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A flutter package which will help you to create a draggable widget that can be dragged around the screen.

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adar2378/draggable_widget

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License: MIT Version

A flutter package which will help you to create a draggable widget that can be dragged around the screen.

Demo

Features 💚

  • Manually Control the position of the widget along with drags.
  • Automatically resizes itself when the widget changes
  • Highly customizable
  • Supports Flutter web as well

Properties 🔖

/// The widget that will be displayed as dragging widget
  final Widget child;

  /// The horizontal padding around the widget
  final double horizontalSpace;

  /// The vertical padding around the widget
  final double verticalSpace;

  /// Intial location of the widget, default to [AnchoringPosition.bottomRight]
  final AnchoringPosition initialPosition;

  /// Intially should the widget be visible or not, default to [true]
  final bool intialVisibility;

  /// The top bottom pargin to create the bottom boundary for the widget, for example if you have a [BottomNavigationBar],
  /// then you may need to set the bottom boundary so that the draggable button can't get on top of the [BottomNavigationBar]
  final double bottomMargin;

  /// The top bottom pargin to create the top boundary for the widget, for example if you have a [AppBar],
  /// then you may need to set the bottom boundary so that the draggable button can't get on top of the [AppBar]
  final double topMargin;

  /// Status bar's height, default to 24
  final double statusBarHeight;

  /// Shadow's border radius for the draggable widget, default to 10
  final double shadowBorderRadius;

  /// A drag controller to show/hide or move the widget around the screen
  final DragController? dragController;

  /// [BoxShadow] when the widget is not being dragged, default to
  /// ```Dart
  ///const BoxShadow(
  ///     color: Colors.black38,
  ///    offset: Offset(0, 4),
  ///    blurRadius: 2,
  ///  ),
  /// ```

  final BoxShadow normalShadow;

  /// [BoxShadow] when the widget is being dragged
  ///```Dart
  ///const BoxShadow(
  ///     color: Colors.black38,
  ///    offset: Offset(0, 10),
  ///    blurRadius: 10,
  ///  ),
  /// ```
  final BoxShadow draggingShadow;

  /// How much should the [DraggableWidget] be scaled when it is being dragged, default to 1.1
  final double dragAnimationScale;

AnchoringPosition can be among these 4 types

enum AnchoringPosition {
  topLeft,
  topRight,
  bottomLeft,
  bottomRight,
  center
}

How to use

Stack(
  children:[
    // other widgets...
    DraggableWidget(
      bottomMargin: 80,
      topMargin: 80,
      intialVisibility: true,
      horizontalSpace: 20,
      shadowBorderRadius: 50,
      child: Container(
        height: 100,
        width: 100,
        decoration: BoxDecoration(
          shape: BoxShape.circle,
          color: Colors.blue,
        ),
      ),
      initialPosition: AnchoringPosition.bottomLeft,
      dragController: dragController,
    ),
  ],
)

DragController Functionality

/// Jump to any [AnchoringPosition] programatically
void jumpTo(AnchoringPosition anchoringPosition)

/// Get the current screen [Offset?] of the widget
Offset? getCurrentPosition()

/// Makes the widget visible
void showWidget()

/// Hide the widget
void hideWidget()

Run the example app in the exmaple folder to find out more about how to use it.

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A flutter package which will help you to create a draggable widget that can be dragged around the screen.

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