ionic-framework | 易学教程

Cannot update Ionic-CLI

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问题 I'm having an issue updating to the latest version of Ionic. I became aware of the issue when I tried to run the command ionic g provider Tabs and got g is not a valid task in response. I have three versions of NodeJS installed, that I switch between with NVM. I tried removing Ionic and Cordova from all three, updating NPM, and re-installing in just the latest version of Node. Still no luck. My system info is as follows below: ` Cordova CLI: You have been opted out of telemetry. To change

How to convert iamge to data uri ionic

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问题 I am using one camera app. In that after i took photot i need to convert that image to data uri and then have to send to db. here is what i did : function opencamer() { console.log("camer open"); Camera.getPicture().then(function(imageURI) { console.log(imageURI); $scope.lastPhoto = imageURI; $scope.imgUrl = "data:image/jpeg;base64," + imageURI; }, function(err) { console.err(err); }, { quality: 75, targetWidth: 320, targetHeight: 320, saveToPhotoAlbum: false }); } but when i sent this $scope

How to convert iamge to data uri ionic

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Displaying Blank screen by using cordova-plugin-google maps Ionic Framework

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问题 am new to using cordova google maps in my ionic app.when used this plugin in my app am getting blank screen like I followed step by step as mentioned in cordova google maps plugin Generated valid google maps API key for Android device this is the code i worked on it... <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript" src="cordova.js"></script> <script type="text/javascript"> var map; document

How to create tiles like UI with *ngfor in ionic

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问题 I'am trying to create a tiles like template like How can i create the tiles structure as the below image into my ionic Application home.html <ion-row responsive-sm wrap> <ion-col *ngFor="let item of allservices ;let i = index " [ngClass]=" {'col1':i==0}"> <img src={{item.icon}} /> <div class="myOverlay"> <div class="card-title">San Francisco</div> <div class="card-subtitle">72 Listings</div> </div> </ion-col> </ion-row> 回答1: Edit : Solution using Ionic ion-col . Set a property col8 to true to

Does Google Analytics for Cordova still work?

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问题 I have noticed that if you try configuring Google Analytics for a mobile app - it points you to Firebase Analytics. Can Google Analytics still be used for a Cordova app? If yes - shall it set as separate web property to track? What should be the site URL? 回答1: Yes. I recently used Google Analytics for Ionic3 app. One important thing I was missing initially was to create account for mobile app in Google Analytics. If you use website account, GA events will not be fired from mobile devices. You

Getting Data From Another AngularJS Controller

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问题 So I'm still very new to developing in Ionic/Cordova/AngularJS. Right now I have 2 controllers, "groups" and "events". My goal is to create a group and to create an event on seperate pages. Once a group is created, I want users to be able to select this group in their "create event" screen. However, I just can't get my groups to show up. I thought a simple ng-controller option in my HTML option field would do it but that doesn't seem to be possible. I tried putting everything in the same

ionic scrolling not working in ios, but with ion-scroll it is working with android (pixel) phone

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问题 ionic.min.css --> Ionic, v1.3.2 <link rel="stylesheet" href="../lib/ionic/css/ionic.min.css"> <link rel="stylesheet" href="../lib/mobiscroll.custom/css/mobiscroll.custom-3.0.0-beta6.min.css"> I have a new module I made and I thought I had everything I needed and then when iphone developers told me, I thought I fixed with adding in <ion-scroll zooming="false" direction="y" style="height: 900px;"> But that only worked with my google android pixel and so i try to fix mostly with trial and error

undefined error while accessing an object from .ts file to .html in ionic 3

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问题 I am trying to access an object value sent via a .ts file on .html file but it shows "Error: Uncaught (in promise): TypeError: co.productdetail is undefined View." here the productdetail is the variable name that i am trying to pass from the .ts file to the .html file.This is the way I am trying to print the name attribute of object in the html file <h3>{{productdetail.name}}</h3> . however following seems to work fine in another file. <div class="width50" *ngFor="let object of dataList">

Declare a function inside another function

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问题 i have this function: charCtrl.loadDataFromToMonth= function (from,to,year) { var url = servername+'admin/dashboard/getIncidentDepartByMonthFromTo/'+from+'/'+to+'/'+year; //alert(url); function onSuccess(response) { console.log("+++++getIncidentDepartByMonthFromTo SUCCESS++++++"); if (response.data.success != false) { $scope.payloadgetIncidentDepartByMonthFromTo = response.data.data; var getIncidentDepartByMonthFromTo= $scope.payloadgetIncidentDepartByMonthFromTo; // alert('dddd'+JSON