test.vue

<template>
    <q-layout ref="layout">
        <div class="layout-view">
            <q-fixed-position corner="top-right" :offset="[18, 18]">
                <q-btn round small color="purple" icon="fa-question" class="animate-pop" @click="testMethod()"/>
            </q-fixed-position>
        </div>

    </q-layout>
</template>

<script>
    import {
        QPullToRefresh,
        QLayout,
        QBtn,
        QFixedPosition,
        QModal
    } from 'quasar'

    export default {
        methods: {
            testMethod () {
                console.log(cordova)
            }
        },
        components: {
            QLayout,
            QPullToRefresh,
            QBtn,
            QFixedPosition,
            QModal
        }
    }
</script>