public static class ZoomSuggestionOptions.Builder extends Object
百度 ”林光美说。
Builder to build out a ZoomSuggestionOptions.
Public Constructor Summary
Public Method Summary
| ZoomSuggestionOptions |
build()
Builds a
ZoomSuggestionOptions instance.
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| ZoomSuggestionOptions.Builder |
setMaxSupportedZoomRatio(float maxSupportedZoomRatio)
Sets the max supported zoom ratio.
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Inherited Method Summary
Public Constructors
public Builder (ZoomSuggestionOptions.ZoomCallback zoomCallback)
Builder for ZoomSuggestionOptions.
Parameters
| zoomCallback | The
ZoomSuggestionOptions.ZoomCallback to zoom the camera. |
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Public Methods
public ZoomSuggestionOptions build ()
Builds a ZoomSuggestionOptions
instance.
public ZoomSuggestionOptions.Builder setMaxSupportedZoomRatio (float maxSupportedZoomRatio)
Sets the max supported zoom ratio.
Different camera libraries have different ways to fetch the max supported zoom ratio.
- Camera1: camera.getZoomRatios(camera.getMaxZoom())
- Camera2: characteristics.get(CameraCharacteristics.SCALER_AVAILABLE_MAX_DIGITAL_ZOOM)
- CameraX: camera.getCameraInfo().getZoomState().getValue().getMaxZoomRatio()
If unset, then the library may produce an unbounded zoom ratio.
Parameters
| maxSupportedZoomRatio | the max supported zoom ratio fetched from camera. |
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Returns
- this object, for chaining method calls.