Improve quality of tracking ionic project

Hi all, I have a project in ionic where we are tracking the restaurant to driver and driver to restaurant, then driver to user. This functionality is working fine, no issue here, We are using JS map, so Map quality and screen bounding is not looks good, So i am looking for tracking expert who can improve quality and bound the map screen in driver and restaurant and user apk. I can share u old code where these tracking is working fine, but quality need to improve : reference i can share here you can she below link, atleast this much quality also fine - [login to view URL]