App issues

Several times over the past week have had issues with the Uber app, all new. After accept a ride, it won't let me do anything else, just goes into a weird mode. Have to re-start my phone and then the app works fine. Seems to happen when have a couple of other apps open, reading, waiting for a ride. Did just uninstall and re-install, we'll see if that makes a difference. Never had this issues before. Thank you in advance for any responses.
 
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