Angular MDBootstrap Forms Checkbox Component

Last Updated : 06 Jan, 2023

MDBootstrap is a Material Design and bootstrap-based Angular UI library that is used to make attractive webpages with its seamless and easy-to-use component. In this article, we will know how to use Checkbox Component in Angular MDBootstrap.

A Checkbox Component lets a user definitely choose a value from a limited number of choices in a subtle way.

Syntax:

<mdb-checkbox >CheckBox 1</mdb-checkbox>

Approach:

Download Angular MDBootstrap from the official site.
Extract the files and change them to the working directory.
Install npm in the current project using the following command:

npm install

After creating your project folder i.e. appname, move to it using the following command:

cd appname

Start the server using the following command:

ng serve

Project Structure: After complete installation, it will look like the following:

Project Structure

Example 1: This is the basic example that illustrates how to use the Checkbox Component in Angular MDBootstrap.

app.component.html

<div id='gfg'> 
    <h1>GeeksforGeeks</h1> 
    <h4>Angular MDBootstrap Checkbox Component</h4> 
    <br /> 
    <mdb-checkbox [default]="true"> 
      CheckBox 1 
      </mdb-checkbox> 
    <mdb-checkbox [default]="true"> 
      CheckBox 2 
      </mdb-checkbox> 
    <mdb-checkbox [default]="true"> 
      CheckBox 3 
      </mdb-checkbox> 
</div>

app.component.ts

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

app.module.ts

import { BrowserModule } from "@angular/platform-browser"; 
import { NgModule } from "@angular/core"; 
import { BrowserAnimationsModule }  
    from "@angular/platform-browser/animations"; 
  
import { AppComponent } from "./app.component"; 
import { MDBBootstrapModule } from "angular-bootstrap-md"; 
import { FormsModule } from "@angular/forms"; 
  
@NgModule({ 
  declarations: [AppComponent], 
  imports: [ 
    BrowserModule, 
    BrowserAnimationsModule, 
    MDBBootstrapModule.forRoot(), 
    FormsModule, 
  ], 
  providers: [], 
  bootstrap: [AppComponent], 
}) 
export class AppModule {}

Output:

Example 2: In this example, we will know how to use the checked state property in Checkbox Component.

app.component.html

<div id='gfg'> 
    <h1>GeeksforGeeks</h1> 
    <h4>Angular MDBootstrap Checkbox Component</h4> 
    <br /> 
    <mdb-checkbox [checked]="true"> 
          CheckBox 1 
     </mdb-checkbox> 
    <mdb-checkbox [checked]="true"> 
          CheckBox 2 
     </mdb-checkbox> 
    <mdb-checkbox [checked]="true"> 
          CheckBox 3 
     </mdb-checkbox> 
</div>

app.component.ts

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

app.module.ts

import { BrowserModule } from "@angular/platform-browser"; 
import { NgModule } from "@angular/core"; 
import { BrowserAnimationsModule }  
    from "@angular/platform-browser/animations"; 
  
import { AppComponent } from "./app.component"; 
import { MDBBootstrapModule } from "angular-bootstrap-md"; 
import { FormsModule } from "@angular/forms"; 
  
@NgModule({ 
  declarations: [AppComponent], 
  imports: [ 
    BrowserModule, 
    BrowserAnimationsModule, 
    MDBBootstrapModule.forRoot(), 
    FormsModule, 
  ], 
  providers: [], 
  bootstrap: [AppComponent], 
}) 
export class AppModule {}

Output:

Example 3: In this example, we will know how to use indeterminate state property in Checkbox Component.

app.component.html

<div id='gfg'> 
    <h1>GeeksforGeeks</h1> 
    <h4>Angular MDBootstrap Checkbox Component</h4> 
    <br /> 
    <mdb-checkbox [indeterminate]="true"   
                  [default]="true"> 
          CheckBox 1 
     </mdb-checkbox> 
    <mdb-checkbox [indeterminate]="true"   
                  [default]="true"> 
          CheckBox 2 
     </mdb-checkbox> 
    <mdb-checkbox [indeterminate]="true"   
                  [default]="true"> 
          CheckBox 3 
     </mdb-checkbox> 
</div>

app.component.ts

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

app.module.ts

import { BrowserModule } from "@angular/platform-browser"; 
import { NgModule } from "@angular/core"; 
import { BrowserAnimationsModule }  
    from "@angular/platform-browser/animations"; 
  
import { AppComponent } from "./app.component"; 
import { MDBBootstrapModule } from "angular-bootstrap-md"; 
import { FormsModule } from "@angular/forms"; 
  
@NgModule({ 
  declarations: [AppComponent], 
  imports: [ 
    BrowserModule, 
    BrowserAnimationsModule, 
    MDBBootstrapModule.forRoot(), 
    FormsModule, 
  ], 
  providers: [], 
  bootstrap: [AppComponent], 
}) 
export class AppModule {}

Output:

Example 4: In this example, we will know how to use the disabled state property in Checkbox Component.

app.component.html

<div id='gfg'> 
    <h1>GeeksforGeeks</h1> 
    <h4>Angular MDBootstrap Checkbox Component</h4> 
    <br /> 
    <mdb-checkbox [disabled]="true" 
                  [indeterminate]="true"  
                  [default]="true"> 
          CheckBox 1 
      </mdb-checkbox> 
    <mdb-checkbox [disabled]="true" 
                  [default]="true"> 
          CheckBox 2 
     </mdb-checkbox> 
    <mdb-checkbox [disabled]="true"  
                  [checked]="true"  
                  [default]="true"> 
          CheckBox 3 
      </mdb-checkbox> 
</div>

app.component.ts

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

app.module.ts

import { BrowserModule } from "@angular/platform-browser"; 
import { NgModule } from "@angular/core"; 
import { BrowserAnimationsModule }  
    from "@angular/platform-browser/animations"; 
  
import { AppComponent } from "./app.component"; 
import { MDBBootstrapModule } from "angular-bootstrap-md"; 
import { FormsModule } from "@angular/forms"; 
  
@NgModule({ 
  declarations: [AppComponent], 
  imports: [ 
    BrowserModule, 
    BrowserAnimationsModule, 
    MDBBootstrapModule.forRoot(), 
    FormsModule, 
  ], 
  providers: [], 
  bootstrap: [AppComponent], 
}) 
export class AppModule {}

Output:

Example 5: In this example, we will know how to use the inline property in Checkbox Component.

app.component.html

<div id='gfg'> 
    <h1>GeeksforGeeks</h1> 
    <h4>Angular MDBootstrap Checkbox Component</h4> 
    <br /> 
    <mdb-checkbox [inline]="true"  
                  [indeterminate]="true"   
                  [default]="true"> 
          CheckBox 1 
      </mdb-checkbox> 
    <mdb-checkbox [inline]="true" 
                  [default]="true"> 
          CheckBox 2 
      </mdb-checkbox> 
    <mdb-checkbox [inline]="true"  
                  [checked]="true"  
                  [default]="true"> 
          CheckBox 3 
      </mdb-checkbox> 
</div>

app.component.ts

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

app.module.ts

import { BrowserModule } from "@angular/platform-browser"; 
import { NgModule } from "@angular/core"; 
import { BrowserAnimationsModule }  
    from "@angular/platform-browser/animations"; 
  
import { AppComponent } from "./app.component"; 
import { MDBBootstrapModule } from "angular-bootstrap-md"; 
import { FormsModule } from "@angular/forms"; 
  
@NgModule({ 
  declarations: [AppComponent], 
  imports: [ 
    BrowserModule, 
    BrowserAnimationsModule, 
    MDBBootstrapModule.forRoot(), 
    FormsModule, 
  ], 
  providers: [], 
  bootstrap: [AppComponent], 
}) 
export class AppModule {}