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Type: Bug
Resolution: Fixed
Priority: P2: Important
Fix Version/s: 6.8.5, 6.9.2, 6.10.0 Beta3, 6.11.0 FF
Affects Version/s: 6.8.2
Component/s: GUI: Painting
Labels:
- android_widgets
- reported_by_support_standard

Platform/s:

Android
Commits:
0bbdccb30 (dev), 7a286bd7d (6.10), 512d3f9a1 (6.9), fc150b9f3 (tqtc/lts-6.8)
Sprint:
2025wk08s1QtforAndroid, 2025wk10s1QtforAndroid, 2025wk12s1QtforAndroid, 2025wk22s1-2QtforAndroid, 2025wk26s2QtforAndroid, 2025wk28s2QtforAndroid

Hello. Qt 6.8.2 on Android is basically unusable, because there is a bug when all UI repaints stops. It happens with different widgets, but the easiest way to reproduce it is to build your own example with QLineEdits: https://github.com/qt/qtbase/tree/6.8.2/examples/widgets/widgets/lineedits , and try to input text in first one QLineEdit, as soon as Android keyboard opens - UI stops repainting. I checked on Android 14. You need to look at it & fix it ASAP.

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android-build-debug.apk
14.24 MB
22 Feb '25 15:12
QTBUG-133549_qt680_android15.mp4
2.74 MB
22 Feb '25 09:21
QTBUG-133549_REPRO.mp4
1.46 MB
30 May '25 11:47
QTBUG-133549_REPRO2.mp4
1.10 MB
30 May '25 11:47
video_2025-02-22_16-12-44.mp4
2.03 MB
22 Feb '25 15:13

duplicates

QTBUG-128794 QLineEdit in Android - no text visual

Closed

relates to

QTBUG-137401 QScrollBar attached to QScrollArea visibility is not updated correctly

Open

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For Gerrit Dashboard: QTBUG-133549
#	Subject	Branch	Project	Status	CR	V
655819,4	Imlpement QWidgetPrivate::rhiConfig() to use RHI on Android	dev	qt/qtbase	Status: ABANDONED	0	0
658879,8	Account for already transformed coordinates in QRhiBackingStore::flush	dev	qt/qtbase	Status: MERGED	+2	0
659526,2	Account for already transformed coordinates in QRhiBackingStore::flush	6.10	qt/qtbase	Status: MERGED	+2	0
659623,2	Account for already transformed coordinates in QRhiBackingStore::flush	6.9	qt/qtbase	Status: MERGED	+2	0
659670,2	Account for already transformed coordinates in QRhiBackingStore::flush	tqtc/lts-6.8	qt/tqtc-qtbase	Status: MERGED	+2	0