ActivityUtil.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.window;
import android.app.Activity;
import android.os.IBinder;
import androidx.annotation.Nullable;
/**
* A class to contain utility methods related to an {@link Activity}.
*/
final class ActivityUtil {
private ActivityUtil() {}
@Nullable
static IBinder getActivityWindowToken(@Nullable Activity activity) {
if (activity == null) {
return null;
}
return activity.getWindow() != null ? activity.getWindow().getAttributes().token : null;
}
}