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/*
* Copyright (C) 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 android.app;
/**
* Interface to control the ANR dialog within the activity manager
* {@hide}
*/
public interface AnrController {
/**
* Returns the delay in milliseconds for an ANR dialog that is about to be shown for
* {@code packageName} with {@code uid}.
*
* Implementations should only return a positive value if they actually expect the
* {@code packageName} to be delayed due to them.
* If there are multiple controllers registered, the controller with the max delay will
* be selected and will receive an {@link #onAnrDelayStarted} callback at the start of the
* delay and an {@link #onAnrDelayCompleted} at the end of the delay.
*/
long getAnrDelayMillis(String packageName, int uid);
/**
* Notifies the controller at the start of the ANR dialog delay for {@code packageName} with
* {@code uid}. The controller can decide to show a progress UI after this notification.
*/
void onAnrDelayStarted(String packageName, int uid);
/**
* Notifies the controller at the end of the ANR dialog delay for {@code packageName} with
* {@code uid}.
*
* @return whether the ANR dialog should be shown or cancelled. {@code true} if the
* ANR dialog should be shown, {@code false} if it should be cancelled.
*/
boolean onAnrDelayCompleted(String packageName, int uid);
}
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