2 files changed, 35 insertions, 0 deletions
diff --git a/core/java/android/app/ActivityManagerInternal.java b/core/java/android/app/ActivityManagerInternal.java
index 9b6f4b43581b..c31c22cca329 100644
--- a/core/java/android/app/ActivityManagerInternal.java
+++ b/core/java/android/app/ActivityManagerInternal.java
@@ -538,4 +538,10 @@ public abstract class ActivityManagerInternal {
      * @return mBootTimeTempAllowlistDuration of ActivityManagerConstants.
      */
     public abstract long getBootTimeTempAllowListDuration();
+
+    /** Register an {@link AnrController} to control the ANR dialog behavior */
+    public abstract void registerAnrController(AnrController controller);
+
+    /** Unregister an {@link AnrController} */
+    public abstract void unregisterAnrController(AnrController controller);
 }
diff --git a/core/java/android/app/AnrController.java b/core/java/android/app/AnrController.java
new file mode 100644
index 000000000000..cfc9d2715720
--- /dev/null
+++ b/core/java/android/app/AnrController.java
@@ -0,0 +1,29 @@
+/*
+ * 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}.
+     */
+    long getAnrDelayMillis(String packageName, int uid);
+}