angularjs - Nativescript angular preventing modal closing on background tap -


i pretty new nativescript want able prevent custom modal have created being closed when user taps on background, android devices.

i can accomplish pretty when using provided dialogs nativescript i.e. action dialog can setting cancelable false in options provided.

let options: actionoptions = {     title: "sticky dialog",     message: "will not disappear if background tapped",     cancelable: false,     actions: ["cancel", "ok"] };  dialogs.action(options).then(result => {    console.log(result); });

but when showing custom modal using modaldialogservice there no such property can set in options, have 

let modaloptions: modaldialogoptions = {     context: {},     fullscreen: false,     viewcontainerref: this.vcref, };  this.modalservice.showmodal(deviceregistrationcomponent, modaloptions)      .then(result => {          if (result != null) {             this.handledeviceotpentry(result.otp);          }      });

is there way accomplish this? not mind having set specific native android properties, cannot seem able handle actual modal gets displayed.

ok, after trial , error managed come solution (if there better way please let me know)

it seems looking @ source if create modal dialog using modaldialogservice there no convenient way set cancelable android, instead, in modal component listen shownmodally event , once fired, can attempt find displayed fragment, created nativescript tag dialog.

once have can set native property.

import {component} "@angular/core"; import {page} "tns-core-modules/ui/page"; import {modaldialogparams} "nativescript-angular"; import * application "tns-core-modules/application"; import {isandroid} "tns-core-modules/platform";  @component({     moduleid: module.id,     selector: "app-device-registration",     templateurl: "./device.registration.component.html",     styleurls: ["./device.registration.component.css"] }) export class deviceregistrationcomponent {  constructor(private params: modaldialogparams, private page: page) {     this.page.on("shownmodally", data => {         if (isandroid) {             let fragmentmanger = application.android.foregroundactivity.getfragmentmanager();             let dialogfragment = fragmentmanger.findfragmentbytag("dialog");             if (dialogfragment !== null) {                 dialogfragment.setcancelable(false);             }         }      }); }

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