diff --git a/src/plugins/platforms/android/androidjniaccessibility.cpp b/src/plugins/platforms/android/androidjniaccessibility.cpp index 3067cb178a3..8990289dc47 100644 --- a/src/plugins/platforms/android/androidjniaccessibility.cpp +++ b/src/plugins/platforms/android/androidjniaccessibility.cpp @@ -1,6 +1,7 @@ // Copyright (C) 2021 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only +#include "androiddeadlockprotector.h" #include "androidjniaccessibility.h" #include "androidjnimain.h" #include "qandroidplatformintegration.h" @@ -61,6 +62,14 @@ namespace QtAndroidAccessibility template void runInObjectContext(QObject *context, Func &&func, Ret *retVal) { + AndroidDeadlockProtector protector; + if (!protector.acquire()) { + __android_log_print(ANDROID_LOG_WARN, m_qtTag, + "Could not run accessibility call in object context, accessing " + "main thread could lead to deadlock"); + return; + } + if (!QtAndroid::blockEventLoopsWhenSuspended() || QGuiApplication::applicationState() != Qt::ApplicationSuspended) { QMetaObject::invokeMethod(context, func, Qt::BlockingQueuedConnection, retVal);