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diff --git a/examples/sensors/sensorsshowcase/doc/src/sensorsshowcase.qdoc b/examples/sensors/sensorsshowcase/doc/src/sensorsshowcase.qdoc new file mode 100644 index 00000000..d3d31c34 --- /dev/null +++ b/examples/sensors/sensorsshowcase/doc/src/sensorsshowcase.qdoc @@ -0,0 +1,78 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only + +/*! + \example sensorsshowcase + \title Sensors Showcase + \brief The Sensors Showcase example demonstrates sensor usage with visual examples. + \meta tag {sensors,quick,mobile} + \ingroup qtsensors-examples + \examplecategory {Mobile} + + \image sensorsshowcase-mainview.webp + + \section1 Overview + + On startup, the application shows a menu with buttons for the subviews for each sensor. + The sensor views instantiate the given sensor, display the sensor's values as numbers, + and also visualize them with a simple graphical representation. + + \section1 Main Menu + + The main view shows the title with the name of the application and a button + for each subview laid out evenly by a \c ColumnLayout. A \c StackView + manages the navigation between the subviews and the main menu. The + application checks the availability of the sensors during startup and + disables the buttons for the sensors that are not available. + + \note To simplify the example, the sensor availability is checked only once + during the startup. + + \section1 Accelerometer View + + The accelerometer view shows the current device acceleration values and moves around + an image with an amount that is opposite of the device acceleration giving the image + an inertia effect that is proportional with the movement of the device. + + Moving around the image happens in the accelerometer \c onReadingChanged method. + + \snippet sensorsshowcase/Accelerometer.qml 0 + + Whenever there is a new accelerometer value the image translation coordinates are + updated accordingly. + + \section1 Proximity View + + The proximity view shows an image that is enlarged whenever the proximity sensor of + the device is covered. + + \section1 Compass View + + The compass view shows a compass image that is rotated according to the Compass sensor + reading value making the compass turn towards north. + + \section1 Magnetometer View + + The magnetometer view displays a magnet image that is rotated around an amount that is + decided by the rotation angle of the vector given by the x and y magnetometer values. + This results in general in the same rotation as the compass gives, demonstrating one use + case of how the magnetometer readings can be used. Since the magnetometer provides + readings along all three axes, there is more freedom with how these readings can be used. + + \snippet sensorsshowcase/Magnetometer.qml 0 + + \section1 Gyroscope View + + \image sensorsshowcase-gyroscope.webp + + The gyroscope view also shows an image that is rotated around three axes with an amount + that is calculated from the gyroscope readings. Since the gyroscope provides relative + rotational change around the three spatial axes and the time between reading updates + can vary, the time of the readings are stored and the rotational change is normalized + based on the time passed between reading updates. + + \snippet sensorsshowcase/Gyroscope.qml 0 + + By pressing the reset button the image rotation is reset to 0. +*/ + |