错误:使用LoadingController时出现“未解决的函数或方法present()”

问题描述 投票:0回答:1

问题:

当我在项目中使用LoadingController时,出现以下错误:"Unresolved function or method present()"

这是我文件中的屏幕截图代码:

Unresolved function or method present()”

正如我们从屏幕快照中看到的,有2条代码显示了相同的错误。第51-61行的代码是ionic文档中代码的直接副本,可以在Usage

下看到

来自以下行的代码:63-69是该代码的精简版本和基本版本,出于测试目的,在await前面删除了loading.present();。但是,它会引发与上面的原始代码相同的错误。

GOAL:

我们可以采取什么措施来解决此问题,以便Intellij Idea(IDE)不再抱怨相同的问题?

以下是我的package.json中的信息:

{
  "name": "gf",
  "version": "0.0.1",
  "author": "Ionic Framework",
  "homepage": "https://ionicframework.com/",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/common": "~8.1.2",
    "@angular/compiler": "~8.1.2",
    "@angular/core": "~8.1.2",
    "@angular/forms": "~8.1.2",
    "@angular/platform-browser": "~8.1.2",
    "@angular/platform-browser-dynamic": "~8.1.2",
    "@angular/router": "~8.1.2",
    "@ionic-native/core": "^5.0.0",
    "@ionic-native/splash-screen": "^5.0.0",
    "@ionic-native/status-bar": "^5.0.0",
    "@ionic/angular": "^4.7.1",
    "@ionic/storage": "^2.2.0",
    "cordova-sqlite-storage": "^3.2.1",
    "core-js": "^2.5.4",
    "rxjs": "~6.5.1",
    "tslib": "^1.9.0",
    "zone.js": "~0.9.1"
  },
  "devDependencies": {
    "@angular-devkit/architect": "~0.801.2",
    "@angular-devkit/build-angular": "~0.801.2",
    "@angular-devkit/core": "~8.1.2",
    "@angular-devkit/schematics": "~8.1.2",
    "@angular/cli": "~8.1.2",
    "@angular/compiler": "~8.1.2",
    "@angular/compiler-cli": "~8.1.2",
    "@angular/language-service": "~8.1.2",
    "@ionic/angular-toolkit": "~2.0.0",
    "@types/jasmine": "~3.3.8",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "~8.9.4",
    "codelyzer": "^5.0.0",
    "jasmine-core": "~3.4.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~4.1.0",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.1",
    "karma-jasmine": "~2.0.1",
    "karma-jasmine-html-reporter": "^1.4.0",
    "protractor": "~5.4.0",
    "ts-node": "~7.0.0",
    "tslint": "~5.15.0",
    "typescript": "~3.4.3"
  },
  "description": "An Ionic project",
  "cordova": {
    "plugins": {
      "cordova-sqlite-storage": {}
    }
  }
}
ionic-framework ionic4
1个回答
0
投票

不确定这是正确的方法,但我设法Intellij停止抱怨

return(loading).present();

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