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A framework for building native apps with React
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.modules.core;
/**
* Interface used by {@link DeviceEventManagerModule} to delegate hardware back button events. It's
* suppose to provide a default behavior since it would be triggered in the case when JS side
* doesn't want to handle back press events.
*/
public interface DefaultHardwareBackBtnHandler {
/**
* By default, all onBackPress() calls should not execute the default backpress handler and should
* instead propagate it to the JS instance. If JS doesn't want to handle the back press itself,
* it shall call back into native to invoke this function which should execute the default handler
*/
void invokeDefaultOnBackPressed();
}