Are there any methods for utilizing the Angular/flex-layout API within a TypeScript file in an Angular 11 project?

Question

Are there any methods for utilizing the Angular/flex-layout API within a TypeScript file in an Angular 11 project?

When working with Angular Material, the Angular Flex Layout proves to be quite beneficial. Is there a way to access the flex layout API within a TypeScript file?

For instance, can we retrieve MediaQueries values from this link in a TypeScript file?

breakpoint  mediaQuery
xs  'screen and (max-width: 599px)'
sm  'screen and (min-width: 600px) and (max-width: 959px)'
md  'screen and (min-width: 960px) and (max-width: 1279px)'
lg  'screen and (min-width: 1280px) and (max-width: 1919px)'
xl  'screen and (min-width: 1920px) and (max-width: 5000px)'
lt-sm   'screen and (max-width: 599px)'
lt-md   'screen and (max-width: 959px)'
lt-lg   'screen and (max-width: 1279px)'
lt-xl   'screen and (max-width: 1919px)'
gt-xs   'screen and (min-width: 600px)'
gt-sm   'screen and (min-width: 960px)'
gt-md   'screen and (min-width: 1280px)'
gt-lg   'screen and (min-width: 1920px)'

Essentially, I want to know if it's possible to use the media query for small, large, and medium screens within an Angular TypeScript file.

angular typescript angular-material angular-flex-layout

Answer 1

Answer №1

A convenient method exists to implement media queries within TypeScript files in Angular, though it may not be immediately obvious.

One approach is by utilizing the Breakpoint Observer API from Angular Material, which offers the same media queries found in Angular's FlexLayout API and are defined in Material Design.

Here is a predefined list of breakpoints that can be customized according to your requirements:

export declare const Breakpoints: {
    XSmall: string;
    Small: string;
    Medium: string;
    Large: string;
    XLarge: string;
    Handset: string;
    Tablet: string;
    Web: string;
    HandsetPortrait: string;
    TabletPortrait: string;
    WebPortrait: string;
    HandsetLandscape: string;
    TabletLandscape: string;
    WebLandscape: string;
};

In order to make use of these breakpoints effectively, check out this example on StackBlitz.

Follow these steps:

Add LayoutModule to your app.module.ts file and include it in the imports array.

import { LayoutModule } from "@angular/cdk/layout";

Import BreakpointObserver, Breakpoints, and BreakpointState within your component.

import {
  BreakpointObserver,
  Breakpoints,
  BreakpointState
} from "@angular/cdk/layout";

Include BreakpointObserver in the constructor of your component.
In the ngOnInit function, set up the query for a specific viewport using values from the Breakpoints list. You can define multiple values within an array:

[Breakpoints.Small, Breakpoints.HandsetPortrait]

Combined code snippet:

export class AppComponent implements OnInit {
  constructor(public breakpointObserver: BreakpointObserver) {}

  viewportWidth: string;

  ngOnInit() {
    this.breakpointObserver
      .observe([Breakpoints.Small, Breakpoints.HandsetPortrait])
      .subscribe((state: BreakpointState) => {
        if (state.matches) {
          this.viewportWidth = "📱  I am INSIDE the breakpoint";
        } else {
          this.viewportWidth = "💻  I am OUTSIDE the breakpoint";
        }
      });
  }
}

For the full implementation, refer to the complete code on StackBlitz. You can customize it as needed.

Answer 2

A convenient method exists to implement media queries within TypeScript files in Angular, though it may not be immediately obvious.

One approach is by utilizing the Breakpoint Observer API from Angular Material, which offers the same media queries found in Angular's FlexLayout API and are defined in Material Design.

Here is a predefined list of breakpoints that can be customized according to your requirements:

export declare const Breakpoints: {
    XSmall: string;
    Small: string;
    Medium: string;
    Large: string;
    XLarge: string;
    Handset: string;
    Tablet: string;
    Web: string;
    HandsetPortrait: string;
    TabletPortrait: string;
    WebPortrait: string;
    HandsetLandscape: string;
    TabletLandscape: string;
    WebLandscape: string;
};

In order to make use of these breakpoints effectively, check out this example on StackBlitz.

Follow these steps:

Add LayoutModule to your app.module.ts file and include it in the imports array.

import { LayoutModule } from "@angular/cdk/layout";

Import BreakpointObserver, Breakpoints, and BreakpointState within your component.

import {
  BreakpointObserver,
  Breakpoints,
  BreakpointState
} from "@angular/cdk/layout";

Include BreakpointObserver in the constructor of your component.
In the ngOnInit function, set up the query for a specific viewport using values from the Breakpoints list. You can define multiple values within an array:

[Breakpoints.Small, Breakpoints.HandsetPortrait]

Combined code snippet:

export class AppComponent implements OnInit {
  constructor(public breakpointObserver: BreakpointObserver) {}

  viewportWidth: string;

  ngOnInit() {
    this.breakpointObserver
      .observe([Breakpoints.Small, Breakpoints.HandsetPortrait])
      .subscribe((state: BreakpointState) => {
        if (state.matches) {
          this.viewportWidth = "📱  I am INSIDE the breakpoint";
        } else {
          this.viewportWidth = "💻  I am OUTSIDE the breakpoint";
        }
      });
  }
}

For the full implementation, refer to the complete code on StackBlitz. You can customize it as needed.

Are there any methods for utilizing the Angular/flex-layout API within a TypeScript file in an Angular 11 project?

Answer №1

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