ZoomTransaction

All Implemented Interfaces:

android.hardware.Camera.OnZoomChangeListener
```
public final class ZoomTransaction
 implements Camera.OnZoomChangeListener
                    
```
Class for processing a zoom request. Create an instance of this by calling zoomTo() on a CameraFragment or CameraView.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`ZoomTransaction`	`onComplete(Runnable onComplete)`	Call this to specify a Runnable to be executed when the zoom operation is complete.
`ZoomTransaction`	`onChange(Camera.OnZoomChangeListener onChange)`	Call this to specify an OnZoomChangeListener to be notified of changes in the zoom level.
`void`	`go()`	Actually performs the zoom.
`void`	`cancel()`	Cancels an outstanding smooth zoom request.
`void`	`onZoomChange(int zoomValue, boolean stopped, Camera camera)`

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

- Constructor Detail
- Method Detail
  - onComplete
```
 ZoomTransaction onComplete(Runnable onComplete)
```
    Call this to specify a Runnable to be executed when the zoom operation is complete.
    
    Parameters:
    
    onComplete - a Runnable
  - onChange
```
 ZoomTransaction onChange(Camera.OnZoomChangeListener onChange)
```
    Call this to specify an OnZoomChangeListener to be notified of changes in the zoom level. For a smooth zoom, this will be called for each change in the zoom level. For a non-smooth zoom, this will be called once, at the end.
    
    Parameters:
    
    onChange - the listener for zoom change events
  - go
```
 void go()
```
    Actually performs the zoom. If smooth zooming is supported, the zoom begins but happens asynchronously. If smoooth zooming is not supported, the zoom happens immediately, and your callback objects (OnZoomChangedListener, Runnable) are immediately invoked.
  - cancel
```
 void cancel()
```
    Cancels an outstanding smooth zoom request. Call this after go() and before your onCompleted Runnable is invoked.
  - onZoomChange
```
 void onZoomChange(int zoomValue, boolean stopped, Camera camera)
```