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Commit 4cc4fe15 authored by Alex Dadukin's avatar Alex Dadukin Committed by Android (Google) Code Review
Browse files

Merge "Migrate Audio Policies changes to a new feature flag system" into main

parents 48f2f6ee e75c23ab
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+7 −0
Original line number Diff line number Diff line
@@ -13,3 +13,10 @@ flag {
    description: "Gates whether to adjust local stream volume when the app in the foreground is the last app to play audio or adjust the volume of the last active media session that the user interacted with."
    bug: "275185436"
}

flag {
     namespace: "media_solutions"
     name: "enable_audio_policies_device_and_bluetooth_controller"
     description: "Use Audio Policies implementation for device and Bluetooth route controllers."
     bug: "280576228"
}
+5 −8
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ import android.content.Context;
import android.media.MediaRoute2Info;
import android.os.UserHandle;

import com.android.media.flags.Flags;

import java.util.Collections;
import java.util.List;
import java.util.Objects;
@@ -53,15 +55,10 @@ import java.util.Objects;
            return new NoOpBluetoothRouteController();
        }

        MediaFeatureFlagManager flagManager = MediaFeatureFlagManager.getInstance();
        boolean isUsingLegacyController = flagManager.getBoolean(
                MediaFeatureFlagManager.FEATURE_AUDIO_STRATEGIES_IS_USING_LEGACY_CONTROLLER,
                true);

        if (isUsingLegacyController) {
            return new LegacyBluetoothRouteController(context, btAdapter, listener);
        } else {
        if (Flags.enableAudioPoliciesDeviceAndBluetoothController()) {
            return new AudioPoliciesBluetoothRouteController(context, btAdapter, listener);
        } else {
            return new LegacyBluetoothRouteController(context, btAdapter, listener);
        }
    }

+5 −8
Original line number Diff line number Diff line
@@ -25,6 +25,8 @@ import android.media.IAudioService;
import android.media.MediaRoute2Info;
import android.os.ServiceManager;

import com.android.media.flags.Flags;

/**
 * Controls device routes.
 *
@@ -44,18 +46,13 @@ import android.os.ServiceManager;
        IAudioService audioService = IAudioService.Stub.asInterface(
                ServiceManager.getService(Context.AUDIO_SERVICE));

        MediaFeatureFlagManager flagManager = MediaFeatureFlagManager.getInstance();
        boolean isUsingLegacyController = flagManager.getBoolean(
                MediaFeatureFlagManager.FEATURE_AUDIO_STRATEGIES_IS_USING_LEGACY_CONTROLLER,
                true);

        if (isUsingLegacyController) {
            return new LegacyDeviceRouteController(context,
        if (Flags.enableAudioPoliciesDeviceAndBluetoothController()) {
            return new AudioPoliciesDeviceRouteController(context,
                    audioManager,
                    audioService,
                    onDeviceRouteChangedListener);
        } else {
            return new AudioPoliciesDeviceRouteController(context,
            return new LegacyDeviceRouteController(context,
                    audioManager,
                    audioService,
                    onDeviceRouteChangedListener);
+0 −9
Original line number Diff line number Diff line
@@ -36,21 +36,12 @@ import java.lang.annotation.Target;
    @StringDef(
            prefix = "FEATURE_",
            value = {
                FEATURE_AUDIO_STRATEGIES_IS_USING_LEGACY_CONTROLLER,
                FEATURE_SCANNING_MINIMUM_PACKAGE_IMPORTANCE
            })
    @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
    @Retention(RetentionPolicy.SOURCE)
    /* package */ @interface MediaFeatureFlag {}

    /**
     * Whether to use old legacy implementation of BluetoothRouteController or new
     * 'Audio Strategies'-aware controller.
     */
    /* package */ static final @MediaFeatureFlag String
            FEATURE_AUDIO_STRATEGIES_IS_USING_LEGACY_CONTROLLER =
            "BluetoothRouteController__enable_legacy_bluetooth_routes_controller";

    /**
     * Whether to use IMPORTANCE_FOREGROUND (i.e. 100) or IMPORTANCE_FOREGROUND_SERVICE (i.e. 125)
     * as the minimum package importance for scanning.
+73 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2023 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.media;

import static com.android.media.flags.Flags.FLAG_ENABLE_AUDIO_POLICIES_DEVICE_AND_BLUETOOTH_CONTROLLER;

import android.content.Context;
import android.platform.test.annotations.RequiresFlagsDisabled;
import android.platform.test.annotations.RequiresFlagsEnabled;
import android.platform.test.flag.junit.CheckFlagsRule;
import android.platform.test.flag.junit.DeviceFlagsValueProvider;

import androidx.test.platform.app.InstrumentationRegistry;

import com.google.common.truth.Truth;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public class BluetoothRouteControllerTest {

    private final BluetoothRouteController.BluetoothRoutesUpdatedListener
            mBluetoothRoutesUpdatedListener = routes -> {
                // Empty on purpose.
            };

    @Rule
    public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();

    private Context mContext;

    @Before
    public void setUp() {
        mContext = InstrumentationRegistry.getInstrumentation().getContext();
    }

    @Test
    @RequiresFlagsDisabled(FLAG_ENABLE_AUDIO_POLICIES_DEVICE_AND_BLUETOOTH_CONTROLLER)
    public void createInstance_audioPoliciesFlagIsDisabled_createsLegacyController() {
        BluetoothRouteController deviceRouteController =
                BluetoothRouteController.createInstance(mContext, mBluetoothRoutesUpdatedListener);

        Truth.assertThat(deviceRouteController).isInstanceOf(LegacyBluetoothRouteController.class);
    }

    @Test
    @RequiresFlagsEnabled(FLAG_ENABLE_AUDIO_POLICIES_DEVICE_AND_BLUETOOTH_CONTROLLER)
    public void createInstance_audioPoliciesFlagIsEnabled_createsAudioPoliciesController() {
        BluetoothRouteController deviceRouteController =
                BluetoothRouteController.createInstance(mContext, mBluetoothRoutesUpdatedListener);

        Truth.assertThat(deviceRouteController)
                .isInstanceOf(AudioPoliciesBluetoothRouteController.class);
    }
}
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