ionic2

问题 In typescript, using Angular 2, I need to import two classes with the same name, but lying in different paths. The project is quite too big that I find it hard to change the exported class names. Is there any way to alias the imported classes, import {Class1} from '../location1/class1' import {Class1} from '../location2/class1' 回答1: You can use as like this: import {Class1} from '../location1/class1' import {Class1 as Alias} from '../location2/class1' You can find more about the ES6 import

问题 I am using ion2-calendar. this is my html: <ion-calendar [(ngModel)]="date" (onChange)="onChange($event)" [type]="type" [format]="'YYYY-MM-DD'"> </ion-calendar> and this is onchange in ts: onChange($event) { console.log("onchange event called"); console.log(moment().format('DD-MM-YYYY')); } This is my console: onSelect event called 25-06-2018 But i am always getting current month and year,no matter which date I choose. Only the date value is changing. Its showing current month and year in the

问题 I want to know whether the Multiple request : if my $http request 1 start , let's say $http request 1 ends and tried to call $http request 2 . my question how can i create a multiple request ? for example : call $http request 1 then $http request 2 . 回答1: As I understand, you're trying to make more than one http request and then process the response when all those request have ended. For instance, you may need to load data from more than one source, and delay the post-loading logic until all

问题 Presently working on ionic2 and angular2 I am having fields of 7 checkboxes. I need to select only one particular checkbox the remaining checkboxes should be disabled.Similarly, I need to get for remaining 6 checkboxes also. How can I do that, Here is the code I have used in my HTML // payment.HTML <ion-card class="ion-card"> <ion-item> <ion-label>Cash On Delivery</ion-label> <ion-checkbox item-right checked="true" [(ngModel)]="checked"></ion-checkbox> </ion-item> <ion-item no-lines> <ion

问题 I'm using Chart.js to create a stacked bar graph for a hybrid app using Ionic2 and Angular2. I cannot get the background color or fill color of the bars in the graph to change. I've used every configuration/example that is given on chart.js documentation, and I always get the default red and blue default(?) colors. Here is what I have: barChartOptions:any = { responsive: true, scales: { xAxes: [{ categoryPercentage: 0.6, barPercentage: 1.0, stacked: true, ticks: { beginAtZero: true },

问题 I have this simple example which does update the Counter value in my HomePage class. But in the html view: <p>{{Counter}}</p> this remains zero. The method: ondrag(event, item) { let percent = event.getSlidingPercent(); if (percent === 1) { event.close(); this.Counter--; } if (percent + 1 === 0) { event.close(); this.Counter++; } } works on my machine if i add logs for each if Here is the code on plnkr: https://plnkr.co/edit/7Q4wDtZjIS1zBDsF0etS Any suggestions? 回答1: This topic was already

问题 Ionic 2 failed CLI build giving me the following error: "TypeError: Cannot read property 'AssetUrl' of undefined". My research lead me to this thread and this one. Both threads suggest to modify the "package.json" file and to remove the "^" sign in front of the version in "dependencies" and "devDependencies". I did that and then CLI: ionic rm platform android ionic add platform android and finally: ionic build android I still get the same error. At some point in this thread , it suggests

问题 Ionic 2 failed CLI build giving me the following error: "TypeError: Cannot read property 'AssetUrl' of undefined". My research lead me to this thread and this one. Both threads suggest to modify the "package.json" file and to remove the "^" sign in front of the version in "dependencies" and "devDependencies". I did that and then CLI: ionic rm platform android ionic add platform android and finally: ionic build android I still get the same error. At some point in this thread , it suggests

问题 When I am trying to run npm run ionic:build --prod , it is giving me below errors: Error: Cannot determine the module for class OverlayPortal in F:/D/IONIC/quicktask/quicktask-web-froala/node_modules/ionic-angular/umd/components/app/overlay-portal.d.ts! Add OverlayPortal to the NgModule to fix it. Cannot determine the module for class IonicApp in F:/D/IONIC/quicktask/quicktask-web-froala/node_modules/ionic-angular/umd/components/app/app-root.d.ts! Add IonicApp to the NgModule to fix it.

问题 I am trying to obtain the imei of an android device in ionic 2, but so far no luck. In ionic 1 l just used an ngCordova plugin like cordova-uid https://github.com/hygieiasoft/cordova-plugin-uid. Is there a plugin for ionic-native that I can use to obtain the imei or is there any other way to get the imei. 回答1: Can use this code. cordova plugin add org.hygieiasoft.cordova.uid Or cordova plugin add https://github.com/hygieiasoft/cordova-plugin-uid For test use console.log declare var cordova: