Disable hardware back button in Ionic application?

Question

I\'m trying to disable the back button on my Cordova app. I\'m using AngularJS + Ionic Framework. I found topics about this and tried the code bellow, but it has absolutely

Answer 1

For Ionic 3:

// root component
export class MyApp {

  constructor(platform: Platform) {
    platform.ready().then(() => {
      platform.registerBackButtonAction(() => {
        this.customBackButtonHandler();
      }, 100)
    });
  }

  customBackButtonHandler() {
    ...
  }

}