Questions tagged [ionic2]

Introducing Ionic 2 - an innovative advancement in the world of mobile app development. This open source SDK empowers developers to create exceptional and high-performing apps using their expertise in web technologies like HTML, CSS, and JavaScript. With Ionic 2, you have the option to seamlessly integrate with Angular (2), enhancing your app's capabilities even further. While it can also be utilized as a top-notch CSS framework, relying solely on this aspect means sacrificing the impressive gestures, UI animations, and other invaluable features that make Ionic 2 truly extraordinary.

What are the steps to enable readonly or disabled functionality in Ionic 2?

Trying to make a field readonly or disabled in an ionic2 form: <ion-item> <ion-label fixed>Category <ion-icon name="ios-arrow-forward"></ion-icon></ion-label> <ion-input type="text" [disabled]="false" id="category_ ...

angularionic2

How to integrate custom plugins like Appsee or UXCAM into your Ionic 2 application

Struggling to integrate either Appsee or UXcam into my project. I attempted to import the plugin like this, but it didn't work: // import { Appsee } from '@ionic-native/appsee'; I read somewhere that you need to declare the variable for Ty ...

angularionic2cordova-pluginsionic3uxcam

Steps to ensure that an API call is finished before proceeding with another task in Angular 2

Currently, I am utilizing angular 2 alongside ionic 2. The issue that I am facing is when I call an API, it does not return data immediately but starts another task instead. I need to ensure that the call completes entirely before proceeding to the next st ...

angularionic2

CSS styling is not being applied to buttons within Ionic 2

I'm completely new to Ionic and hybrid apps as a whole. I've been experimenting with a test app, but for some reason, none of the CSS seems to be working. Could someone please help me figure out what mistake I might have made? Here are my files: test.scss: ...

htmlcssangularsassionic2

How can I extract JSON data within the Ionic2 framework?

After making an AJAX post call to an API, I successfully received a JSON response. Here is the response: JSON Response: { "s": true, "m": { "i": 10, "n": "Apple Watch", "p": "14000" }} While testing my TypeScript code, I used an alert to display the J ...

angularionic2hybrid-mobile-app

Adjusting the transparency of TabBadge in Ionic 2

I am currently working on a project that involves tabs, and I'm looking to update the style of the badge when the value is 0. Unfortunately, I am unsure how to dynamically change the style of my tabs or adjust the opacity of the badge in the style. My des ...

cssangulartypescriptsassionic2

The 'catch' property is not found within the type 'PromiseLike<void>'

Help! I'm encountering a Typescript Error. An issue is arising with the 'catch' property on type 'PromiseLike<void>'. I am using Ionic and facing an error in the line containing catch: sendrequest(req: connreq) { var p ...

typescriptionic2

Sending postMessage during the beforeunload event does not work as expected

When postMessage() is triggered within the beforeunload window event in an Ionic 2 browser, I've noticed that the message doesn't make it to the parent. However, if the same message is sent during the unload or load event, it is received successfully. Here ...

javascripteventsiframeionic2message

You cannot access the property 'subscribe' on a void type in Angular 2

fetchNews(newsCategory : any){ this.storage.get("USER_INFO").then(result =>{ this.storage.get("sessionkey").then(tempSessionKey =>{ this.email = JSON.parse(result).email; this.newSessionKey = tempSessionKey; this.authKey =JSON.stringify("Basic ...

javascriptangulartypescriptionic2angular2-services

Eliminate the loading screen in Ionic 2

Within my app, there is a button that triggers the opening of WhatsApp and sends a sound. Attached to this button is a method that creates an Ionic loading component when clicked. The issue I am facing lies with the "loading.dismiss()" function. I want the ...

androidangulartypescriptionic2

Issue encountered while logging into mobile application built with Ionic 3, Angular 4, and Firebase: Error message received - Unable to sign in using provided email. Email must be a valid string

I am currently working on developing a chat application using Firebase. The user registration process in Firebase is functioning properly. However, I encounter an error message when attempting to log in with a registered username (email address): Error: R ...

node.jsionic-frameworkionic2ionic3

Ionic 3: Struggling to Access Promise Value Outside Function

I've encountered an issue where I am unable to retrieve the value of a promise outside of my function. It keeps returning undefined. Here's what I have attempted so far: Home.ts class Home{ dd:any; constructor(public dbHelpr:DbHelperProvider){ } get ...

angulartypescriptionic-frameworkionic2ionic3

Unexpected behavior of ion-select: No rendering of selected value when applied to filtered data

I came across an unexpected issue with the dynamic data filtering feature of ion-select. In my application, users are required to choose three unique security questions during registration. I have an array of available questions: questions: Array<{isSe ...

javascriptangularionic2

Flashing Screens with Ionic 2

I am currently dealing with a situation where my login page and homepage are involved. I have implemented native storage to set an item that helps in checking if the user is already logged in (either through Facebook or Google authentication). The logic fo ...

angulartypescriptionic2ionic3

Using NavController.setRoot within a resolved Promise in an Ionic 2 application

I am currently facing an issue with navigating to another page after a successful login while using the JS Library with Parse Server. When I try to use this.navCtrl.setRoot(TemplatesPage);, it doesn't seem to have any effect in my application. After ...

angularionic2

Reorganizing Firebase data in Ionic 2

I am currently working on an exciting project to develop an Ionic notes application, where users can easily rearrange items in the list using the reorderArray() function. However, I encountered an issue with Firebase resulting in an error message related t ...

angulartypescriptfirebaseionic-frameworkionic2

How to smoothly transition a div from one location to another using animations in an Ionic3-Angular4 application

I'm attempting to incorporate some animation into my Ionic 3 mobile app. Specifically, I want to shift a div from one location to another. In the code snippet provided below, I am looking to move the div with the "upper" class after the timeline-item ...

javascriptangularcssionic2angular-animations

What is the process for including an object in an http.post request?

My contact object needs to be included in the http.post method. I'm struggling with where exactly to pass this contact parameter. Can you provide guidance on how to modify my code accordingly and also share any relevant links related to the http.post API? ...

angularionic2

Developing a calendar UI with similar features and functionality to Google Calendar using Ionic 2

My journey with Ionic 2 began only one week ago and has been relatively smooth sailing thus far. However, I have hit a roadblock - I need to create a calendar interface for users to book time slots. Can anyone offer assistance on how to tackle this task? ...

angularcalendarionic2

Firebase: No user record exists for this identifier. It is possible that the user has been removed from the system

Utilizing Ionic2/Angular2 along with AngularFire2 and Firebase for user authentication during login. Upon successful registration of a user using email & password, I am able to log in with that same email & password without any issues. public fireAuth: ...

angularfirebaseionic2firebase-authenticationangularfire2

Using ngFormModel with Ionic 2

How can I properly bind ngFormModal in my Ionic 2 project? I am facing an issue while trying to import it on my page, resulting in the following error message: Uncaught (in promise): Template parse errors: Can't bind to 'ngFormModel' since ...

angulartypescriptionic2

Picture fails to load on Ionic app on the device

Currently, I am utilizing Ionic 3 for my project. The location of the images file is \src\assets\img. This pertains to a basic page implementation. export class BasicPage { items = []; constructor(public nav: NavController ,private adm ...

javascripthtmlangularionic2ionic3

Sign up for the completion event within the datetime picker feature in Ionic 2

How can I subscribe to the "done" event in Ionic2, where I want to trigger a function after selecting a date? <ion-icon class="moreicon" name="funnel"> <ion-datetime type="button" [(ngModel)]="myDate" (click)="getData()"></ion-datetime> ...

angulartypescriptionic-frameworkionic2

Refresh the information in the <ion-datetime> component by utilizing the formGroup

I am currently working with a form that has been created using 'FormBuilder'. The form includes a date control and I am trying to figure out how to update the data in that control using the patchValue() method. In the template, the control has d ...

angulartypescriptionic-frameworkionic2

Pictures are not visible on mobile devices

Currently, I am utilizing Ionic 2 for my project. While the images are displaying correctly on the browser, they are not showing up on the device. This issue has been perplexing me. I attempted to resolve this problem by using the following code: <i ...

angularionic-frameworkionic2

Guide to verifying a value within a JSON object in Ionic 2

Is there a way to check the value of "no_cover" in thumbnail[0] and replace it with asset/sss.jpg in order to display on the listpage? I have attempted to include <img src="{{item.LINKS.thumbnail[0]}}"> in Listpage.html, but it only shows the thumbna ...

javascripthtmltypescriptionic-frameworkionic2

Organizing Ionic Cards in Alphabetical Order

I'm working on a personal project where I want to implement an alphabetical filter. Each time I create an Ionic card, I intend for it to be filtered by the first name, such as Andre, Amber, Beckc, etc... Here's what I have so far: . However, currently th ...

angularionic2

Ionic 2 encountered an error: A non-empty string argument was anticipated

My goal is to show markers on a map using the stored postcode in JSON format. I have successfully accessed the lat and long values from the JSON data to display markers on the map. However, when I attempt to use the postcode, it fails and returns an erro ...

angulargoogle-mapsionic2

Loading a view in Ionic2 with Angular2 after a successful subscription

After completing an http post request, I want to navigate to the next view in my app. Here is a breakdown of the three services I am using: The server service handles generic http calls such as get and post requests. The city service stores a list of ...

typescriptangularionic2

How to retain the side menu icon in Ionic 2 even after navigating using navCtrl push

Whenever I navigate to a new page using navCtrl.push, the sidemenu icon (hamburger) disappears and is replaced by a back button instead of coexisting with it. What I am aiming for is to retain the sidemenu icon by positioning it on the right side of the i ...

angularionic2

Encountering a value accessor error when attempting to test a simple form in Angular 4 and Ionic 3

My ionic form is quite simple: <ion-header> <ion-navbar> <ion-title>Foo</ion-title> </ion-navbar> </ion-header> <ion-content padding> <form [formGroup]="fooForm"> <ion-item> ...

javascriptangularionic2

Collaborate on code for a cross-platform mobile application and a traditional desktop web application

I have a vision to create a cutting-edge app that can be utilized as both a hybrid mobile application and a desktop web application. For the most part, the logic and user interface will remain consistent across both versions. However, there are a few key ...

angularweb-applicationsionic2hybrid-mobile-app

What is the process for sending a post request in Ionic 2 to a Node server running on localhost?

When working with Ionic, I utilized a service provider to access HTTP resources. The Service.ts file looks something like this. Here, data is represented as a JSON object. import { Injectable } from '@angular/core'; import { Http, Headers } fro ...

node.jsangulartypescriptionic2

The Typescript Select is displaying an incorrect value

Here's the code snippet I've been working with: <select #C (change)="changeSelect(zone.id, C.value)"> <option *ngFor="let town of townsLocal" [attr.value]="town.data" [attr.selected]="town.data === zone.town && 'selected'"> {{tow ...

javascripthtmltypescriptionic2

Having trouble installing Ionic?

Can someone please help me with my installation issue regarding Ionic? I've tried installing it with admin rights, but still facing problems. My installation steps are as follows: npm uninstall ionic -g npm uninstall cordova -g npm cache clean npm ...

node.jsionic-frameworknpmionic2npm-install

How can I utilize a filter or pipe to populate product categories onto screens within Ionic 2?

I am considering creating an Ionic 2 app with 6 pages, but I'm unsure whether to utilize a Pipe or a Filter for the individual category pages and how to implement the necessary code. Each category page should be able to display products from the "applecat ...

javascriptangulartypescriptionic2ionic3

How to reference an object from an external file in TypeScript using Ionic 2 and Angular 2

I am currently developing a mobile application with Ionic2 and have integrated a simple online payment service called Paystack for processing payments. The way it operates is by adding a js file to your webpage and then invoking a function. <script> ...

javascriptangulartypescriptionic2

Verbose output during the installation of Ionic@beta indicates success, however the Ionic@beta package has not been fully installed at this

Here are the details of my Version: npm : 3.9.0 cordova : 5.3.3 nodejs : v5.11.0 When I try to install Ionic@beta by using the command: npm i -g --verbose ionic@beta The response received in the cmd is as follows: C:Users hinkdigitalGST>npm ...

node.jscordovanpmionic2

Error message in Ionic 2: "Property is not found on type"

Currently, I am working on a project in Ionic 2 and have encountered a stumbling block with a seemingly simple task. My issue lies with a Textbox where I aim to input text that will then be displayed. I found some code on a website (http://www.tizag.com/j ...

javascripttypescriptionic-frameworkionic2

Master the Art of Scrolling Lists in Ionic 2

I am currently using Ionic2 for my project. One of the challenges I'm facing is scrolling to the top of a list when a specific event, called messageSend, occurs. Let me show you the code for this: <ion-content padding class="messages-page-content"> ...

angulartypescriptionic2ionic3

Error message: The module "module" is not found within the Ionic App

After upgrading my Ionic app to the latest version, it compiles correctly. However, upon execution, I encounter the following error: Uncaught Error: Cannot find module "module" at webpackMissingModule (index.js:3) at Object.<anonymous> (inde ...

node.jsionic-frameworknpmwebpackionic2

Storing the data retrieved from an HTTP GET request in Ionic 2

I've been working on developing an app and have successfully set up an event provider. Utilizing the Eventbrite API, I am able to retrieve a list of events taking place in a specific city. However, I'm facing challenges when attempting to execute the get r ...

angularjsionic-frameworkgetionic2eventbrite

How to retrieve a random element from an array within a for loop using Angular 2

I'm in the process of developing a soundboard that will play a random sound each time a button is clicked. To achieve this, I have created an array within a for loop to extract the links to mp3 files (filename), and when a user clicks the button, the filen ...

javascriptarraysangulartypescriptionic2

Identifying Scroll Events with Ionic 2+ and Angular 2+: A Beginner's Guide

Is there a way to detect scrolling of the window? I attempted to use HostListener: @HostListener("window:scroll", []) onScroll() { console.log('scroll'); } I also experimented with using Renderer2: this.renderer.listen( 'window&apo ...

angularionic-frameworkionic2angular7

Developing J2EE servlets with Angular for HTTP POST requests

I've exhausted my search on Google and tried numerous PHP workarounds to no avail. My issue lies in attempting to send POST parameters to a j2ee servlet, as the parameters are not being received at the servlet. Strangely though, I can successfully rec ...

javaangulartypescriptservletsionic2

I'm stuck trying to figure out all the parameters for the MapsPage component in Angular 2

Currently, I am utilizing Angular2 with Ionic2 for my mobile app development. Everything was working flawlessly until I decided to incorporate a new module for Google Maps navigation. Specifically, I am using phonegap-launch-navigator for this purpose. The ...

javascriptcordovaangulartypescriptionic2

Steps for Adding a JS file to Ionic 3

I'm trying to figure out how to access a variable from an external JS file that I included in the assets/data folder. Here's what I've attempted: I placed test.js in the assets/data folder. In test.js, I added a variable testvar = "hello from external J ...

angulartypescriptionic2ionic3

Use PipeTransform to apply multiple filters simultaneously

Is it possible to apply multiple filters with PipeTransform? I attempted the following: posts; postss; transform(items: any[]): any[] { if (items && items.length) this.posts = items.filter(it => it.library = it.library ...

javascriptangulartypescriptionic-frameworkionic2

What is the best way to incorporate node_module during the iOS build process in Ionic 2?

Looking to implement an autosize module for automatic resizing of an ion-textarea. Module: Following the installation instructions, I tested it in the browser (ionic serve) and on my iPhone (ionic build ios => run with xcode). Browser: The module works ...

iosiphonetypescriptionic2node-modules

Mastering Angular2: Leveraging TypeScript's Power to Unleash JavaScript ES6 Syntax with

I am having trouble implementing a translation feature using the ng2-translate pipe in my Angular2/Ionic2 app, which is entirely written in JavaScript ES6. However, I have encountered an issue during the setup phase. The code snippets I have found on the ...

javascriptangularecmascript-6ionic2ng2-translate

The Elusive Glitch: IOS Encounter with Ionic 2

VIEW PROBLEM

I am currently developing an Ionic 2 application using Angular 2. Interestingly, I have encountered a peculiar issue that only occurs on one specific page of the app, but specifically on IOS devices. Strangely enough, only the visible por ...

iosangularionic2

(IONIC 2) Issue: error when trying to integrate socket.io with express, receiving a 404 (Not Found) error when attempting to connect to http://localhost:3000/socket.io/?EIO=3&transport=polling&t=LvraMV

I encountered an issue while attempting to connect my node server with Ionic2, Here is some background information: 1. I am developing the node server on my personal laptop. 2. When running 'ionic serve', everything functions normally without any issues. ...

node.jssocketssocket.ioionic2webrtc

A pronounced distinction exists between ionInput and ionChange functionality

Q. Can you explain the difference between (ionInput) and (ionChange) events in Ionic framework? When would it be more appropriate to use one over the other? I have experimented with both event handlers below and found that they produce the same expected r ...

angulartypescriptionic-frameworkionic2ionic3

Exploring Local Gems with Google Places API in Ionic 2

I recently integrated the Google Maps API into my app and now I am looking to incorporate Google Places as well. I have managed to successfully implement Geolocation, but I am facing difficulties when trying to perform a nearby search for "supermarkets" in ...

angularjstypescriptionic-frameworkionic2google-places-api

Styling on a device can vary from how it appears on a

Using Ionic2, I have an application with messages. In a browser, the message appears like this: https://i.stack.imgur.com/SyCtM.png However, when running on either an Android or iOS device, it looks different: https://i.stack.imgur.com/i0RdO.png The di ...

htmlcsssassionic2

Validate if the program is currently running as "ionic serve" before implementing a conditional statement

Is there a method to determine if the ionic serve CLI is currently active (indicating it's not running on a physical device) within the code and use it as a condition? My problem: I have a Cordova plugin that returns a response to Cordova. When using Rip ...

angulartypescriptionic-frameworkionic2ionic3

Why did the homepage load faster than the app.component.ts file?

I am facing an issue where the homepage is loading before app.component.ts, causing problems with certain providers not working properly due to import processes not being fully completed. Despite trying to lazy load the homepage, the console.log still sho ...

typescriptionic-frameworkionic2ionic3

"Ionic2 makes an HTTP POST request and then follows up with an

I've been attempting to post data using the Angular HTTP POST method as shown below. However, it seems to be executing the GET method instead. Any advice or guidance on this issue would be greatly appreciated. https://i.stack.imgur.com/IkSq3.png log ...

angularionic2

Is it possible to assign a variable to an Ionic datetime input property?

I am trying to pass a variable, someVar, into the max attribute (input property) of an Ionic 2 (and Angular 2) DateTime component. It seems like it only accepts a hardcoded string such as max="2017-08-31". HTML <ion-datetime displayFormat="DD/MM/YYYY" ...

angularionic2

Prevent side menu from automatically hiding when clicking on the heading

My menu is set up with headings and subheadings. When I click on the headings, it expands to display the corresponding subheadings, but it automatically collapses when clicking on the headings. I want it to stay expanded when clicking on the headings. He ...

javascriptangularionic-frameworkionic2ionic4

Versions of Angular that are compatible with Ionic 2 (do not have an exported member)

How do I determine the compatible Angular version for each Ionic version? I keep encountering errors like "has no exported member." For example: The module ".../node_modules/@angular/core/index" does not have an exported member called InjectionToken. The ...

angularfirebaseionic-frameworknpmionic2

The power of Ionic 2 combined with the Web Audio API

I am currently developing an Ionic 2 application that requires access to the user's microphone. When working on a web platform, I would typically use the following code snippet to obtain microphone access. navigator.getUserMedia = (navigator['ge ...

javascriptandroidangulartypescriptionic2

Error: Unable to bind 'datasets' as it is not recognized as a valid property of 'base-chart' in ng2-charts

Current Versions: Cordova: 6.3.1, Gulp CLI: 1.2.2, Ionic framework: 2.0.0-rc.0, Ionic CLI Version: 2.1.0 In my Ionic2 application, I have integrated the ng2-charts library. When importing, be sure to use import {ChartsModule} from "ng2-charts/components/ ...

angularionic2ng2-charts

"Utilizing Ionic version 2 to initiate a function from the calling page within a provider

I am facing an issue where I need to call a function (f1) from a provider and then from that function (f1), call another function on the page. Here is the code for page1.ts: import { Component } from '@angular/core'; import { NavController } ...

angularjsionic2

Is it possible for an Angular2 HTTP request to retrieve the response body as binary data?

I'm facing an issue with a URL that returns HTML content with charset=iso-8859-7. Angular's HTTP request converts the data to utf8 by default, making it difficult for me to encode them back in iso-8859-7 properly. Upon researching, I discovered that many o ...

angularhttpencodingcharacter-encodingionic2

Page access will be protected by authentication

Looking for advice from those experienced with Angular2/ Ionic on how to restrict access to pages only when authenticated. Although there are a few pages that don't require authentication, the majority need it. Is there a way to automatically push the logi ...

angularauthenticationionic2ionic3

Is it possible to customize the color of the placeholder and clear-icon in the ion-search bar without affecting

I am working with two ion-search bars and I need to customize the placeholder and clear icon color for just one of them. <ion-searchbar class="search-bar" placeholder="search"></ion-searchbar> My goal is to target a specific i ...

cssangulartypescriptionic2

"Upon invoking the services provider in Ionic 2, an unexpected undefined value was

I encountered an issue while setting a value in the constructor of my page's constructor class. I made a call to the provider to fetch data. Within the service call, I was able to retrieve the data successfully. However, when I tried to access my vari ...

angulartypescriptionic2ionic3

Transferring object information to Backand using Ionic 2

I have developed a signup page using Ionic 2. In this signup page, I have included a dropdown menu for users to select their blood type. However, I am facing an issue where the selected blood type is not being sent to the Backand database as expected. I&ap ...

angulartypescriptionic-frameworkdrop-down-menuionic2

Attempting to imitate a form using Angular 2's HTTP post functionality

I am working on an ionic2 application that requires authentication to be done on an existing PHP website and then execute certain requests within it. I do not have access to the source code of the website. Since I am using ionic2, CORS should not be an iss ...

angularionic2angular2-http

Creating key elements in JavaScript with the push() function

I'm working on a basic shopping cart system using JavaScript (Ionic 2 / Angular). In my PHP code, I have the following: <?php $cart = array( 48131 => array( 'size' => 'STANDARD', 'qty' => 1, ) ); print_r($cart); The ...

javascriptjqueryangularionic-frameworkionic2

Ionic app encountering issues with Facebook OAuth login functionality

Currently, I am implementing Facebook Auth for my Ionic app by using the Firebase module. Despite setting up the firebase module correctly initially, I keep encountering an error during the login process. It should be noted that the login function worked p ...

angularcordovafirebaseionic2firebase-authentication

Tips for Implementing a Button Click Sound in Ionic 2

I've noticed that many native apps have a distinct click sound when buttons are pressed. Is there a way for me to add this same feature to all buttons in Ionic 2? ...

cordovaangulartypescriptnpmionic2

JS implementing a listener to modify a Google Map from a separate class

Currently, I am in the process of migrating my Google Map functionality from ionic-native to JavaScript. I am facing an issue while attempting to modify the click listener of my map from a separate class. The problem seems to be related to property errors. ...

javascriptangulartypescriptionic2

Tips for toggling the display of multiple ion-input fields based on the selected value from an ion-select dropdown

I am working with an ion-select element that contains options from 1 to 10. <ion-label> Select how many input fields</ion-label> <ion-select> <ion-option value="0"> Zero</ion-option> <ion-option value="1"> One</ion- ...

javascriptionic-frameworkionic2