global function in Ionic 2 / Angular 2

Question

How can I setup a global function that can be accessed throughout all views?

In app.component.ts I added a simple method

  openShare() {console.log         


        

Answer 1

Just like @Sampath mentioned, one way would be to use a custom provider. But since you method is just a simple one, I think you can use Events instead. It'd be like this:

In your app.component.ts file, subscribe to the new event:

import { Events } from 'ionic-angular';

constructor(public events: Events, ...) {

  // ...

  events.subscribe('social:share', () => {

    // your code...
    console.log("button clicked");

  });

}

And then in any other page, just publish the event to execute that logic:

function anotherPageMethod() {
  this.events.publish('social:share');
}