Declarative Radio Example

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import QtQuick 2.0 import QtMultimedia 5.0 Rectangle { anchors.fill: parent id: root property int margins: 5 property int spacing: 10 QtObject { id: d property int buttonHeight: root.height > root.width ? root.width / 3 : root.height / 3 property int buttonWidth: (root.width - spacing * 4) / 4 } Radio { id: radio band: Radio.FM } Column { anchors.fill: parent anchors.margins: root.margins Rectangle { color: root.color width: parent.width height: root.height - d.buttonHeight - 40 Text { id: freq verticalAlignment: Text.AlignVCenter text: "" + radio.frequency / 1000 + " kHz" anchors { bottom: parent.bottom margins: root.margins } } Text { id: sig anchors { bottom: parent.bottom right: parent.right margins: root.margins } verticalAlignment: Text.AlignVCenter text: (radio.availability == Radio.Available ? "No Signal " : "No Radio Found") } } Row { spacing: 5 Rectangle { width: root.width - 10 height: 20 color: "black" Rectangle { width: 5 height: 20 color: "red" y: 0 x: (parent.width - 5) * ((radio.frequency - radio.minimumFrequency) / (radio.maximumFrequency - radio.minimumFrequency)) } } } Row { spacing: root.spacing Button { text: "Scan Down" onClicked: radio.scanDown() } Button { text: "Freq Down" onClicked: radio.tuneDown() } Button { text: "Freq Up" onClicked: radio.tuneUp() } Button { text: "Scan Up" onClicked: radio.scanUp() } } } }