Guide to implementing a dynamic background image in an angular 4 component

My inquiry is quite straightforward - I am currently in the process of developing an Angular 4 application and I require assistance with setting an image as the background for my Home component, filling the entire browser window exclusively within that component. Here is the basic structure of my project:

index.html:

<!doctype html>
    <html lang="en">
    <head>
      <meta charset="utf-8">
      <title>MyAngularApp</title>
      <base href="/">

      <meta name="viewport" content="width=device-width, initial-scale=1">
      <link rel="icon" type="image/x-icon" href="favicon.ico">
    </head>
    <body>
      <app-root></app-root>
    </body>
    </html>

app.component.html:

<router-outlet></router-outlet>

app.component.ts:

import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'app';
}

home.component.html:

<div class="background">
<p>Example</p>
</div>

home.component.css:

.background {
    width: 100%;
    background: url('../../assets/background.jpg') no-repeat;
    background-size: cover;
    color: white;
    text-align: center;
}

Upon rendering the Home component, my objective is to have an image occupy the entire browser window as the background specific to that particular component. However, despite previous attempts, I've encountered difficulties in achieving this as the image only fills the background of a single sentence without being responsive.

I appreciate any insights or guidance on resolving this issue. Thank you!

Answer №1

Dealing with a similar problem, I found that sometimes my content was overflowing beyond the height: 100vh, causing the background to be missing. To resolve this issue, I implemented the following solution:

.custom-background {
    min-height: 100vh;
    background: url('...');
    background-size: cover;
    width: 100%;
    text-align: center;
}

Answer №2

I have successfully created a working StackBlitz example showcasing your issue

Check out the StackBlitz demo here

To achieve the desired background effect, make sure to update your CSS as follows:

.background {
   width: 100%;
   height: 100vh;
   background: url('../../assets/background.jpg') no-repeat;
   background-size: cover;
   color: white;
   text-align: center;
}

You can see a screenshot of the successful implementation below. The white border around it is caused by default HTML padding/margin, which you can remove by using normalize.css for a seamless look.

https://i.sstatic.net/2pedx.png

Answer №3

Responding to the previous suggestion of adding a div that spans 100% width and height (Unfortunately, I lack the points needed to comment directly on the answer). However, there is a small flaw in the solution with white borders appearing at all four corners.

To fully display the image without these edges, include the following code snippet in the index.html file:
You can verify this by testing it out using the provided stackblitz link

<body style="background-color:black;padding:0px; margin:0px;">
<my-app>loading</my-app>
</body>

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