On tap throws java casting error

[KirilOkun]

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Which platform(s) does your issue occur on?

• iOS/Android/Both
• iOS/Android versions
• emulator or device. What type of device?

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

• CLI: (run tns --version to fetch it) 5.4.0
• Cross-platform modules: (check the 'version' attribute in the node_modules/tns-core-modules/package.json file in your project) 5.4.2
• Runtime(s): (look for the "tns-android" and "tns-ios" properties in the package.json file of your project) 5.4.0

• Plugin(s): (look for the version numbers in the package.json file of your project and paste your dependencies and devDependencies here)

  "dependencies": { "@angular/animations": "8.0.2", "@angular/common": "8.0.2", "@angular/compiler": "8.0.2", "@angular/core": "8.0.2", "@angular/forms": "8.0.2", "@angular/http": "8.0.0-beta.10", "@angular/language-service": "8.0.2", "@angular/platform-browser": "8.0.2", "@angular/platform-browser-dynamic": "8.0.2", "@angular/pwa": "0.802.0", "@angular/router": "8.0.2", "@angular/service-worker": "8.0.2", "@ngx-translate/core": "^11.0.1", "@ngx-translate/http-loader": "^4.0.0", "@progress-nativechat/nativescript-nativechat": "2.0.4", "@progress/kendo-angular-buttons": "~5.0.0", "@progress/kendo-angular-charts": "~4.0.0", "@progress/kendo-angular-common": "~1.0.0", "@progress/kendo-angular-dateinputs": "~4.0.0", "@progress/kendo-angular-dialog": "~4.0.0", "@progress/kendo-angular-dropdowns": "~4.0.0", "@progress/kendo-angular-excel-export": "~3.0.0", "@progress/kendo-angular-gauges": "~3.0.0", "@progress/kendo-angular-grid": "~4.0.0", "@progress/kendo-angular-inputs": "~6.0.0", "@progress/kendo-angular-intl": "~2.0.0", "@progress/kendo-angular-l10n": "~2.0.0", "@progress/kendo-angular-label": "~2.0.0", "@progress/kendo-angular-layout": "~4.0.0", "@progress/kendo-angular-menu": "^2.0.0", "@progress/kendo-angular-pdf-export": "~2.0.0", "@progress/kendo-angular-popup": "~3.0.0", "@progress/kendo-angular-ripple": "~2.0.0", "@progress/kendo-data-query": "~1.5.1", "@progress/kendo-drawing": "~1.5.12", "@progress/kendo-theme-bootstrap": "~3.4.2", "@progress/kendo-theme-default": "~3.7.0", "@progress/kendo-theme-material": "~2.5.2", "babel-polyfill": "^6.26.0", "bootstrap": "^4.3.1", "core-js": "^3.1.4", "font-awesome": "^4.7.0", "hammerjs": "^2.0.8", "kinvey-angular-sdk": "4.2.3", "kinvey-nativescript-sdk": "4.2.1", "nativescript-accelerometer": "2.0.1", "nativescript-angular": "8.0.1", "nativescript-background-http": "3.4.1", "nativescript-barcodescanner": "3.1.3", "nativescript-camera": "4.5.0", "nativescript-datetimepicker": "1.2.1", "nativescript-drawingpad": "3.1.0", "nativescript-geolocation": "5.1.0", "nativescript-image": "2.1.4", "nativescript-imagepicker": "6.2.0", "nativescript-intl": "3.0.0", "nativescript-iqkeyboardmanager": "1.5.1", "nativescript-mapbox": "4.4.1", "nativescript-pager": "9.5.4", "nativescript-picker": "2.1.2", "nativescript-social-share": "1.5.2", "nativescript-theme-core": "1.0.6", "nativescript-ui-autocomplete": "4.1.0", "nativescript-ui-calendar": "4.0.0", "nativescript-ui-chart": "4.0.2", "nativescript-ui-dataform": "4.0.1", "nativescript-ui-gauge": "4.0.0", "nativescript-ui-listview": "6.4.0", "nativescript-ui-sidedrawer": "6.0.0", "mapbox-gl": "1.1.1", "oidc-client": "^1.7.0", "reflect-metadata": "0.1.13", "rxjs": "6.5.2", "tns-core-modules": "5.4.2", "zone.js": "~0.9.1", "nativescript-checkbox": "3.0.3", "moment": "2.24.0", "@nstudio/nativescript-cardview": "1.0.0", "nativescript-accordion": "6.0.0-beta.2" }, "devDependencies": { "@angular-devkit/build-angular": "^0.800.3", "@angular/cli": "~8.0.3", "@angular/compiler-cli": "~8.0.2", "@angularclass/hmr": "^2.1.3", "@ngtools/webpack": "~8.0.3", "@types/jasmine": "3.3.12", "@types/jasminewd2": "~2.0.6", "@types/node": "~11.12.2", "babel-traverse": "6.26.0", "babel-types": "6.26.0", "babylon": "6.18.0", "codelyzer": "~5.0.0", "jasmine-core": "~3.3.0", "jasmine-spec-reporter": "~4.2.1", "karma": "~4.0.1", "karma-chrome-launcher": "~2.2.0", "karma-coverage-istanbul-reporter": "~2.0.5", "karma-jasmine": "~2.0.1", "karma-jasmine-html-reporter": "^1.4.0", "lazy": "1.0.11", "node-sass": "4.12.0", "nativescript-dev-webpack": "0.24.1", "protractor": "~5.4.2", "ts-node": "~8.0.3", "tslint": "~5.14.0", "typescript": "~3.4.1", "rxjs-spy": "7.5.1" }

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

Click on any accordion item title throws the error below. Accordion panel does not expand.

JS: Angular is running in the development mode. Call enableProdMode() to enable the production mode.
JS: null
System.err: java.lang.ClassCastException: java.lang.Double cannot be cast to java.lang.Integer
System.err:     at com.tns.gen.android.widget.BaseExpandableListAdapter_vendor_112286_28_AccordionListAdapter.getChildrenCount(BaseExpandableListAdapter_vendor_112286_28_AccordionListAdapter.java:24)
System.err:     at android.widget.ExpandableListConnector.refreshExpGroupMetadataList(ExpandableListConnector.java:563)
System.err:     at android.widget.ExpandableListConnector.expandGroup(ExpandableListConnector.java:688)
System.err:     at android.widget.ExpandableListView.handleItemClick(ExpandableListView.java:693)
System.err:     at android.widget.ExpandableListView.performItemClick(ExpandableListView.java:653)
System.err:     at android.widget.AbsListView$PerformClick.run(AbsListView.java:3136)
System.err:     at android.widget.AbsListView.onTouchUp(AbsListView.java:4064)
System.err:     at android.widget.AbsListView.onTouchEvent(AbsListView.java:3822)
System.err:     at android.view.View.dispatchTouchEvent(View.java:12513)

Is there any code involved?

• provide a code example to recreate the problem
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