Qt-based BB10 API Examples Documentation

post.qml Example File

httptest/assets/post.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.PostHttp 1.0
    import "controls"
    import my.library 1.0

    /**
    *  This is a simple Page that allows you to enter HTML form values and POST them to a newtwork resource
    *
    *  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
                leftPadding: 30

                Label {
                    id: postResponseLabel
                    visible: false

                    text: qsTr("Response:")
                    textStyle {
                        base: SystemDefaults.TextStyles.BodyText;
                        color: Color.White
                    }
                }

                TextArea {
                    id: postResponseBody
                    visible: false
                    editable: false
                    backgroundVisible: false

                    textStyle {
                        base: SystemDefaults.TextStyles.BodyText;
                        color: Color.White
                    }
                }
            }

            NetworkActivity {
                id: progressIndicator

                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                title: qsTr("Posting...")
            }

            attachedObjects: [
                QTimer {
                    id: timer
                    interval: 1000
                    onTimeout: {
                        // One second after page loads make the http post request
                        netpost.post(_httpsample.postBody);
                    }
                },
                PostHttp {
                    id : netpost
                    onComplete :{
                        progressIndicator.active = false;
                        progressIndicator.visible = false;

                        postResponseBody.text = info;
                        postResponseBody.visible = true;
                        postResponseLabel.visible = true;

                        timer.stop();
                    }
                }
            ]

            onCreationCompleted: {
                progressIndicator.active = true;
                timer.start();
            }
        }
    }