Ionic - APK 构建总是生成具有旧值的旧 apk

Question

我目前正在使用 Capacitor 开发 Ionic 应用程序。奇怪的是，apk 产生了意想不到的结果。

这种情况经常发生。让我描述一下我的工作。

构建 apk 时，我首先确保删除 capacitor.config.json 中的 server 键。当我使用 Ionic Live Reload 时，它写在那里。

然后我使用以下命令构建 apk：

ionic build
ionic cap copy
ionic cap sync
ionic cap open android

在我点击“播放”按钮在我的设备上安装该应用程序之前，我转到我的设置并清除该应用程序的缓存和数据，然后卸载该应用程序。

然后我在 phone 上安装新的应用程序。但奇怪的是，有旧值，还有一些来自内部数据库的旧值。

怎么会这样？我做错了什么？

这是我的 package.json:

{
  "name": "OrgAtwork_mobile",
  "version": "0.08.06",
  "author": "Ionic Framework",
  "homepage": "https://ionicframework.com/",
  "scripts": {
    "ng": "ng",
    "start": "ng serve --proxy-config proxy.conf.json",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/cdk": "^10.2.0",
    "@angular/common": "^10.0.14",
    "@angular/core": "^10.0.14",
    "@angular/flex-layout": "^10.0.0-beta.32",
    "@angular/forms": "^10.0.14",
    "@angular/platform-browser": "^10.0.14",
    "@angular/platform-browser-dynamic": "^10.0.14",
    "@angular/router": "^10.0.14",
    "@capacitor/android": "^2.4.1",
    "@capacitor/core": "^2.4.0",
    "@capacitor/ios": "^2.4.0",
    "@ionic-native/core": "^5.28.0",
    "@ionic-native/http": "^5.29.0",
    "@ionic-native/launch-navigator": "^5.28.0",
    "@ionic-native/native-storage": "^5.28.0",
    "@ionic-native/screen-orientation": "^5.28.0",
    "@ionic-native/splash-screen": "^5.28.0",
    "@ionic-native/sqlite": "^5.28.0",
    "@ionic-native/status-bar": "^5.28.0",
    "@ionic/angular": "^5.3.2",
    "@types/hammerjs": "^2.0.36",
    "@types/underscore": "^1.10.24",
    "add": "^2.0.6",
    "cordova-plugin-actionsheet": "^2.3.3",
    "cordova-plugin-advanced-http": "^3.1.0",
    "cordova-plugin-app-preferences": "^0.99.3",
    "cordova-plugin-dialogs": "^2.0.2",
    "cordova-plugin-file": "^6.0.2",
    "cordova-plugin-geolocation": "^4.0.2",
    "cordova-plugin-nativestorage": "^2.3.2",
    "cordova-plugin-screen-orientation": "^3.0.2",
    "cordova-sqlite-storage": "^5.0.1",
    "es6-promise-plugin": "^4.2.2",
    "hammerjs": "^2.0.8",
    "ionic-long-press": "^2.0.3",
    "js-sha256": "^0.9.0",
    "moment": "^2.27.0",
    "moment-range": "^4.0.2",
    "rxjs": "^6.6.3",
    "rxjs-compat": "^6.6.3",
    "sha.js": "^2.4.11",
    "tslib": "^2.0.1",
    "uk.co.workingedge.phonegap.plugin.launchnavigator": "^5.0.4",
    "underscore": "^1.11.0",
    "zone.js": "~0.10.3"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^0.1100.2",
    "@angular/cli": "^10.0.8",
    "@angular/compiler": "^10.0.14",
    "@angular/compiler-cli": "^10.0.14",
    "@angular/language-service": "^10.0.14",
    "@capacitor/cli": "2.3.0",
    "@ionic/angular-toolkit": "^2.3.3",
    "@types/jasmine": "^3.5.14",
    "@types/jasminewd2": "~2.0.8",
    "@types/node": "^14.6.4",
    "@types/uuid": "^8.3.0",
    "codelyzer": "^6.0.0",
    "cordova-plugin-ionic-keyboard": "^2.2.0",
    "cordova-plugin-ionic-webview": "^4.2.1",
    "cordova-plugin-splashscreen": "^5.0.2",
    "cordova-plugin-statusbar": "^2.4.2",
    "cordova-plugin-whitelist": "^1.3.3",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~5.0.2",
    "karma": "^5.1.1",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "~3.0.3",
    "karma-jasmine": "~3.3.1",
    "karma-jasmine-html-reporter": "^1.5.4",
    "protractor": "~7.0.0",
    "ts-node": "~8.10.2",
    "tslint": "^6.1.3",
    "typescript": "~3.9.7"
  },
  "description": "An Ionic project",
  "cordova": {
    "plugins": {
      "cordova-plugin-whitelist": {},
      "cordova-plugin-statusbar": {},
      "cordova-plugin-splashscreen": {},
      "cordova-plugin-ionic-webview": {},
      "cordova-plugin-ionic-keyboard": {}
    },
    "platforms": []
  }
}

Answer 1

我发现了问题。

在Android清单中，设置android:allowBackup="false"。它默认为 true，当它不设置为 false 时将加载一些旧数据。

Answer 2

我遇到了同样的问题。我通过删除 ionic 应用程序中的 android 和 dist 文件夹解决了这个问题。然后我运行:

npm run build
ionic capacitor add android
ionic capacitor open android’

更新：您也可以在不删除文件夹的情况下执行以下步骤：

npm run build
npx cap sync
ionic capacitor open android
(In android studio) sync project with gradle files

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