tabs init

src/app/tabs/discover/discover.module.ts

+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IonicModule } from '@ionic/angular';
+
+import { DiscoverPage } from './discover.page';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: DiscoverPage
+  }
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FormsModule,
+    IonicModule,
+    RouterModule.forChild(routes)
+  ],
+  declarations: [DiscoverPage]
+})
+export class DiscoverPageModule {}

src/app/tabs/discover/discover.page.html

+<ion-header>
+  <ion-toolbar>
+    <ion-title>discover</ion-title>
+  </ion-toolbar>
+</ion-header>
+
+<ion-content>
+
+</ion-content>

src/app/tabs/discover/discover.page.ts

+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-discover',
+  templateUrl: './discover.page.html',
+  styleUrls: ['./discover.page.scss'],
+})
+export class DiscoverPage implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/tabs/home/home.module.ts

+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IonicModule } from '@ionic/angular';
+
+import { HomePage } from './home.page';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: HomePage
+  }
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FormsModule,
+    IonicModule,
+    RouterModule.forChild(routes)
+  ],
+  declarations: [HomePage]
+})
+export class HomePageModule {}

src/app/tabs/home/home.page.html

+<ion-header>
+  <ion-toolbar>
+    <ion-title>home</ion-title>
+  </ion-toolbar>
+</ion-header>
+
+<ion-content>
+
+</ion-content>

src/app/tabs/home/home.page.ts

+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-home',
+  templateUrl: './home.page.html',
+  styleUrls: ['./home.page.scss'],
+})
+export class HomePage implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/tabs/mine/mine.module.ts

+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IonicModule } from '@ionic/angular';
+
+import { MinePage } from './mine.page';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: MinePage
+  }
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FormsModule,
+    IonicModule,
+    RouterModule.forChild(routes)
+  ],
+  declarations: [MinePage]
+})
+export class MinePageModule {}

src/app/tabs/mine/mine.page.html

+<ion-header>
+  <ion-toolbar>
+    <ion-title>mine</ion-title>
+  </ion-toolbar>
+</ion-header>
+
+<ion-content>
+
+</ion-content>

src/app/tabs/mine/mine.page.ts

+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-mine',
+  templateUrl: './mine.page.html',
+  styleUrls: ['./mine.page.scss'],
+})
+export class MinePage implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/tabs/serve/serve.module.ts

+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IonicModule } from '@ionic/angular';
+
+import { ServePage } from './serve.page';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: ServePage
+  }
+];
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FormsModule,
+    IonicModule,
+    RouterModule.forChild(routes)
+  ],
+  declarations: [ServePage]
+})
+export class ServePageModule {}

src/app/tabs/serve/serve.page.html

+<ion-header>
+  <ion-toolbar>
+    <ion-title>serve</ion-title>
+  </ion-toolbar>
+</ion-header>
+
+<ion-content>
+
+</ion-content>

src/app/tabs/serve/serve.page.ts

+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-serve',
+  templateUrl: './serve.page.html',
+  styleUrls: ['./serve.page.scss'],
+})
+export class ServePage implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}