Merge "Implemented push API for a more performant method to fetch BIC apps." into main (f286b133) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/IBackgroundInstallControlService.aidl

+5 −0

Original line number	Diff line number	Diff line
		@@ -17,10 +17,15 @@
		package android.content.pm;

		import android.content.pm.ParceledListSlice;
		import android.os.IRemoteCallback;

		/**
		* {@hide}
		*/
		interface IBackgroundInstallControlService {
		ParceledListSlice getBackgroundInstalledPackages(long flags, int userId);

		void registerBackgroundInstallCallback(IRemoteCallback callback);

		void unregisterBackgroundInstallCallback(IRemoteCallback callback);
		}

services/core/java/com/android/server/pm/BackgroundInstallControlCallbackHelper.java

0 → 100644

+97 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.pm;

		import static android.os.Process.THREAD_PRIORITY_BACKGROUND;

		import android.annotation.NonNull;
		import android.app.BackgroundInstallControlManager;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.HandlerThread;
		import android.os.IRemoteCallback;
		import android.os.RemoteCallbackList;
		import android.os.RemoteException;
		import android.util.Slog;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.ServiceThread;

		public class BackgroundInstallControlCallbackHelper {

		@VisibleForTesting static final String FLAGGED_PACKAGE_NAME_KEY = "packageName";
		@VisibleForTesting static final String FLAGGED_USER_ID_KEY = "userId";
		private static final String TAG = "BackgroundInstallControlCallbackHelper";

		private final Handler mHandler;

		BackgroundInstallControlCallbackHelper() {
		HandlerThread backgroundThread =
		new ServiceThread(
		"BackgroundInstallControlCallbackHelperBg",
		THREAD_PRIORITY_BACKGROUND,
		true);
		backgroundThread.start();
		mHandler = new Handler(backgroundThread.getLooper());
		}

		@NonNull @VisibleForTesting
		final RemoteCallbackList<IRemoteCallback> mCallbacks = new RemoteCallbackList<>();

		/** Registers callback that gets invoked upon detection of an MBA
		*
		* NOTE: The callback is user context agnostic and currently broadcasts to all users of other
		* users app installs. This is fine because the API is for SystemServer use only.
		*/
		public void registerBackgroundInstallCallback(IRemoteCallback callback) {
		synchronized (mCallbacks) {
		mCallbacks.register(callback, null);
		}
		}

		/** Unregisters callback */
		public void unregisterBackgroundInstallCallback(IRemoteCallback callback) {
		synchronized (mCallbacks) {
		mCallbacks.unregister(callback);
		}
		}

		/**
		* Invokes all registered callbacks Callbacks are processed through user provided-threads and
		* parameters are passed in via {@link BackgroundInstallControlManager} InstallEvent
		*/
		public void notifyAllCallbacks(int userId, String packageName) {
		Bundle extras = new Bundle();
		extras.putCharSequence(FLAGGED_PACKAGE_NAME_KEY, packageName);
		extras.putInt(FLAGGED_USER_ID_KEY, userId);
		synchronized (mCallbacks) {
		mHandler.post(
		() ->
		mCallbacks.broadcast(
		callback -> {
		try {
		callback.sendResult(extras);
		} catch (RemoteException e) {
		Slog.e(
		TAG,
		"error detected: " + e.getLocalizedMessage(),
		e);
		}
		}));
		}
		}
		}

services/core/java/com/android/server/pm/BackgroundInstallControlService.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import android.os.Binder;
		import android.os.Build;
		import android.os.Environment;
		import android.os.Handler;
		import android.os.IRemoteCallback;
		import android.os.Looper;
		import android.os.Message;
		import android.os.SystemClock;
		@@ -93,6 +94,8 @@ public class BackgroundInstallControlService extends SystemService {
		private final File mDiskFile;
		private final Context mContext;

		private final BackgroundInstallControlCallbackHelper mCallbackHelper;

		private SparseSetArray<String> mBackgroundInstalledPackages = null;

		// User ID -> package name -> set of foreground time frame
		@@ -112,6 +115,7 @@ public class BackgroundInstallControlService extends SystemService {
		mHandler = new EventHandler(injector.getLooper(), this);
		mDiskFile = injector.getDiskFile();
		mContext = injector.getContext();
		mCallbackHelper = injector.getBackgroundInstallControlCallbackHelper();
		UsageStatsManagerInternal usageStatsManagerInternal =
		injector.getUsageStatsManagerInternal();
		usageStatsManagerInternal.registerListener(
		@@ -150,6 +154,16 @@ public class BackgroundInstallControlService extends SystemService {
		}
		}

		@Override
		public void registerBackgroundInstallCallback(IRemoteCallback callback) {
		mService.mCallbackHelper.registerBackgroundInstallCallback(callback);
		}

		@Override
		public void unregisterBackgroundInstallCallback(IRemoteCallback callback) {
		mService.mCallbackHelper.unregisterBackgroundInstallCallback(callback);
		}

		}

		@RequiresPermission(GET_BACKGROUND_INSTALLED_PACKAGES)
		@@ -274,6 +288,7 @@ public class BackgroundInstallControlService extends SystemService {

		initBackgroundInstalledPackages();
		mBackgroundInstalledPackages.add(userId, packageName);
		mCallbackHelper.notifyAllCallbacks(userId, packageName);
		writeBackgroundInstalledPackagesToDisk();
		}

		@@ -568,6 +583,8 @@ public class BackgroundInstallControlService extends SystemService {

		File getDiskFile();

		BackgroundInstallControlCallbackHelper getBackgroundInstallControlCallbackHelper();

		}

		private static final class InjectorImpl implements Injector {
		@@ -617,5 +634,10 @@ public class BackgroundInstallControlService extends SystemService {
		File file = new File(dir, DISK_FILE_NAME);
		return file;
		}

		@Override
		public BackgroundInstallControlCallbackHelper getBackgroundInstallControlCallbackHelper() {
		return new BackgroundInstallControlCallbackHelper();
		}
		}
		}

services/tests/BackgroundInstallControlServiceTests/host/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ java_test_host {
		":BackgroundInstallControlServiceTestApp",
		":BackgroundInstallControlMockApp1",
		":BackgroundInstallControlMockApp2",
		":BackgroundInstallControlMockApp3",
		],
		test_suites: [
		"general-tests",

services/tests/BackgroundInstallControlServiceTests/host/AndroidTest.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,9 @@
		<option name="push-file"
		key="BackgroundInstallControlMockApp2.apk"
		value="/data/local/tmp/BackgroundInstallControlMockApp2.apk" />
		<option name="push-file"
		key="BackgroundInstallControlMockApp3.apk"
		value="/data/local/tmp/BackgroundInstallControlMockApp3.apk" />
		</target_preparer>

		<test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >