Compose Modifier
dragAndDropSource
Common
```kotlin
fun Modifier.dragAndDropSource(transferData: (Offset) -> DragAndDropTransferData?): Modifier
```
A `Modifier` that allows an element it is applied to be treated like a source for drag and drop
operations. It displays the element dragged as a drag shadow.
Learn how to use `Modifier.dragAndDropSource`:
#### Parameters
| | |
| --- | --- |
| transferData | A function that receives the current offset of the drag operation and returns the `DragAndDropTransferData` to be transferred. If null is returned, the drag and drop transfer won't be started. |
dragAndDropSource
Common
```kotlin
fun Modifier.dragAndDropSource(
drawDragDecoration: DrawScope.() -> Unit,
transferData: (Offset) -> DragAndDropTransferData?,
): Modifier
```
A `Modifier` that allows an element it is applied to be treated like a source for drag and drop
operations.
Learn how to use `Modifier.dragAndDropSource` while providing a custom drag shadow:
#### Parameters
| | |
| --- | --- |
| drawDragDecoration | provides the visual representation of the item dragged during the drag and drop gesture. |
| transferData | A function that receives the current offset of the drag operation and returns the `DragAndDropTransferData` to be transferred. If null is returned, the drag and drop transfer won't be started. |
Android
> **Deprecated** Replaced by overload with a callback for obtain a transfer data,start detection is performed by Compose itself
dragAndDropSource
```kotlin
@ExperimentalFoundationApi
fun Modifier.dragAndDropSource(block: suspend DragAndDropSourceScope.() -> Unit): Modifier
```
A Modifier that allows an element it is applied to to be treated like a source for drag and drop
operations. It displays the element dragged as a drag shadow.
Learn how to use `Modifier.dragAndDropSource`:
#### Parameters
| | |
| --- | --- |
| block | A lambda with a `DragAndDropSourceScope` as a receiver which provides a `PointerInputScope` to detect the drag gesture, after which a drag and drop gesture can be started with `DragAndDropSourceScope.startTransfer`. |
Android
> **Deprecated** Replaced by overload with a callback for obtain a transfer data,start detection is performed by Compose itself
dragAndDropSource
```kotlin
@ExperimentalFoundationApi
fun Modifier.dragAndDropSource(
drawDragDecoration: DrawScope.() -> Unit,
block: suspend DragAndDropSourceScope.() -> Unit,
): Modifier
```
A Modifier that allows an element it is applied to to be treated like a source for drag and drop
operations.
Learn how to use `Modifier.dragAndDropSource` while providing a custom drag shadow:
#### Parameters
| | |
| --- | --- |
| drawDragDecoration | provides the visual representation of the item dragged during the drag and drop gesture. |
| block | A lambda with a `DragAndDropSourceScope` as a receiver which provides a `PointerInputScope` to detect the drag gesture, after which a drag and drop gesture can be started with `DragAndDropSourceScope.startTransfer`. |