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Overview

This example shows how to add and remove widgets in a widget hierarchy.

The application displays a Grid container that can contain up to 4 items. The items can be removed from the container by clicking on the trash button. New items can be added to the container by using the "Add Item" button.

The layout adapts automatically to the number of items, because requestLayout() is called upon each addition/deletion on the container.

Requirements

  • MICROEJ SDK 6.

  • A VEE Port that contains:

    • EDC-1.3 or higher.
    • BON-1.4 or higher.
    • MICROUI-3.4 or higher.
    • DRAWING-1.0 or higher.

This example has been tested on:

  • IntelliJ IDEA 2023.3.3.
  • STM32F7508-DK VEE Port 2.2.0.

Usage

By default, the sample will use the STM32F7508-DK VEE Port.

Refer to the Select a VEE Port documentation for more information.

Configuration

Configuration options can be found in: configuration/common.properties.

Run on simulator

In IntelliJ IDEA or Android Studio:

  • Open the Gradle tool window by clicking on the elephant icon on the right side,
  • Expand the Tasks list,
  • From the Tasks list, expand the microej list,
  • Double-click on runOnSimulator,
  • The application starts, the traces are visible in the Run view.

Alternative ways to run in simulation are described in the Run on Simulator documentation.

Run on device

Make sure to properly setup the VEE Port environment before going further. Refer to the VEE Port README for more information.

In IntelliJ IDEA or Android Studio:

  • Open the Gradle tool window by clicking on the elephant on the right side,
  • Expand the Tasks list,
  • From the Tasks list, expand the microej list,
  • Double-Click on runOnDevice.
  • The device is flashed. Use the appropriate tool to retrieve the execution traces.

Alternative ways to run on device are described in the Run on Device documentation.

Dependencies

All dependencies are retrieved transitively by gradle.

Source

N/A

Restrictions

None.

Copyright 2021-2024 MicroEJ Corp. All rights reserved.
Use of this source code is governed by a BSD-style license that can be found with this software.