Most voted "ionic" questions
Ionic is an application development framework for mobile devices that aims to develop hybrid apps and fast and easy development, using HTML, CSS and Javascript.
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answer1262
viewsERROR Error: Uncaught (in Promise): Error: Cannot match any Routes
I’m getting the following error when I try to edit the entered information [routerLink]: ERROR Error: Uncaught (in promise): Error: Cannot match any routes. URL Segment:…
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answers445
viewsIONIC 4: Cannot read Property 'get' of Undefined
I’m trying to get some database information through the function get(), but when I try to run it, gets the error: ERROR TypeError: Cannot read property 'get' of undefined at…
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answers134
viewsProperty 'readAsArrayBuffer' does not exist on type 'File'
I’m trying to implement gallery photos in my app and get this error. HTML: <ion-content > <ion-button (click)="openGalery()" expand="block"> Escolha uma foto </ion-button>…
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answer302
viewsHow to change the "innerHTML" of a tag using javascript and Ionic?
So, I was testing here my code to make an android app for balance, I am using Ionic, but when I test the code it does not work in Ionic, but only in the browser and in normal test (like only…
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answers56
viewsRelationship with Mongodb
I am using populate to create relationship with mongoDB, in case I have clients and projects, both belonging to the logged-in user, and being the project belonging to a client, my doubt is that to…
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answer973
viewsNode-Sass error while trying to install the dependencies of an Ionic 3 project
Hello I have a project done in Ionic 3.2.0, the project in question can be found in the following link https://github.com/Mathe13/rodoviasApp, I downloaded it from git, removed the node_module and…
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answers107
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answer36
viewsIonic 3 problems with get in estorage
I have the following problem. apelidoCidade(){ let cidade = this.storage.get('apelidocidade').then(res => console.log(res)); return cidade; } getbanner(){ let url = 'http://localhost/'+…
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answers62
viewsFilter a javascript array dynamically using for
I need to build a filter on a list, it turns out I’m having a problem because comparatives are dynamic. Basically I need to give the user the condition of filtering by, several payment conditions…
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answer1504
viewsHelp to perform javascript start date and end date filter
I am trying to perform a filter between the initial and final date chosen by the user. I have some objects that look like: let objetos = [ {nome: 'teste01', data: '03/09/2019'} {nome: 'teste02',…
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answer91
viewsngFor duplicating values when changing and returning page
I made an api that generates only one value, already in the application that uses Ionic and Angular. When entering the Main page the unique value appears there, but when I go to a secondary page and…
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answers235
views(Ionic 5) Authentication using Json-Server
Good morning, I would like a Login (Authentication) guidance using Json-Server (FAKE API). Json-Server supports this feature? I was following some lessons in Alura about Ionic and Angular, and they…
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answer516
viewsIonic 4 - Updating a component with modal data?
I’m developing an online ordering app using Ionic 4. This app has a benefits system. When the user opens the shopping cart he can open a modal where your available benefits are listed. When the user…
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answer485
viewsHow to send a token to Header Authorization (Node/Ionic/Angular)
Good afternoon, I would like some guidance on how I could take the token being generated in my back-end (Nodejs + Express + Mongodb API) and save it in Header Authorization when the user logs in to…
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answers45
viewsERROR in src/app/tab1/tab1.page.ts(17,8): error TS2339: Property 'map' does not exist on type
I’m creating an Ionic app for a project and need to integrate a map, in addition to the camera and gallery functionality that should save the image and user geolocation. I’m having a problem running…
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answer91
viewsSave data from an offline input
Good afternoon, I’m trying to save the data (with Localstorage) from an input into a variable, but I’m not getting it right. The page itself is an option to Save user data. Follow the . html…
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answers198
viewsProblems with QR Code Ionic reader
I’m using the plugin Cordova-plugin-qrscanner but when I do all the steps and try to generate the application it generates the error: See http://g.co/androidstudio/manifest-merger for more…
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answers37
viewsHow to know the difference between an array and another?
import { Injectable } from "@angular/core"; import { Show } from "./shows/show"; // import { SHOWS, DISPLAYING_SHOWS } from './shows/shows'; export const SHOWS: Show[] = [ { name: "Arrow", seasons:…
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answer2802
viewsUsing Promise.resolve(). then() correctly Error: Uncaught (in Promise): Typeerror: Cannot read Property
Hi, I have the following code: export class Page { constructor(public modalController: ModalController) { } private async openModal(value) { const modal = await this.modalController.create({…
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answer27
viewsIonic resolution
About 2 days ago, we started building environment to generate a deploy for Android, before we started, we ran the command ionic serve --lab and it was as we wanted... After configuring and going up…
ionicasked 4 years, 10 months ago LeoHenrique 954 -
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answer1215
viewsPass an object array to a Component at angular 8
Good afternoon, I would like a help to pass an array of objects to a Component at angular 8. In case I have a form that I use in two parts in my code in one of them I need this blank form and in the…
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answer98
viewsCustomize colors in ionic6
Friends and friends recently started my studies in Ionic and I started in the most current version (6.4.2) I’m having such a hard time that I’m beginning to question my intelligence. (laughs) I’m…
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answers184
viewsI can’t set correct the environment variables for android to use Ionic
I’m starting in mobile and I’m doing the setup for Ionic. Well my difficulty is being on time to run sudo cordova run android who returns me: Checking Java JDK and Android SDK versions…
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answer215
viewsAngular / Ionic upload file whenever page start
I understand you have a few pages about Angular’s Lifecycle, but I haven’t found how to call a function every time the page finishes loading. I have a key that when starting the APP it is set in…
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answer39
viewslocal notification with Scheduler in Ionic 4 does not work on sdk 28+ when using Trigger
Works this.localNotifications.schedule({ id: 1, summary: "Amanhã 3444" , text: 'teste local notification ', smallIcon: "res://icone_in", title: "aaaa 3", led: 'FF0000', sound: null }); doesn’t work…
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answer264
viewsHow to insert value in Ionic input 3
Good afternoon guys, I have a question and so far I have not found any solution, I need to pass a value from the database to the input on the login screen, but I did not find how to do this. My code…
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answer30
viewsFilter an array within another array (Ionic)
Hello I started studying Ionic a little while ago and I have the following problem. I have the following ARRAY: "ordserv": [ { "codemp": "01", "numos": "0000000001", "codcli": "000001", "datcadast":…
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answer102
viewsBreak line with <img> and <p> inside an <ion-button> - IONIC 5
I have the following HTML: <ion-grid fixed> <ion-row> <ion-col size="12"> <ion-button (click)="go('adopt')" class="button" color="dark"> <img…
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answer107
viewsAPI Returns Json Object with ID - IONIC 5 and Angular
I’m working with an API that returns a JSON with a JSON object inside. Example: {"authorized":true,"status":200,"foundmatch":true,"requested":"baiier", "players": {…
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answer56
viewsProblems when receiving list of Storage values in a variable (Ionic)
I have the data stored in Storage as it is in the first image and in the second image the code that should assign the Storage values to the Prods variable. This code is in a method that I will call…
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answers28
viewsCdvplugin class Firebaseuthenticationplugin does not exist. Error: Cordova Plugin Mapping not found
When trying to authenticate the iOS device sending the phone number to receive an ID that will check the device with the code received via sms, with Firebase as shown below:…
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answers34
viewsFormarray Ionic
I am receiving the information from my database and showing on screen using *ngFor, this information is products, on that screen, the customer puts the quantity in the product. However I am having…
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answers49
viewsHow to use an ion-Infinite-scroll inside an ion-slide on Ionic 5
I am trying to make in my project a slide that loads the items coming from an API of 5 in 5, but when adding the ion-Infinite-scroll component inside the ion-slide it is not called when sliding…
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answers8
viewsFiletransfer plugin Return error500 in Ionic
I’m having problems with the fileTransfer, when I send an image it accepts sending normally, when sending in pf format it Reaches 99 Percent of sending and Returns error 500, a Detail that "taught"…
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answers19
viewsClosed app background service
I have a background problem with Ionic, follow settings: The background plugin is Backgroundmode. "@ionic-native/background-mode": "^5.31.1", "cordova-plugin-background-mode": "^0.7.3", When I’m…
ionicasked 3 years, 11 months ago LeoHenrique 954 -
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answers9
viewsCropper no Ionic Vue
I’m developing an app with Ionic using Vue. The user takes a photo, (I’m using the Capacitor.js Camera plugin). So far everything works. But I need to cut the image to always be square (It will be…
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answers17
viewsVariable insertion problem in the Ionic Framework via HTTP methods
Good night, I am developing an App in Ionic and I want to make available a screen where it is possible for the person to view an already recorded information and can edit it as well. For example:…
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answers19
viewsIntegrating Inappbrowser with Barcodescanner
Hi, I have a problem I can’t solve. I am using the inAppBrowser plugin and I need that when the user clicks on a given button inside the generated browser, the plugin is closed and simultaneously…
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answers37
viewsIframe connection refused
I want to implement an android app from my online site, make a webview, however when trying to pass the link from my site to iframe from Appe try to show the content of the site in the refused…
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answer22
viewsHow to apply a function to the button that will only proceed with checkbox set
I have a term-of-service display screen. My doubt and how can I apply a method in the button "query" which, only when the checkbox is set the user can proceed. <ion-header…
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answers9
viewsWhy do I need to locally import Ionic components into Vue if they work without import?
Today I started a project in Ionic and Vue 3. I have no previous experience, so I followed the documentation and some tutorials. Overall, even the project launcher does this local import, so I…
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answers7
viewsHow to capture the backbutton event on a PWA (Ionic5/Angular11/Capacitor) site by clicking the back button of an Android phone
I used the following code: import { Component, OnInit, OnDestroy, ViewChild } from '@angular/core'; import { Location } from '@angular/common'; import { Platform, AlertController, IonRouterOutlet }…
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answers320
viewsPush Notification IONIC
I’m doing a Mobile project in Angular/Cordova/IONIC, but I’m in the phase of push notification, since he’s a project apart. I tested several tutorials on the web, even the own IONIC , but it doesn’t…
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answer2990
viewsIDE for Ionic framework development?
I am looking for an IDE to develop in Ionic framework. I tried using Netbeans but am unable to install the Ionicextension plugin here: http://plugins.netbeans.org/plugin/59028/ionicextension Reading…
ionicasked 9 years, 3 months ago FernandoPaiva 1,562 -
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answers837
viewsSimple Google Maps with Ionic 2
Talk personal, all right? Next, I’m developing an application in Ionic 2 that will need google maps. However the use is not via geolocation, it is only the presentation of the map with a predefined…
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answer41
viewsDoubt about $ionicLoading.Hide() closure
My problem is this. I am receiving a json from a webservice and doing Insert or update in a sqlite database on the device I use $ionicLoading.show() by clicking on the button and it closes when the…
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answers557
viewsFirst steps: Ionic
What I Need to Learn to Build Apps with Ionic? What language it uses? I wanted articles that show me the first steps.
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answer111
viewsError generating apk in Ionic framework v 1
Hello, I’m with a huge error when trying to generate android apk with Ionic framework, I’m not able to fix the problem, I put the cmd log in this link. Thanks in advance http://pastebin.com/ApjH03Fa…
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answer1914
viewsError Installing Ionic + Cordova
error messages when trying to install Ionic (npm install -g Cordova Ionic) Could someone help me? I am using Node 6.9. Thank you…
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answer310
viewsMessages do not appear on the screen using Angular
I’m finishing a messaging app, however, I’m not able to make the messages appear on the screen. HTML: <div class="card" ng-repeat="mensagem in mensagens"> <div class="item…