declarative-camera.qml Example File

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  import QtQuick 2.0
  import QtMultimedia 5.4

  Rectangle {
      id : cameraUI

      width: 800
      height: 480

      color: "black"
      state: "PhotoCapture"

      states: [
          State {
              name: "PhotoCapture"
              StateChangeScript {
                  script: {
                      camera.captureMode = Camera.CaptureStillImage
                      camera.start()
                  }
              }
          },
          State {
              name: "PhotoPreview"
          },
          State {
              name: "VideoCapture"
              StateChangeScript {
                  script: {
                      camera.captureMode = Camera.CaptureVideo
                      camera.start()
                  }
              }
          },
          State {
              name: "VideoPreview"
              StateChangeScript {
                  script: {
                      camera.stop()
                  }
              }
          }
      ]

      Camera {
          id: camera
          captureMode: Camera.CaptureStillImage

          imageCapture {
              onImageCaptured: {
                  photoPreview.source = preview
                  stillControls.previewAvailable = true
                  cameraUI.state = "PhotoPreview"
              }
          }

          videoRecorder {
               resolution: "640x480"
               frameRate: 30
          }
      }

      PhotoPreview {
          id : photoPreview
          anchors.fill : parent
          onClosed: cameraUI.state = "PhotoCapture"
          visible: cameraUI.state == "PhotoPreview"
          focus: visible
      }

      VideoPreview {
          id : videoPreview
          anchors.fill : parent
          onClosed: cameraUI.state = "VideoCapture"
          visible: cameraUI.state == "VideoPreview"
          focus: visible

          //don't load recorded video if preview is invisible
          source: visible ? camera.videoRecorder.actualLocation : ""
      }

      VideoOutput {
          id: viewfinder
          visible: cameraUI.state == "PhotoCapture" || cameraUI.state == "VideoCapture"

          x: 0
          y: 0
          width: parent.width - stillControls.buttonsPanelWidth
          height: parent.height

          source: camera
          autoOrientation: true
      }

      PhotoCaptureControls {
          id: stillControls
          anchors.fill: parent
          camera: camera
          visible: cameraUI.state == "PhotoCapture"
          onPreviewSelected: cameraUI.state = "PhotoPreview"
          onVideoModeSelected: cameraUI.state = "VideoCapture"
      }

      VideoCaptureControls {
          id: videoControls
          anchors.fill: parent
          camera: camera
          visible: cameraUI.state == "VideoCapture"
          onPreviewSelected: cameraUI.state = "VideoPreview"
          onPhotoModeSelected: cameraUI.state = "PhotoCapture"
      }
  }