Handling back button for NavBar?

[hirenkorat3]

you may get your answer here

Hardware back button exit the app in mobile device?

I have 25 pages in my project so I want to handle hardware back button I wrote hardware back button code in my app.component.ts file but it doesn’t work this.platform.registerBackButtonAction(() => { let nav = this._app.getActiveNavs()[0]; let activeView = nav.getActive(); if(activeView.name == "Demo1Page" || activeView.name == "Demo2Page") { nav.pop(); } else if(activeView.name == "Demo3Page" || activeView.name == "Demo4Page"…