Bluetooth Low Energy Scanner Example▲
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/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
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** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
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** BSD License Usage
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** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
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import
QtQuick 2.0
Rectangle
{
width
:
300
height
:
600
Component.onCompleted
: {
// Loading this page may take longer than QLEController
// stopping with an error, go back and readjust this view
// based on controller errors
if (
device.
controllerError) {
info.
visible =
false;
menu.
menuText =
device.
update
}
}
Header {
id
:
header
anchors.top
:
parent.top
headerText
:
"Services list"
}
Dialog
{
id
:
info
anchors.centerIn
:
parent
visible
:
true
dialogText
:
"Scanning for services..."
;
}
Connections
{
target
:
device
onServicesUpdated
: {
if (
servicesview.
count ===
0
)
info.
dialogText =
"No services found"
else
info.
visible =
false;
}
onDisconnected
: {
pageLoader.
source =
"main.qml"
}
}
ListView
{
id
:
servicesview
width
:
parent.width
anchors.top
:
header.bottom
anchors.bottom
:
menu.top
model
:
device.servicesList
clip
:
true
delegate
:
Rectangle
{
id
:
servicebox
height
:
100
color
:
"lightsteelblue"
border.width
:
2
border.color
:
"black"
radius
:
5
width
:
parent.width
Component.onCompleted
: {
info.
visible =
false
}
MouseArea
{
anchors.fill
:
parent
onClicked
: {
pageLoader.
source =
"Characteristics.qml"
;
device.connectToService
(
modelData.
serviceUuid);
}
}
Label
{
id
:
serviceName
textContent
:
modelData.serviceName
anchors.top
:
parent.top
anchors.topMargin
:
5
}
Label
{
textContent
:
modelData.serviceType
font.pointSize
:
serviceName.font.pointSize *
0.5
anchors.top
:
serviceName.bottom
}
Label
{
id
:
serviceUuid
font.pointSize
:
serviceName.font.pointSize *
0.5
textContent
:
modelData.serviceUuid
anchors.bottom
:
servicebox.bottom
anchors.bottomMargin
:
5
}
}
}
Menu
{
id
:
menu
anchors.bottom
:
parent.bottom
menuWidth
:
parent.width
menuText
:
device.update
menuHeight
:
(parent.height/
6
)
onButtonClick
: {
device.disconnectFromDevice
(
)
pageLoader.
source =
"main.qml"
device.
update =
"Search"
}
}
}