Error template HTML5 geolocation

Hello everyone !!!
Now i have a app mobile ionic v1 and use HTML5 Geolocation for maps. It’s running OK on android device real but not on iPhone.

  • Description : When i click into item “FINDING MEDICAL PROVIDERS” so it was supposed to run function “get current user location” but somehow the screen does not display the templates, eventhough there was some signs the this function is still playing, but when click back button so the templates is display and turn off right now…
    I need some help from everyone. The below is clip i test on the emulator iOS.