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Android: Call nsd.unregisterService() synchronously when going to sleep

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If Android is on it's way to suspend when stopServicePublish() is called,
we need to call nsd.unregisterService() synchronously to force it to run
before the device goes to sleep.  If instead it is scheduled to run in the
Android thread, it will not run until the device is woken back up.
This commit is contained in:
Jonathan Bagg
2021-11-04 08:14:09 -04:00
parent f89c73695e
commit da386b2ac3
1 changed files with 10 additions and 2 deletions
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12
androidnsd.cpp
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@ -24,6 +24,7 @@
NsdManager wrapper for use on Android devices
---------------------------------------------------------------------------------------------------
**************************************************************************************************/
#include <QGuiApplication>
#include "androidnsd_p.h"
Q_DECLARE_METATYPE(QHostAddress)
@ -98,9 +99,16 @@ void QZeroConfPrivate::startServicePublish(const char *name, const char *type, q
void QZeroConfPrivate::stopServicePublish()
{
QAndroidJniObject ref(nsdManager);
QtAndroid::runOnAndroidThread([ref]() {
// If Android is on it's way to suspend when stopServicePublish() is called, we need to call nsd.unregisterService() synchronously
// to force it to run before the device goes to sleep. If instead it is scheduled to run in the Android thread, it will not run
// until the device is woken back up.
if (qGuiApp->applicationState() == Qt::ApplicationSuspended) {
ref.callMethod<void>("unregisterService");
});
} else {
QtAndroid::runOnAndroidThread([ref]() {
ref.callMethod<void>("unregisterService");
});
}
}
void QZeroConfPrivate::startBrowser(QString type, QAbstractSocket::NetworkLayerProtocol protocol)