PreviewCallback (zxing-android-embedded 4.2.0 API)

```
public interface PreviewCallback
```
Callback for camera previews.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onPreview(SourceData sourceData)
  
  void onPreviewError(Exception e)

Method Detail

onPreview

void onPreview(SourceData sourceData)

onPreviewError
```
void onPreviewError(Exception e)
```