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// Copyright (C) 2022 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 "androidutils_p.h"
#include "jni_android_p.h"
#include <QtCore/QLoggingCategory>
#include <QtCore/private/qandroidextras_p.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID)
static QString androidPermissionString(BluetoothPermission permission)
{
switch (permission) {
case BluetoothPermission::Scan:
return {QStringLiteral("android.permission.BLUETOOTH_SCAN")};
case BluetoothPermission::Advertise:
return {QStringLiteral("android.permission.BLUETOOTH_ADVERTISE")};
case BluetoothPermission::Connect:
return {QStringLiteral("android.permission.BLUETOOTH_CONNECT")};
}
return {};
}
bool ensureAndroidPermission(BluetoothPermission permission)
{
// The current set of permissions are only applicable with 31+
if (QNativeInterface::QAndroidApplication::sdkVersion() < 31)
return true;
const auto permString = androidPermissionString(permission);
// First check if we have the permission already
if (QtAndroidPrivate::checkPermission(permString).result() == QtAndroidPrivate::Authorized)
return true;
qCWarning(QT_BT_ANDROID) << "Permission not authorized:" << permString;
return false;
}
QJniObject getDefaultBluetoothAdapter()
{
QJniObject service = QJniObject::getStaticField<QtJniTypes::AndroidContext, jstring>(
"BLUETOOTH_SERVICE");
QJniObject context = QNativeInterface::QAndroidApplication::context();
QJniObject manager =
context.callMethod<jobject>("getSystemService", service.object<jstring>());
QJniObject adapter;
if (manager.isValid())
adapter = manager.callMethod<QtJniTypes::BluetoothAdapter>("getAdapter");
// ### Qt 7 check if the below double-get of the adapter can be removed.
// It is a workaround for QTBUG-57489, fixed in 2016. According to the bug it occurred on
// a certain device running Android 6.0.1 (Qt 6 supports Android 6.0 as the minimum).
// For completeness: the original workaround was for the deprecated getDefaultAdapter()
// method, and it is thus unclear if this is needed even in Qt 6 anymore. In addition the
// impacted device is updateable to Android 8 which may also have fixed the issue.
if (!adapter.isValid())
adapter = manager.callMethod<QtJniTypes::BluetoothAdapter>("getAdapter");
return adapter;
}
QT_END_NAMESPACE
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