[Q] Track app behavior (URL connection and notification) - Android Q&A, Help & Troubleshooting

Hello everybody,
On my phone (running under Android 4.1.2), I often get a notification "Outlook update" and when I click on this notification, it tries to open a web browser with an URL starting by "ad-x.co.uk". Hopefully, this URL is blocked by "AdAway".
However, I suspect a malicious app on my phone.
Is it possible to get some information on which app has triggered a specific notification or tried to connect to a specific URL?
Thank you for your help.

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[Q] Android app which queries wordpress database for specific message category

I am writing my first app and want to know if I can have my app check a specific WordPress database and display the latest message from a particular message category. And if so, is there suggestions as to how many times it should query while the app is running?
My reason is to be able to post a very short message with the WordPress admin page that will show up only for users of my android app. I don't want their phone to chime a notification when they aren't using my app (that would be annoying I think)...I want anyone who has my app open to get messages I post via WordPress in a relatively quick timeframe.
Suggestions and guidance greatly appreciated.

Android activity log

Hi all,
i am new to Android, and i am trying to find out if an android keeps a log of the when applications were open or used.
e.g. I open Gmail, then Calendar, and I would be able to see on the log what time the app was accessed, or at least last used (which i thinks some versions of Android can do on some mobile models, but not all.
Depending on the mobile brand and model you can check open application, but that is not display in a shape of log.
Is this log exist where can it be found please?
Thank you

App closes automatically

I was using the mapping app gps-tracks.com. When I open it now, a pop-up appears, saying "This app is no longer supported. Please uninstall the app" in German and offering an OK button only. See screenshot at dropbox.com/s/7weviuc5dksmv2w/Screenshot_2019-09-01-22-14-04-781_com.GPSTracks.png.
Whether I click OK or not, a few seconds later the app automatically closes. I thought this pop-up and closing logic is part of a new release of the app. I installed older versions of the app from an apk mirror, apkmonk.com/app/com.GPSTracks/. But the same popup continuous to appear and the app gets closed automatically whatever old release I install. How is this possible? And how can I stop this?
Why I need a solution: From GPS-Tracks I purchased maps for indefinite offline usage. GPS-Tracks was acquired by Outdooractive. They have their own app and are not interested in maintaining the acquired app. So they initiated this change. I contacted them and they gave me a free license for one year for their new app. But I purchased unlimited usage and want to use the maps as long as I can run the apk on whatever Android version I will use. Currently I am on Pie and the last version of the app did run on Pie.
An idea: try to block the network connection just for this app (and also clear its cache just to be sure). Since you already have the maps offline, it would prevent whatever check they have to access the server.
vegesm said:
An idea: try to block the network connection just for this app (and also clear its cache just to be sure). Since you already have the maps offline, it would prevent whatever check they have to access the server.
Click to expand...
Click to collapse
Thanks, vegesm! You hit the nail. When starting the app in airplane mode the popup does not appear and the app does not close. I can even stop airplane mode and continue using the already started app. The cache is not relevant. So, the app receives the instructions for popup and automatic closing from a server each time freshly at startup.
As it is a bit cumbersome to manually start and stop airplane mode each time, I wonder whether I can permanently disrupt the server connection. Possibly I could block the server's IP on a firewall on the device, or install a proxy and let it block or redirect access attempts to the DNS address of the server? How can I find out about the IP or DNS address contacted at app start? And then, what app or configuration allows blocking it?
I've never tried them but as far as I know firewall apps can already block network per app, no need to detect the server ip.

How do I write a Greenify prescription?

Hello.
I'm trying to understand how to write a Greenify prescription.
My main use would be to try annoying promotion notification which can't be turned off.
My current knowledge would be that an app registers with Google Play Services to use FCM, which fires a broadcast data containing notification data to an app's receiver, then the app uses the received broadcast to display the notification.
Is it possible to deregister a specific FCM using app from Google Play Services so maximum amount of battery is conserved?
If it is not possible, how do one find a broadcast to target with prescription? for example, if a notification is shown on the notification shade, will it contain any clues to which receiver is to be targeted?
Thank you bery much.
Do I need to use Greenify or there is an open source alternative to Greenify to achieve the same thing?
emanresu2 said:
Hello.
I'm trying to understand how to write a Greenify prescription.
My main use would be to try annoying promotion notification which can't be turned off.
My current knowledge would be that an app registers with Google Play Services to use FCM, which fires a broadcast data containing notification data to an app's receiver, then the app uses the received broadcast to display the notification.
Is it possible to deregister a specific FCM using app from Google Play Services so maximum amount of battery is conserved?
If it is not possible, how do one find a broadcast to target with prescription? for example, if a notification is shown on the notification shade, will it contain any clues to which receiver is to be targeted?
Thank you bery much.
Do I need to use Greenify or there is an open source alternative to Greenify to achieve the same thing?
Click to expand...
Click to collapse
For how to write prescription: https://greenify.github.io/
Notification can be disabled either for the whole app or for a specific channel.
FCM may post notification on behalf of the app if app is not active, so blocking the broadcast may not work as expected.

Issue with notifications from one single app (N26)

Hello,
this thread is very specific because it's about a single app from a single bank that operates in Europe (N26).
I hope to find someone who has the same bank who can tell their experience.
So the issue is this: if I tap on any notification coming from this app, the notification disappears and the app does not open. For example if I have to confirm the desktop login through the app, I click on the notification and nothing happens, so I have to manually open the app in order to retrieve the popup message and take some action.
Needless to say, I tried to uninstall and reinstall the app on my S21 with no success, and I tried the same with three other phones in my family (Oppo, Huawei, Honor) and with these other phones there are no issues opening the notifications coming from this app, they correctly redirect to the app showing the required popup.
Anyone who can check if they have the same problem?
Or in general has anyone experienced the same problem with some other app? Any suggestions?
Thank you
Edit: I managed to find someone with that bank account and the same device. He tested for me and confirmed this behaviour. So it must be an S21 series problem
Try clearing the system cache... can't hurt.

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