Handling hardware back button in Ionic3 Vs Ionic4

Question

Please find the below code for the Android hardware back button action in ionic3. As Ionic4 uses angular routing for navigation how the pop event w

Answer 1

Customizing Android Back Button in Ionic 4 ... Each page wise back.

Step 1: import { Platform, NavController } from '@ionic/angular';

Step 2: constructor(public navCtrl: NavController){}

Step 3:

 private async onBack() {
    this.navCtrl.navigateBack('/project-details');
  }

Step 4:

 this.platform.backButton.subscribe(()=>{
        this.onBack();
      });