No Icon is showing Up in my app

I have an App, and when I build the app no icon is showing and I am not sure what could be the solution.
what could be the possible solution !!
Need you help guys.

can you specify which version of ionic you are using?

save you`re icons in assets folder in SVG format and then use.

it is help u use icon in offline mode
this link maybe help you

this in my config file :{

“name”: “ToolKit”,

“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-devkit/build-angular": "^0.13.0",

"@angular/common": "^8.2.0",

"@angular/core": "^8.2.0",

"@angular/forms": "^8.2.0",

"@angular/http": "^7.2.2",

"@angular/platform-browser": "^8.2.14",

"@angular/platform-browser-dynamic": "^8.2.14",

"@angular/router": "^7.2.2",

"@capacitor/core": "1.1.0",

"@capacitor/ios": "^1.1.0",

"@ionic-native/app-center-analytics": "^5.15.0",

"@ionic-native/core": "^5.0.0",

"@ionic-native/document-viewer": "^5.0.0",

"@ionic-native/file": "^5.9.0",

"@ionic-native/file-opener": "^5.9.0",

"@ionic-native/file-transfer": "^5.9.0",

"@ionic-native/geolocation": "^5.22.0",

"@ionic-native/in-app-browser": "^5.21.3",

"@ionic-native/network": "^5.10.0",

"@ionic-native/splash-screen": "^5.0.0",

"@ionic-native/status-bar": "^5.0.0",

"@ionic/angular": "^4.7.2",

"@ionic/storage": "^2.2.0",

"@types/apple-mapkit-js": "^5.4.0",

"android": "0.0.8",

"apple-mapkit-js": "^6.0.1",

"bootstrap": "^4.3.1",

"cordova-android": "8.1.0",

"cordova-browser": "^6.0.0",

"cordova-ios": "^4.5.5",

"cordova-plugin-device": "~2.0.2",

"cordova-plugin-file": "^6.0.2",

"cordova-plugin-file-opener2": "^2.2.1",

"cordova-plugin-file-transfer": "^1.7.1",

"cordova-plugin-geolocation": "^4.0.2",

"cordova-plugin-googlemaps": "~2.3.8",

"cordova-plugin-googlemaps-sdk": "git+https://github.com/mapsplugin/cordova-plugin-googlemaps-sdk.git#2.7.0",

"cordova-plugin-inappbrowser": "^3.1.0",

"cordova-plugin-ionic-keyboard": "^2.0.5",

"cordova-plugin-ionic-webview": "^4.0.0",

"cordova-plugin-network-information": "^2.0.2",

"cordova-plugin-splashscreen": "~5.0.2",

"cordova-plugin-statusbar": "~2.4.2",

"cordova-plugin-whitelist": "~1.3.3",

"cordova-res": "^0.8.1",

"cordova-sqlite-storage": "^3.4.0",

"core-js": "^2.5.4",

"file-system": "^2.2.2",

"geolocation": "^0.2.0",

"gradle": "^1.0.9",

"guid-typescript": "^1.0.9",

"ionic-angular": "^3.9.9",

"jsonwebtoken": "^8.5.1",

"mapbox-gl": "^1.2.1",

"natives": "^1.1.6",

"ng2-pdf-viewer": "^6.0.2",

"onesignal-cordova-plugin": "^2.8.4",

"rxjs": "~6.5.1",

"tslib": "^1.9.0",

"zone.js": "~0.8.29"

},

“devDependencies”: {

"@angular-devkit/architect": "~0.13.8",

"@angular-devkit/core": "~7.3.8",

"@angular-devkit/schematics": "~7.3.8",

"@angular/cli": "~7.3.8",

"@angular/compiler": "~8.2.0",

"@angular/compiler-cli": "^8.2.14",

"@angular/language-service": "~8.2.0",

"@capacitor/cli": "1.1.0",

"@ionic/angular-toolkit": "~1.5.1",

"@ionic/app-scripts": "^3.2.4",

"@types/jasmine": "~2.8.8",

"@types/jasminewd2": "~2.0.3",

"@types/node": "~12.0.0",

"codelyzer": "~4.5.0",

"cordova-plugin-device": "^2.0.3",

"cordova-plugin-googlemaps": "^2.3.11",

"cordova-plugin-ionic-keyboard": "^2.2.0",

"cordova-plugin-ionic-webview": "^4.1.3",

"cordova-plugin-splashscreen": "^5.0.3",

"cordova-plugin-statusbar": "^2.4.3",

"cordova-plugin-whitelist": "^1.3.4",

"ionic": "^5.2.3",

"jasmine-core": "~2.99.1",

"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": "~1.1.2",

"karma-jasmine-html-reporter": "^0.2.2",

"node-sass": "^4.13.1",

"protractor": "~5.4.0",

"ts-node": "~8.3.0",

"tslint": "~5.17.0",

"typescript": "~3.4.0"

},

“description”: “An Ionic project”,

“cordova”: {

"plugins": {

  "cordova-plugin-file-transfer": {},

  "cordova-plugin-file-opener2": {

    "ANDROID_SUPPORT_V4_VERSION": "27.+"

  },

  "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": {},

  "cordova-sqlite-storage": {},

  "cordova-plugin-network-information": {},

  "cordova-plugin-inappbrowser": {},

  "cordova-plugin-file": {},

  "cordova-plugin-geolocation": {},

  "cordova-plugin-googlemaps": {

    "API_KEY_FOR_ANDROID": "(AndroidKey)",

    "API_KEY_FOR_IOS": "(iOSKey)",

    "PLAY_SERVICES_VERSION": "15.0.1",

    "ANDROID_SUPPORT_V4_VERSION": "26.1.0",

    "LOCATION_WHEN_IN_USE_DESCRIPTION": "This app wants to get your location while this app runs only.",

    "LOCATION_ALWAYS_USAGE_DESCRIPTION": "This app wants to get your location always, even this app runs in background."

  },

  "onesignal-cordova-plugin": {}

},

"config": {

  "ionic_sass": "./sass.config.js"

},

"platforms": [

  "browser",

  "android",

  "ios"

]

}

}