Qt with Cascades UI Examples Documentation

main.qml Example File

broadcastreceiver/assets/main.qml
    /****************************************************************************
     **
     ** Portions Copyright (C) 2012 Research In Motion Limited.
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Research In Motion Ltd. (http://www.rim.com/company/contact/)
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the BB10 Platform and is derived
     ** from a similar file that is part of the Qt Toolkit.
     **
     ** 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 Research In Motion, nor the name of Nokia
     **     Corporation and its Subsidiary(-ies), 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
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     ****************************************************************************/
    import bb.cascades 1.0

    // This page shows how to create a button with a dynamically changing label

    Page {
        // A container is used to gather visual items together.
        Container {
            layout: DockLayout {}

            ImageView {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                imageSource: "asset:///images/background.png"
            }

            Container {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Center

                // Defines a TextStyleDefinition that can be used in each control.
                attachedObjects: [
                    TextStyleDefinition {
                        id: tsd
                        color: Color.White
                        base: SystemDefaults.TextStyles.BodyText
                        textAlign: TextAlign.Center
                    }
                ]

                // A standard Label
                Label {
                    id: title

                    horizontalAlignment: HorizontalAlignment.Center

                    text: qsTr ("Listening for messages")
                    textStyle.color: Color.White
                    textStyle.base: SystemDefaults.TextStyles.TitleText
                }

                // A standard Label
                Label {
                    id: message

                    horizontalAlignment: HorizontalAlignment.Center

                    text: _receiver.status
                    textStyle {
                        color: Color.White
                        base: tsd.style
                        fontWeight: FontWeight.Bold
                    }
                    // Scale the label size on incoming data
                    animations: [
                        SequentialAnimation {
                            id: animTextSize
                            ScaleTransition {
                                toX: 1.4
                                toY: 1.4
                                duration: 300
                            }
                            ScaleTransition {
                                toX: 1.0
                                toY: 1.0
                                duration: 300
                            }
                        }
                    ]
                    // Play animation on changing text
                    onTextChanged: animTextSize.play()
                }

                // A standard Button
                Button {
                    topMargin: 30
                    horizontalAlignment: HorizontalAlignment.Center

                    text: qsTr ("Quit")

                    // Exit application on click
                    onClicked: _app.quit ()
                }
            }
        }
    }