Most voted "ionic4" questions
29 questions
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2
votes2
answers1747
viewsError CORS api Post Office
I am trying to make a request for freight calculation for the post office, but when I request the request, returns the error error of CORS -- Error message: Access to XMLHttpRequest at…
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answers93
viewshow to push from one phone to the other, Ionic 3-4
I’ve made a simple push notification app, sending the notification to the app, using Onesignal and Firebase, Is it possible to make an app, which sends the notification, from one phone to the other…
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answers39
viewsError installing Ionic 4
How to fix the error by installing Ionic: Note: I use proxy address, 10.83.0.234:3128, and even after configuring npm config set proxy meu.endereco.proxy:porta still not working.…
ionic4asked 4 years, 8 months ago Gilvonaldo A. S. Cavalcanti 11 -
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votes1
answer105
viewsIonic 4 html form completion confirmation
my app has an address form, which searches all the data by the zip code, but it needs to put the number manually, however currently, the user can confirm without filling in the number, I’m new at…
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answer3039
viewsError : Can’t bind to 'formGroup' Since it isn’t a known Property of 'form'
I am creating an app in IONIC V 4 In the form using Formbuilder added the tag [formGroup] appeared two errors : <form [formGroup]="formRegister"> and the other : The componet…
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answers91
viewsIONIC 4: Ionic Cordova build android --Prod --verbose não compila
When I use the command Ionic Cordova build android, the program compiles perfect but only add --Prod that does not compile. Error says that the program structure changed during code generation :…
ionic4asked 3 years, 5 months ago Camilo Chaves 11 -
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votes1
answer47
viewsLow Resolution IONIC CAMERA
I’m having a problem with the resolution of the photos in my app. My file TS. this with the following settings: import { Component, OnInit } from '@angular/core'; import { PictureSourceType, Camera,…
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answer339
viewsHow to use Infinite Scroll within an ion-card?
I need the InfiniteScroll issue an event while rolling the scroll of card, and not the page. import { Component, OnInit, ViewChild } from '@angular/core'; import { GrupoService } from…
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answer684
viewsI cannot navigate correctly using ion-tabs (IONIC 4)
I have the following code structure: app-routing.module.ts import { NgModule } from '@angular/core'; import { PreloadAllModules, RouterModule, Routes } from '@angular/router'; const routes: Routes =…
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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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answers289
viewsIonic - Transform image from Base64 to JPG
I’m making an app and I need to send an image to an api. But I only have the image in Base64 and I need it in jpg. Does anyone have any idea how I do it? public sendOnePhoto(photo: any) { const body…
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answer25
viewsIONIC does not generate project and not error
I really need someone’s help because I’m three days away from the same problem, but with no solution. When executing the following command it is only stopped and does not continue the project…
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answer56
viewsHow to make a request that changes the values according to the return of the api
Hello! I have to request an api, but the api values change dynamically. was giving a read on Observables, and I can’t tell what I’m doing wrong the function is already of the Observable type... but…
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answer94
viewsHow to take value of element attribute with Angular IONIC4
How can I take the value of the data set attribute or change it in the link with the following structure: <a href='#' data-set='22'>Texto</a> I know that in jquery I can use:…
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answer355
viewsHow to place a spinner on the button according to the service. Angular 2+
How do I put a spinner in a button and this spinner will disappear only when the data is sent.... In case the data is not sent or give some problem in the server the spinner is there loading. I am a…
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answer123
viewsHide div after keyboard opens. HTML
Good night! I’m developing an app using Ionic / Angular, but I’m having a problem. When clicking on the keyboard, the form elements overwrite the menu and the logo. I want to hide the Divs…
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answer78
viewsChange sidemenu items in Ionic 5
I am migrating a project from Ionic 3.2 to 5.14, and am having difficulties to use observables instead of Events. In the original code, after the user logged in, I changed the name and image of the…
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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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answers79
viewsIonic 4- Receive variable update with Behaviorsubject
In the home I have a list of products that click opens the product modal with a button to add to cart. When you add the quantity appears next to the icon. I want to close this modal on app. be…
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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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votes1
answer804
viewscore.js:9110 ERROR Typeerror: Cannot read Property 'onDidDismiss' of Undefined
When I log in to an Ionic4 system Loading is called on the screen however, the same Dismiss is giving the error: core.js:9110 ERROR TypeError: Cannot read property 'onDidDismiss' of undefined It…
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answer57
viewsHow to Resolve Ionic Accentuation Problem
Guys, I went to pass a data through the routes in Ionic, Angular, only the data is a string with accent, when I put the variable that receives the value to show in the title it shows good, however,…
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answer82
viewsGoogle plus authentication on Ionic
I’m trying to create a login with google plus in Ionic 4 on android platform, but is always coming back an error [10], which according to the google documentation, is a configuration error, but I…
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answer31
viewsWhat’s the execution order on Ionic?
I’m a beginner in Ionic and I’m a bit lost. I don’t know exactly where and how to add components, and how to make them usable. I’ve thought of adding a component and it doesn’t even appear on the…
ionic4asked 5 years ago JulioHenrique 1 -
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answer19
viewsIONIC 4 copying error
I took a folder of a project, made in IONIC 4, from my friend at GITHUB, and at the time of opening the error project. Someone could help me?…
ionic4asked 4 years, 11 months ago Leticia Xavier 1 -
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votes1
answer395
viewsWhy is the "ion-slides" not working properly in my app?
I’m developing an app using Ionic 4. On one of the pages I started creating, I’m trying to use the "ion-slides component". I inserted a basic component into an html page, just to test, like this:…
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answer38
viewsIon-split-pane does not allow click (Ionic)
I have an application in Ionic that has a menu, however eventually this menu hangs and I can not click on the screen inputs. So I went to debug the application the perception that when this happens…
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answers8
viewsContent does not appear
I’m banging head with Ionic-React has a while already, and I can’t understand why the code below does not generate the text on the screen. const AgendaDiaria: React.FC = () => { const {user} =…
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votes2
answers117
viewsHOW TO MAKE A BOOT APPEAR ONLY TO THE ADMINISTRATOR
Can someone help me? I’m trying to make an admin page but I’m having difficulties, because anyone who logs in to the application, will see the button (ADD PRODUCTS) and (Delete products), because…