Create A Project And Install This Packages ionic start blank chatApp blank --type=angular For Elastic Textarea Install AutosizeModule npm install ngx-autosize Optional npm install @ionic/labs Open home.module.ts and Import AutosizeModule import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; import { IonicModule } from '@ionic/angular'; import { FormsModule } from '@angular/forms'; import { RouterModule } from '@angular/router'; import { HomePage } from './home.page'; import {AutosizeModule} from 'ngx-autosize'; @NgModule({ imports: [ CommonModule, FormsModule, IonicModule, AutosizeModule, RouterModule.forChild([ { path: '', component: HomePage } ]) ], declarations: [HomePage] ...