作者:西羽易 | 来源:互联网 | 2023-02-08 16:03
如果收到通知,我会尝试更改徽章的价值,但如果您有任何想法可以帮助我,我不会来交换.
tabs.ts
import { Component, ViewChild } from '@angular/core';
import { SQLite, Dialogs, Firebase } from 'ionic-native';
import { NavController, Platform, Tabs } from 'ionic-angular';
import { HomePage } from '../home/home';
import { NotificationPage } from '../notification/notification';
import { MessagesPage } from '../messages/messages';
import { MoiPage } from '../moi/moi';
import {GlobalVars} from '../../providers/varglobal'
import {Injectable} from '@angular/core';
@Injectable()
@Component({
templateUrl: 'tabs.html'
})
export class TabsPage {
// this tells the tabs componnent which Pages
// should be each tab's root Page
@ViewChild('myTabs') tabRef: Tabs;
public database: SQLite;
public people: Array;
public home:any='';
tab1Root: any = HomePage;
tab3Root: any = NotificationPage;
tab4Root: any = MessagesPage;
tab5Root: any=MoiPage;
constructor(private platform:Platform,private nav:NavController,public lan: GlobalVars) {
this.platform.ready().then(() => {
Firebase.onNotificationOpen()
.subscribe(res => {
if(res.tap) {
// background mode
console.log(res.tap);
console.log(res);
} else if (!res.tap) {
// foreground mode
let num=parseInt(this.lan.getbadgeHome());
num=num+1;
alert(num+' home');
this.home=num;
alert(this.home);
}
});
});
}
tabs.html
事实上,我设法检索通知并增加变量num并将其放在变量home中,但徽章的值不会改变
1> Phillip Hart..:
根据您的标签示例,这应该有效:
使用简单的控制器:
export class TabsPage {
tab1Root: any = SomePage;
tab1BadgeCount : number = 0; // default 0
constructor() {
}
incrementBadgeCount(){
this.tab1BadgeCount = this.tab1BadgeCount+1;
}
decrementBadgeCount(){
this.tab1BadgeCount = this.tab1BadgeCount-1;
}
}
您可以将这些方法挂钩到一个按钮进行测试.
但是,我建议使用事件来控制徽章数量的更改,例如
export class TabsPage {
tab1Root: any = SomePage;
tab1BadgeCount : number = 0; // default 0
constructor(public events: Events) {
}
incrementBadgeCount(){
this.tab1BadgeCount = this.tab1BadgeCount+1;
this.publishBadgeCountUpdate();
}
decrementBadgeCount(){
this.tab1BadgeCount = this.tab1BadgeCount-1;
this.publishBadgeCountUpdate();
}
}
subscribeToBadgeCountChange(){
// Method to run when tab count changes
return this
.events
.subscribe("tabs-page:badge-update", this.refreshBadgeCount());
}
publishBadgeCountUpdate(){
// Call this method when you have changed the count
return this
.events
.publish("tabs-page:badge-update");
}
refreshBadgeCount(){
// This method will be called when incrementBadgeCount or decrementBadgeCount are executed.
// The beauty of the events approach is that you can cause a change to the tab count from any other view, without referencing the tabs page directly.
}
ionViewWillEnter() {
this.subscribeToBadgeCountChange();
}
}