What is the best way to access AngularJS Service code from an Android webview?

I've been attempting to initiate contact with an AngularJS service through the Android webview component, but I haven't had any luck so far. Do you have any suggestions on how I can achieve this?

Here is the JavaScript code that I've been trying to run:

view.loadUrl("javascript:$rootScope.myService.hello()");

Your assistance would be greatly appreciated.

Answer №1

Assuming debug data is enabled, each element in your application contains a scope() function for retrieving the scope associated with that element. Additionally, there is an injector() function that allows you to access the injector instance for your app. To utilize this functionality, consider the following:

javascript:angular.element('[ng-app]').injector().get('myService').hello()

It may be more advisable to only expose specific functions on the window object that require external access.

To achieve this, you can modify your code as follows:

angular.module('myApp').service('myService', function(yourDependencies..., $window) {
  //Your code 

  $window.hello = this.hello;
});

With these adjustments, your Android implementation would then resemble:

view.loadUrl("javascript:hello()");

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