CallKit screen goes in the background

[mrisek]

Which platform(s) does your issue occur on?

• iOS
• iPhone X physical device

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

• CLI: 5.2.2
• Cross-platform modules: 4.0.0
• Runtime(s): (look for the "tns-android" and "tns-ios" properties in the package.json file of your project)
• Plugin(s):

    "dependencies": {
        "@angular/animations": "~7.2.0",
        "@angular/common": "~7.2.0",
        "@angular/compiler": "~7.2.0",
        "@angular/core": "~7.2.0",
        "@angular/forms": "~7.2.0",
        "@angular/http": "~7.2.0",
        "@angular/platform-browser": "~7.2.0",
        "@angular/platform-browser-dynamic": "~7.2.0",
        "@angular/router": "~7.2.0",
        "@ngx-translate/core": "^11.0.1",
        "@ngx-translate/http-loader": "^4.0.0",
        "@types/node": "^10.12.15",
        "awesome-typescript-loader": "^4.0.0-0",
        "geolocation": "^0.2.0",
        "moment": "^2.22.2",
        "nativescript-angular": "^7.2.2",
        "nativescript-appavailability": "^1.3.1",
        "nativescript-audio": "^5.0.1",
        "nativescript-barcodescanner": "^3.0.2",
        "nativescript-bitmap-factory": "^1.7.1",
        "nativescript-call": "^0.2.0",
        "nativescript-camera": "^4.0.2",
        "nativescript-cardview": "^3.1.1",
        "nativescript-checkbox": "^3.0.3",
        "nativescript-clipboard": "^1.1.7",
        "nativescript-contacts-lite": "^0.2.6",
        "nativescript-dom": "^2.0.2",
        "nativescript-exit": "^1.0.1",
        "nativescript-geolocation": "^4.3.0",
        "nativescript-gif": "^4.0.2",
        "nativescript-google-maps-sdk": "^2.7.0",
        "nativescript-gradient": "^2.0.1",
        "nativescript-https": "^1.0.1",
        "nativescript-image-cache-it": "^4.1.0",
        "nativescript-image-filters": "^2.0.2",
        "nativescript-image-swipe": "^4.0.0",
        "nativescript-imagepicker": "^6.1.2",
        "nativescript-loading-indicator": "^2.4.0",
        "nativescript-localize": "^4.1.1",
        "nativescript-localstorage": "^1.1.5",
        "nativescript-mapbox": "4.3.0",
        "nativescript-master-technology": "^1.1.1",
        "nativescript-modal-datetimepicker": "^1.1.3",
        "nativescript-ng-shadow": "^2.1.0",
        "nativescript-ng2-fonticon": "^1.3.4",
        "nativescript-openurl": "^1.0.2",
        "nativescript-pdf-view": "^2.0.1",
        "nativescript-pdfview-ng": "^1.1.1",
        "nativescript-phone": "^1.3.1",
        "nativescript-photoviewer": "^1.4.0",
        "nativescript-plugin-firebase": "^7.7.0",
        "nativescript-pulltorefresh": "^2.1.1",
        "nativescript-screen-orientation": "^2.0.0",
        "nativescript-screenshot": "0.0.2",
        "nativescript-social-share": "^1.5.1",
        "nativescript-sound": "^1.0.4",
        "nativescript-theme-core": "~1.0.4",
        "nativescript-toast": "^1.4.6",
        "nativescript-toasty": "file:nativescript-toasty-1.2.0.tar",
        "nativescript-twilio": "^0.14.0",
        "nativescript-twilio-video": "file:nativescript-twilio-video-1.0.7-1.tgz",
        "nativescript-ui-calendar": "^3.10.0",
        "nativescript-ui-chart": "^3.11.1",
        "nativescript-ui-dataform": "^3.6.1",
        "nativescript-ui-gauge": "^3.7.1",
        "nativescript-ui-listview": "^5.0.1",
        "nativescript-ui-sidedrawer": "^5.0.0",
        "nativescript-vibrate": "^2.1.1",
        "nativescript-videoplayer": "^4.2.1",
        "numeral": "^2.0.6",
        "reflect-metadata": "~0.1.8",
        "reload": "^2.3.1",
        "rxjs": "^6.3.3",
        "rxjs-compat": "^6.3.3",
        "timeago.js": "^3.0.2",
        "tns-core-modules": "^5.2.2",
        "typescript": "^3.1.6",
        "zone.js": "^0.8.4"
    },
    "devDependencies": {
        "@angular/compiler-cli": "~7.1.0",
        "@nativescript/schematics": "~0.2.5",
        "@ngtools/webpack": "~7.1.0",
        "babel-traverse": "6.26.0",
        "babel-types": "6.26.0",
        "babylon": "6.18.0",
        "nativescript-dev-typescript": "^0.9.0",
        "nativescript-dev-webpack": "^0.18.5",
        "tns-platform-declarations": "^5.0.0",
        "ts-loader": "^5.2.2"
    }

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

CallKit screen goes in the background when we answer the call.