- Qt 5.5
- Qt Bluetooth
- Bluetooth Low Energy Heart Listener Example
- results.qml Example File
- Qt 5.5.1 Reference Documentation

# results.qml Example File

heartlistener/assets/results.qml

    /***************************************************************************
    **
    ** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license 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.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of The Qt Company Ltd nor the names of its
    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
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    ****************************************************************************/

    import QtQuick 2.0
    import "draw.js" as DrawGraph

    Rectangle {
        id: results
        color: "#F0EBED"

        Component.onCompleted:  heartRate.obtainResults()

        function getTime() {
            var t = heartRate.time;
            var min = Math.floor(t/60);
            var sec = t%60;
            var r = min + " min " + sec + " sec ";
            return r;
        }

        function drawGraph() {
            var b = plot.height/200;
            var ctx = canvas1.getContext('2d');
            ctx.beginPath()
            ctx.moveTo(10, plot.height- (b*60))
            var size = heartRate.measurementsSize();
            var difference = (plot.width-topbar.width)/size;

            for (var i = 0; i< size; i++) {
                var value = heartRate.measurements(i);
                if (i == 0) {
                    ctx.moveTo(10+2, (plot.height- (value*b) + 2));
                    ctx.rect((10 + i*difference), (plot.height- (value*b)), 4, 4);

                }
                else {
                    ctx.lineTo((10+2 + i*difference), (plot.height- (value*b) + 2));
                    ctx.rect((10 + i*difference), (plot.height- (value*b)), 4, 4);
                }

            }
            ctx.fillStyle = "#3870BA"
            ctx.fill()
            ctx.strokeStyle = "#3870BA"
            ctx.stroke()
            ctx.closePath()
        }

        Rectangle {
            id: res
            width: parent.width
            anchors.top: parent.top
            height: 80
            color: "#F0EBED"
            border.color: "#3870BA"
            border.width: 2
            radius: 10
            Text {
                id: restText
                color: "#3870BA"
                font.pixelSize: 34
                anchors.centerIn: parent
                text: "Results"
            }
        }

        Text {
            id: topbar
            text: "200"
            anchors.left: parent.left
            anchors.top: res.bottom
            anchors.rightMargin: 4
            color: "#3870BA"
            z: 50
        }

        Rectangle {
            id: level
            anchors.left: topbar.right

            anchors.top: res.bottom
            height: ((results.height -(res.height + menuLast.height + start.height ))/2)
            width: 3
            color: "#3870BA"
        }

        Text {
            id: middlebar
            anchors.verticalCenter: level.verticalCenter
            anchors.left: parent.left
            text: "100"
            color: "#3870BA"
            z: 50
        }

        Rectangle{
            id: downlevel
            anchors.bottom: cover.top
            width: parent.width
            anchors.left: level.right
            height: 3
            color: "#3870BA"
            z: 50
        }

        Rectangle {
            id: plot
            anchors.left: level.right
            anchors.leftMargin: 15
            width: results.width
            height: ((parent.height-(res.height+menuLast.height+start.height))/2)

            anchors.top: res.bottom
            color: "#F0EBED"
            Canvas {
                id: canvas1
                anchors.fill: parent
                z: 150
                onPaint: drawGraph()
            }
        }

        Rectangle {
            id: cover
            anchors.top: plot.bottom
            anchors.bottom: menuLast.top
            width: parent.width
            height: ((parent.height-(res.height+menuLast.height+start.height))/2)
            color: "#F0EBED"
            radius: 10
            border.color: "#3870BA"
            border.width: 2

            Flickable {
                id: scroll
                anchors.fill: parent
                anchors.margins: 5
                clip: true
                contentWidth: parent.width
                contentHeight: stresult.height

                Rectangle {
                    id: stresult
                    width: parent.width
                    height: (results.height - (res.height + menuLast.height + start.height - 100))
                    color: "#F0EBED"
                    radius: 10

                    Text {
                        id: averageHR
                        font.pixelSize: 30;
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.top: parent.top

                        color: "#3870BA"
                        text: "Average Heart Rate"
                    }

                    Text {
                        id: averageHRt
                        font.pixelSize: 40; font.bold: true
                        anchors.top: averageHR.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: heartRate.average
                    }

                    Text {
                        id: time
                        font.pixelSize: 30;
                        anchors.top: averageHRt.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: "Seconds measured:"
                    }

                    Text {
                        id: timet
                        font.pixelSize:  40; font.bold: true
                        anchors.top: time.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: getTime()
                    }
                    Text {
                        id: maxi
                        font.pixelSize:  30;
                        anchors.top: timet.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 20
                        color: "#3870BA"
                        text: "  Max  ||  Min "
                    }

                    Text {
                        id: mini
                        font.pixelSize:  40; font.bold: true
                        anchors.top:maxi.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: " " + heartRate.maxHR + " || " + heartRate.minHR
                    }

                    Text {
                        id: calories
                        font.pixelSize:  30;
                        anchors.top: mini.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: "  Calories "
                    }

                    Text {
                        id: caloriestext
                        font.pixelSize:  40; font.bold: true
                        anchors.top:calories.bottom
                        anchors.horizontalCenter: parent.horizontalCenter
                        anchors.topMargin: 10
                        color: "#3870BA"
                        text: heartRate.calories.toFixed(3)
                    }
                }
            }
        }

        Button {
            id:menuLast
            buttonWidth: parent.width
            buttonHeight: 0.1*parent.height
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.bottom: start.top
            text: "Menu"
            onButtonClick: { pageLoader.source="main.qml"}
        }

        Button {
            id:start
            buttonWidth: parent.width
            buttonHeight: 0.1*parent.height
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.bottom: parent.bottom
            text: "Start Monitoring"
            onButtonClick: {
                heartRate.connectToService(heartRate.deviceAddress());
                pageLoader.source="monitor.qml";
            }
        }
    }