angular5

问题 I have an android app that uses android.support.v7.graphics.Palette to get the color info from a dynamic image and then customize the layout of the activity to use mutated colors from the image. My question is, does Angular 5 have anything similiar? I want to model the web version of this project as closely to the android version as possible. This would mean dynamically setting a few style colors after an image is selected. Update: I have been looking at ColorThief() for javascript. But I am

问题 i have the following Component Structure project edit-project sub-ressource1 sub-ressource2 sub-ressource3 So my routing looks like this: const childroutes = [ { path: '', children: [ { path: 'edit', component: EditProjectComponent}, { path: 'subres1', component: Subres1Component}, { path: 'subres2', component: Subres2Component}, { path: 'subres3', component: Subres3Component}, { path: 'subres4', component: Subres4Component} ] } ] { path: 'project/:projectId', component:

问题 I'm using angular5 ng-select component: https://github.com/ng-select/ng-select and try to set the selected value (programatically) when the container component first loaded (kind of default selected value set in the model). I didn't find any relevant attribute for it or for the isSelected for each item. Here is my code (filtered): HTML: <ng-select [items]="filter.values" bindLabel="text" bindValue="id" class="input-md" [(ngModel)]="filter.selectedValue"></ng-select> Model: export class

问题 I am using rendertron as a solution for server side rendering, below is index.js file. How to execute index.js and where to execute. I have setup my own instance of redertron using docker on my server and my angular app build is within dist folder how to render complete html of my angular app using rendertron and where to execute index.js const express = require('express'); const fetch = require('node-fetch'); const url = require('url'); const app = express(''); const appUrl = 'http://xyzabc

问题 Angular2 Material Component has a DatePicker that shows the date in the default format. And only support change local to "fa-IR". How can I format it to show Persian Date? 回答1: The following steps should help: 1 : load all required modules in module.ts: import { MatDatepickerModule, NativeDateAdapter, DateAdapter, MAT_DATE_FORMATS,MAT_DATE_LOCALE} from '@angular/material'; 2 : install jalali-moment using NPM: npm install jalali-moment 3 : import jalali date to your app: import * as moment

问题 I have two Components(Component1 and Component2) in my Angular Application. These two components I have rendered in my app component. Now I want to send a value from Component1 to Component2. How to Send it. Are there any best practices?? In Component1 I have a code Like this. Component1.html <button (click)="passData()">Click Me</button> Component1.ts import { Component, OnInit , Output , EventEmitter } from '@angular/core'; @Component({ selector: 'app-component1', templateUrl: './component1

问题 we are building an angular application, which we will embed in an existing IOS and android application as a webview. I want to create a communication between angular application and native application. Eg: On certain events like download, angular UI should send some data to native apps to use default app behavior like that .. From the basic search i found that it can be done by using javascript. I want to know the best approach to do this(Architecture level), ie communication between angular

问题 I am using Angular 5 for my frontend application and Java for the server side stuff. I have an issue with Angular routing. My problem is: When a user enters this URL http://example.net/public/public-data in his browser URL bar and hits enter he gets 404 . Because of this requested resource is not available on the server so to deal with this problem I have written .htaccess the file which redirects each and every request to the index.html page. After this change, the 404 problem is solved but

问题 I have a custom ControlValueAccessor which simply appends a currency symbol on an input. @Component({ selector: 'app-currency-input', templateUrl: './currency-input.component.html', styleUrls: ['./currency-input.component.scss'], providers: [ CurrencyPipe, { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => CurrencyInputComponent), multi: true } ] }) export class CurrencyInputComponent implements ControlValueAccessor { @Input() class = ''; currencyValue: string; onChange: (value:

问题 I'm trying to use the Angular flash message module as shown in this post: https://www.npmjs.com/package/angular-flash-message However, I get this error: > compiler.js:485 Uncaught Error: Template parse errors: > 'flash-messages' is not a known element: > > 1. If 'flash-messages' is an Angular component, then verify that it is part of this module. > 2. If 'flash-messages' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component > to suppress this