$scope.showAlert = function() { 
 var alertPopup = $ionicPopup.alert({ 
 title: 'Don\'t eat that!', 
 template: '<h1>It might taste good</h1>' 
 }); 
 }; 
 $scope.$watch('$viewContentLoaded', function() { 
 $scope.showAlert(); 
 }); 

// 一個確認對話框
 $scope.showConfirm = function() {
 var confirmPopup = $ionicPopup.confirm({
 title: 'Consume Ice Cream',
 template: 'Are you sure you want to eat this ice cream?'
 });
 confirmPopup.then(function(res) {
 if(res) {
 console.log('You are sure');
 } else {
 console.log('You are not sure');
 }
 });
 };

$scope.$watch('$viewContentLoaded', function() { 
 $scope.showConfirm(); 
 });