FragmentResultListener.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.fragment.app;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.lifecycle.LifecycleOwner;
/**
* Listener for handling fragment results.
*
* This object should be passed to
* {@link FragmentManager#setFragmentResultListener(String, LifecycleOwner, FragmentResultListener)}
* and it will listen for results with the same key that are passed into
* {@link FragmentManager#setFragmentResult(String, Bundle)}.
*
* @see FragmentResultOwner#setFragmentResultListener
*/
public interface FragmentResultListener {
/**
* Callback used to handle results passed between fragments.
*
* @param requestKey key used to store the result
* @param result result passed to the callback
*/
void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result);
}