ionic3

问题 I have tried to send a POST data to a server but i received an error , “net::ERR_CERT_INVALID”. The code as shown below is what I tried to bypass the error but it’s still fail. Please help advice. Thank you. import { HttpClient, HttpParams } from '@angular/common/http'; createData(data): Promise<any> { let post_message = data; let header_node = { Accept: 'application/json', rejectUnauthorized: 'false', } // this.oauth_header.Authorization = 'Bearer ' + access_token; const url_params = new

问题 I have tried to send a POST data to a server but i received an error , “net::ERR_CERT_INVALID”. The code as shown below is what I tried to bypass the error but it’s still fail. Please help advice. Thank you. import { HttpClient, HttpParams } from '@angular/common/http'; createData(data): Promise<any> { let post_message = data; let header_node = { Accept: 'application/json', rejectUnauthorized: 'false', } // this.oauth_header.Authorization = 'Bearer ' + access_token; const url_params = new

问题 I have tried to send a POST data to a server but i received an error , “net::ERR_CERT_INVALID”. The code as shown below is what I tried to bypass the error but it’s still fail. Please help advice. Thank you. import { HttpClient, HttpParams } from '@angular/common/http'; createData(data): Promise<any> { let post_message = data; let header_node = { Accept: 'application/json', rejectUnauthorized: 'false', } // this.oauth_header.Authorization = 'Bearer ' + access_token; const url_params = new

问题 I have an error when I try to push a value in an array. The mystic thing in this error is that it only occurs on the Ionic Dev App, whereas in the Google Chrome Console, everything works perfectly. I did initialize the array, so the error doesn't come from here. Maybe, the error comes from an asynchronous operation, but I don't see where I don't catch a promise... initModelesList(){ this.addModele = this.navParams.get('addModele') || false; this.deleteModele = this.navParams.get("deleteModele

问题 I've run into a problem during development of email verification with firebase. Whenever I try to verify the email address, I can't get the info that user's email address is verified. I have a code like this: constructor(private afAuth: AngularFireAuth, public navCtrl: NavController, public navParams: NavParams) { } ionViewWillEnter() { this.afAuth.auth.onAuthStateChanged(user => { if (user && user.emailVerified) { this.navCtrl.setRoot(ShoppingListPage); } }); } proceedButtonHandler() { this

问题 I'm writing an application in Ionic 3 that uses the Cordova OneSignal plugin (onesignal-cordova-plugin 2.8.4). Scenario: The application is killed and a push notification is received: I need to know that the notification was received BEFORE the notification is clicked or the application is opened. The plan is to write code that runs as soon as a notification is received that will send a "receipt" to the main server. This is only happening if the Ionic application is running in the background

问题 I got error in ionic 3(android) at load image on from local phone or sd-card storage, path="file:///storage/emulated/0/Download/1533311989863.png" <img [src]="path" > </img> I also tried, path="file://storage/emulated/0/Download/1533311989863.png" OutPut:- Not allowed to load local resource: file:///storage/emulated/0/Download/1533311989863.png 回答1: Read as base64 from filesystem using ionic-native File plugin: File.readAsDataURL(cordova.file.dataDirectory, fileUrl).then(imageBase64 => { self

问题 I am using ionic with angular in a component and I am trying to set focus programmatically after the page loads up. This is the code item.component.html: <ion-row> <ion-col col-5> <ion-item > <ion-label>Departure Port</ion-label> <ion-select #selected class="selector" formControlName="control" [(ngModel)]="modelItem" (click)="selectItem()"> <ion-option *ngFor="let item of [{code:item.code, desc:item.desc}]" value="{{item.code}}"> {{item.desc}} ({{item.code}}) </ion-option> </span> </ion

问题 I´m searching the best way to migrate Firebase Realtime Database Data to Cloud Firestore for a json database with many nested rows. Example: I found nothing that could help me. For what I need the migration is the new offline functionality of the Cloud Firestore. I´m using Ionic3 (Angular5) 回答1: Actually there's no standard way to migrate from Firebase Realtime Database to Cloud Firestore, because every application or project has is unique. You have to implement your own way of migrating to

问题 I want to display two tabs that will be used to display similar data, but the tabs will be used to filter the information. My Tabs: import { Component } from '@angular/core'; import { DataPage } from './DataPage'; @Component({ template: ` <ion-tabs> <ion-tab tabIcon="heart" [root]="tab1"></ion-tab> <ion-tab tabIcon="star" [root]="tab2"></ion-tab> </ion-tabs>` }) class MyApp { tab1: any; tab2: any; constructor() { this.tab1 = DataPage; this.tab2 = DataPage; } } The page: import { Component }