```
public interface CameraInterface

                    
```
Internal use only.
An interface which defines an API for the camera used with the Gini Capture SDK.
We use this interface with the deprecated Camera API and the new Camera2 API to publish a common API for the required camera features.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public interface`	`CameraInterface.TapToFocusListener`	Listener for tap to focus.
`public interface`	`CameraInterface.PreviewCallback`	Callback to receive preview images.
`public interface`	`CameraInterface.PreviewFrameCallback`	Callback to receive preview frame related state changes.

Method Summary

Modifier and Type	Method	Description
`abstract CompletableFuture<Void>`	`open()`	Opens the first back-facing camera.
`abstract void`	`close()`	Closes the camera.
`abstract CompletableFuture<Void>`	`startPreview()`	Starts the camera preview.
`abstract void`	`stopPreview()`	Stops the camera preview.
`abstract boolean`	`isPreviewRunning()`	Get the state of the preview.
`abstract void`	`enableTapToFocus(@Nullable() CameraInterface.TapToFocusListener listener)`	Enables tap-to-focus using the given view by adding touch handling to it and transforming the touch point coordinatesto the camera sensor's coordinate system.
`abstract void`	`disableTapToFocus()`	Disables tap-to-focus.
`abstract CompletableFuture<Boolean>`	`focus()`	Start a focus run.
`abstract CompletableFuture<Photo>`	`takePicture()`	Take a picture with the camera.
`abstract void`	`setPreviewCallback(@Nullable() CameraInterface.PreviewCallback previewCallback)`	Set a callback to recieve preview images from the camera.
`abstract View`	`getPreviewView(@NonNull() Context context)`	The view which shows the camera preview.
`abstract boolean`	`isFlashAvailable()`
`abstract boolean`	`isFlashEnabled()`
`abstract void`	`setFlashEnabled(boolean enabled)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - open
```
@NonNull() abstract CompletableFuture<Void> open()
```
    Opens the first back-facing camera.
  - close
```
 abstract void close()
```
    Closes the camera.
  - startPreview
```
@NonNull() abstract CompletableFuture<Void> startPreview()
```
    Starts the camera preview.
  - stopPreview
```
 abstract void stopPreview()
```
    Stops the camera preview.
  - isPreviewRunning
```
 abstract boolean isPreviewRunning()
```
    Get the state of the preview.
  - enableTapToFocus
```
 abstract void enableTapToFocus(@Nullable() CameraInterface.TapToFocusListener listener)
```
    Enables tap-to-focus using the given view by adding touch handling to it and transforming the touch point coordinatesto the camera sensor's coordinate system.
    Note: the view should have the same size as the camera preview and be above it. You could also set thecamera preview android.view.SurfaceView directly as the tap view..
    
    Parameters:
    
    listener - the listener for tap to focus events
  - disableTapToFocus
```
 abstract void disableTapToFocus()
```
    Disables tap-to-focus.
  - focus
```
@NonNull() abstract CompletableFuture<Boolean> focus()
```
    Start a focus run.
  - takePicture
```
@NonNull() abstract CompletableFuture<Photo> takePicture()
```
    Take a picture with the camera.
  - setPreviewCallback
```
 abstract void setPreviewCallback(@Nullable() CameraInterface.PreviewCallback previewCallback)
```
    Set a callback to recieve preview images from the camera.
    
    Parameters:
    
    previewCallback - callback implementation
  - getPreviewView
```
 abstract View getPreviewView(@NonNull() Context context)
```
    The view which shows the camera preview.
    
    Parameters:
    
    context - Android context
  - isFlashAvailable
```
 abstract boolean isFlashAvailable()
```
  - isFlashEnabled
```
 abstract boolean isFlashEnabled()
```
  - setFlashEnabled
```
 abstract void setFlashEnabled(boolean enabled)
```

Interface CameraInterface

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

open

close

startPreview

stopPreview

isPreviewRunning

enableTapToFocus

disableTapToFocus

focus

takePicture

setPreviewCallback

getPreviewView

isFlashAvailable

isFlashEnabled

setFlashEnabled