poster.qml Example File

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 import QtQuick 2.3
 import QtNfc 5.5

 Rectangle {
     id: root
     width: 640
     height: 360

     NearField {
         id: nearfield
         property bool requiresManualPolling: false

         onPollingChanged: {
             if (!polling && requiresManualPolling)
                 polling = true; //restart polling
         }

         Component.onCompleted: {
             if (!polling) {
                 requiresManualPolling = true;
                 polling = true;
             }
         }

         filter: [
             NdefFilter { type: "U"; typeNameFormat: NdefRecord.NfcRtd; maximum: 1 },
             NdefFilter { type: "T"; typeNameFormat: NdefRecord.NfcRtd },
             NdefFilter { typeNameFormat: NdefRecord.Mime; minimum: 0; maximum: 1 }
         ]


         onMessageRecordsChanged: {
             posterText.text = "";
             posterImage.source = "";
             posterUrl.text = "";

             var currentLocaleMatch = NdefTextRecord.LocaleMatchedNone;
             var i;
             var found = false;
             for (i = 0; i < messageRecords.length; ++i) {
                 switch (messageRecords[i].typeNameFormat) {
                 case NdefRecord.NfcRtd:
                     if (messageRecords[i].type === "T") {
                         if (messageRecords[i].localeMatch > currentLocaleMatch) {
                             currentLocaleMatch = messageRecords[i].localeMatch;
                             posterText.text = messageRecords[i].text;
                             found = true;
                         }

                     } else if (messageRecords[i].type === "U") {
                          posterUrl.text = messageRecords[i].uri;
                         found = true;
                     }
                     break;
                 case NdefRecord.Mime:
                     if (messageRecords[i].type.indexOf("image/") === 0 ) {
                         posterImage.source = messageRecords[i].uri;
                         found = true;
                     }
                     break;
                 }

                 if (!found)
                     console.warn("Unknown NFC tag detected. Cannot display content.")
             }

             root.state = "show";
         }
     }

     Text {
         id: touchText
         anchors { horizontalCenter: parent.horizontalCenter; horizontalCenterOffset: parent.verticalCenter }
         text: "Touch an NFC tag with at least one Text and one URI record."
         font { italic: true; pointSize: 18 }
         wrapMode: Text.WordWrap
         width: root.width*0.75
         horizontalAlignment: Text.AlignHCenter
     }

     Image {
         id: posterImage
         scale: Image.PreserveAspectFit
         height:  parent.height * 0.8
         width: height * sourceSize.width / sourceSize.height
         anchors.verticalCenter: parent.verticalCenter
         x: -width
         smooth: true
     }

     Text {
         id: posterText
         y: -height
         anchors { horizontalCenter: parent.right; horizontalCenterOffset: - parent.width / 4 }
         font { italic: true; pointSize: 18 }
     }

     Text {
         id: posterUrl
         y: parent.height
         anchors { horizontalCenter: parent.right; horizontalCenterOffset: - parent.width / 4 }
         font { italic: true; pointSize: 14 }
     }

     MouseArea {
         id: openMouseArea
         anchors.fill: parent
         enabled: root.state == "show"
         onClicked: Qt.openUrlExternally(posterUrl.text)

         Rectangle {
             id: testTouch
             width: 50
             height: 50
             color: "lightsteelblue"
             opacity: 0.3
             anchors { top:  parent.top; right: close.left; rightMargin: 10 }
             MouseArea {
                 id: touchMouseArea
                 anchors.fill: parent
                 onClicked: {
                     if (root.state == "") {
                         root.state = "show";
                     } else {
                         root.state = "";
                     }
                 }
             }
         }

         Rectangle {
             id: close
             width: 50
             height: 50
             color: "black"
             radius: 0
             opacity: 0.3
             anchors { top: parent.top; topMargin: 0; right: parent.right; rightMargin: 0 }
             MouseArea {
                 id: closeMouseArea
                 anchors.fill: parent
                 onClicked: Qt.quit();
             }
         }
     }

     states: State {
         name: "show"
         PropertyChanges { target: posterText; y: root.height / 3 }
         PropertyChanges { target: posterUrl; y: 2 * root.height / 3 }
         PropertyChanges { target: posterImage; x: root.width / 20 }
         PropertyChanges { target: touchText; opacity: 0 }
     }

     transitions: Transition {
         PropertyAnimation { easing.type: Easing.OutQuad; properties: "x,y" }
         PropertyAnimation { property: "opacity"; duration: 125 }
     }
 }