Enable fullscreen view on nativescript-vue

import * as app from 'tns-core-modules/application' import { device } from 'tns-core-modules/platform' export function hideSystemUi () { if (!app.android || parseInt(device.sdkVersion) < 21) { return } const androidViewPkg = android.view // eslint-disable-line no-undef const window = app.android.startActivity.getWindow() window.addFlags(androidViewPkg.WindowManager.LayoutParams.FLAG_FULLSCREEN) window.clearFlags(androidViewPkg.WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN) } export function showSystemUi () { if (!app.android || parseInt(device.sdkVersion) < 21) { return } const androidViewPkg = android.view // eslint-disable-line no-undef const window = app.android.startActivity.getWindow() window.addFlags(androidViewPkg.WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN) window.clearFlags(androidViewPkg.WindowManager.LayoutParams.FLAG_FULLSCREEN) }