Ana*_*Raj 6 typescript ionic2 ionic3 angular
我在我的项目中实现了toast使用.目前我正面临重复消息的问题.有没有办法防止ionic2/angular2中的toast消息重复/重叠ToastControllerionic2toast
(注:指复制,当我点击一个按钮,我显示敬酒,如果我点击同一个按钮多次敬酒的消息重叠的)?
export class <className>{
constructor(private toast:ToastController){
}
showToast(message) {
let toast = this.toastCtrl.create({
message: message,
duration: 2000,
position: 'bottom'
})
toast.present();
}
}
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我在点击按钮时调用此方法.
任何帮助深表感谢.
在显示新的吐司之前,您可以使用该页面上的属性来了解是否正在显示吐司。
import { ToastController, Toast } from 'ionic-angular';
// ...
private isToastVisible: boolean;
constructor(private toastCtrl: ToastController) { }
presentToast() {
if(this.isToastVisible) {
return;
}
this.isToastVisible = true;
const toast: Toast = this.toastCtrl.create({
message: 'User was added successfully',
duration: 3000,
position: 'top'
});
toast.onDidDismiss(() => {
this.isToastVisible = false;
});
toast.present();
}
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import { ToastController } from '@ionic/angular';
// ...
private isToastVisible: boolean;
constructor(private toastCtrl: ToastController) { }
presentToast() {
if(this.isToastVisible) {
return;
}
this.isToastVisible = true;
this.toastCtrl.create({
message: 'User was added successfully',
duration: 3000,
position: 'top'
}).then((toast: HTMLIonToastElement) => {
toast.onDidDismiss().then(() => {
this.isToastVisible = false;
});
toast.present();
})
}
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