ImageWriterCompatApi26Impl.java
/*
* Copyright 2020 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.internal.compat;
import android.media.ImageWriter;
import android.os.Build;
import android.util.Log;
import android.view.Surface;
import androidx.annotation.IntRange;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.core.util.Preconditions;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@RequiresApi(26)
final class ImageWriterCompatApi26Impl {
private static final String TAG = "ImageWriterCompatApi26";
private static Method sNewInstanceMethod;
static {
try {
sNewInstanceMethod = ImageWriter.class.getMethod("newInstance", Surface.class,
int.class, int.class);
} catch (NoSuchMethodException e) {
Log.i(TAG, "Unable to initialize via reflection.", e);
}
}
@NonNull
static ImageWriter newInstance(@NonNull Surface surface, @IntRange(from = 1) int maxImages,
int format) {
Throwable t = null;
if (Build.VERSION.SDK_INT >= 26) {
try {
return (ImageWriter) Preconditions.checkNotNull(
sNewInstanceMethod.invoke(null, surface, maxImages, format));
} catch (IllegalAccessException | InvocationTargetException e) {
t = e;
}
}
throw new RuntimeException("Unable to invoke newInstance(Surface, int, int) via "
+ "reflection.", t);
}
// Class should not be instantiated.
private ImageWriterCompatApi26Impl() {
}
}