The problem

On iOS 13 there is a transparency of the colors that is not present in iOS 12, that makes also a problem when we try to use CSS classes for customize the component

iOS 12:

iOS 13:

Which platform(s) does your issue occur on?

• iOS 13 device iPhone X

Please, provide the following version numbers that your issue occurs with:

• CLI: 6.1.2
• Cross-platform modules: 6.1.2
• Runtime(s): iOS 6.1.1
• Plugin(s):
  "dependencies": {
  "@angular/animations": "~8.2.0",
  "@angular/common": "~8.2.0",
  "@angular/compiler": "~8.2.0",
  "@angular/core": "~8.2.0",
  "@angular/forms": "~8.2.0",
  "@angular/http": "8.0.0-beta.10",
  "@angular/platform-browser": "~8.2.0",
  "@angular/platform-browser-dynamic": "~8.2.0",
  "@angular/router": "~8.2.0",
  "@nstudio/nativescript-checkbox": "^1.0.0",
  "class-transformer": "^0.1.9",
  "class-validator": "^0.8.5",
  "clone": "^2.1.1",
  "fast-deep-equal": "^2.0.1",
  "filename-regex": "^2.0.1",
  "human-format": "^0.10.1",
  "libphonenumber-js": "^1.4.6",
  "lodash.difference": "^4.5.0",
  "lodash.has": "^4.5.2",
  "lodash.isnil": "^4.0.0",
  "lodash.last": "^3.0.0",
  "lodash.merge": "^4.6.1",
  "lodash.mergewith": "^4.6.1",
  "lodash.padstart": "^4.6.1",
  "lodash.random": "^3.2.0",
  "lodash.remove": "^4.7.0",
  "lodash.values": "^4.3.0",
  "moment": "^2.24.0",
  "moment-duration-format": "^2.2.2",
  "nativescript-advanced-webview": "^3.0.2",
  "nativescript-angular": "^8.2.1",
  "nativescript-audio": "file:../plugins/nativescript-audio/publish/package/nativescript-audio-5.0.1.tgz",
  "nativescript-bottom-navigation": "^1.3.0",
  "nativescript-calendar": "^2.0.1",
  "nativescript-datetimepicker": "^1.2.1",
  "nativescript-downloader": "file:../plugins/nativescript-downloader/publish/package/nativescript-downloader-2.1.4.tgz",
  "nativescript-drop-down": "^4.0.1",
  "nativescript-email": "^1.5.3",
  "nativescript-fancyalert": "^3.0.6",
  "nativescript-feedback": "^1.3.5",
  "nativescript-http-formdata": "^1.6.0",
  "nativescript-image-cache": "^1.1.6",
  "nativescript-imagecropper": "^1.0.5",
  "nativescript-imagepicker": "^6.1.2",
  "nativescript-intl": "^3.0.0",
  "nativescript-iqkeyboardmanager": "^1.4.0",
  "nativescript-local-notifications": "^3.1.2",
  "nativescript-localize": "^4.1.1",
  "nativescript-masked-text-field": "^4.0.1",
  "nativescript-material-bottomsheet": "^2.4.2",
  "nativescript-ng-ripple": "^2.0.1",
  "nativescript-orientation": "^2.2.1",
  "nativescript-pager": "^11.0.9",
  "nativescript-permissions": "^1.2.3",
  "nativescript-plugin-firebase": "^10.0.0",
  "nativescript-purchase": "^2.0.11",
  "nativescript-rater": "^2.1.0",
  "nativescript-sqlite": "^2.3.3",
  "nativescript-sqlite-commercial": "file:nativescript-sqlite-commercial-1.3.2.tgz",
  "nativescript-star-ratings": "file:../plugins/nativescript-star-ratings/publish/package/nativescript-star-ratings-1.0.0.tgz",
  "nativescript-telephony": "^1.0.4",
  "nativescript-theme-core": "~1.0.4",
  "nativescript-tslib": "^1.9.1-r1",
  "nativescript-ui-autocomplete": "5.0.0",
  "nativescript-ui-calendar": "5.0.0",
  "nativescript-ui-chart": "^6.0.0",
  "nativescript-ui-gauge": "5.0.0",
  "nativescript-ui-listview": "^7.0.4",
  "nativescript-ui-sidedrawer": "7.0.0",
  "ngx-custom-validators": "^6.1.0",
  "ngx-moment": "^3.1.0",
  "pauseable": "^0.3.1",
  "reflect-metadata": "~0.1.10",
  "rx-singleton-lock": "^1.1.1",
  "rxjs": "^6.4.0",
  "tns-core-modules": "^6.1.2",
  "typeorm": "file:../../../../typescript/typeorm/build/package",
  "zone.js": "^0.9.1"
  },
  "devDependencies": {
  "@angular/compiler-cli": "~8.2.0",
  "@nativescript/schematics": "~0.5.0",
  "@ngtools/webpack": "~8.2.0",
  "@types/node": "^11.13.0",
  "csv": "^5.1.1",
  "decompress": "^4.2.0",
  "download": "^7.1.0",
  "nativescript-dev-webpack": "^1.2.0",
  "nativescript-environments": "file:../plugins/nativescript-environments/publish/package/nativescript-environments-1.0.0.tgz",
  "node-sass": "4.12.0",
  "promisepipe": "^3.0.0",
  "sqlite": "^3.0.0",
  "sqlite3": "^4.0.6",
  "tns-platform-declarations": "6.0.1",
  "ts-loader": "^5.3.3",
  "typescript": "~3.5.3",
  "unzipper": "^0.9.8"
  }

Please, tell us how to recreate the issue in as much detail as possible.

Use the plugin as it is on iOS 13