Ionic in app browser is not work in device

cordova
1

ionic in app browser is work in my PC, but…its not work is device :frowning: why ??

i tried a several times… like

1-
onclick=“window.open(‘http://google.com’,’_system’,‘location=yes’);return false;”

2-
ng-href=“http://google.com” onclick=“window.open(this.href,’_system’,‘locaion=yes’)”

3-

.controller(‘DashCtrl’, function($scope,$ionicDeploy,$ionicPush,$cordovaInAppBrowser) {
var options = {
location: ‘yes’,
clearcache: ‘yes’,
toolbar: ‘no’
};

$scope.openBrowser = function() {
$cordovaInAppBrowser.open(‘http://google.com’, ‘_self’, options)

   .then(function(event) {
     // success
   })

   .catch(function(event) {
     // error
   });

}