ShakeCallback (LibDocumentVerification API)

```
public interface ShakeCallback
```

Field Summary

Fields
Modifier and Type Field Description

static ShakeCallback EMPTY

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onShakingStarted()`	Called when device starts to shake/move.
`void`	`onShakingStopped()`	Called when device stops shaking/moving.

- Field Detail
  - EMPTY
```
@NonNull
static final ShakeCallback EMPTY
```
- Method Detail
  - onShakingStarted
```
void onShakingStarted()
```
    Called when device starts to shake/move.
  - onShakingStopped
```
void onShakingStopped()
```
    Called when device stops shaking/moving.