I have used GCM to get push notifications, now if I Force stop the app from the settings on the Android device, will it be able to get push notifications without restart application...
No. If the user force-stops your app, they are indicating that they do not want your app to run again, for any reason, until they manually launch it again. Your objective is to give the user no reason to force-stop your app. Note that I do mean "force-stop" (i.e., press the "Force Stop" button from Settings) -- ordinary task managers, or swiping from the Recent Tasks list in Android 4.x, does not have this effect.
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It is necessary that even after the application is completely turned off by the user, notifications come from the node server. Tried to do through Broadcastreceiver and Service, but they only output if the app is in the background. I'm considering The firebase messages option, but I can't fully understand if it will work when the application is completely turned off. If there are options as it is possible to make it on another, prompt, please, in what direction to go.
When the user did not force stop(Settings -> app -> Force stop) the app, FCM will work.
It means, Firebase Cloud Messaging will work after user close the app
normally
Users might close my application by swiping them from recent apps because they are used to that. In those cases, users don't get notifications about important events and they are complaining about this. How can I restart a force-closed app so that it will continue to receive FCM messages?
FCM messages are supposed to be received in background. A notification should be shown in the device's tray even if you application is not running / suspended.
I have implemented push notification with OneSingal APIs in my android project. I'm facing an issue while clicking the push notification, that i was unable to launch the specified screen when the user click the push notification, If the user kill the app from background(long press and remove the pplication from list of apps). I have registered the Open/Receiver handlers in application class. Seems like, the handlers are no more visible in the app, when user kill/remove the app from background.
Please help me to resolve the issue.
Unfortunately Android apps are not able to receive notifications when they have been force-closed. This is part of the design of the Android OS.
I am using the local notification plugin for Cordova.
When the app goes to the background on Android and when the app comes to the foreground the notifications are hidden from the notification area.
I can still get them from getById.
How can I get a notification that stays until I cancel or clear them?
Or is this Android specific behaviour?
You should check out the backgroundmode plugin to be able to control it (and the notifications) when it goes to the background. Also from the same author, a good notification plugin.
"Cordova plugin to prevent the app from going to sleep while in background.
Most mobile operating systems are multitasking capable, but most apps dont need to run while in background and not present for the user. Therefore they pause the app in background mode and resume the app before switching to foreground mode. The system keeps all network connections open while in background, but does not deliver the data until the app resumes."
I have used GCM to get push notifications, now if I Force stop the app from the settings on the Android device, will it be able to get push notifications?
I have read many posts that say in this case an app cannot receive notifications.
Is there any possibility to get notifications?
Once you force-stop your app from Settings, your code will not run until something manually runs one of your components (ie the user manually launches an activity).
Therefore after force-stopping your app from Settings, you will not receive GCM messages.
If you want to get notifications you have to manually restart your app.
This is by design since Android 3.1.
Apps that are in the stopped state do not receive broadcast Intents.
Stopped state is:
when the app is initially installed (before the user runs something in
the app) or
after a Force Stop.
You can find more about this here: http://developer.android.com/about/versions/android-3.1.html#launchcontrols