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[Q] Incoming call does not trigger dialer screen

I'm having this issue where the phone doesn't react properly to an incoming call (stock ROM, unrooted).
The phone rings, but the dialer screen with the controls to answer the call does not come up. It doesn't help if the screen is already on, I'm just staring at my home screen while it rings. There's also no call icon in the notification bar. When the caller hangs up, I immediately get a missed call notification.
Rebooting the phone solves the problem for a while, but then it comes back. I tried reverting to the stock dialer with no luck. I'm thinking of reverting to the stock launcher as well, but I'm not sure it has anything to do with it. Other than that I'm running out of ideas.
I've searched the web and it looks like people are experiencing all sorts of variations on this problem, but not the exact same thing, and in any case I haven't seen anyone post a tested workaround.
Has anyone encountered something like this and maybe knows of a solution?

Did you try clearing the data of the phone app in settings > apps?
If not, try that
Sent from my Nexus 5 using Tapatalk

Cannot answer call if another app is open

Stock 4.4.4.
Rooted
Locked
If I am using another app and receive a phone call, I am not able to answer it. The navigation buttons stop responding and the pull down drawer won't allow me to answer. I noticed this behavior over the last few weeks. Its been a headache.
I tried removing all recent apps, clearing cache and rebooting in safe mode. Nothing has helped yet.
Anyone seen this behavior before? Any ideas on what to try?

Nope. Didn't hear chatter about that. Since L preview has released, it's best to flash it as that's a cleaner ROM. Your call will take up only the top part of the screen and you can use the app when you get a call. N if you're flashing, unlock boot loader and don't forget to back up everything before unlocking.

[Q] Lollipop, screen doesn't turn on with incoming calls

I just install the factory image for lollipop. My screen doesn't turn on when I receive incoming calls. The ring tone will play but the screen remain turned off. I want the screen to turn on automatically with the incoming call dialer like kitkat or any other android version. so I can pick up the call. Any one else with this issue? How did you fix it?

idiopathic said:
I just install the factory image for lollipop. My screen doesn't turn on when I receive incoming calls. The ring tone will play but the screen remain turned off. I want the screen to turn on automatically with the incoming call dialer like kitkat or any other android version. so I can pick up the call. Any one else with this issue? How did you fix it?
Click to expand...
Click to collapse
I don't have this issue. maybe you had a bad install

I have the same problem on my N4, I installed the factory image two days ago, but just today I have this problem. When I turn on the screen, the call appears as a notification on the lockscreen, and I have to double tap it to answer it

I have the same issue. I installed the OTA. I had security certificates before which forced me to use a pin lock lock screen (My exchange account requires it). I installed a MOD to remove it so I thought that might be what was causing my problem. I removed the MOD by disabling the exchange APP but it didn't resolve it.

I have the same issue on about 50% of my incoming calls
Sent from my Nexus 7 using Tapatalk

I have this same issue. I even had it on the developers version. I also thought when you got text messages, emails, and other messages. You would get a black and white notification if you moved you hand over the phone. That doesn't work for me either. i have a Nexus 5 Build LRX21O. I installed it with the Nexus Root Toolkit.

I have the same issue on my Nexus 4 side loaded with Android 5.0 Lollipop. The screen won't turn on for any interactive incoming notifications like Phone Calls, Alarm calls..
It's an annoyance as you need to double tap the notification to answer, and the only way to go to speaker phone is to answer -> unlock -> Tap speaker
I checked around and my colleagues who use a Nexus 5 don't have this issue (OTA or Sideloaded). So I think this issue could be with a Nexus 4 build only (selectively that too). I am the only one who've posted this on reddit too.
/r/nexus4/comments/2mjoz7/screen_wont_turn_on_for_incoming_phone_calls/

I can also confirm this bug ... on Nexus 5 with LRX21O.

Same problem!

I have the same problem on my G3, but i didn't even installed Lollipop yet.

Same on my Nexus 5 with LRX21O.

I am having the same problem with my nexus 4, after a clean flash..

I unlocked the bootloader which triggered a full factory-reset and this issue went away on my Nexus 4 which is smoother than before.
I wanted to download a full ROM (since the issue was with OTA update), so was doing a bootloader unlock for the same. But i didn't even have to load up the full ROM as the issue went away.. :laugh:

jsgraphicart said:
I don't have this issue. maybe you had a bad install
Click to expand...
Click to collapse
after i updating my nexus 5 to android 5 during call screen doesn't auto turn off when i covered the screen sensor?

I noticed this too,not on all incoming calls, but on 1 out of 3 the screen stays black.

Do try a full factory-reset guys.. It solved my issue.. This update is really large and important to have such a major annoyance and work with that.. :angel:

gnanaswaroop said:
Do try a full factory-reset guys.. It solved my issue.. This update is really large and important to have such a major annoyance and work with that.. :angel:
Click to expand...
Click to collapse
I made a clean install (wiped everything) and the problem appeared.
I don't think it is a matter of dirty flash..

I also have this problem after installing from ZIP stock ROM (with format all things before).
Then I took a Google image and install it with ADB.
Now I don't have this problem.

screen doesn't turn off
My screen didn't turn off during phone calls with the developer preview and still doesn't with the official factory image from Google.
This is coming from a full flash via fastboot... Don't think this is a dirty flash issue.
Very annoying... No clue how this could be released.

It appears our problems are not related but I was able to fix mine
Nexus 5
OTA Flash
screen is blank for incoming calls and alarms, not periodic
I don't know which app specifically that was causing the problem but the problem went away after I uninstalled a bunch of apps. I am most suspect of a screen brightness app I was using to make the screen more dim than the default setting.

[Q] Phone only rings for about one second and then stops.

After upgrading to lollipop, I have noticed when recieving a call that sometimes my phone will ring for about 1 second and then stop but continue to vibrate. I am not using any quick cover or anything. This doesnt happen all the time but it does happen quite often. Has anyone else had this problem? I'm completely stock on 5.0 (i have deleted my cache partition and the problem still persists)

c4sh said:
After upgrading to lollipop, I have noticed when recieving a call that sometimes my phone will ring for about 1 second and then stop but continue to vibrate. I am not using any quick cover or anything. This doesnt happen all the time but it does happen quite often. Has anyone else had this problem? I'm completely stock on 5.0 (i have deleted my cache partition and the problem still persists)
Click to expand...
Click to collapse
Are you using a custom ringtone?

Aerowinder said:
Are you using a custom ringtone?
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Click to collapse
No, just the stock tones. I find it happening sometimes with my SMS messages as well but not all the time.

Update: I have since unlocked my bootloader (wiped) and rooted my phone and the problem still persist. Seems like I'm not alone, I have starred this so hopefully someone can see it. https://code.google.com/p/android/issues/detail?id=81178#makechanges
Anyone have any suggestions that I could try?

update
I had thought I had fixed the problem by re flashing the stock image of lollipop, the problem went away and my phone started to ring again but shortly its back to only vibrating. I noticed that the little vibrate symbol was popping up in the status bar whenever I received a call, even when I turned off the also vibrate for calls option. I then remembered that when I use the volume butler app and set it to my vibrate profile that symbol would also pop up. I uninstalled volume butler and everything seemed to be working fine. Next I Checked the play store for comments regarding the issue and I noticed two things: There was a recent fix "ringtone changing to silent upon first install" and it said that the app was installed onto my device and not requiring an update even though I had just uninstalled it. So I decided to open it up and it was as if I was starting the app for the first time as none of my previous data was in there for testing purposes I decided to set up the same profiles that I had before and try calling my phone and my phone rang like it should, weird. Perhaps I had two versions and that was the one that I originally uninstalled is that even possible?( I could have sworn I had updated it,as it was under the up to date app list) Regardless, I uninstalled it again and everything is still working as it should. Hoping that this was was the culprit I will continue to test my phone and see.

[Q] Black screen after pressing home...?

Doesn't always happen but on occasion upon pressing the home button the entire screen goes black aside from status bar happen even w/o xposed enabled on stock rom hardware problem or software bug? Phone restart fixes it but it gets annoying restarting it everytime
EDIT: Power menu is also visible I have flashed my phone through flashtool already
z3 d6603

Hi. Did you find a solution to this issue? My Z3 is doing the same.
Thanks.
Sent from my D6603 using XDA Free mobile app

I have a similar problem. Randomly something will cause the screen to completely blank out. I can't see anything but I know the screen still turns on and off when I press the power button because the screen will be dimly lit when on. The only thing I can do is hold the power button down and get the power menu. Restarting fixes it. It has been happening more and more frequently. I am on the tmo rooted lollipop build with xposed.

In stock everything and get this, friends z3 does this to

I don't remember this ever happening on KitKat. It's getting really annoying and it seems to happen randomly. Sometimes on app crash/hang or just when I try to turn the screen on after getting the phone out of pocket. I wonder if its a lollipop thing.

Okay so I figured out that uninstalling the smallapps bar stuff with titanium backup was the root of my problem... if anyone else has done this definitely not a good idea haha

Stock, unmodded, didn't happen once, so I guess software problems (at least I hope for you) :/

try disabling any active app lock... this issue happened in my friends xperia z3 after the lollipop update but disabling/uninstalling app lock works sometimes.....

Did you find a solution? My z3c does exactly the same

do you guys have smart lock enabled ? Or do you have tasker/llama to activate lock/unlock based on position/network cells ?
I'm getting this bug now on a 2 month old Xperia Z3 D6683 more and more frequently and I have location based unlock rules in Llama...
I'm trying "Disable hardware overlay" in developer settings and I will see if it solves the issue.