First http call from my ionic app to the web application take too much time?

ionic android app take too much time for the first http call to the server after the resume event fired. with the second calls it works fine

Check your internet may be week connection and check your service using post man to see how much time it cost and try to log you response using console.log
after all use loading view in ajax request
Regards

The problem only with the first call after that its works fine with good

after first it cached so it run fast
check your first in postman and see how much time if take long then your problem in service not ionic