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Added in API level 8
Deprecated since API level 21

public static interface Camera.OnZoomChangeListener

android.hardware.Camera.OnZoomChangeListener

该接口在API级别21中已被弃用。
我们建议将新的android.hardware.camera2 API用于新应用程序。

平滑缩放操作过程中缩放的回调界面会发生变化。

也可以看看：

Public methods
`abstract void`	`onZoomChange(int zoomValue, boolean stopped, Camera camera)` 在平滑缩放期间缩放值发生变化时调用。

Added in API level 8

void onZoomChange (int zoomValue, 
                boolean stopped, 
                Camera camera)

在平滑缩放期间缩放值发生变化时调用。

Parameters
`zoomValue`	`int`: the current zoom value. In smooth zoom mode, camera calls this for every new zoom value.
`stopped`	`boolean`: whether smooth zoom is stopped. If the value is true, this is the last zoom update for the application.
`camera`	`Camera`: the Camera service object