use combination of power + volume down key simultaneously or you can also use gesture feature if your device supports. All you need to swipe your hand (palm) by edge of your screen like this:
yes android 10 have that kind of issues. I was facing same issue like that. go to settings>all apps> one mobile banking app and then clear all its storage & cache memory and try again.if not works, then uninstall the app and reinstall again from play...