MrzScannerFrameHandler

All Implemented Interfaces:
```
public final class MrzScannerFrameHandler
extends FrameHandler
                    
```
Performs MRZ data detection on camera preview frames. Outputs results via MrzScannerFrameHandler.ResultHandler (.addResultHandler).
Preview frame considered intercepted if at least one MrzScannerFrameHandler.ResultHandler returns true from MrzScannerFrameHandler.ResultHandler.handle

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public interface`	`MrzScannerFrameHandler.ResultHandler`	Continuously notified about MRZ data detection results.
`public abstract class`	`MrzScannerFrameHandler.MrzScannerResultHandler`	Successor-class needed for cross-platform implementation

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description
`MrzScannerFrameHandler(Context context, MrzScanner mrzScanner)`
`MrzScannerFrameHandler(MrzScanner mrzScanner)`

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(MrzScannerFrameHandler.ResultHandler handler)`	Registers result handler which will be notified about MRZ data detection results.
`final Unit`	`removeResultHandler(MrzScannerFrameHandler.ResultHandler handler)`	Unregisters handler.
`final static MrzScannerFrameHandler`	`attach(IScanbotCameraView cameraView, MrzScanner mrzScanner)`	Convenience method for creating new MrzScannerFrameHandler 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
  - MrzScannerFrameHandler
```
MrzScannerFrameHandler(Context context, MrzScanner mrzScanner)
```
  - MrzScannerFrameHandler
```
MrzScannerFrameHandler(MrzScanner mrzScanner)
```
- 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(MrzScannerFrameHandler.ResultHandler handler)
```
    Registers result handler which will be notified about MRZ data detection results.
    Results are coming on the worker thread. Don't forget to move execution to main thread before updating UI.
    
    Parameters:
    
    handler - handler to register.
  - removeResultHandler
```
 final Unit removeResultHandler(MrzScannerFrameHandler.ResultHandler handler)
```
    Unregisters handler.
    
    Parameters:
    
    handler - handler to unregister.
  - attach
```
 final static MrzScannerFrameHandler attach(IScanbotCameraView cameraView, MrzScanner mrzScanner)
```
    Convenience method for creating new MrzScannerFrameHandler and adding it as FrameHandler to given camera view.
    
    Parameters:
    
    cameraView - camera view to which new MRZ data detector will be attached