Camera2CameraFilter.Camera2Filter
public
static
interface
Camera2CameraFilter.Camera2Filter
| androidx.camera.camera2.interop.Camera2CameraFilter.Camera2Filter |
An interface that filters cameras based on camera IDs and characteristics. Applications can implement the filter method for custom camera selection.
Summary
Public methods | |
|---|---|
abstract
LinkedHashMap<String, CameraCharacteristics>
|
filter(LinkedHashMap<String, CameraCharacteristics> idCharacteristicsMap)
Filters a map of camera IDs and their |
Public methods
filter
public abstract LinkedHashMap<String, CameraCharacteristics> filter (LinkedHashMap<String, CameraCharacteristics> idCharacteristicsMap)
Filters a map of camera IDs and their CameraCharacteristics then returns those
matching the requirements.
If the key set of the output map contains camera IDs not in the key set of the
input map, when used by a CameraSelector then it will
result in an IllegalArgumentException thrown when calling bindToLifecycle.
The camera ID that has lower index in the map has higher priority. When used by
CameraSelector.Builder.addCameraFilter(CameraFilter), the
available cameras will be filtered by the Camera2CameraFilter and all other
CameraFilters by the order they were added. The first camera in the result
will be selected if there are multiple cameras left.
| Parameters | |
|---|---|
idCharacteristicsMap |
LinkedHashMap: The input map of camera IDs and their
CameraCharacteristics of the cameras being
filtered. It's not expected to be modified. |
| Returns | |
|---|---|
LinkedHashMap<String, CameraCharacteristics> |
The output map of camera IDs and their CameraCharacteristics that
match the requirements. Users are expected to create a new map to return with.
|