我正在开发实现推送通知的 Nativescript 应用程序。假设服务器发送推送通知,并且基于通知action
有效负载中提到的,我将不得不在应用程序中重定向。如果用户从抽屉中点击通知并且应用程序在后台,则应该执行此重定向。如果应用程序在前台,则应用程序不应重定向的其他情况。我为此管理了一个标志,如下所示
应用程序.js
application.on(application.launchEvent, function (args) {
appSettings.setBoolean('AppForground', true);
});
application.on(application.suspendEvent, function (args) {
appSettings.setBoolean('AppForground', false);
});
application.on(application.resumeEvent, function (args) {
appSettings.setBoolean('AppForground', true);
});
application.on(application.exitEvent, function (args) {
appSettings.setBoolean('AppForground', false);
});
application.on(application.lowMemoryEvent, function (args) {
appSettings.setBoolean('AppForground', false);
});
application.on(application.uncaughtErrorEvent, function (args) {
appSettings.setBoolean('AppForground', false);
});
并在推送通知侦听器上
var settings = {
// Android settings
senderID: '1234567890', // Android: Required setting with the sender/project number
notificationCallbackAndroid: function(data, pushNotificationObject) { // Android: Callback to invoke when a new push is received.
var payload = JSON.parse(JSON.parse(pushNotificationObject).data);
if (appSettings.getBoolean('AppForground') == false){
switch (payload.action) {
case "APPOINTMENT_DETAIL":
frame.topmost().navigate({
moduleName: views.appointmentDetails,
context: {
id: payload.id
}
});
break;
case "MESSAGE":
frame.topmost().navigate({
moduleName: views.appointmentDetails,
context: {
id: payload.id,
from: "messages"
}
});
break;
case "REFERENCES":
frame.topmost().navigate({
moduleName: views.clientDetails,
context: {
id: payload.id,
name: ""
}
});
break;
default:
}
}
},
// iOS settings
badge: true, // Enable setting badge through Push Notification
sound: true, // Enable playing a sound
alert: true, // Enable creating a alert
// Callback to invoke, when a push is received on iOS
notificationCallbackIOS: function(message) {
alert(JSON.stringify(message));
}
};
pushPlugin.register(settings,
// Success callback
function(token) {
// if we're on android device we have the onMessageReceived function to subscribe
// for push notifications
if(pushPlugin.onMessageReceived) {
pushPlugin.onMessageReceived(settings.notificationCallbackAndroid);
}
},
// Error Callback
function(error) {
alert(error);
}
);
现在的问题是,如果应用程序处于终止状态并且通知到达。然后它将标志设置true
为不应该启动的应用程序。因此,由于没有执行重定向,并且在其他情况下,当应用程序处于前台状态时,它也会在接收通知时浏览页面(不应该)。
我怀疑标志管理是否会导致问题,但不确定。如果我所做的有任何问题,请您指导我吗?
更新
我正在使用push-plugin。
谢谢。