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Fiio X7 Android 5.1.1 - strange launcher behaviour - Please help

Hi Guys,
The Fiio X7 is an android based DAP, it's recently received an update to Lollipop 5.1.1. The device can be rooted using Kingoroot / kingroot.
It has a default launcher called 'Launcher3' which I believe is the AOSP launcher and is also able to be set to what they call 'Pure Music Mode' where the launcher can be set to their Music application (apparently closes all background processes). This can be toggled in the quick settings pulled down from the top.
I am able to install a new launcher - Nova for instance, but cannot set it as default, when the option is selected within Nova, the default launcher immediately pops back up and Nova seems to be shut down (not in the recent apps list). This occurs with any other launcher.
Checking any Launcher within Apps the 'Launch by defaults' section states 'No defaults set' and the 'Clear Defaults' button is greyed out. Default launcher applications don't seem to work either.
So the launcher lives in /system/Launcher3/Launcher3.apk and I've managed to replace this with the Nova launcher apk after renaming it to Launcher3.apk via adb push. This causes the Launcher 3 to throw up errors as expected, but after rebooting the Nova launcher works fine as the default launcher. Even persists after shutting the device down / rebooting it etc.. at this point I thought I had solved the problem...
However leaving the device on for some time, something happens and the Nova launcher process seems to be killed. After this occurs, it goes into the 'Pure Music Mode' launcher, pressing the home button does nothing, and as this isn't an actual launcher means that no applications or anything can be launched. The only way to get things working properly again is to re-flash the firmware (it is a update.img) using Fiio's application leaving me stuck with the default horrid launcher....
It seems that somehow and for some reason Fiio have baked the launcher into the firmware making it impossible to change it's behaviour. I'm hoping someone here can shed some light on how to eradicate this.
Thanks
Paul

Mate 9 occasionally defaults to stock launcher even though using Nova.

Hi all,
I've had a strange experience recently where at least once or twice a day whenever I close an app the phone defaults to stock launcher rather than Nova ( Nova is selected as default launcher)
I then have to manually go into settings and reselect Nova as default launcher.
Anyone having this issue or have any idea how to fix?
Thanks.

Me. mAny many many and many times. I give up of using nova launcher and I am using the horrible native launcher. Completely annoyed.

I am using nova for the past week. The only time I had this issue was when I tried to add a widget that is specific to the native launcher. I supposed you have added the launcher to ignore optimization?

I've got the same problem. Do you have the MHA-AL00? On the AL00 I definitely have this problem, but I don't remember having this problem on the L29. Yesterday, I set it for Nova to ignore battery optimizations, and it's been okay since then, though. Not sure how much that matters.
Edit: Literally ten seconds after typing this message, my phone went back to default launcher, so that's not how it's solved unfortunately.

There is a Nova setting called "Agressive Desktop". Enabling it seems to have fixed the issue.
A day later: Confirming that it works!!
===
This is Chinese model MHA-AL00

I've selected the aggressive desktop option...Will see what happens. I think this is specific to the Chinese ROM ( my handset is Chinese )
As an aside I dont see an option for a daydream clock in my ROM?

Smart Launcher here, no probs!

Didn't work for me. Still switches back despite enabling aggressive desktop.

There is one thing you can try, and that is to lock it in the recent apps list. Nova launcher settings won't show up if you are currently using the launcher. So set the default launcher to Huawei Home first. Then open Nova launcher and goto nova settings.
Press the home button, which should take you back to Huawei Home. Press recent apps. Nova settings should now show up in the recent apps. Press the little lock icon and lock it.
Not sure if it will work for you. So far it is okay for me.

Have tried the recent app lock mate... Thanks for the tip!

I just find all the Chinese android versions have super aggressive app kill properties, even after you go through all the optimisation and turning it off it still does it. The final jigsaw always seem to be locking the app into memory in the recent apps list. I had a xiaomi previously and that phone used to kill things even locked in recent apps -.-

Also was using the phone with Assistance & voice input setting changed to launcher 3 and trusted agent set to Smart Lock (Google). Today Smart Lock randomly popped up with my home address.
So right now I also have it auto unlocked while at home (not via bluetooth only). Now the problem is I cannot access the setting again

I agree. I did stop buying their phones for this reason but couldn't resist the mate 9

Hmmm... This was an issue that really bugged me, but it works now. Nova stays as default, and it's solid. Besides the Aggressive Desktop, I gave Nova all the possible permissions, so re-check that.

Tried aggressive desktop as well as locking in recent but nothing seems to work. Any other ideas?

Huawei Launcher wants to rule the day? Other launchers crashing.

This is on an MHA-L09. I would prefer to use Nova or the Google launcher, anything but the Huawei stock launcher, but am having issues.
Nova Prime is crashing, or so it is reported by the Huawei Launcher that Ithen replaces it, with a warning that I should uninstall the Nova Launcher. I cannot see a pattern to when Nova crashes.
I have a seperate issue with the Google Launcher. This sometimes finds itself caught in a desktop refresh loop - the desktop will go black, the background image will be re-drawn, then the icons and widgets, then it will blank again. While this loop is happening, I can draw down the notification shade and the screen will stay on, roll up the shade and the refresh loop continues.
So,
a). has anyone else found the same and has solutions, or
b). are there any crash logs that I can look at to see why this might be happening, for either Nova or Google Launchers?
This has happened over a few versions. I have also done a factory reset and the prblem continues. After the reset I did do a re-install from a back-up, so I may have just reloaded what ever is causing the problem, hence my keeness to find logs to help see where the problem may be.

I used to have this problem also but tried Microsoft launcher and I'm hooked.
Ever since, I haven't gone back to huawei or nova

Mine is a L29, USA version, no issues with Nova Prime here.

This issue is definitely caused by using your backup. If I recall correctly the crashing was a nova bug after an android update and has since been fixed, but if you use a backup created before the fix it will cause the same issue again. Simply do a clean nova install and ditch your backup and it will work like a charm again.

Default Launcher Problem

Hi all,
I'm totally stuck with this one, I'm using NovaLauncher as my default home app, at least i want to, but it keeps getting reset / reverted to the Huawei Home app no matter what i seem to do whenever i reboot the phone and nobody seems to have an soloution, that i can find anyway.
I've changed default app (apps > settings > default app settings > launcher) and (default app settings > special access > write system settings) switching NovaLauncher to Yes / Huawei Home to No. I've also tried "Aggressive Desktop" in NovaLauncher Settings > Advanced, none of which solve it.
I've read before that having Bluetooth enabled can cause this, mine just happens whenever i reboot, it's EXTREMELY annoying. I've only noticed this problem after i had a few OTA updates. I'm currently on the latest update it's giving me which is BLN-L21C432B377.
Really hoping somebody has a method to fix this, it's drivin me crazy
Thanks!

Strange. I am on EMUI 8 and no such problems. Maybe try reinstalling the app?

Mannan Qamar said:
Strange. I am on EMUI 8 and no such problems. Maybe try reinstalling the app?
Click to expand...
Click to collapse
I've seen this problem be posted a couple of times on XDA but they were in different Honor device sections i think. I'll try reinstalling now and let you know how it goes :good:

androidhippie said:
I've seen this problem be posted a couple of times on XDA but they were in different Honor device sections i think. I'll try reinstalling now and let you know how it goes :good:
Click to expand...
Click to collapse
FWIW, I'm having the same issue. I feel like it started with the August (July?) security update. I haven't tried a reinstall of Nova because I'd rather have to take 1 minute to set Nova as default with every time I reboot vs. take the time big hit to get all my other preferences (desktop, icons, etc) sorted following a remove/reinstall of Nova. But yes, it's driving me crazy, too.

Mannan Qamar said:
Strange. I am on EMUI 8 and no such problems. Maybe try reinstalling the app?
Click to expand...
Click to collapse
hereusethis said:
FWIW, I'm having the same issue. I feel like it started with the August (July?) security update. I haven't tried a reinstall of Nova because I'd rather have to take 1 minute to set Nova as default with every time I reboot vs. take the time big hit to get all my other preferences (desktop, icons, etc) sorted following a remove/reinstall of Nova. But yes, it's driving me crazy, too.
Click to expand...
Click to collapse
Well bugger me sideways lol, sometimes you end up doing all the more complicated things and neglect the most obvious! I reinstalled Nova Launcher and everything has been fine since, rebooting etc, working like it should, cheers Mannan :good:
Hey hereusethis try reinstalling too and yeah i'm sure it started happening around the same time frame for me too! Don't worry it's painless, in the Nova Launcher Settings scroll right to the bottom you'll see Backup & Import Settings. Make a backup there, uninstall the app / reinstall and go back down to Backup but this time choose Import, all your settings etc will come straight back
So far so good, hope it sticks, like i said though it always reset the launcher after rebooting the phone, hasn't done that and i rebooted plenty to test it. Thanks again :good:

Glad to help.

Launcher keeps switching back to Default Launcher - Help :-(

I'm noticed a really odd issue.
I've finally switched to gesture controls and I'm finding that if i turn the phone off and back on the system switches back to the 'default' launcher and also every now and then the 'home' gesture will switch to the default launcher
Usually launcher is 'Action Launcher'
Anyone else having the same issue or any idea how to solve this?
Note: I didnt get this issue when using virtual buttons.

Yes, I've experienced this and it is a known Oppo issue. You can get around the problem by doing the following (although you'll have to repeat it whenever you reboot the phone).
1. Go into settings -> App management -> Default app and set the Home app to System Launcher.
2. Repeat the above but this time select your launcher of choice.
It's not at all clear why this should work but, as other users also report, it does.

My Joying Head Unit will operate correctly for a while but then reverts to the stock launcher. I do not have gestures turned on. Happens for Car Launcher Pro and Agama as well. Updating firmware fixed the problem for a while, but a month or so later it is back. Any thoughts?

Same problem here, just started recently.

Siksnot said:
Same problem here, just started recently.
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Click to collapse
Can you think of anything that may have caused it? I updated a number of Apps (including Google Services, Agama, etc) just prior to the problem occurring this time. I had automatic updates turned on, but have since turned them off.

carroamer said:
Can you think of anything that may have caused it? I updated a number of Apps (including Google Services, Agama, etc) just prior to the problem occurring this time. I had automatic updates turned on, but have since turned them off.
Click to expand...
Click to collapse
I haven't touched it in months, I had Nova launcher running without any problems since Feb. One morning last week, I turn on my truck and the stock launcher loaded. Now everytime I change default launcher it revert back to the stock one. Ive also tried web launcher guru, same thing.