Qt 5.9 | Qt Bluetooth | Bluetooth Low Energy Heart Rate Game | Connect.qml Example File

Qt 5.9.9 Reference Documentation

# Connect.qml Example File

heartrate-game/qml/Connect.qml

      /***************************************************************************
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      ** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
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      import QtQuick 2.5
      import Shared 1.0

      GamePage {

          errorMessage: deviceFinder.error
          infoMessage: deviceFinder.info

          Rectangle {
              id: viewContainer
              anchors.top: parent.top
              anchors.bottom:
                  // only BlueZ platform has address type selection
                  connectionHandler.requiresAddressType ? addressTypeButton.top : searchButton.top
              anchors.topMargin: GameSettings.fieldMargin + messageHeight
              anchors.bottomMargin: GameSettings.fieldMargin
              anchors.horizontalCenter: parent.horizontalCenter
              width: parent.width - GameSettings.fieldMargin*2
              color: GameSettings.viewColor
              radius: GameSettings.buttonRadius

              Text {
                  id: title
                  width: parent.width
                  height: GameSettings.fieldHeight
                  horizontalAlignment: Text.AlignHCenter
                  verticalAlignment: Text.AlignVCenter
                  color: GameSettings.textColor
                  font.pixelSize: GameSettings.mediumFontSize
                  text: qsTr("FOUND DEVICES")

                  BottomLine {
                      height: 1;
                      width: parent.width
                      color: "#898989"
                  }
              }

              ListView {
                  id: devices
                  anchors.left: parent.left
                  anchors.right: parent.right
                  anchors.bottom: parent.bottom
                  anchors.top: title.bottom
                  model: deviceFinder.devices
                  clip: true

                  delegate: Rectangle {
                      id: box
                      height:GameSettings.fieldHeight * 1.2
                      width: parent.width
                      color: index % 2 === 0 ? GameSettings.delegate1Color : GameSettings.delegate2Color

                      MouseArea {
                      anchors.fill: parent
                          onClicked: {
                              deviceFinder.connectToService(modelData.deviceAddress);
                              app.showPage("Measure.qml")
                          }
                      }

                      Text {
                          id: device
                          font.pixelSize: GameSettings.smallFontSize
                          text: modelData.deviceName
                          anchors.top: parent.top
                          anchors.topMargin: parent.height * 0.1
                          anchors.leftMargin: parent.height * 0.1
                          anchors.left: parent.left
                          color: GameSettings.textColor
                      }

                      Text {
                          id: deviceAddress
                          font.pixelSize: GameSettings.smallFontSize
                          text: modelData.deviceAddress
                          anchors.bottom: parent.bottom
                          anchors.bottomMargin: parent.height * 0.1
                          anchors.rightMargin: parent.height * 0.1
                          anchors.right: parent.right
                          color: Qt.darker(GameSettings.textColor)
                      }
                  }
              }
          }

          GameButton {
              id: addressTypeButton
              anchors.horizontalCenter: parent.horizontalCenter
              anchors.bottom: searchButton.top
              anchors.bottomMargin: GameSettings.fieldMargin*0.5
              width: viewContainer.width
              height: GameSettings.fieldHeight
              visible: connectionHandler.requiresAddressType // only required on BlueZ
              state: "public"
              onClicked: state == "public" ? state = "random" : state = "public"

              states: [
                  State {
                      name: "public"
                      PropertyChanges { target: addressTypeText; text: qsTr("Public Address") }
                      PropertyChanges { target: deviceHandler; addressType: AddressType.PublicAddress }
                  },
                  State {
                      name: "random"
                      PropertyChanges { target: addressTypeText; text: qsTr("Random Address") }
                      PropertyChanges { target: deviceHandler; addressType: AddressType.RandomAddress }
                  }
              ]

              Text {
                  id: addressTypeText
                  anchors.centerIn: parent
                  font.pixelSize: GameSettings.tinyFontSize
                  color: GameSettings.textColor
              }
          }

          GameButton {
              id: searchButton
              anchors.horizontalCenter: parent.horizontalCenter
              anchors.bottom: parent.bottom
              anchors.bottomMargin: GameSettings.fieldMargin
              width: viewContainer.width
              height: GameSettings.fieldHeight
              enabled: !deviceFinder.scanning
              onClicked: deviceFinder.startSearch()

              Text {
                  anchors.centerIn: parent
                  font.pixelSize: GameSettings.tinyFontSize
                  text: qsTr("START SEARCH")
                  color: searchButton.enabled ? GameSettings.textColor : GameSettings.disabledTextColor
              }
          }
      }