CameraCharacteristicsBaseImpl.java
/*
* Copyright 2021 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.camera2.internal.compat;
import android.hardware.camera2.CameraCharacteristics;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import java.util.Collections;
import java.util.Set;
@RequiresApi(21)
class CameraCharacteristicsBaseImpl
implements CameraCharacteristicsCompat.CameraCharacteristicsCompatImpl {
@NonNull
protected final CameraCharacteristics mCameraCharacteristics;
CameraCharacteristicsBaseImpl(@NonNull CameraCharacteristics cameraCharacteristics) {
mCameraCharacteristics = cameraCharacteristics;
}
@Nullable
@Override
public <T> T get(@NonNull CameraCharacteristics.Key<T> key) {
return mCameraCharacteristics.get(key);
}
@NonNull
@Override
public Set<String> getPhysicalCameraIds() {
return Collections.emptySet();
}
@NonNull
@Override
public CameraCharacteristics unwrap() {
return mCameraCharacteristics;
}
}