S7 app drawer randomly opening whatsapp chat window - Samsung Galaxy S7 Questions and Answers

when i open the apps drawer there would be times where my phone will randomly open up whatsapp chat window. i cant seem to reproduce this but it has happened many times and i was wondering if i was triggering some short cut or something which causes it to do that. even though i might be using another app before going to the app drawer, it would still open up whatsapp. it hasnt opened up any other apps though. any idea what could be triggering this?

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Apps Closing After GPE ROM Install

Hi all,
I recently installed the 5.1 GPE ROM and noticed that apps close unexpected, usually when they are in the background but sometimes when I am still using them. For example, the most annoying thing that happens it that I will be using the Facebook chat heads and suddenly either the overlay will close or the entire Messenger app will close. If I try to open it again from the app switcher, a dialogue saying "Unable to open Messenger" will pop up and I have to launch it again from the home screen. I also have an IRC app that I usually leave running in the background. After anywhere between 10 minutes and an hour, the app will close and the icon will disappear from the notification bar. The two given examples usually happen at the same time; it's almost like having an overzealous app killer.
Thanks in advance for any help!

Notification Menu Lag

Whenever I receive a text or Google hangouts message, I normally pull down the notification Menu and tap the message to take me to the chat (within Google hangouts app). I've noticed when accessing a message from the notification panel, there is very long lag/delay until the actually message opens up. Anyone know what might be causing this ?
Sent from my SM-N920T using Tapatalk
I've noticed this too, it was also happening to me on the s6 edge.
Its the way that Samsung has its memory management set up. It basically closes the app and when you relaunch it, it has to start up fresh. Same thing happens if you start up an app normally, hit the home button and try going back into the app. Especially if its a larger app like a game. The phone closes it out to keep the system memory free. If you are rooted, try this, will probably fix the issue for you guys http://forum.xda-developers.com/note5/development/arter97-kernel-galaxy-note-5-t3189907
johnomaz said:
Its the way that Samsung has its memory management set up. It basically closes the app and when you relaunch it, it has to start up fresh. Same thing happens if you start up an app normally, hit the home button and try going back into the app. Especially if its a larger app like a game. The phone closes it out to keep the system memory free. If you are rooted, try this, will probably fix the issue for you guys http://forum.xda-developers.com/note5/development/arter97-kernel-galaxy-note-5-t3189907
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Click to collapse
With hardware like this I'm shocked that it has this issue. My nexus 5 blazes through app switching and notifications with no lag, maybe a software patch will come in the future.
Sent from my SM-N920T using Tapatalk
I totally agree. My Nexus 6 had no issues either.
This is actually caused by the 5 second delay built into Android. Basically, there's a 5 second window after pressing Home (from another app) that the system won't launch/open an activity (opening Hangouts after pressing Home and then tapping a notification from the drawer). It goes as far back as 1.6: https://code.google.com/p/android/issues/detail?id=4536
Here's an Xposed module to prevent the 5 second delay: http://forum.xda-developers.com/xposed/modules/stopswitchdelay-remove-5s-delay-to-apps-t2688574
Here's a stackoverflow thread with possibly useful information: http://stackoverflow.com/questions/...-after-home-button-pressed-without-the-5-seco
whittikins said:
This is actually caused by the 5 second delay built into Android. Basically, there's a 5 second window after pressing Home (from another app) that the system won't launch/open an activity (opening Hangouts after pressing Home and then tapping a notification from the drawer). .... [snipped]... Here's an Xposed module to prevent the 5 second delay: http://forum.xda-developers.com/xposed/modules/stopswitchdelay-remove-5s-delay-to-apps-t2688574http://stackoverflow.com/questions/...-after-home-button-pressed-without-the-5-seco
Click to expand...
Click to collapse
one of the first xposed modules i installed after rooting and loading a deodexed rom...

How to keep Apps running in the Background?

Hi everyone, ever since the update, my apps stop running in the background when I close the app. Example: I don't get Whatsapp notifications anymore unless I open the app and keep it open. If I close all open apps, I will no longer receive any of the notifications for any of them.
I went into the battery settings disabled battery saver mode but that didn't do anything.
I would appreciate any help you could provide.
DominionChamber said:
Hi everyone, ever since the update, my apps stop running in the background when I close the app. Example: I don't get Whatsapp notifications anymore unless I open the app and keep it open. If I close all open apps, I will no longer receive any of the notifications for any of them.
I went into the battery settings disabled battery saver mode but that didn't do anything.
I would appreciate any help you could provide.
Click to expand...
Click to collapse
It's apparently one of the issues with the latest OTA update, where closing all running apps will terminate the background processes associated with the apps closed. Prior to the update and the Close All button being added to the recent apps list, I don't think it had this problem (I don't use Whatsapp, but my Skype and Discord notifications still come through even if I don't have them on my recent apps list).
This is a little frustrating. Noticed that I wasn't getting any notifications from tasker, pushover, textra, hangouts, inbox and etc.
Also noticed that pushover will not update unless it is off of wifi. All my other devices receive notifications on this wifi. IE nothing blocked.
I have had to open all the programs that I want to receive notifications from, open. Not the best work around.
J
I noticed that on occasion there will be small text under the new button that says "long press to set up apps that could run in the background" I do it but it doesn't seem to do anything, maybe free up some of the RAM but that's about it. I'm wondering if there is a bug and if it's supposed to show something.
Has anyone else tried the long press?
As of now all I do is keep a folder on the desktop labeled background apps. It helps big time when I accidentally tap the close all button. But my solution as of now is to keep things open that don't seem to work in the background. I've been experimenting with what works and it seems like in some recent app updates they begin to work without being open. I know for sure that facebook and now facebook messenger work without being open, as well as some google services. I have a memory clearer app that I use when I'm not using my phone so it clears whatever it can without killing the apps. But that's what I have as of now, trial and error to figure out what I need to leave open and what I can close. And I strongly recommend the folder, I have had many times where I accidentally close everything and forget what I had to leave open.
It's a bummer though, I just bought the phone and then this update came out. Kinda kills the excitement of getting a new awesome phone if I have to deal with this frustration :/ Other than that, it's definately a nice step up from a Samsung S4.
Jmoore4 said:
I noticed that on occasion there will be small text under the new button that says "long press to set up apps that could run in the background" I do it but it doesn't seem to do anything, maybe free up some of the RAM but that's about it. I'm wondering if there is a bug and if it's supposed to show something.
Has anyone else tried the long press?
As of now all I do is keep a folder on the desktop labeled background apps. It helps big time when I accidentally tap the close all button. But my solution as of now is to keep things open that don't seem to work in the background. I've been experimenting with what works and it seems like in some recent app updates they begin to work without being open. I know for sure that facebook and now facebook messenger work without being open, as well as some google services. I have a memory clearer app that I use when I'm not using my phone so it clears whatever it can without killing the apps. But that's what I have as of now, trial and error to figure out what I need to leave open and what I can close. And I strongly recommend the folder, I have had many times where I accidentally close everything and forget what I had to leave open.
It's a bummer though, I just bought the phone and then this update came out. Kinda kills the excitement of getting a new awesome phone if I have to deal with this frustration :/ Other than that, it's definately a nice step up from a Samsung S4.
Click to expand...
Click to collapse
does it misbehave after rebooting? or all the time?
sensorsweep said:
does it misbehave after rebooting? or all the time?
Click to expand...
Click to collapse
Misbehave as in not show anything after a long press?
Yes, nothing happens anytime I try it. After reboot, the first time I pull up the running apps is when I get the prompt. After the first long press after a reboot, the prompt is gone. If I have an app open and then I do the long press, I am taken back to the desktop, but no matter what I try, nothing seems to happen after the long press other than being taken back to the desktop if I had an app open.
I have the same issue, I thought it was a Internet connection issue (see my thread) but after digging deeper realised my background apps werent running after closing them and the long press option does nothing.
I have the same problem. Any solution?
MatisasB said:
I have the same problem. Any solution?
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Click to collapse
I've just installed the new update and it looks like the issues I had with background apps closing when clearing all apps has been fixed. I've got no apps running in the foreground yet can see Whatsapp, Fitbit, etc still running and I'm receiving notifications for them.

Mate 9 Recent Apps Keep disappearing !?

Had this phone a week now, mainly pleased apart from a few annoying bugs, video recordings jitter and stutter, touch screen sometimes not responding, However the thing that is annoying me the most is after a while apps I've opened keep disappearing from recent apps, and I can tell it's closing them because there is a delay when I run the same app again even though it should be in memory ! I've disabled all power intensive crap notifications and stopped it from closing anything but are still being forced closed, facebook, Instagram, gmail etc, my nexus 6p doesn 't do this and still shows recent apps from weeks ago not a few hours.
Bump,
Wow no one else has noticed apps you've opened after a while disappear from recent apps ? I've never owned a single android phone that does this apart from this one.
It happens to me to, it doesn't show the apps anymore in recents for some reason but when I open them it's there instantly like it's kept in memory. Only happens when my device is sleeping for a long time.
Sammath said:
It happens to me to, it doesn't show the apps anymore in recents for some reason but when I open them it's there instantly like it's kept in memory. Only happens when my device is sleeping for a long time.
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I think it seems it's in memory because it's so quick but I think they are being closed, never had this problem with my Nexus 6p
Yes this is happening to me too with China version AL00C00...every morning I'm locking in recent apps list Facebook, messenger, viber, Instagram because I want notifications to comes instantly from this apps... That's the only way.... Anyway I had noticed that sometimes after 10 or 15 hours some of them disappear from the list but still running... When I open them they start instantly and I can see that they still locked again in recent apps...
I don't know why this happens...
Im on B167 rom...
tsiglas said:
Yes this is happening to me too with China version AL00C00...every morning I'm locking in recent apps list Facebook, messenger, viber, Instagram because I want notifications to comes instantly from this apps... That's the only way.... Anyway I had noticed that sometimes after 10 or 15 hours some of them disappear from the list but still running... When I open them they start instantly and I can see that they still locked again in recent apps...
I don't know why this happens...
Im on B167 rom...
Click to expand...
Click to collapse
I don't know whats going on but I've even disable these social apps from the "ignore optimization" battery fields and sometime some apps are still disappearing, not had this problem on any phone i've owned previously.

Samsung Messages bug

Using an S10 5G on the latest Korean firmware, rooted with magisk. I use 3 point navigation gestures along with one handed+ and Nova Launcher 7.
Problem: Every now and then when I'm using the phone, the screen will blink once. When that happens, the Samsung Messages app appears in my recents as a sort of blank app. If I try to switch to it, its a blank screen.
Uninstalling the app is not an option because for some reason, other messaging apps don't work (message sending fails instantly).
Has anyone else experienced something like this?
P. S. Just as I was typing this post, it happened. I've attached a screenshot.
The other SMS apps don't work because of the lack of a service center number that is used to send SMS. Those apps have no setting for it.
No one experienced this? :/
Solved.
First I found a solution for the SMSC problem that prevented third party SMS apps from working. The app NetMonster allowed me to manually update the SMSC. Once it was set, third party apps started working.
Next step? Uninstall com.samsung.android.messaging using adb.
Problem solved.

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