Ionic tabs hidden by nav-bar only in Android

I would check in your $stateProvider.state() section of code. For your tab view state you need to have the following in the configuration to make sure the tab view is going into the right <ion-nav-view>:

views: {
    'menuContent': {
        templateUrl: 'html-file-where-your-tab-view-is'
    }
}

This will make sure when you navigate to your tab view state, it puts the html file inside the named <ion-nav-view name="menuContent">