Qt-based BB10 API Examples Documentation

ipinfo.qml Example File

httptest/assets/ipinfo.qml
    /* Copyright (c) 2012, 2013  BlackBerry Limited.
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    import bb.cascades 1.0
    import Network.ExternalIP 1.0
    import "controls"
    import my.library 1.0

    /**
    *  This is a Page that displays your external IP address
    *
    *  You will learn how to:
    *  -- Import C++ objects
    *  -- Use attachedObjects
    *  -- Use a QTimer for timing operations
    **/
    Page {
        Container {

            layout: DockLayout {}

            // The background image
            ImageView {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                imageSource: "asset:///images/background.png"
            }
            Container {
                horizontalAlignment: HorizontalAlignment.Center
                verticalAlignment: VerticalAlignment.Center

                Label {
                    id: ipaddress
                    visible: false

                    text: qsTr("Retrieving IP address")

                    textStyle {
                        base: SystemDefaults.TextStyles.BigText;
                        color: Color.White
                        fontWeight: FontWeight.Bold
                    }
                }
            }

            NetworkActivity {
                id: progressIndicator

                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                title: qsTr("Retrieving IP address")
            }

            attachedObjects: [
                QTimer {
                    id: timer
                    interval: 1000
                    onTimeout: {
                        // One second after page loads make the http get request
                        netip.getIP();
                    }
                },
                ExternalIP {
                    id : netip
                    onComplete :{
                        // Stop progress indicator and hide it
                        progressIndicator.active = false;
                        progressIndicator.visible = false;

                        // Display external IP address
                        ipaddress.text = info;
                        ipaddress.visible = true;
                        timer.stop();
                    }
                }
            ]

            onCreationCompleted: {
                // Start progress indicator and timer
                progressIndicator.active = true;
                timer.start();
            }
        }
    }