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Type: Bug
Resolution: Fixed
Priority: P2: Important
Fix Version/s: 5.15.7, 6.2.1, 6.3.0 Alpha
Affects Version/s: 6.2.0 Beta2
Component/s: GUI: Basic Input System (keyboard, mouse, touch)
Labels:
None

Platform/s:

Android
Commits:
2630c15a3de65d118afd11bbeb349a415a4aa1d0 (qt/qtbase/dev) de9505a8942ef4068755893c648f6538ebcf3880 (qt/qtbase/6.2.1) dfaf64824b99a33d60081c526a5b4888810bad5f (qt/qtbase/5.15) dbf21da8a66e4cf1a050792c3a5816d2c686a846 (qt/qtbase/5.15.7)

With an example with one text field, then writing something and clicking enter key, the app might become slow and laggy, the app logs give the following logs that seem to be spamming the logs as in a infinite loop of logs.

W libqtbug_95300_armeabi-v7a.so: QObject: Cannot create children for a parent that is in a different thread.
W libqtbug_95300_armeabi-v7a.so: (Parent is QGuiApplication(0xbfde4268), parent's thread is QThread(0xee0b0990), current thread is QThread(0xee0b8b90)
V Binder  : BinderProxy map growth! bucket size = 20 total = 1735
W IInputConnectionWrapper: endBatchEdit on inactive InputConnection
W IInputConnectionWrapper: beginBatchEdit on inactive InputConnection
W IInputConnectionWrapper: endBatchEdit on inactive InputConnection
W IInputConnectionWrapper: beginBatchEdit on inactive InputConnection
W IInputConnectionWrapper: endBatchEdit on inactive InputConnection
W IInputConnectionWrapper: setComposingRegion on inactive InputConnection
W IInputConnectionWrapper: beginBatchEdit on inactive InputConnection
W IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection
W IInputConnectionWrapper: getTextAfterCursor on inactive InputConnection
W IInputConnectionWrapper: getSelectedText on inactive InputConnection
W IInputConnectionWrapper: endBatchEdit on inactive InputConnection
W IInputConnectionWrapper: beginBatchEdit on inactive InputConnection
W IInputConnectionWrapper: getTextBeforeCursor on inactive InputConnection
......

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hide_keyboard_log.txt
62 kB
12 Oct '21 09:25

relates to

QTBUG-58013 Cursor position changes not properly passed to input method

Open

QTBUG-93414 Qt Quick application stuck in a cursor update loop

Closed

QTBUG-96560 Android: Keyboard does not show up again if it has been closed with back button in some devices

Closed

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For Gerrit Dashboard: QTBUG-95669
#	Subject	Branch	Project	Status	CR	V
376424,1	Android: Fix handling of cursor update	dev	qt/qtbase	Status: ABANDONED	0	0
376543,2	Revert "[Android] Remove signal and slot mechanism to listen states in editor's"	dev	qt/qtbase	Status: MERGED	+2	0
376597,2	Revert "[Android] Remove signal and slot mechanism to listen states in editor's"	6.2	qt/qtbase	Status: MERGED	+2	0
376598,2	Revert "[Android] Remove signal and slot mechanism to listen states in editor's"	6.2.1	qt/qtbase	Status: MERGED	+2	0
376601,3	Revert "[Android] Remove signal and slot mechanism to listen states in editor's"	tqtc/lts-5.15	qt/tqtc-qtbase	Status: MERGED	+2	0
376850,2	Revert "[Android] Remove signal and slot mechanism to listen states in editor's"	tqtc/lts-5.15.7	qt/tqtc-qtbase	Status: MERGED	+2	0