ionic-framework

问题 I am trying to write a testcase for a method which has been called or not. Inside that method, I am calling an alert confirmation box. I am getting an error like Failed: this.alertCtrl.create is not a function Component.ts submitTicket(comments) { if (comments.length > 0) { const prompt = this.alertCtrl.create({ title: "<span> Improve Solution </span>", message: "<span>" + 'Are you sure you want <br>' + "</span>" + "<span>" + 'to submit this improvement' + "</span>", enableBackdropDismiss:

问题 I have a button that I want to display text but only when the defaultHref is used. Is there a way to detect that? <ion-back-button *ngIf="defaultHref" [defaultHref]="defaultHref" [text]="text" icon="ios-arrow-back" mode="md"></ion-back-button> If the back button shows as a result of a different router forward, the back button link goes somewhere else but the text I set is still there. Is there a way to make that text conditional upon the link matching the defaultHref that I set? 回答1: From

问题 I have a button that I want to display text but only when the defaultHref is used. Is there a way to detect that? <ion-back-button *ngIf="defaultHref" [defaultHref]="defaultHref" [text]="text" icon="ios-arrow-back" mode="md"></ion-back-button> If the back button shows as a result of a different router forward, the back button link goes somewhere else but the text I set is still there. Is there a way to make that text conditional upon the link matching the defaultHref that I set? 回答1: From

问题 I am doing a calendar event application and it runs perfect in a browser but when I build it on a device the date format is different and it is showing me errors. I have used ionic2-calendar for this and the error is happening only on a real device it runs perfectly on a browser. I have tried everything but I can't solve this problem. This is my home.page.ts import { CalendarComponent } from 'ionic2-calendar/calendar'; import { Component, ViewChild, OnInit, Inject, LOCALE_ID } from '@angular

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this

问题 CONTEXT I have a vector composed of multi polygons, each one of these have a unique class and I set a style related to it. I currently doing this way: let multiPolyVector = new VectorLayer({ source: new VectorSource ({ format: new GeoJSON({dataProjection: 'EPSG:31982'}), url: 'assets/geojson/randomVector.geojson' }), style: (feature) => { let class = feature.get("CLASS"); switch(class) { case "CLASS1": return this.styleArea('rgba(240, 240, 240, 1)'); // break; case "CLASS2": return this