Currently (from v. 4.3.0, when using new HttpClient from @ngular/common/http) Angular provides listening to progress out of the box. You just need to create HTTPRequest object as below: import { HttpRequest } from ‘@angular/common/http’; … const req = new HttpRequest(‘POST’, ‘/upload/file’, file, { reportProgress: true, }); And when you subscribe to to request you will … Read more
They have a class for that and should be able to use: import { App } from ‘ionic-angular’; constructor(private app: App) { app.setScrollDisabled(true); }; See forum discussion here. But it seems to have stopped working after 2.0.0-rc.1 I believe thats related to this in their CHANGELOG when they changed a lot of attributes to classes … Read more
There is no use of Bootstrap() in Ionic2, only use of @App to declare your app. You still need to declare your service in your @Page component. Create your service import {Injectable} from “angular2/core”; import {Http} from “angular2/http”; @Injectable() export class DataService { constructor(http: Http) { this.http = http; this.data = null; } retrieveData() { … Read more
If you want the plugin to work for the browser you should add platform browser and run it: ionic cordova platform add browser and run it: ionic cordova run browser instead of ionic serve.
I think you are tring to get the value from html before rendering completely. If you try to print the value in a button click, it will works. depend on your code I have modified a little.Try the below, it is working for me. ngAfterViewInit() { console.log(“afterinit”); setTimeout(() => { console.log(this.abc.nativeElement.innerText); }, 1000); } Note: … Read more
Better use observables this.sub = Observable.interval(10000) .subscribe((val) => { console.log(‘called’); }); to stop it use this.sub.unsubscribe(); Make sure to import interval with import ‘rxjs/add/observable/interval’;
The same trouble with same device has been here. So, it’s Xiaomi trouble, and here is a solution for this problem: Go to the “Security” application and tap “Options” at top right corner Scroll down to “Feature Settings” group, and look for “Permissions” At there switch off “Install via USB” option, which manages installation of … Read more
Try to use combineLatest instead of forkJoin : With combineLatest : const combined = Observable.combineLatest( this.http.get(‘https://testdb1.firebaseio.com/.json’).map((res: Response) => res.json()), this.http.get(‘https://testdb2.firebaseio.com/.json’).map((res: Response) => res.json()) ) combined.subscribe(latestValues => { const [ data_changes , data_all ] = latestValues; console.log( “data_changes” , data_changes); console.log( “data_all” , data_all); }); You can also handle it by forkJoin , but forkJoin will … Read more
There is no built-in support of calling a function when ngSwitch adds/removes elements. I would create a directive that calls the function when created (for example in ngOnInit()) or emits an event where an event handler can be bound to, and apply it to the component that is added when the ngSwitch branch is enabled. … Read more
Personally I don’t like the read the config.json file by using the http.get way to handle configuration information, and even though there must be another way to just include and read the json file in your code, since we’re using Angular2 and Typescript, why not using classes, interfaces and doing it in a more fancy … Read more