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:
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": {}
}
}
}
不确定这是正确的方法,但我设法Intellij停止抱怨
return(loading).present();