update to internal commit 777ab408

Author: DMGithubPublisher

_config.yml

@@ -3,6 +3,8 @@ repository: dynamsoft-docs/camera-enhancer-docs-mobile
 docFullPath: https://www.dynamsoft.com/camera-enhancer/docs/mobile/
 firstLevelUrl: /camera-enhancer/docs/mobile
 docHomePage: /camera-enhancer/docs/core/introduction/
+needSearchIndex: true
+searchNeedFilter: true
 
 productUrl: https://www.dynamsoft.com/camera-enhancer/overview/
 productName: Dynamsoft Camera Enhancer

programming/android/auxiliary-api/interface-zoomfactorchangelistener.md

@@ -0,0 +1,39 @@
+---
+layout: default-layout
+title: ZoomFactorChangeListener - Dynamsoft Camera Enhancer Android Edition API Reference
+description: The interface ZoomFactorChangeListener of DynamsoftCameraEnhancer defines the methods for monitoring the change of the zoom-factor.
+keywords: photo listener, Java, Kotlin
+needGenerateH3Content: true
+needAutoGenerateSidebar: true
+noTitleIndex: true
+---
+
+# ZoomFactorChangeListener
+
+The `ZoomFactorChangeListener` interface defines the methods for monitoring the change of the zoom-factor.
+
+## Definition
+
+*Assembly:* package com.dynamsoft.dce
+
+```java
+interface ZoomFactorChangeListener
+```
+
+## Methods
+
+| Method | Description |
+|------- |-------------|
+| [`onZoomFactorChanged`](#onphotooutput) | The method for monitoring the change of the zoom-factor. |
+
+### onZoomFactorChanged
+
+The method for monitoring the change of the zoom-factor.
+
+```java
+void onZoomFactorChanged(float currentZoomFactor);
+```
+
+**Parameters**
+
+`currentZoomFactor`: The current zoom-factor.

programming/android/primary-api/camera-enhancer.md

@@ -71,6 +71,7 @@ class CameraEnhancer extends ImageSourceAdapter
 | [`getAllCameras`](#getallcameras) | Get the IDs of all available cameras. |
 | [`selectCamera`](#selectcamera) | Select a camera with a camera ID. |
 | [`getSelectedCamera`](#getselectedcamera) | Get the currently actived camera. |
+| [`setZoomFactorChangeListener`](#setzoomfactorchangelistener) | Set a `ZoomFactorChangeListener` to receive callback when the zoom-factor changed. |
 
 ## Inherited Methods
 
@@ -696,3 +697,15 @@ String getSelectedCamera(){}
 **Return Value**
 
 The ID of the currently actived camera.
+
+### setZoomFactorChangeListener
+
+Set a [`ZoomFactorChangeListener`](../auxiliary-api/interface-zoomfactorchangelistener.md) to receive callback when the zoom-factor changed.
+
+```java
+void setZoomFactorChangeListener(ZoomFactorChangeListener listener);
+```
+
+**Parameters**
+
+`listener`: A [`ZoomFactorChangeListener`](../auxiliary-api/interface-zoomfactorchangelistener.md) to receive callback when the zoom-factor changed.

programming/ios/auxiliary-api/protocol-zoomfactorchangelistener.md

@@ -0,0 +1,58 @@
+---
+layout: default-layout
+title: DSZoomFactorChangeListener - DynamsoftCameraEnhancer iOS Edition API Reference
+description: The protocol DSZoomFactorChangeListener of DynamsoftCameraEnhancer defines the methods for monitoring the change of the zoom-factor.
+keywords: photo listener, objective-c, swift
+needGenerateH3Content: true
+needAutoGenerateSidebar: true
+noTitleIndex: true
+---
+
+# DSZoomFactorChangeListener
+
+The `DSZoomFactorChangeListener` protocol defines the methods for monitoring the change of the zoom-factor.
+
+## Definition
+
+*Assembly:* DynamsoftCameraEnhancer
+.xcframework
+
+<div class="sample-code-prefix"></div>
+>- Objective-C
+>- Swift
+>
+>1. 
+```objc
+@protocol DSZoomFactorChangeListener <NSObject>
+```
+2. 
+```swift
+protocol ZoomFactorChangeListener : NSObjectProtocol
+```
+
+## Methods
+
+| Method | Description |
+|------- |-------------|
+| [`onZoomFactorChanged`](#onzoomfactorchanged) | The method for monitoring the change of the zoom-factor. |
+
+### onZoomFactorChanged
+
+The method for monitoring the change of the zoom-factor.
+
+<div class="sample-code-prefix"></div>
+>- Objective-C
+>- Swift
+>
+>1. 
+```objc
+- (void)onZoomFactorChanged:(CGFloat)currentZoomFactor;
+```
+2. 
+```swift
+func onZoomFactorChanged(currentZoomFactor: CGFloat)
+```
+
+**Parameters**
+
+`currentZoomFactor`: The current zoom-factor.

programming/ios/primary-api/camera-enhancer.md

@@ -72,6 +72,7 @@ class CameraEnhancer : ImageSourceAdapter
 | [`getAllCameras`](#getallcameras) | Get the IDs of all available cameras. |
 | [`selectCamera`](#selectcamera) | Select a camera with a camera ID. |
 | [`getSelectedCamera`](#getselectedcamera) | Get the currently actived camera. |
+| [`setZoomFactorChangeListener`](#setzoomfactorchangelistener) | Set a `DSZoomFactorChangeListener` to receive callback when the zoom-factor changed. |
 
 ## Attributes
 
@@ -1060,3 +1061,24 @@ func getSelectedCamera() -> String
 **Return Value**
 
 The ID of the currently actived camera.
+
+### setZoomFactorChangeListener
+
+Set a [`DSZoomFactorChangeListener`](../auxiliary-api/protocol-zoomfactorchangelistener.md) to receive callback when the zoom-factor changed.
+
+<div class="sample-code-prefix"></div>
+>- Objective-C
+>- Swift
+>
+>1. 
+```objc
+- (void)setZoomFactorChangeListener:(nullable id<DSZoomFactorChangeListener>)listener;
+```
+2. 
+```swift
+func setZoomFactorChangeListener(_ listener: DSZoomFactorChangeListener?)
+```
+
+**Parameters**
+
+`listener`: A delegate object of [`DSZoomFactorChangeListener`](../auxiliary-api/protocol-zoomfactorchangelistener.md) to receive zoom-factor changed notification.