scanner.qml Example File

  /****************************************************************************
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  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
  ** Contact: http://www.qt.io/licensing/
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  ** This file is part of the examples of the QtBluetooth module.
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  import QtQuick 2.0
  import QtBluetooth 5.2

  Item {
      id: top

      property BluetoothService currentService

      BluetoothDiscoveryModel {
          id: btModel
          running: true
          discoveryMode: BluetoothDiscoveryModel.DeviceDiscovery
          onDiscoveryModeChanged: console.log("Discovery mode: " + discoveryMode)
          onServiceDiscovered: console.log("Found new service " + service.deviceAddress + " " + service.deviceName + " " + service.serviceName);
          onDeviceDiscovered: console.log("New device: " + device)
          onErrorChanged: {
                  switch (btModel.error) {
                  case BluetoothDiscoveryModel.PoweredOffError:
                      console.log("Error: Bluetooth device not turned on"); break;
                  case BluetoothDiscoveryModel.InputOutputError:
                      console.log("Error: Bluetooth I/O Error"); break;
                  case BluetoothDiscoveryModel.InvalidBluetoothAdapterError:
                      console.log("Error: Invalid Bluetooth Adapter Error"); break;
                  case BluetoothDiscoveryModel.NoError:
                      break;
                  default:
                      console.log("Error: Unknown Error"); break;
                  }
          }
     }

      Rectangle {
          id: busy

          width: top.width * 0.7;
          anchors.horizontalCenter: parent.horizontalCenter
          anchors.top: top.top;
          height: text.height*1.2;
          radius: 5
          color: "#1c56f3"
          visible: btModel.running

          Text {
              id: text
              text: "Scanning"
              font.bold: true
              font.pointSize: 20
              anchors.centerIn: parent
          }

          SequentialAnimation on color {
              id: busyThrobber
              ColorAnimation { easing.type: Easing.InOutSine; from: "#1c56f3"; to: "white"; duration: 1000; }
              ColorAnimation { easing.type: Easing.InOutSine; to: "#1c56f3"; from: "white"; duration: 1000 }
              loops: Animation.Infinite
          }
      }

      ListView {
          id: mainList
          width: top.width
          anchors.top: busy.bottom
          anchors.bottom: buttonGroup.top
          anchors.bottomMargin: 10
          anchors.topMargin: 10
          clip: true

          model: btModel
          delegate: Rectangle {
              id: btDelegate
              width: parent.width
              height: column.height + 10

              property bool expended: false;
              clip: true
              Image {
                  id: bticon
                  source: "qrc:/default.png";
                  width: bttext.height;
                  height: bttext.height;
                  anchors.top: parent.top
                  anchors.left: parent.left
                  anchors.margins: 5
              }

              Column {
                  id: column
                  anchors.left: bticon.right
                  anchors.leftMargin: 5
                  Text {
                      id: bttext
                      text: deviceName ? deviceName : name
                      font.family: "FreeSerif"
                      font.pointSize: 16
                  }

                  Text {
                      id: details
                      function get_details(s) {
                          if (btModel.discoveryMode == BluetoothDiscoveryModel.DeviceDiscovery) {
                              //We are doing a device discovery
                              var str = "Address: " + remoteAddress;
                              return str;
                          } else {
                              var str = "Address: " + s.deviceAddress;
                              if (s.serviceName) { str += "<br>Service: " + s.serviceName; }
                              if (s.serviceDescription) { str += "<br>Description: " + s.serviceDescription; }
                              if (s.serviceProtocol) { str += "<br>Protocol: " + s.serviceProtocol; }
                              return str;
                          }
                      }
                      visible: opacity !== 0
                      opacity: btDelegate.expended ? 1 : 0.0
                      text: get_details(service)
                      font.family: "FreeSerif"
                      font.pointSize: 14
                      Behavior on opacity {
                          NumberAnimation { duration: 200}
                      }
                  }
              }
              Behavior on height { NumberAnimation { duration: 200} }

              MouseArea {
                  anchors.fill: parent
                  onClicked: btDelegate.expended = !btDelegate.expended
              }
          }
          focus: true
      }

      Row {
          id: buttonGroup
          property var activeButton: devButton

          anchors.bottom: parent.bottom
          anchors.horizontalCenter: parent.horizontalCenter
          anchors.bottomMargin: 5
          spacing: 10

          Button {
              id: fdButton
              width: top.width/3*0.9
              //mdButton has longest text
              height: mdButton.height
              text: "Full Discovery"
              onClicked: btModel.discoveryMode = BluetoothDiscoveryModel.FullServiceDiscovery
          }
          Button {
              id: mdButton
              width: top.width/3*0.9
              text: "Minimal Discovery"
              onClicked: btModel.discoveryMode = BluetoothDiscoveryModel.MinimalServiceDiscovery
          }
          Button {
              id: devButton
              width: top.width/3*0.9
              //mdButton has longest text
              height: mdButton.height
              text: "Device Discovery"
              onClicked: btModel.discoveryMode = BluetoothDiscoveryModel.DeviceDiscovery
          }
      }

  }