Ion-nav-bar for a view - ionic-framework

Question

I'm working on an Ionic 1 project. I'm trying to have a nav-bar with a back button inside one of the views, but its not appearing. I inspected on Chrome, and saw that the class of the back button became hide. Is there anyway I can make it appear?
Here's my code:
<ion-view ng-controller="GuDetailCtrl">
<ion-nav-bar class="bar-positive">
<ion-nav-back-button class="button-icon ion-arrow-left-c show">
</ion-nav-back-button>
</ion-nav-bar>
<ion-content class="padding">
<div class="list">
<label class="item item-input">
<span class="input-label">Name</span>
<span>{{hotel.name}}</span>
</label>
<label class="item item-input">
<span class="input-label">Locality</span>
<span>{{hotel.locality}}</span>
</label>
<label class="item item-input">
<span class="input-label">Amenities</span>
<span>{{hotel.amenities}}</span>
</label>
</div>
<button class="button button-positive" ng-click="modal.show()">
Create Booking
</button>
<script id="templates/booking.html" type="text/ng-template">
<ion-modal-view>
<ion-header-bar class="bar bar-header bar-positive">
<h1 class="title">New Booking</h1>
<button class="button button-clear button-primary" ng-click="modal.hide()">Cancel</button>
</ion-header-bar>
<ion-content class="padding">
<div class="list">
<label class="item item-input">
<span class="input-label">Check-in Date</span>
<input ng-model="newBooking.inDate" type="date">
</label>
<label class="item item-input">
<span class="input-label">Check-out Date</span>
<input ng-model="newBooking.outDate" type="date">
</label>
<label class="item item-input">
<span class="input-label">No. of Rooms</span>
<input ng-model="newBooking.rooms" type="number">
</label>
<button class="button button-full button-positive" ng-click="createBooking(newBooking)">Create</button>
</div>
</ion-content>
</ion-modal-view>
</script>
</ion-content>
</ion-view>

Answer 1

You can try this code.The header has a class by default, if you don't explicitly specify one, then the back button won't show up. you can use bar-light or bar-royal in your class.
<ion-nav-bar class="bar-royal">
<ion-nav-back-button>Back</ion-nav-back-button>
</ion-nav-bar>
for more, You can see here