# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [5.6.1] - 2026-04-16 ### Changed - Update MWT dependency to 3.7.1. ## [5.6.0] - 2026-04-13 ### Added - Add `List.isHorizontal()` method to simplify retrieval of orientation. ### Changed - Update MWT dependency to 3.7.0. ## [5.5.0] - 2026-02-06 ### Added - Add `setStopSpeedMultiplier(float)` method in `SwipeEventHandler` to be able to customize the stop speed of the swipe. - Add `setPosition(int, boolean)` method in `SwipeEventHandler`. ### Fixed - Fix the `SwipeEventHandler` not consuming `Pointer.RELEASED` event when the user stop dragging. - Fix the `SwipeEventHandler` not limiting the swipe value when snapping is deactivated. ### Deprecated - Deprecate `moveTo(int)` method in `SwipeEventHandler`. ## [5.4.0] - 2025-09-25 ### Changed - Update `ImageWidget` and `ImageButton` to optionally specify the required image format. - Update `SwipeEventHandler` to interpolate swipes using a settable variable instead of a fixed ratio of half (see `setInterpolationRatio(float)`). ## [5.3.1] - 2025-03-14 ### Changed - `HierearchyInspector` is able to print the selector that originated a style parameter. - `Button` and `ImageButton` get their state from the StateSelector active constant. - Update MWT dependency to 3.6.1. ### Fixed - Fix a layout issue in `FlexContainer` when laid out several times. ## [5.2.1] - 2024-09-23 ### Fixed - Fix an error when using `RenderMonitor` in an application. - Avoid as much as possible having the animator tick without a rendering when using the `SwipeEventHandler`. ## [5.2.0] - 2024-07-01 ### Added - Add methods to move a `SwipeEventHandler` to the beginning or the end. ### Fixed - Allow to create a SwipeEventHandler with one item when not cyclic (previously throwing an IllegalArgumentException). - Fix `SwipeEventHandler` to avoid ignoring drags in the right orientation after dragging in the wrong orientation. - Fix `SwipeEventHandler` to avoid being stuck outside the limits. ## [5.1.0] - 2024-02-02 ### Added - Add Flex container. ### Fixed - Fix wrapping strings starting with '\n'. - Fix debug constants classnames. - Fix `ArrayIndexOutOfBoundsException` in `GradientHelper.createGradient()` for 32-bit displays. ## [5.0.0] - 2023-09-15 ### Added - Add APIs to hierarchy inspector: generic visitor, widget type counter & style. - Add monitor for widget rendering. - Add monitor for animator debugging. - Add base implementation for pointer-based event handlers. - Add generic click event handler. ### Fixed - Fix widget counter: containers are now included. - Fix gradient helper: support trivial case with same color for gradient start and end. - Fix `SwipeEventHandler`: `Swipeable.onSwipeStopped()` was not called in all swipe stop cases. - Fix `SwipeEventHandler` dragging target position (was off by 1 when "dragging positively"). ### Changed - `SwipeEventHandler` constructors now require an additional argument for attached widget (API break). - Rename all `util` packages (API break). - Improve name of widgets from anonymous classes in debug utilities. - Make `Button` and `ImageButton` use the new generic click event handler. - Migrate to gradle. - Update MWT dependency to 3.5.0. - Update motion dependency to 4.0.1. ## [4.2.0] - 2022-10-18 ### Added - Add FixedGrid container. ### Changed - Update SwipeEventHandler to have a smoother animation when dragging pointer. - Update MWT dependency to 3.3.1. ### Fixed - Do nothing when swipe event handler is moved to the same position. - Do not stop a MotionAnimation when it's restarted or not started. ## [4.1.0] - 2021-09-14 ### Added - Add helper methods to print the path of a widget. ### Changed - Update MWT dependency to 3.3.0. - Update enabled widgets to use new Widget constructor. ## [4.0.0] - 2021-05-10 ### Added - Add motion animation. - Add API to get the current position of a swipe event handler. ### Changed - Update motion dependency to 4.0.0. - Add `Animator` parameter in every constructor of swipe event handler. - Update MWT dependency to 3.2.1. - Do not handle `PointerEventDispatcher.EXITED` event in the swipe event handler. ### Removed - Remove `setAnimator()` API of swipe event handler. ### Fixed - Fix swipe event handler snapping when calling `moveTo(int)` API. ## [3.1.1] - 2020-12-21 ### Fixed - Update dependencies to EDC, MicroUI, Drawing and MWT. - Move call to setEnabled() in onAttached(). ## [3.1.0] - 2020-09-21 ### Added - Allow the user to select the animator to use in a swipe event handler. ### Changed - Update Basictool dependency to 1.5.0. - Update MWT dependency to 3.1.0. ### Removed - Remove dependency to service library. - Remove `ej.bon.Timer` from required types. - Remove `ej.bon.Timer` property. ## [3.0.0] - 2020-08-28 ### Changed - Depends on MicroUI 3 and MWT 3. - Reorganize packages. ### Added - Add Null annotations. - Add an image widget that manage image lifecycle (open / close). ### Removed - Remove animation framework (moved to MWT library). - Remove style framework (moved to MWT library). - Remove several widgets. - Remove some containers. ### Fixed - Fix SwipeEventHandler when: - pointer exits the widget, - included in another SwipeEventHandler with the other direction. - Notify the swipe listener of a SwipeEventHandler only once. ## [2.4.2] - 2019-11-29 ### Fixed - Fix notifyStartAnimation() not called in moveTo(int stop, long duration). ## [2.4.1] - 2019-04-03 ### Added - Add getters for first and last widgets in split. - Add getters for first, center and last widgets in simple dock. - Implement equals() and hashCode() in style classes. ## [2.4.0] - 2019-03-08 ### Changed - Use MMM. ## [2.3.8] - 2019-01-23 ### Fixed - Remove useless call to validate in TransitionContainer. ## [2.3.7] - 2018-12-12 ### Added - Add null analysis annotations. ## [2.3.6] - 2018-12-05 ### Fixed - Fix TextHelper.splitStringInLines() if the string starts with a new line. ## [2.3.5] - 2018-02-01 ### Fixed - Clean Animator cache when no more animations. - Fix Animator.setPeriod() when the animator is running. ## [2.3.4] - 2018-01-31 ### Fixed - IllegalAccessError E=F1 when using SlideTransitionContainer in multi-application context. ## [2.3.3] - 2017-12-19 ### Fixed - Fix SwipeEventHandler when: - pointer exits the widget, - included in another SwipeEventHandler with the other axis. - Notify the animation listener of a SwipeEventHandler only once. - Fix synchronization issue in SlideTransitionContainer. - Optimize SimpleRoundedBorder rendering. ## [2.3.2] - 2017-11-03 ### Fixed - New widget not shown on TransitionContainer when the latter is invisible. - Animator service should always be retrieved using the ServiceLoader.getService() method that takes a default implementation as parameter. ## [2.3.1] - 2017-10-16 ### Fixed - Fixed startAnimation called even if the widget is not visible in ScreenshotTransitionContainer and SlideTransitionContainer. - Start and stop the underlying timer task when the first animation starts or the last animation stops. - Use ej.bon.Util.platformTimeMillis() instead of System.currentTimeMillis as the former is monotonic. - Depend on ej.library.ui#motion;3.1.1 for the same reason. ## [2.3.0] - 2017-09-01 ### Changed - Add a gradient helper. - Add a swipe event handler that helps moving a content under the pointer. - Add methods to update label text and image source without repainting the widget. - Add an active state to the toggle wrapper when pressed (same as button). - Avoid updating style when not necessary. - A text widget can be activated manually (not using library focus). - Simplify buttons: simple elements instead of composite ones. - Add toggle box widget (a box linked to a toggle model). - Manage focus state for all widgets (and composites). - Create scrolling menu. - Create transition container to switch between two widgets with an animation. ### Fixed - Fix bounds of children of elements with a fixed dimension and an alignment. - Fix button not being clicked when the pointer is dragged without exiting. - Reduce clickable zone to inner widgets of button wrapper. - Fix delay in transition managers when swiping. - Fix and optimize the complex text manager. - Fix flow layout. - Fix horizontal screenshot transition with margin applied on navigator. - Exclude margin from clickable area of the elements. - Fix panel child bounds. - DrawScreenHelper does not respect the panels' order. - Fix cropped circle for circular progress bar. ## [2.2.1] - 2017-04-07 ### Fixed - Make library compliant with KF. ## [2.2.0] - 2017-02-13 ### Changed - Add elements icons. - Add button image and animated image friendly names. - The simple navigator can directly show a page. - Provide an adapter for OnValueChangeListener. - Add revalidate of a sub hierarchy. - Panel adjusted to its child can be aligned using styles. - Colorize alpha images in backgrounds. ### Fixed - Add missing annotation for animated image attribute. - Add missing disabled child annotation for toggle and button image. - Reset graphics context between each element rendering. - A button or toggle cannot get focus when it has no child. - Fix ugly and not centered radio box with an even size. - Fix descendant selector. - Manage adjustedToChild property in Toggle and reduce clickable zone to inner widgets. ## [2.1.0] - 2016-12-15 ### Changed - Combinator now uses arrays instead of list for its children. /!\ This is an API break for combinator implementors. ### Fixed - Fix remaining blink task if a Text has the focus when its panel is hidden. - Fix wrapper validation when containing a composite. ## [2.0.0] - 2016-10-20 ### Changed - Specific style on a widget can be removed. - A Wrapper can either adjust to its child or give it its preferred size. - Review navigation framework. - Specify default implementation programmatically (instead of using properties). ### Fixed - Fix rounding problem on lists. - Fix children style update when parent is updated. - Fix descendant selector (last selector does not fit element). - Fix canvas children size when specified. - Fix scroll in a list. ## [2.0.0-alpha.10] - 2016-08-17 ### Changed - Several speed optimizations (mostly scroll & animations & split strings). - Plain backgrounds define the graphics context background color. - Review basic drawn widgets (draw only content & use style to customize). - Use animation framework for all animations. - Optimize widgets heap usage. - Rework navigation framework organization (to integrate new features later). - Add code snippets in widgets javadoc. - Add type or subtype selector. - Add a more complex dock layout. - Automatically remove instance selectors from stylesheet. ### Fixed - Fix _ArrayIndexOutOfBoundsException_ on _StyledPanel.getChild(0)_. - Fix erroneous bounded range percentage compute. ## [2.0.0-alpha.9] - 2016-07-01 ### Changed - Animated image widget. - A style can be set directly on a widget. - Rename FitComposite (and children) to Wrapper. ## [2.0.0-alpha.8] - 2016-07-01 ### Changed - Update annotations dependency (new organization). ## [2.0.0-alpha.7] - 2016-06-28 ### Changed - An editable style can be reused for several rules. - Style associated with a selector can be retrieved from a stylesheet. - The border color is set directly in the style, it is not included in the border. - Canvas defines its children size with their preferred size when not specified. - Default font loader resolves fixed size font profiles. - Empty text shows a place holder (and is in _Empty_ state). ### Fixed - Fix rounded border and background. - Fix scroll with a small content. - Fix flow validation when the children fill all available size. - Fix synchronization problems in stylesheet. ## [2.0.0-alpha.6] - 2016-06-07 ### Changed - Add an animation framework. - Manage font style in font profile resolution. - Accelerate style resolution (style merging, class selector, state selector, combinator with two children, simplify cascading). ### Fixed - Fix stack state after a back until. - Fix dock last child location. - Fix list validation (fix one constraint depending on the orientation). ## [2.0.0-alpha.5] - 2016-05-20 ### Changed - Modify composites add / remove methods. - Invalidate widgets when their content is modified. - Provide a default stylized element implementation. - Manage focus and _SELECT_ command on button and toggle. - Associate a toggle to a group with a group name. - Add central image loading (inspired by font loading). - Add general sibling combinator. - Add elements ID management and ID selector. ### Fixed - Fix list validation (children are now given no constraint). - Fix list getWidget(int) method. ## [2.0.0-alpha.4] - 2016-04-01 - Initial public revision. ### Added - Styling. - Common Widgets. - Common containers. - Navigation mechanism. - Color utilities. --- _Copyright 2018-2026 MicroEJ Corp. All rights reserved._ _This library is provided in source code for use, modification and test, subject to license terms._ _Any modification of the source code will break MicroEJ Corp. warranties on the whole library._