are selected and viewed on landscape the display page should remain the same

Actual behavior

When view on landscape then turned to portrait display page returns to home menu and vise versa

How to reproduce

Download prayer times on fdriod.
Open app, then select options from the slide. Then change device view, app will return current page to home page.

• Application: prayer times. Version3.7
• Operating system: andriod 7.0 nougat tecno wx3p

Recording Of The Bug