请，如果有人知道如何解决。.
我用离子和onesignal制成了pwa。一切都很好，直到我关闭了pwa ...
在那之后，onesignal失去了通知的权限，您必须再次进行选择。
接下来的代码。
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="UTF-8">
<title>Ionic App</title>
<meta name="viewport" content="viewport-fit=cover, width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="format-detection" content="telephone=no">
<meta name="msapplication-tap-highlight" content="no">
<link rel="icon" type="image/x-icon" href="assets/icon/favicon.ico">
<link rel="manifest" href="manifest.json">
<meta name="theme-color" content="#4e8ef7">
<!-- add to homescreen for ios -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<!-- cordova.js required for cordova apps (remove if not needed) -->
<script src="cordova.js"></script>
<!-- un-comment this code to enable service worker -->
<script>
if ('serviceWorker' in navigator) {
navigator.serviceWorker.register('service-worker.js')
.then(() => console.log('service worker installed'))
.catch(err => console.error('Error', err));
}
</script>
<link href="build/main.css" rel="stylesheet">
</head>
<body>
<!-- Ionic's root component and where the app will load -->
<ion-app></ion-app>
<!-- The polyfills js is generated during the build process -->
<script src="build/polyfills.js"></script>
<!-- The vendor js is generated during the build process
It contains all of the dependencies in node_modules -->
<script src="build/vendor.js"></script>
<!-- The main bundle js is generated during the build process -->
<script src="build/main.js"></script>
<noscript>
This application needs JavaScript to work, please enable JavaScript on your browser
</noscript>
<script src="https://cdn.onesignal.com/sdks/OneSignalSDK.js" async=""></script>
<script>
var OneSignal = window.OneSignal || [];
OneSignal.push(function () {
OneSignal.init({
appId: "XXXXXXXXXXXXXXXXXXXXX",
});
});
</script>
</body>
</html>
在方法构造函数中
this.oneSignal.startInit('xxxxxx', 'xxxxxxxxxx');
this.oneSignal.inFocusDisplaying(this.oneSignal.OSInFocusDisplayOption.InAppAlert);
this.oneSignal.handleNotificationReceived().subscribe(data => this.onPushReceived(data.payload));
this.oneSignal.handleNotificationOpened().subscribe(data => this.onPushOpened(data.notification.payload));
this.oneSignal.endInit();
}
private onPushReceived(payload: OSNotificationPayload) {
alert(payload.body);
}
private onPushOpened(payload: OSNotificationPayload) {
alert(payload.body);
}
如果有人可以帮助，我将不胜感激。