VinScannerFrameHandler

All Implemented Interfaces:
```
public final class VinScannerFrameHandler
extends FrameHandler
                    
```
Performs VIN recognition on camera preview frames. Outputs results via VinScannerFrameHandler.ResultHandler.
Preview frame considered intercepted if at least one VinScannerFrameHandler.ResultHandler returns true from VinScannerFrameHandler.ResultHandler.handle

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public interface`	`VinScannerFrameHandler.ResultHandler`	Continuously notified about VIN recognition results.
`public abstract class`	`VinScannerFrameHandler.TextRecognitionScannerResultHandler`	Successor-class needed for cross-platform implementation.

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description
`VinScannerFrameHandler(VinScanner vinScanner)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`Boolean`	`handleFrame(FrameHandler.Frame previewFrame)`	Invoked for every new camera preview frame.
`final Unit`	`addResultHandler(VinScannerFrameHandler.ResultHandler resultHandler)`	Registers result handler which will be notified about VIN recognition results.
`final Unit`	`removeResultHandler(VinScannerFrameHandler.ResultHandler resultHandler)`	Unregisters handler.
`final Unit`	`clearResultHandlers()`	Unregisters all handlers.
`final static VinScannerFrameHandler`	`attach(IScanbotCameraView cameraView, VinScanner vinScanner)`	Convenience method for creating new VinScannerFrameHandler and adding it as FrameHandler to given camera view.

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

- Constructor Detail
  - VinScannerFrameHandler
```
VinScannerFrameHandler(VinScanner vinScanner)
```
- Method Detail
  - handleFrame
```
@Synchronized() Boolean handleFrame(FrameHandler.Frame previewFrame)
```
    Invoked for every new camera preview frame.
    
    Parameters:
    
    previewFrame - captured preview frame data
  - addResultHandler
```
 final Unit addResultHandler(VinScannerFrameHandler.ResultHandler resultHandler)
```
    Registers result handler which will be notified about VIN recognition results.
    Results are coming on the worker thread. Don't forget to move execution to main thread before updating UI.
    
    Parameters:
    
    resultHandler - handler to register.
  - removeResultHandler
```
 final Unit removeResultHandler(VinScannerFrameHandler.ResultHandler resultHandler)
```
    Unregisters handler.
    
    Parameters:
    
    resultHandler - handler to unregister.
  - clearResultHandlers
```
 final Unit clearResultHandlers()
```
    Unregisters all handlers. If nothing was registered before, nothing happens.
  - attach
```
 final static VinScannerFrameHandler attach(IScanbotCameraView cameraView, VinScanner vinScanner)
```
    Convenience method for creating new VinScannerFrameHandler and adding it as FrameHandler to given camera view.
    
    Parameters:
    
    cameraView - cameraView to attach handler to
    
    vinScanner - scanner to perform ID card detection