CameraFactory.java
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.camera.core;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import java.util.Set;
/**
* The factory class that creates {@link BaseCamera} instances.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public interface CameraFactory {
/** Gets the camera with the associated id. */
BaseCamera getCamera(String cameraId);
/** Gets ids for all the available cameras. */
Set<String> getAvailableCameraIds() throws CameraInfoUnavailableException;
/**
* Gets the id of the camera with the specified lens facing. Returns null if there's no
* camera with specified lens facing.
*/
@Nullable
String cameraIdForLensFacing(@NonNull CameraX.LensFacing lensFacing)
throws CameraInfoUnavailableException;
/** Gets a {@link LensFacingCameraIdFilter} with specified lens facing. */
@NonNull
LensFacingCameraIdFilter getLensFacingCameraIdFilter(@NonNull CameraX.LensFacing lensFacing);
}