Most voted "ionic3" questions
Ionic 3 is the third version of Ionic, an open source SDK that allows developers to create mobile apps using web technologies (HTML, CSS, and Javascript). Ionic 3 uses the Typescript language. Use this tag for feature-specific questions of version 3 or later, for general questions use the [Ionic].
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viewsSmart House with Ionic 3
Hi, could you help me with my CBT? I need to develop a mobile page like this in the image below, I am using Ionic 3 (Angular, Typescript, HTML, CSS, PHP), and phppgadmin. the idea is a page where I…
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answer74
viewsUpgrading from IONIC 1 to 3: How to log in to JSON?
I’m migrating from Ionic 1 to 3, and how many changes. I created my login API, with token: Here I put my authorization code to access the API. And here the result in JSON: ion-content padding…
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answer68
viewsFirebase: Filter Child Node query on Angularfire2 firebase
I have this following structure: { "3" : { "data" : "2017-09-21", "fornecedor" : { "cnpj" : "123234534534", "fantasia" : "Barreirinha" }, "nNF" : 3, "peso" : 3, "precoCompra" : 6, "vendido" : false…
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viewsChange title by icon
I am still learning about Ionic. I would like to know how to change the title of the guides by an icon or a custom image. HTML <ion-header> <ion-navbar>…
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answers47
viewsWhat is the difference between page and Component?
There is a difference between the generate page and the generate component? when should I use one and not the other? This changes something regarding Lazyload?
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answer562
viewsValidating an Ionic Login form 3
How to validate a Login form that contains EMAIL and PASSWORD in Ionic 3? It is necessary to create a new component to validate these fields ?
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answers86
viewsGoogle maps inside the Ionic 3 segment?
I wonder if it is possible to add this map in an Ionic segment tab. I even managed to use the map perfectly as I want, but I would like to leave it only in a tab of the segment. When I put it on it…
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viewsIonic Cordova-video player
I’m trying to add video in the app by following this tutorial : https://www.youtube.com/watch?v=E4S1yVBUPpk&t=9s I did everything right I believe, but when I run the application with Ionic…
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answer261
viewsHow to get a JSON result in Ionic 3, but echo result in PHP
I need to get the result from my JSON which could be "Registration already exists." or "Register Successfully." In my register, I am doing this way: submit(){ var nome = this.data.nome; var celular…
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viewsI want to alert another APP, with Ionic 3 and Cordova 8
Hello! I want to send an alert from one app to the other, I’m developing both and they already talk, but I could not do this issue of alert. <ion-item style="align-items: center;"> <button…
ionic3asked 5 years, 6 months ago Daniela Martins 21 -
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answers750
viewsError while booting app created with Ionic 4
Hello I started an app with Ionic 4 by CLI, the same basic. Commands used: ==> $ Ionic start app-build Blank --type=angular ==> $ app-build cd ==> $ Ionic Cordova Platform add android…
ionic3asked 6 years, 3 months ago Bruno Henrique 11 -
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answer96
viewsSelect where the month name appears?
At the moment I’m developing a app where I list on a table the month and the sum of consumption of each month in KW as shown in the print below: only that I n know how I would do to instead of…
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viewsHow to define a child node in Firebase by IONIC 3
Hello, I am working on a project with Firebase Realtime Database and Ionic 3, but I have a problem with the child node. for example: My son is "Lkucxf041hhfrkn3tiq", how to set this son to "test"?…
ionic3asked 5 years, 3 months ago Flávio Bergamini 11 -
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answer492
viewsIONIC3 - Error - Typeerror: Undefined is not an Object (evaluating '_co.person.id') - I can’t find the cause of the error
Hello I am developing an application with Ionic3, but I have an error that I can not find the cause, I thought it was a bug, already restarted the server (Ionic serve --lab) several times but the…
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answer574
viewsIonic 3 Http request does not add header Authorization
Hello, I have a serious problem doing an HTTP REQUEST POST when I need to add a custom Header. My Backend API, has some blocked routes and requires authentication via Token, I need to pass it in my…
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viewsError while trying to login with facebook and google Native (IONIC3)
I am having some difficulties to implement the login of google and facebook Activate in an ionic3 application. The problems I get are the following, on my console : main.js:71 16 main.js:84…
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answers158
viewsIonic 3 - Disable specific view keyboard
I’m using the app on a physical keyboard data collector. Client asked to disable native Android virtual keyboard on some screens only. I installed the Keyboard of Ionic-Native, another of Cordova…
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viewsProblems in a list - Ionic
Well, I’m developing an app with Ionic and firebase. Everything is happening as expected, however, when I try to bring the data for editing, the data is all in a column of the list, I did several…
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answer200
viewsError when buildar for android Ionic
I’m getting the following error: BUILD FAILED in 0s /home/Flavio/helloworld/Platforms/android/gradlew: Command failed with Exit code 1 Error output: FAILURE: Build failed with an Exception. Where:…
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answer63
viewsIonic 3 Missing Localstorage
I have an Ionic 1 application that saves some information in the Torage locale. I rewrote the same application in Ionic 3 with the same package id(widget id in config.xml), but when installing the…
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answers245
viewsPre-select first element of the array
My select <ion-item> <ion-label floating color="primary" interface="popover">Opções de Parcelamento</ion-label> <ion-icon name="pricetags"></ion-icon> <ion-select…
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answer35
viewsIonic loop reading sensor and sending to api
Hello, I need to take consecutive readings of some sensors in Ionic 3.x but I can’t let it completely block the application. tried to do so: async disparaLeituras(path_id) { while (true) {…
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answers194
viewsCordova-pdf-Generator Ionic plugin
I use the c plugin in Ionic to generate a pdf type file, but notice in the example below the writing is html. Does it have a way to instead I generate the pdf generate an html file? import {…
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answers79
viewscreate and write with Cordova file Ionic plugin
I am trying to write to a file using the Cordova file, as I cannot write straight to the Assets (which is read-only), I move the file and try to write, but it falls in the catch erro2.…
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viewsIonic 4 + Nodejs: Module not found: Error: Can’t resolve 'dgram' in
I’m creating an app using Ionic 4. In this application I need to use some libraries of Nodejs: dgram, fs, path and among others. But when I run my application, it returns an error message Module not…
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answer153
viewsProblem with IONIC versions
Currently the Ionic is in version 4, but I prefer the Ionic 3 mainly to program the themes of my application. So I did the downgrade for version Ionic 3.1.0. But I’m faced with a big problem, typing…
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answer37
viewsFormgroup.Valid starting as true IOINIC V3
I am trying to validate a form that only receives a parameter, in this form I have a search button that should only be enabled after typing at least 5 letters, but is going wrong, pq the button…
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answer66
viewsHow to color a button corresponding to a selected value?
My question is as follows. I created a simple matrix with animal names. For each name I push a button dynamically, and manipulate the DOM of this button to get a color for when selected, and a color…
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answer1079
viewsTake scroll bar on Ionic 3
I’m having a hard time getting the scroll bar on ionic 3 is appearing in all versions (ios, android, windows phone) What should I do ?…
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answer162
viewsRemove command not working Ionic
I’m having trouble with the navCtrl.push. The flow is as follows: On the pages 1.1, 1.2 e 1.3 I can go back and forth as many times as I want but when I click the back button I need to return to…
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viewsHow do I run IONIC 3 app on the IOS emulator?
For android worked well, then tried to use the same standard for IOS and could not. 1 - Ionic Cordova Platform add Ios 2 - Ionic Cordova run Ios --Emulator Gave the BUILD SUCCEEDED but did not run…
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viewsProblem Generating Ionic 3
I’m developing an app that needs to read a Qr Code, but I have a problem generating . apk in Ionic 3.0. When I upload the application in Ionic view works normally (opens the camera and reads), in…
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viewsPush screens Ionic 3
I’m using this command this.navCtrl.push('HomePage'); to navigate between pages on ionic 3 but I need to make sure he doesn’t show up like this: I can’t give the guy a chance to get back to the next…
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answer262
viewsIonic v2 white screen
I am making an application using Ionic v2 and this working perfectly, my problem is that when Gero for production -> Ionic cordoa build android --Prod. In some cell phones begins to give White…
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answer703
viewsProblems with IONIC 2 in various aspects
The big question is: What happened to IONIC after the updates. A few months ago I started a project with IONIC 2 for a client. Due to some setbacks of mine and also on the part of the client, the…
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answer363
viewsError while building on IONIC 3
I am coding an application in IONIC 3 and while trying to perform the command ionic cordova run android (In order to be able to debug the application in my cell phone) the following error occurs:…
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answer159
viewsModal transition effect
Well, I’m with the following doubt, I have a Modalcontroller when I’m running on iphones, the input transition comes from below to cover the fool screen. With this library, can I change that…
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answer583
viewsIonic 3 queries using Angularfire2
I’m trying to perform a search with Ionic 3 + Angularfire2. I have a list of all the data from firebase, but I can’t filter this data, it does not return me anything. ts. import {…
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answers477
viewsCatch Hours by Datetime - Ionic 3
I need to do a project for my school and do not know how to pick, by ion-datetime (Ionic 3), the value of the times that the user select. Could someone help me?
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viewsMascara no Ionic
Good morning people, I wanted a help, in the ion-input of Ionic, I would like to use mask, cell number and Cpf for example, could help me with a very simple example, I use Ionic 3 and angular 4…
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answer154
viewsIonic - Problem loading Googlemaps to emulator and mobile device
In the browser googlemaps loads normally, already in an emulator or mobile the application opens but everything is blank as in the photo, already installed the dependencies googlemaps, Geolocation…
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viewsIonic official synchronization
Good Afternoon to you... I need to develop an Ionic app that is offline (pouchDB) and when I had local network connection in my case (wifi) make the integration with the server that in my case would…
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answer137
viewsHow to check the console of an Ionic app running on your smartphone
How do I open the console of an application running on a device? I’d like to review the logs I put in the app.
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answer388
viewsConsume REST IONIC3
hello, I am new in the area of Web and Ionic3 and I have a problem, I followed a tutorial to consume a API Rest, I managed to bring the list with users, however I want to bring a specific user and…
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answers296
viewsStore offline image in Ionic Storage
Hello, I created an application with a simple user registration and storing in the Ionic Storage, however I would like to know how to store an image to be the profile photo of the user My Provider…
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answers2043
viewsUnexpected end of JSON input error
I am working with Ionic 3, picking up data through a Restfull API, using PHP and Mysqli, but returns this error: Unexpected end of JSON input. I believe the error is in the API. Follows my code: In…
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answers618
viewsStore photo profile with Ionic Storage in a registration APP
I’m new in web programming and Ionic 3 and need a help, I created an app to make a simple registration and save in internal Torage, but wanted to save the photo of the person profile, how to select…
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answer201
viewsIonic 3 plugin_not_installed
I have an IONIC 3 application running normally when I run: ionic cordova run android. The problem is when I run ionic cordova run android --prod of the following error:…
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answer330
viewsBuild failed with an Exception
When I try to run on my mobile phone, the following message appears: I managed to run via Android Studio, but the app is very slow…
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answer127
viewsData typing
all right? Putting into practice what I learned in angular/Ionic, I came across some doubts: 1- I made an ion-select with a list of states coming from firebase. When I typed the model States, be in…