iOS平台上的App Ionic无法正常运行

Question

我在iOS平台上的应用存在问题。 Android中的应用程序运行完美，但是当我在iPhone设备上测试该应用程序时，它运行缓慢，某些navPush无法正常运行，而其他的运行良好，ion-grid无法加载所有元素，但是很多又一次我滚动，加载最后一个元素。我能解决吗？我尝试重新安装新的Ionic App，但问题仍然存在。

我过去了我的配置：

我尝试重新安装新的Ionic App，但问题仍然存在。

PACKAGE.JSON

{
  "name": "OpenGoNew",
  "version": "0.0.1",
  "author": "Ionic Framework",
  "homepage": "http://ionicframework.com/",
  "private": true,
  "scripts": {
    "clean": "ionic-app-scripts clean",
    "build": "ionic-app-scripts build",
    "lint": "ionic-app-scripts lint",
    "ionic:build": "ionic-app-scripts build",
    "ionic:serve": "ionic-app-scripts serve"
  },
  "dependencies": {
    "@angular/common": "^7.2.15",
    "@angular/compiler": "^7.2.15",
    "@angular/compiler-cli": "^7.2.15",
    "@angular/core": "^7.2.15",
    "@angular/forms": "^5.2.0",
    "@angular/http": "^5.2.0",
    "@angular/platform-browser": "^5.2.0",
    "@angular/platform-browser-dynamic": "^5.2.0",
    "@ionic-native/app-update": "^5.5.1",
    "@ionic-native/camera": "^5.5.1",
    "@ionic-native/core": "^5.5.1",
    "@ionic-native/email-composer": "^5.5.1",
    "@ionic-native/splash-screen": "^5.5.1",
    "@ionic-native/status-bar": "^5.5.1",
    "@ionic/storage": "^2.2.0",
    "@ng-idle/core": "^2.0.0-beta.15",
    "@ng-idle/keepalive": "^2.0.0-beta.15",
    "cordova-ios": "5.0.0",
    "cordova-plugin-app-update": "^2.0.2",
    "cordova-plugin-appversion": "^1.0.0",
    "cordova-plugin-camera": "4.0.3",
    "cordova-plugin-device": "^2.0.2",
    "cordova-plugin-email-composer": "0.9.2",
    "cordova-plugin-ionic-keyboard": "^2.1.3",
    "cordova-plugin-ionic-webview": "^3.1.2",
    "cordova-plugin-splashscreen": "^5.0.2",
    "cordova-plugin-statusbar": "^2.4.2",
    "cordova-plugin-whitelist": "^1.3.3",
    "es6-promise-plugin": "4.2.2",
    "ionic-angular": "3.9.2",
    "ionicons": "^4.5.8",
    "rxjs": "^6.3.0",
    "rxjs-compat": "^6.5.2",
    "sw-toolbox": "3.6.0",
    "zone.js": "0.8.29"
  },
  "devDependencies": {
    "@ionic/app-scripts": "3.2.3",
    "typescript": "2.6.2"
  },
  "description": "An Ionic project",
  "cordova": {
    "plugins": {
      "cordova-plugin-camera": {},
      "cordova-plugin-email-composer": {
        "ANDROID_SUPPORT_V4_VERSION": "28.+"
      },
      "cordova-plugin-app-update": {},
      "cordova-plugin-whitelist": {},
      "cordova-plugin-statusbar": {},
      "cordova-plugin-device": {},
      "cordova-plugin-splashscreen": {},
      "cordova-plugin-ionic-webview": {
        "ANDROID_SUPPORT_ANNOTATIONS_VERSION": "27.+"
      },
      "cordova-plugin-ionic-keyboard": {}
    },
    "platforms": [
      "ios"
    ]
  }
}

app.module.ts

import { ListAppartmentPageModule } from './../pages/list-appartment/list-appartment.module';
import { RiepilogoUtentePageModule } from './../pages/riepilogo-utente/riepilogo-utente.module';
import { DocumentsPageModule } from './../pages/documents/documents.module';
import { CamerePageModule } from './../pages/camere/camere.module';
import { CamerePage } from './../pages/camere/camere';
import { ListAppartmentPage } from './../pages/list-appartment/list-appartment';
import { BrowserModule } from '@angular/platform-browser';
import { ErrorHandler, NgModule } from '@angular/core';
import { IonicApp, IonicErrorHandler, IonicModule } from 'ionic-angular';
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';

import { MyApp } from './app.component';
import { HomePage } from '../pages/home/home';
import { RiepilogoUtentePage } from '../pages/riepilogo-utente/riepilogo-utente';

import { HttpClientModule } from '@angular/common/http';
import { HttpModule } from '@angular/http';

import { PostProvider } from '../providers/post-provider';
import { IonicStorageModule } from '@ionic/storage';
import { DocumentsPage } from "../pages/documents/documents";
import { GetLocalUserProvider } from '../providers/get-local-user';
import {NgIdleKeepaliveModule} from "@ng-idle/keepalive";

import { Camera } from '@ionic-native/camera/ngx';
import { EmailComposer } from '@ionic-native/email-composer/ngx';


@NgModule({
  declarations: [
    MyApp,
    HomePage,
    // ListAppartmentPage,
    // RiepilogoUtentePage,
    // CamerePage,
    // DocumentsPage
  ],
  imports: [
    BrowserModule,
    HttpClientModule,
    HttpModule,
    CamerePageModule,
    DocumentsPageModule,
    RiepilogoUtentePageModule,
    ListAppartmentPageModule,
    NgIdleKeepaliveModule.forRoot(),
    IonicStorageModule.forRoot(),
    IonicModule.forRoot(MyApp, {
       autocomplete: false,
       autocorrect: 'off',
       scrollAssist: false,
       autoFocusAssist: false
    })
  ],
  bootstrap: [IonicApp],
  entryComponents: [
    MyApp,
    HomePage,
    RiepilogoUtentePage,
    ListAppartmentPage,
    CamerePage,
    DocumentsPage
  ],
  providers: [
    StatusBar,
    SplashScreen,
    Camera,
    EmailComposer,
    PostProvider,
    {provide: ErrorHandler, useClass: IonicErrorHandler},
    GetLocalUserProvider
  ]
})
export class AppModule {}