Showing blank page in ios

When we come back same page, automatically trigger ionicViewDidLoad method will call in the back page. In that, I used one service call and I’m getting data. But, showing data blank in the page. If we click or long touch on any button, then data showing.

Hello jai003, welcome to ionic community forum, we are here to help you
but before this o need some info about you ionic app.

Which version of ionic you use? and if get any error on console kindly past here.

I’m using Ionic v4. It didn’t show any error in the console. I checked different scenario and finally I found issue with ionic back button.