Recent questions tagged angular

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angular - Pass data from one Component to another Component in angular4

I have two Components(Component1 and Component2) in my Angular Application. These two components I have rendered ... of component tree. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - how to shared object data between two component using service(rxjs subject )

Please give me a solution for that question. I want to pass a custom object using service. private messageSource = ... ; imgArray:string[]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 Router interacting with Material Design Lite

I've come across an interaction between the Angular2 router and the Material Design Lite (MDL) animations. If I ... what is. Any suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Ionic 2 prevent hardware back button default

How can I prevent default navigation when pressing hardware back button? I've tried registerBackButtonAction, but then it ... ); }, false); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Sharing photo/photos to my ionic 2 application from “share” button in gallery images

When I choose picture/pictures from gallery of my android phone and click on share button, a list of apps appear. ... not the the desired page! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Running jasmine tests for a component with NgZone dependency

How would I go ahead with running a jasmine test for the following component: @Component({ moduleId: module.id ... test this component? Regards See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to know when all Angular2 HTTP calls are finished

I'm writing an application that will monitor the current build number of all of our applications across ... that with rxjs observables See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular5 / ng test ERROR : TypeError: this.handler.handle is not a function

This is my Angular configuration : Angular CLI: 1.7.2 Node: 6.10.0 OS: win32 x64 Angular: 5.2.5 ... ... .setJwtToken(user.token); } Any ideas ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ViewChildren for ng-template

I have a angular2 component for which the template look like this: <div> <div><ng-template #left></ng- ... I need to pass between bracket. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Nativescript: HTTP failure response for unknown URL

I have a situation, I have pulled the latest changes from my branch and trying to run the application using ... elk.chennai-volunteer-294... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Creating a collapsible list with NativeScript

I am trying to create a FAQs type of screen in my app however am not finding a way to show questions and collapse the ... ") ]); } } My screen: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How can I avoid multiple nested subscriptions using RxJS operators?

I am working on a file encryption and upload class using Angular. Many of these operations are async and ... workflow is completed. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - IONIC 2 native Network.onDisconnect() running code twice

i am working with ionic 2 RC1 and using sublime as text editor. i need to check if the network connection ... appreciated. Thanks in advance ! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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891 views

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angular - HttpInterceptor->Service->HttpClient Cyclic Dependency

So I have my authentication service, AuthService, that basically has two methods, one that gets a new token from the ... .handle(newReq)); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ngTemplateOutlet with dynamic value

I'm using ngTemplateOutlet with dynamic value. <ng-container *ngFor="let part of objectKeys(config);"> <ng- ... have really unreadable big code. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - RXJS groupBy Observable <Object[]>

I have entries$: Observable<BooksOverviewGroup[]>;: and i would like to group them by groupId. I tried like this: ... ? (Observable<Object[]>) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - What is snapshotchanges in firestore

this function is called by the constructor. can someone explain in depth to me what it does? initializeItems(){ this. ... to reverse order }); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ionic2 tap vs click

I am starting with angular2 and ionic2; In ionic2, I have a button that will call a method of my ... /docs/v2/components/#gestures Thx. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Passing ngFor variable to an ngIf template

How do I pass the current variable in an ngFor loop to ngIf, if it is using templates with then/else ... versions in the following link: plunkr See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Staggering Angular2 animations within *ngFor

I've been digging around the Angular2 documentation and there doesn't seem to be a simple way to add delays ... ago, before the final release. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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781 views

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angular - Angular2 + Google Charts. How to integrate Google Charts in Angular2?

I want to integrate Google Charts in my Angular2 application. What is the way to do this? Is there any examples ... work. Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to load image with spinner in angular2

my app got many images with descriptions. When user navigates these text is coming first and image is loading with ... or not and display it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ngIf - Expression has changed after it was checked

I have a simple scenario, but just can't get it working! In my view I display some text in a box with ... Any idea how to make this work? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Why should I use Validators.compose()?

I have a field I want to validate with multiple validators. Using the Module Driven approach the code looks ... I use Validators.compose()? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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719 views

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angular - How to config nginx to run angular4 application

I am new to angular and I would like to put the application on Nginx server on a docker container. 1. ... that example is available on github See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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angular - Angular4 Application running issues in IE11

I am building a Angular4 project using Angular CLI (1.1.2). It runs perfectly in Chrome (Version 59.0.3071 ... to solve this problem? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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825 views

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angular - Difference between [routerLink] and routerLink

What is the difference between [routerLink] and routerLink ? How should you use each one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - NgbTypeahead selectItem get clicked item ngBootstrap angular2

In this answer, it was explained to me to use selectItem to get the select event. But at this point ... be /api/search/$actualSelectedItem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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