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Create SystemApi for statsd ready broadcast

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The statsd ready broadcast needs to be sent from statsd apex with
Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND flag that is @hide and cannot be
promoted to @SystemApi.
In R, this was worked around by getting the list of registered broadcast
receivers and sending them directed broadcasts to wake them up in
ag/10404099.
However, this is inefficient if there are multiple receivers so this
change creates a SystemApi for sending the actual broadcast with the
flag as recommended in ag/10404099 after it was submitted.

Bug: 150746848
Test: m
Test: flash
Test: ensure broadcast is received via logcat
CTS-Coverage-Bug: 184014462

Change-Id: I5103d8c6e87bdb47930cb7457731050da3d8e566
This commit is contained in:
Muhammad Qureshi
2021-03-22 20:26:55 -07:00
parent d99447b68f
commit ba6e2cf58e
3 changed files with 61 additions and 0 deletions
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8
services/api/current.txt
View File

@@ -105,6 +105,14 @@ package com.android.server.role {
} }
package com.android.server.stats {
public final class StatsHelper {
method public static void sendStatsdReadyBroadcast(@NonNull android.content.Context);
}
}
package com.android.server.wifi { package com.android.server.wifi {
public class SupplicantManager { public class SupplicantManager {

8
services/api/non-updatable-current.txt
View File

@@ -52,6 +52,14 @@ package com.android.server.role {
} }
package com.android.server.stats {
public final class StatsHelper {
method public static void sendStatsdReadyBroadcast(@NonNull android.content.Context);
}
}
package com.android.server.wifi { package com.android.server.wifi {
public class SupplicantManager { public class SupplicantManager {

45
services/core/java/com/android/server/stats/StatsHelper.java Normal file
View File

@@ -0,0 +1,45 @@
/*
* 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 com.android.server.stats;
import static android.app.StatsManager.ACTION_STATSD_STARTED;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.content.Context;
import android.content.Intent;
import android.os.UserHandle;
/**
* Provides helper methods for the Statsd APEX
*
* @hide
**/
@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
public final class StatsHelper {
private StatsHelper() {}
/**
* Send statsd ready broadcast
*
**/
public static void sendStatsdReadyBroadcast(@NonNull final Context context) {
context.sendBroadcastAsUser(
new Intent(ACTION_STATSD_STARTED).addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND),
UserHandle.SYSTEM, android.Manifest.permission.DUMP);
}
}