Qt 5.9 | Qt Multimedia | Declarative Radio Example | view.qml Example File

Qt 5.9.4 Reference Documentation

# view.qml Example File

multimedia/declarative-radio/view.qml

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      import QtQuick 2.0
      import QtMultimedia 5.0

      Rectangle {
          width: 400; height: 300;

          Radio {
              id: radio
              band: Radio.FM
          }

          Column {
              anchors.fill: parent
              anchors.margins: 5
              spacing: 5

              Row {

                  Text {
                      id: freq

                      width: 150
                      height: 200

                      verticalAlignment: Text.AlignVCenter
                      text: "" + radio.frequency / 1000 + " kHz"
                  }
                  Text {
                      id: sig

                      width: 200
                      height: 200

                      verticalAlignment: Text.AlignVCenter
                      text: (radio.availability == Radio.Available ? "No Signal " : "No Radio Found")
                  }
              }

              Row {
                  spacing: 5

                  Rectangle {
                      width: 350
                      height: 10

                      color: "black"

                      Rectangle {
                          width: 5
                          height: 10
                          color: "red"

                          y: 0
                          x: (parent.width - 5) * ((radio.frequency - radio.minimumFrequency) / (radio.maximumFrequency -
                          radio.minimumFrequency))

                      }
                  }
              }

              Row {
                  spacing: 5

                  Rectangle {
                      id: scanDownButton
                      border.color: "black"
                      border.width: 1
                      radius: 2

                      width: 90
                      height: 40

                      Text {
                          anchors.fill: parent
                          verticalAlignment: Text.AlignVCenter
                          horizontalAlignment: Text.AlignHCenter
                          text: "Scan Down"
                      }

                      MouseArea {
                          anchors.fill: parent
                          onClicked: radio.scanDown();
                      }
                  }
                  Rectangle {
                      id: freqDownButton
                      border.color: "black"
                      border.width: 1
                      radius: 2

                      width: 90
                      height: 40

                      Text {
                          anchors.fill: parent
                          verticalAlignment: Text.AlignVCenter
                          horizontalAlignment: Text.AlignHCenter
                          text: "Freq Down"
                      }

                      MouseArea {
                          anchors.fill: parent
                          onClicked: radio.tuneDown();
                      }
                  }
                  Rectangle {
                      id: freqUpButton
                      border.color: "black"
                      border.width: 1
                      radius: 2

                      width: 90
                      height: 40

                      Text {
                          anchors.fill: parent
                          verticalAlignment: Text.AlignVCenter
                          horizontalAlignment: Text.AlignHCenter
                          text: "Freq Up"
                      }

                      MouseArea {
                          anchors.fill: parent
                          onClicked: radio.tuneUp();
                      }
                  }
                  Rectangle {
                      id: scanUpButton
                      border.color: "black"
                      border.width: 1
                      radius: 2

                      width: 90
                      height: 40

                      Text {
                          anchors.fill: parent
                          verticalAlignment: Text.AlignVCenter
                          horizontalAlignment: Text.AlignHCenter
                          text: "Scan Up"
                      }

                      MouseArea {
                          anchors.fill: parent
                          onClicked: radio.scanUp();
                      }
                  }
              }
          }
      }