Qt-based BB10 API Examples Documentation

main.qml Example File

compass/assets/main.qml
    /*
     * Copyright (c) 2011, 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

    Page {
        Container {
            layout: DockLayout { }

            CompassView {
                rotationZ: -_compass.azimuth

                // Disable implicit animations to avoid ugly "jumps" when switching from 0 degrees to 360 degrees and vice versa
                attachedObjects: ImplicitAnimationController {
                    propertyName: "rotationZ"
                    enabled: false
                }
            }

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

                imageSource: "asset:///images/COMPASS-CIRCLE-BG.png"
            }

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

                topPadding: 170

                Label {
                    text: Math.round(_compass.azimuth) + ""
                    textStyle {
                        base: SystemDefaults.TextStyles.BigText
                        color: Color.White
                        fontWeight: FontWeight.Bold
                    }
                }
            }
        }
    }