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CameraFilter

interface CameraFilter
androidx.camera.core.CameraFilter

An interface for filtering cameras.

Summary

Public methods
abstract MutableList<CameraInfo!>
filter(@NonNull cameraInfos: MutableList<CameraInfo!>)

Filters a list of CameraInfos and returns those matching the requirements.

Public methods

filter

@NonNull abstract fun filter(@NonNull cameraInfos: MutableList<CameraInfo!>): MutableList<CameraInfo!>

Filters a list of CameraInfos and returns those matching the requirements.

If the output list contains CameraInfos not in the input list, when used by a androidx.camera.core.CameraSelector then it will result in an IllegalArgumentException thrown when calling bindToLifecycle.

The CameraInfo that has lower index in the list has higher priority. When used by androidx.camera.core.CameraSelector.Builder#addCameraFilter(CameraFilter), the available cameras will be filtered by all CameraFilters by the order they were added. The first camera in the result will be selected if there are multiple cameras left.

Parameters
cameraInfos MutableList<CameraInfo!>: An unmodifiable list of CameraInfos being filtered.
Return
MutableList<CameraInfo!> The output list of CameraInfos that match the requirements. Users are expected to create a new list to return with.