Hello,
I’ve used angular2-signaturepad. I have this error :
“undefined is not an object (evaluating ‘this.signaturePad.toDataUrl’)”
With this code :
import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import {SignaturePad} from 'angular2-signaturepad/signature-pad';
@Component({
selector: 'page-envoie',
templateUrl: 'envoie.html'
})
export class EnvoiePage {
public signaturePad : SignaturePad;
public signaturePadOptions : Object = {
'minWidth': 2,
'canvasWidth': 340,
'canvasHeight': 200
};
public signatureImage : string;
constructor(public navCtrl: NavController) {
}
drawComplete() {
this.signatureImage = this.signaturePad.toDataURL();
this.navCtrl.push(EnvoiePage, {signatureImage: this.signatureImage});
}
drawClear() {
this.signaturePad.clear();
}
}
<ion-header>
<ion-navbar>
<button ion-button menuToggle>
<ion-icon name="menu"></ion-icon>
</button>
<ion-title>Tarifs</ion-title>
</ion-navbar>
</ion-header>
<ion-content padding>
<h3>Rapport d'intervention</h3>
<signature-pad [options]="signaturePadOptions" id="signatureCanvas"></signature-pad>
<ion-grid>
<ion-row>
<ion-col col-4>
<button ion-button full color="danger" (click)="drawCancel()">Cancel</button>
</ion-col>
<ion-col col-4>
<button ion-button full color="light" (click)="drawClear()">Clear</button>
</ion-col>
<ion-col col-4>
<button ion-button full color="secondary" (click)="drawComplete()">Done</button>
</ion-col>
</ion-row>
</ion-grid>
<div><img [src]="signatureImage" *ngIf="signatureImage" /></div>
</ion-content>
Can you help me? I don’t know what’s wrong