Discussion:
[Android-development] Qt 5.12 RC, Android apps FREEZE
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ekke
2018-11-28 15:38:34 UTC
Permalink
Apps not only freeze on Samsung devices. trying to figure out with my
test users where's the difference to Qt 5.11.2 + Target SDK 26, NDK 10e

it seems that the freeze happens, if

* App started
* doing much network traffic (loading JSON data from server)
* click Home button to send App to background
* reopen App
* App freezes

are there any changes in 5.12 with Android and QNAM or
QNetworkConfigurationManager ?
I'm listening to SLOT(onOnlineStateChanged(bool)

Android devices are connected via WIFI - tomorrow users will test if
also happens if connected to mobile network

thx for any hints
ekke
sent out my apps to test to customers
* Qt 5.12 RC
* QtC 4.8.0 RC1
* Android Build/Target SDK: 28
* NDK 18b
running the apps on Samsung devices (XCover 4, S7, S8) if switching
between apps,
suddenly Qt Apps freeze and after some time Android asks: wait / quit
cannot reproduce this with other Android devices
any ideas what could be wrong ?
(using Qt 5.11.2 apps are running well)
ekke
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https://lists.qt-project.org/listinfo/android-development
Andy Shaw
2018-11-28 16:36:27 UTC
Permalink
This is a known issue which has been reported here: https://bugreports.qt.io/browse/QTBUG-72101

A patch is pending to be included too so you can try that to see if it helps in all your cases.

Andy

Fra: Interest <interest-***@lists.qt-project.org> på vegne av ekke <***@ekkes-corner.org>
Organisasjon: independent softwarearchitect
Dato: onsdag 28. november 2018 16:54
Til: "android-***@lists.qt-project.org" <android-***@lists.qt-project.org>, "***@qt-project.org" <***@qt-project.org>
Emne: Re: [Interest] [Android-development] Qt 5.12 RC, Android apps FREEZE

Apps not only freeze on Samsung devices. trying to figure out with my test users where's the difference to Qt 5.11.2 + Target SDK 26, NDK 10e

it seems that the freeze happens, if
· App started
· doing much network traffic (loading JSON data from server)
· click Home button to send App to background
· reopen App
· App freezes
are there any changes in 5.12 with Android and QNAM or QNetworkConfigurationManager ?
I'm listening to SLOT(onOnlineStateChanged(bool)

Android devices are connected via WIFI - tomorrow users will test if also happens if connected to mobile network

thx for any hints
ekke

Am 27.11.18 um 15:29 schrieb ekke:

sent out my apps to test to customers
· Qt 5.12 RC
· QtC 4.8.0 RC1
· Android Build/Target SDK: 28
· NDK 18b

running the apps on Samsung devices (XCover 4, S7, S8) if switching between apps,

suddenly Qt Apps freeze and after some time Android asks: wait / quit

cannot reproduce this with other Android devices

any ideas what could be wrong ?

(using Qt 5.11.2 apps are running well)

ekke



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Android-development mailing list

Android-***@lists.qt-project.org<mailto:Android-***@lists.qt-project.org>

https://lists.qt-project.org/listinfo/android-development
ekke
2018-11-28 16:46:47 UTC
Permalink
Hi Andy,

now it makes sense. every time the user sends data he enters some value
into a textfield.

great to know that a fix will come soon.

ekke
Post by Andy Shaw
https://bugreports.qt.io/browse/QTBUG-72101
 
A patch is pending to be included too so you can try that to see if it
helps in all your cases.
 
Andy
 
*Organisasjon: *independent softwarearchitect
*Dato: *onsdag 28. november 2018 16:54
*Emne: *Re: [Interest] [Android-development] Qt 5.12 RC, Android apps
FREEZE
 
Apps not only freeze on Samsung devices. trying to figure out with my
test users where's the difference to Qt 5.11.2 + Target SDK 26, NDK 10e
 
it seems that the freeze happens, if
·         App started
·         doing much network traffic (loading JSON data from server)
·         click Home button to send App to background
·         reopen App
·         App freezes
are there any changes in 5.12 with Android and QNAM or
QNetworkConfigurationManager ?
I'm listening to SLOT(onOnlineStateChanged(bool)
 
Android devices are connected via WIFI - tomorrow users will test if
also happens if connected to mobile network
 
thx for any hints
ekke
 
sent out my apps to test to customers
·         Qt 5.12 RC
·         QtC 4.8.0 RC1
·         Android Build/Target SDK: 28
·         NDK 18b
running the apps on Samsung devices (XCover 4, S7, S8) if
switching between apps,
suddenly Qt Apps freeze and after some time Android asks: wait / quit
cannot reproduce this with other Android devices
any ideas what could be wrong ?
(using Qt 5.11.2 apps are running well)
ekke
_______________________________________________
Android-development mailing list
https://lists.qt-project.org/listinfo/android-development
ekke
2018-11-29 08:56:39 UTC
Permalink
just noticed that there will be a 5.12 RC2 - hopefully this fix will be
part of RC2
Post by ekke
Hi Andy,
now it makes sense. every time the user sends data he enters some
value into a textfield.
great to know that a fix will come soon.
ekke
Post by Andy Shaw
https://bugreports.qt.io/browse/QTBUG-72101
 
A patch is pending to be included too so you can try that to see if
it helps in all your cases.
 
Andy
 
*Organisasjon: *independent softwarearchitect
*Dato: *onsdag 28. november 2018 16:54
*Emne: *Re: [Interest] [Android-development] Qt 5.12 RC, Android apps
FREEZE
 
Apps not only freeze on Samsung devices. trying to figure out with my
test users where's the difference to Qt 5.11.2 + Target SDK 26, NDK 10e
 
it seems that the freeze happens, if
·         App started
·         doing much network traffic (loading JSON data from server)
·         click Home button to send App to background
·         reopen App
·         App freezes
are there any changes in 5.12 with Android and QNAM or
QNetworkConfigurationManager ?
I'm listening to SLOT(onOnlineStateChanged(bool)
 
Android devices are connected via WIFI - tomorrow users will test if
also happens if connected to mobile network
 
thx for any hints
ekke
 
sent out my apps to test to customers
·         Qt 5.12 RC
·         QtC 4.8.0 RC1
·         Android Build/Target SDK: 28
·         NDK 18b
running the apps on Samsung devices (XCover 4, S7, S8) if
switching between apps,
suddenly Qt Apps freeze and after some time Android asks: wait / quit
cannot reproduce this with other Android devices
any ideas what could be wrong ?
(using Qt 5.11.2 apps are running well)
ekke
_______________________________________________
Android-development mailing list
https://lists.qt-project.org/listinfo/android-development
_______________________________________________
Android-development mailing list
https://lists.qt-project.org/listinfo/android-development
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