ionic-framework

问题 In ionic, I want to display the user's email and location which are stored in firestore, but the user's firestore document id is their email address. How can i get their data and display to them In authentication.ts import { Injectable } from "@angular/core"; import { AngularFirestore } from '@angular/fire/firestore'; import * as firebase from 'firebase/app'; @Injectable() export class AuthenticationService { constructor(private firestore: AngularFirestore){} registerUser(value){ firebase

问题 In ionic, I want to display the user's email and location which are stored in firestore, but the user's firestore document id is their email address. How can i get their data and display to them In authentication.ts import { Injectable } from "@angular/core"; import { AngularFirestore } from '@angular/fire/firestore'; import * as firebase from 'firebase/app'; @Injectable() export class AuthenticationService { constructor(private firestore: AngularFirestore){} registerUser(value){ firebase

问题 I ran ionic start series sidetabs in my Windows and got this error TypeError: You must specify a "protocol" for the proxy type (http, https, socks, socks4, socks4a, socks5, socks5h, pac+data, pac+file, pac+ftp, pac+http, pac+https) at new ProxyAgent (C:\Users\sato\AppData\Roaming\npm\node_modules\@ionic\cli-plugin-proxy\node_modules\proxy-agent\index.js:97:11) at ProxyAgent (C:\Users\sato\AppData\Roaming\npm\node_modules\@ionic\cli-plugin-proxy\node_modules\proxy-agent\index.js:81:45) at

问题 I start learning ionic-framework , my problem is I cannot install ionic-framework in ubuntu. My Node.js 's version is v0.12.7 and npm version is 2.11.3 . I follow http://ionicframework.com/docs/guide/installation.html link, I get the following error:: install cordova root@meutex-pc:~# npm install -g cordova npm WARN engine xmlbuilder@2.2.1: wanted: {"node":"0.8.x || 0.10.x"} (current: {"node":"0.12.7","npm":"2.11.3"}) /home/meutex/npm/bin/cordova ->/home/meutex/npm/lib/node_modules/cordova

问题 I have created an ion-grid radio-group in which there are ion-rows and in ion-rows there are 3 ion-cols in each ion-row and in last 2 ion-col I've put ion-radios . like this <ion-grid class = "DiscountOptions" radio-group> <ion-row style = "border: 1px solid; padding: 8px; background-color: #84AEF9"> <ion-col>Discount Options</ion-col> </ion-row> <ion-row> <ion-col>Pay 100% of fee now & get 25% discount</ion-col> <ion-col class = "euro"><ion-radio></ion-radio> €25.0%</ion-col> <ion-col class

问题 I've a question about in-app purchase subscription. In my app you can create multiple account. this is an example of my problem. Login paolo.rossi@gmail.com and buy premium, Logout paolo.rossi@gmail.com Login paolo.verdi@gmail.com I've already premium and I can't buy How to solve this? In many app you can buy premium in the same phone with different account. is it a ionic limitation? 回答1: I cannot answer how to achieve this in Iconic but this is the general approach I used in Android. So the

问题 I am building an Ionic App and I am getting this error when I try to convert to base64 an image from an URL. Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. My code is the following: public getBase64Image(imgUrl: string): Promise<string> { if (!imgUrl.includes("http")) { return; } return new Promise<string>(resolve => { let img = new Image(); img.src = imgUrl; img.crossOrigin = "anonymous" img.onload = (() => { let canvas =

问题 I am building an Ionic App and I am getting this error when I try to convert to base64 an image from an URL. Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. My code is the following: public getBase64Image(imgUrl: string): Promise<string> { if (!imgUrl.includes("http")) { return; } return new Promise<string>(resolve => { let img = new Image(); img.src = imgUrl; img.crossOrigin = "anonymous" img.onload = (() => { let canvas =

问题 I am trying to set the default time of this datetime picker to 0800. Any idea how i can do this? <ion-label floating>Time: From</ion-label> <ion-datetime displayFormat="HH:mm" pickerFormat="HH:mm" [(ngModel)]="request.from" ></ion-datetime> 回答1: try something like : <ion-item> <ion-label>Date</ion-label> <ion-datetime displayFormat="MM/DD/YYYY" [(ngModel)]="myDate"></ion-datetime> </ion-item> JS: $scope.myDate = "2017-08-08 11:22:00"; 回答2: In my case, I'll receive the wrong date format from

问题 Recently, Google has changed policy for reading SMS by mobile APP. so, now they are not allowing to give the permission of READ_SMS. There is a way to read SMS in Native Android using SMS Retriever API here. but, I can't see any plugin to read SMS by APP which is developed in Ionic/Cordova. Please suggest. Thanks in advance! 回答1: You can try ionic-native-sms-retriever-plugin-master - it's hot off the presses and I haven't tried it, but this implements the SMS Retriever API in a Cordova plugin