Search keywords in HTML content and highlight

Declare below variables in class

highlightClass = "highlightText";

highlightRe: any;

spaceRe = /\s+/;

spaceRe2 = /\s+$/;

before: any = "";

after: any = "";

Call a function of Controller "One" inside Controller "Two" - IONIC1

app.controller('One', ['$scope', '$rootScope'
    function($scope) {
        $rootScope.$on("CallParentMethod", function(){
           $scope.parentmethod();
        });

        $scope.parentmethod = function() {
            // task
        }
    }
]);
app.controller('two', ['$scope', '$rootScope'
    function($scope) {
        $scope.childmethod = function() {
            $rootScope.$emit("CallParentMethod", {});
        }
    }
]);




While $rootScope.$emit is called, you can send any data as second parameter.

Solution for IONIC2+  will be up soon.

Whatsapp message from hybrid app

There are two different ways to open whatsapp form hybrid application.

<a target="_blank" href="whatsapp://send?text=hello">open whatsapp</a>



<a target="_blank" href="whatsapp://send?text=my message&phone=+XXXXXXXXXXXX&abid=+XXXXXXXXXXXX">Whatsapp me please</a>

Log execution time of function/Ajax Call

Initialization of the variable to store all logs in controller

$rootScope.timeSlots = {};

//Function to create object with eventname , start time, end time using ID

$scope.logEvent = function(Eventid, EventName, isEnd){
    if(isEnd == false){
         $rootScope.timeSlots[Eventid] = {
            "name": EventName,
            "startDate":new Date().getTime()
         };
    } else {
        $rootScope.timeSlots[Eventid]["endDate"] = new Date().getTime();
    }
};
Log starting time 
$scope.logEvent("function1","Function1 start Time", false);

Angular/Ionic not updating an image src when ng-src is empty

The Angular ngSrc directive serves to properly set an image src via Angular. As anything in Angular, it updates the image as soon as the contained Angular expression changes. However, when the ng-src attribute is empty, Angular will not empty the src attribute. To overcome this, use the trick below.

<img ng-src="{{ element.image || '//:0' }}" />

Background

The ngSrc directive explicitly returns when the attribute value is false. As a workaround, set a "blank" image src when the image is empty. As somebody on Stackoverflow writes, //:0 serves this purpose: It adopts the current protocol, omits the hostname and sets the port to zero, which is invalid and should be killed by the network layer.

As a result, Angular should now correctly empty the src attribute when ng-src empties.