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.

The Cordova InAppBrowser plugin has not been properly set up

After running cordova plugin list, I noticed that the InAppBrowser plugin is listed. However, when I try to run my code on an android device, I receive this message in the console via Chrome Remote Debugger: Native: InAppBrowser is not installed or you ar ...

angulartypescriptionic2

Importing dynamically into Ionic 2 from locations other than the "node_modules" directory

I've recently reviewed the documentation for ModuleResolution in TypeScript on this page: https://www.typescriptlang.org/docs/handbook/module-resolution.html#node My understanding is that all files I wish to import must reside within the node_modules dire ...

typescriptnpmionic2dependencies

Exploring the possibilities of Ionic 2 with Web Audio API

I am encountering issues while using the Web Audio API with Ionic 2. Despite my efforts, I keep running into errors. It seems that the problem lies within the TypeScript compiler. I attempted to resolve it by adding "es2015.promise", but to no avail. The e ...

typescriptpromiseionic2web-audio-api

Issue: Unable to locate the name 'ContactField' in Ionic 2

While attempting to use Ionic2 to save a contact, an error occurs when running the app through the command line. The cordova-plugin-contacts has been properly installed. Below is the code snippet: import { Component } from '@angular/core'; impo ...

cordovaangulartypescriptcordova-pluginsionic2

Implementing a filter function in Angular 2 and Ionic 2 that is dependent on *ngFor on a separate page

I recently created a simple ion-list along with a filter to display items based on a specific key:value pair. I'm not entirely sure if I've implemented it correctly, so any suggestions on a better approach would be greatly appreciated. LIST.HTML ...

angularjsangulardependenciesangularjs-filterionic2

Finding the current HTML page URL in Ionic 2: A step-by-step guide

Can the URL of the current HTML page be obtained and then converted to PDF using the cordova-pdf-generator package? ...

htmlpdfnpmionic2

Creating a function in Ionic 2: A step-by-step guide

I'm having trouble defining a simple function in Ionic 2. Here is the code I am struggling with: import { Component } from '@angular/core'; import { NavController, NavParams } from 'ionic-angular'; @Component({ selector: 'page-account', templat ...

angularwebionic-frameworkionic2

Changing the title dynamically for the Global NavBar in Ionic 2

I have been working with the Nav component in Ionic 2 and I'm facing a challenge. I want to maintain a global header with left and right menus while changing the title dynamically as I navigate through different root pages. Here is the code snippet th ...

angularionic2

Dismiss the Popover in Ionic 2

After opening a popover that redirects me to another page and then returning to the root page (popToRoot), I reload the data/dom upon an event and dismiss the popup once the json data is received from the server. Everything works smoothly with a lengthy ti ...

javascriptangulartypescriptionic2ionic3

Transferring a variable from an Angular 2 constructor into the template via the then statement

I'm struggling with implementing a secure login system. My goal is to first check the device's native storage for an item named 'user', then verify if the user exists in our database, and finally retrieve the unique id associated with that user from the da ...

javascriptangulartypescriptionic2

Getting the PlayerId after a user subscribes in OneSignal with Ionic2

Currently working on an app with Ionic2 and facing a challenge with retrieving the player id after a user subscribes in order to store it in my database. Any suggestions on how I can retrieve the unique player id of OneSignal users post-subscription? ...

typescriptpush-notificationionic2onesignal

What is the best way to access the wrapped input data from an ion-input component in Ionic2?

Is there a way to connect an google.maps.places.Autocomplete to an ion-input in Ionic2? The issue is that in Ionic2, the ion-input wraps the <input> element, making it difficult to access. I attempted to solve this by creating a directive and utiliz ...

ionic-frameworkangularionic2

Ways to retrieve every item in an array

I'm experiencing difficulty accessing the array of each object. Please review the response structure below. { "status": "1", "status_text": "Success", "current_page": 1, "next_page": "0", "previous_page": "0", "to ...

arraysjsonangularionic2

Steps for Loading HTML5 Video Element in Ionic 2

Struggling to showcase a list of videos from my server, here's the issue I'm encountering and the layout of the app. https://i.stack.imgur.com/HWVt3.png This is the code snippet in HTML: <ion-list> <button ion-item *ngFor="let v ...

htmlangularcssionic2ionic3

Building objects utilizing Angular 2 and Ionic 2 form

Let's take a look at the ts file import { Component } from '@angular/core'; import { NavController, Platform } from 'ionic-angular'; import { SalePage } from "../sale/sale"; import {Md5} from 'ts-md5/dist/md5'; import { ...

jsonobjectionic2angular2-forms

Arrange an array of integers and letters alphabetically in an Angular/Typescript environment

My Sorting Strategy I am attempting to organize an array in the following manner... 1 2 2(a) 2(b) 2(b) #AsimpleName 2(b) #NameWithN 3 4 4(a) ... ... using Angular 2. Snippet of My Code Component this.streetDetailRef = this.afDatabase.list('data/users/' ...

angulartypescriptfirebaseionic2angularfire2

The specified property is not recognized by the type in TypeScript

I have set up a basic form with validation in Ionic 2. The form functioned properly when I used 'ionic serve' but encountered issues when running 'ionic run'. My suspicion is that the problem lies within my TypeScript code, specifically ...

angularjstypescriptcontrolsionic2

Encountered an issue with ionViewDidLoad: The property 'firstChild' cannot be read as it is null

While working on an Ionic 2 App with Angular2 and Typescript, I encountered an issue when trying to pass a JSON to map for markers. Here is the link to the gist containing the code snippet I am facing an error that reads: view-controller.js:231 MapPage i ...

angulartypescriptionic2

Apply a dynamic function to assign a background color to a specific class

Currently, I have a function called getBackground(items) that returns a background color from a JSON file list. Within my application, there is a component that automatically adds a class name (.item-radio-checked) when a user clicks on an item in the list ...

javascriptangulartypescriptionic2

Customize back button functionality in Ionic 2

Is it possible to modify the behavior of the back button shown in this image? I would like to specify a custom destination or perform an action before navigating back, instead of simply returning to the previous page. https://i.stack.imgur.com/EI2Xi.png ...

angulartypescriptionic2ionic3

Delete the padding of a component with the power of angular

I'm looking to eliminate the margin applied to a particular element that is being created by Ionic. The specific element in question is located within the page-table-view, which is a subpage of page-board. https://i.stack.imgur.com/KPLDQ.png This is ...

angularionic2

Error: ionic serve is unable to locate the 'reflect-metadata' module

I am new to Ionic2 and following the steps: $ npm install -g ionic cordova $ ionic start cutePuppyPics --v2 $ cd cutePuppyPics $ ionic serve However, I encountered an error: "Cannot find module 'reflect-metadata' $ ionic info Cordova CLI: 6.5 ...

cordovaangularnpmionic2

Angular 2 encountering an error with the HTTP GET request

I am currently facing some challenges with subscribing to the response while using the http method get request. Below is my service implementation: import { Injectable } from '@angular/core'; import { Http, Response } from '@angular/http&ap ...

javascriptangulartypescriptionic2

Move information from one page to another

I'm currently using Ionic 2 and attempting to pass data from one page to another. Specifically, I want to transfer the data of a selected list item from the first page (quickSearch) to the second page (quickSearchDetail). To illustrate this, refer to the i ...

javascriptangulartypescriptionic2

The parameters provided for ionic2 do not align with any acceptable signature for the call target

Currently, I have 3 pages named adopt, adopt-design, and adopt-invite. To navigate between these pages, I am using navCtrl.push() to move forward and to go back to the previous page. Everything works smoothly on the browser, but when I try to build it for ...

iostypescriptionic2

The scrollTo() function does not function properly on iOS devices

When I try to scroll to my category list, the command works on Android but not on iOS. Here is a code example: @ViewChild(Content) content: Content; scrollTo() { this.content.scrollTo(0, 100, 200); } - <button ion-button (click)="scrollTo()"> ...

angularionic-frameworkionic2

checkbox causing the button to appear empty

Due to the inability of a ngIf and ngFor to coexist, I added an ng-container to facilitate the loop. However, after making this change, nothing seems to be working as expected without any clear reason. Below is the code snippet that is causing trouble: Vi ...

htmlangularcheckboxionic2

Troubleshooting TestBed: Resolving the StatusBar Provider Error

After reading an informative article on testing Ionic2 projects with TestBed, I encountered difficulties when trying to replicate the example in my own environment. When attempting to initiate tests at Step 3, I encountered the error message stating "No pr ...

angulartypescriptionic2testbed

Unexpected problem following Ionic 2 update in Npm

Encountering an error while attempting to initiate a new app project in Ionic 2 using the following command: ionic start name blank --v2 The error message is as follows: One awesome Ionic app coming right up... Downloading: https://github.com/driftyco/ ...

node.jscordovanpmionic2

In order to either pass a component variable as a parameter or set it as a global variable

Currently, I am in the process of restructuring my Angular2/Ionic2 code and seeking advice on the best practice for my specific situation. Within my component, I have declared a variable (this.questions) that I need to utilize in my service method. There ...

angularionic2global-variables

Issue with cordova plugin network interface connectivity

I'm currently working with Ionic 2 Recently downloaded the plugin from https://github.com/salbahra/cordova-plugin-networkinterface Attempting to retrieve IP addresses without utilizing global variables or calling other functions within the function ...

javascriptcordovatypescriptionic2

What kind of impact on performance can be expected when using index.ts in a Typescript - Ionic App?

When setting up the structure of a standard Ionic app, it typically looks like this: app pages ----page1 ---------page1.ts ----page2 ---------page2.ts If I were to include an index.ts file in the pages folder as follows: pages/index.ts export { Page1 } ...

angulartypescriptimportmoduleionic2

Is there a way to access the value of a variable from a .ts file within a .scss file?

Utilizing a css-only pie chart, I am looking to incorporate the value of this.performance in my scss to determine the percentage. How can I manipulate my scss file from .ts file? Below is a snippet of my css code in scss: $configs: ( chart-one: ( sv ...

angularionic-frameworkionic2

How to troubleshoot an Ionic exception occurring during the execution of any Ionic command?

Whenever I attempt to run an ionic command, I keep encountering this error message: { Error at FatalException.Exception (C:\Users\crist\AppData\Roaming\npm\node_modules\ionic\node_modules\@ionic\cli-u ...

javascriptcordovanpmionic2ionic3

Turn off the touch events system for Ionic 2 on the leaflet map's draw controller

Seeking guidance on how to disable data-tap functionality in Ionic 2 within a leaflet map div. Anyone familiar with this? In Ionic-v1, the solution involved adding data-tap-disabled="true" to the map container (ion-content). I recently integrated the lea ...

angularjstypescriptionic2leafletleaflet.draw

Issue: Unhandled promise rejection: SecurityError: To use screen.orientation.lock(), the page must be in fullscreen mode

While attempting to change the orientation of one of my pages in an Ionic 3 app, I encountered the following error. The code snippet below was used to change from portrait mode to landscape mode: ionViewDidEnter() { // this.statusBar.hide(); // // ...

angularcordovaionic-frameworkionic2ionic3

Error: Property 'content' is not defined and cannot be read

I encountered an issue with a config file while attempting to build with AOT using the command ionic cordova build android --prod Error: ./src/config/.env.ts Module build failed: TypeError: Cannot read property 'content' of undefined at Object.optimizat ...

angulartypescriptionic2ionic3

Is it better to store data individually in localStorage or combine it into one big string?

When it comes to keeping track of multiple tallies in localStorage, one question arises: Is it more efficient to store and retrieve several small data points individually or as one larger chunk? For example: localStorage.setItem('id1', tally1); localStor ...

javascriptcordovatypescriptlocal-storageionic2

Chrome fails the karma tests while phantomjs passes them

I've been struggling with this issue for some time now and can't seem to find a solution. I'm working on an Ionic 2 project that utilizes Angular 2's testing environment. When I run 'ng test' using Karma's Chrome launcher, I encounter the following error: ...

node.jsangulartypescriptionic2karma-runner

"The process of logging in to Facebook on Ionic app speeds up by bypassing

I'm facing a minor issue with Facebook login in Ionic. I've tried using Async - Await and various other methods to make it wait for the response, but nothing seems to work. The login function is working fine, but it's not pausing for me to p ...

facebookangulartypescriptionic2ionic3

The extensive magnetic scrolling functionality in Ionic 2 sets it apart from other frameworks

Hi everyone, I could really use some assistance! I've been working on developing an Ionic 2 App and my navigation setup is not too complex. I have a main menu where clicking on an item opens another menu with a submenu. From there, if I click on an i ...

javascriptjqueryhtmltypescriptionic2

Encountering issues with executing transactions in an Ionic 2 application when utilizing Sqlite functionality from Ionic Native

I am currently working on a project that involves setting up and querying a local sqlite database. I am utilizing the cordova-sqlite-plugin along with Sqlite from Ionic Native. Here is the code snippet responsible for opening the database and creating tab ...

sqlitecordovaangulartransactionsionic2

Navigating back to the login page in your Ionic V2 application can be achieved by utilizing the `this.nav

Running into an issue with navigating back to the login screen using Ionic V2. Started with the V2 tabs template but added a custom login page, setting rootPage = LoginPage; in app.components.ts. When the login promise is successful, I used this.nav.setR ...

angulartypescriptionic-frameworkionic2

PDFJS integration in Ionic 2

Looking for guidance on integrating pdfjs into an ionic2 project. Any suggestions on how to import and use it would be greatly appreciated. Thank you! I'm familiar with using pdfjs, but I'm having trouble figuring out how to bring it into my ion ...

angularionic2pdf.js

Flipping the Observable List in Angularfire2

Currently, I have implemented the following code to reverse the list: this.items = this.db.list('/privacy').map( (array) => {return array.reverse()} ) as FirebaseListObservable<any[]>; When displaying the list, I call it like this: <ion-item ...

angularfirebaseionic2real-timeangularfire2

Encountering an issue while installing Cordova and Ionic 2 via npm with the command "

After several attempts, I am still struggling to install ionic 2. When trying to install cordova using the command "npm install -g cordova" in cmd, I encounter the following error: npm ERR! Windows_NT 10.0.14393 npm ERR! argv "C:\Program Files\nodejs ...

cordovanpminstallationionic2

What could be causing the error message "why can't shows read property

Within my Ionic-Angular application, I have successfully loaded the content from the database and printed it on the console. However, I am facing an issue where I cannot bind this content to the view. The error message that appears is displayed in https:// ...

angulartypescriptionic2ionic3

How to Validate Ionic 2 Radio Button Selections with TypeScript

Imagine having a list like the one shown below: <ion-list radio-group [(ngModel)]="autoManufacturers"> <ion-list-header> Auto Manufacturers </ion-list-header> <ion-item> <ion-label>Cord</ion-label> &l ...

angulartypescriptionic-frameworkionic2ionic3

Ionic 2: Unveiling the Flipclock Component

Can anyone provide guidance on integrating the Flipclock 24-hours feature into my Ionic 2 application? I'm unsure about the compatibility of the JavaScript library with Ionic 2 in typescript. I have searched for information on using Flipclock in Ionic 2 ...

javascriptangulartypescriptionic2flipclock

Has anyone discovered an Angular2 equivalent to $provide.value() while testing promises?

I am currently experimenting with testing a promise in Angular2. Here is what I have so far: this.fooService.getData().then(data => this.fooData = data); If you are interested in learning about testing promises for Angular 1, check out this article. ...

angularjsangularjasmineionic2

Tips for Ensuring the Observable Completes Before Subscribing

I utilized RXJS operators in my code to retrieve an array of locations. Here is the code snippet: return O$ = this.db.list(`UserPlaces/${this.authData.auth.auth.currentUser.uid}`, { query: { orderByChild: 'deleted', equalTo: fal ...

typescriptfirebaseionic2rxjsobservable

Angular 2 Error: Unresolved Promise rejection - Unable to assign value to reference or variable

I'm currently working on an Ionic 2 app that includes a barcode reader feature. However, I encountered the following issue while trying to display data: Unhandled Promise rejection: Cannot assign to a reference or variable! ; Zone: ; Task: Promise.th ...

javascriptangularionic2ngfor

Unable to assign the selected attribute to a dynamically loaded Ion-select component in Ionic 2

I'm facing an issue with dynamically loading <ion-select> and setting default selection using the selected attribute. It doesn't seem to work as expected. Can anyone help me understand why? You can view the code on Plunker app/home.page.html < ...

angularionic-frameworkionic2

Using Rxjs for MongoDB Document References: A Step-by-Step Guide

Currently, I am working on an app using Ionic2/rc0. In my singleton service, I have a ReplaySubject that maintains the consistency of the current user throughout the entire application. Everything is functioning properly, and I can easily subscribe to it a ...

mongodbangularionic2rxjs5

Resolving the Duplicate Identifier Issue in Ionic 2 with Firebase Integration

I'm struggling with setting up ionic2 + Firebase 3. Following a tutorial, I installed Firebase and Typings using the commands below: npm install firebase --save npm install -g typings typings install --save firebase However, when I try to run ionic ser ...

typescriptfirebaseionic2typescript-typings

Version 5 of angularfie2 is encountering an issue where the type 'Observable<{}[]>' cannot be assigned to the type 'Observable<any[]>'

Encountering an error while using angularfire2 version 5: The error reads: "Type 'Observable<{}[]>' is not assignable to type Observable < any [] >." Code snippet: exercisesList$: Observable <any[]>; ionViewDidLoad() { this.exerci ...

angulartypescriptfirebase-realtime-databaseionic2angularfire2

The Ionic view is not reflecting updates in real-time when there are changes to the component properties

Having an issue with updating stock data on the view in my ionic 3 project. I am able to see frequent updates in my component and console, but these changes are not reflected on the view as frequently. For every 10 updates in the component, only 1 update i ...

angularionic2ionic3angular2-servicesionic4

Unable to initialize a public variable due to issues with Ionic Storage retrieval

I am currently facing an issue where I am trying to assign a token stored in the Ionic storage module to a public variable. However, when I attempt to set the token and then access it from another function, I encounter an undefined error. Here is the code ...

angulartypescriptionic2

After updating to ionic-native 2.5.1, encountering TypeScript Error TS1005 in Ionic 2

After updating to the latest version of ionic-native (2.5.1) in my ionic 2 project, I am encountering Typescript errors when running "ionic serve" in my terminal. I have attempted to update the typescript version to 2.x but to no avail. Any assistance woul ...

typescriptionic2ionic-native

Best Practices for Displaying Videos in Ionic 2

Can videos be properly integrated into Ionic pages? I'm encountering an issue where the buttons become unusable in fullscreen mode when using the html 5 video element. <video id="video1" width="100%" preload="metadata" controls webkit-playsinline& ...

angulartypescriptionic2

What steps can be taken to prevent a tab click from causing issues?

Within my application, there is a tab group that contains four tabs: <ion-tabs> <ion-tab [root]="tab1Root" tabTitle="Programmes" tabIcon="icon-programmes"></ion-tab> <ion-tab [root]="tab2Root" (ionSelect)="studioCheck()" tabTitle= ...

angulartypescriptionic-frameworkionic2

Troubleshooting ion-radio loop error in Ionic 2

I am encountering an issue with the ion-radio component in Ionic 2. The problem is that when the component retrieves data from a service using HTTP and assigns it to the data property within the ngOnInit lifecycle hook, the radio buttons are not able to b ...

angulartypescriptionic-frameworkionic2

How can we achieve a seamless fade transition effect between images in Ionic 2?

My search for Ionic 2 animations led me to some options, but none of them quite fit what I was looking for. I have a specific animation in mind - a "fade" effect between images. For example, I have a set of 5 images and I want each image to fade into the ...

csstypescriptanimationionic2

registering a back button action in Ionic2 for multiple pages

Currently, I am in the process of developing my Ionic2 app and have encountered a dilemma regarding the functionality of registerBackButtonAction. On one page, let's call it pageA, I have implemented this function and everything is functioning as expected ...

angulartypescriptionic-frameworkionic2ionic3

Using TypeScript to access global variables from inside a method

Hi everyone, I'm trying to figure out how to access variables from the global scope (this) within 2 methods. Any help would be greatly appreciated. location: any; doSomethingOne() { Geolocation.getCurrentPosition().then((resp) => { ...

typescriptecmascript-6ionic2

Access the Ionic2 App through the Slider option

Trying out Ionic 2 and facing an issue. Created a default side-menu app from CLI with a slider. Need to start the actual side-menu app from the last slide on button click or anchor link. My app.ts: @Component({ templateUrl: 'build/app.html' }) ...

angulartypescriptionic2ionic3

Combining pixijs with TypeScript in Ionic 2 using npm

To begin, I ran the command npm install -g ionic Followed by ionic start pixiApp blank --v2 Navigated to the pixiApp directory with cd pixiApp Installed necessary dependencies using npm install Added a specific version of pixi.js (4.1.0) with npm install p ...

typescriptionic2pixi.js

What is the best way to ensure that the operations are not completed until they finish their work using RX

Is there a way to make RXJS wait until it finishes its work? Here is the function I am using: getLastOrderBeta() { return this.db.list(`Ring/${localStorage.getItem('localstorage')}`, { query: { equalTo: false, ...

javascripttypescriptionic2angularfire

How can I prevent the installation of my Ionic 2 application on devices that have been rooted or jailbroken?

I am currently working on a project involving an Ionic 2 and Angular 2 application. I need to implement a feature that checks whether the device is rooted (in the case of Android) or jailbroken (in the case of iOS). I have experimented with various packag ...

angulartypescriptcordovaionic2

What could be causing the itemClicked() function to malfunction intermittently in Ionic2 / Angular2?

The issue at hand One common problem experienced with Angular's (click) functionality is that it may not work properly when <div> tags are utilized. In certain situations, multiple clicks might be required. I encountered the same problem mysel ...

angularionic-frameworkionic2

List of duplicated BLE devices detected in network scanning

Greetings! I am currently working on an Ionic project named BLE Scanner. After facing some challenges, I finally managed to connect to the devices. Below is the code snippet that I discovered online: home.ts (please ignore the DetailPage) import { Compon ...

javascriptangularionic-frameworkionic2ionic-native

Having trouble with Angular 2 and Ionic2 mocks? Getting an error message that says "No provider

Currently in the process of creating a spec.ts file for my application. The challenge I'm facing is related to using the LoadingController from ionic-angular. In order to configure the module, it requires providing the LoadingController (due to its pr ...

unit-testingangularmockingionic2angular2-testing

The request to search for "aq" on localhost at port 8100 using Ionic 2 resulted in a 404 error, indicating that the

Trying to create a basic app that utilizes an http request, but facing challenges with cors in ionic 2. To begin with, modifications were made to the ionic.config.json { "name": "weatherapp", "app_id": "", "v2": true, "typescript": true, "prox ...

angulartypescriptionic2

In Ionic 2, any modifications made to the data model will only be reflected in the user interface after there is

Q) Why does my data seem to magically appear on the UI after interacting with it, even though I have made changes in the backend? For instance, when fetching and updating data bound to a list, such as: this._LocalStorageService.getClients().then( (data ...

typescriptangularionic2

Developing an Angular 2 Cordova plugin

Currently, I am in the process of developing a Cordova plugin for Ionic 2. The plugin is supposed to retrieve data from an Android device and display it either on the console or as an alert. However, I am facing difficulty in displaying this data on the HT ...

javascriptcordovatypescriptionic2cordova-plugins