ionic3

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 will take place for the back button? If we want to pop to the last page we can use the following code this.navCtrl.goBack('/products'); . But how we can use it for the android hardware back button action in ionic4 ? Ionic3 hardware back button action this.platform.registerBackButtonAction(() => { let activePortal = this.ionicApp._loadingPortal.getActive() || this.ionicApp._modalPortal.getActive() || this.ionicApp._toastPortal.getActive() || this

I have a problem with Injectable Service in Angular2 using Ionic2 framework. My service looks like this: import {Injectable} from '@angular/core'; import {NavController} from 'ionic-angular'; @Injectable() export class ViewStackController { static get parameters() { return [[NavController]]; } constructor(nav) { } } And I get error No provider for NavController . It's strange because in any Page class it's working, though it has @Component , maybe that's the catch. edit #1: I am providing this service in ionicBootstrap , like this: ionicBootstrap(MyApp, [ViewStackController], {}); As you can

I try to scroll to a fixed position, for example scrollTo(500, 20). Let's say that you are on a device, which has got a width of 300 pixel. The scroll target is now out of the screen scope, you have to scroll to the right. I solved this by doing the following: <ion-content> <ion-scroll scrollX="true" style="width:100%; height:100%; white-space: nowrap; "> <div style="width:1000px; "> [box1] [box2] [box3] [...] </div> </ion-scroll> </ion-content> Up to here everything is fine. The problem starts if i want to jump 500 pixel to the right by pressing a button for example. Swiping to the right

I add to the <ion-content> a ionScroll event which triggers the method foo() and in a <button ion-button> a click event which triggers foo() too. In my template I add for an example {{ x }} and the foo() method increments x . The button click refreshs the view so that the new value is shown. The scrolling not. If I add a console.log this will print. If i set the fokus to some element like a textbox or something, the view refreshs and the new value of x shows up. have someone an idea why? That's because something very interesting and powerfull called Zones . If the concept is new for you,

I set up the camera plugin to select an image from the photo library and upload it to the server with the following code: getImage() { //By default the camera retrieves the image as a JPEG file. const options: CameraOptions = { quality: 100, destinationType: this.camera.DestinationType.FILE_URI, sourceType: this.camera.PictureSourceType.PHOTOLIBRARY, targetWidth:1080, targetHeight:1080, correctOrientation: true, mediaType: this.camera.MediaType.PICTURE, encodingType: this.camera.EncodingType.JPEG } this.camera.getPicture(options).then((fileUri) => { if (this.platform.is('ios')) { return this