Merge branch '6077-fix-incall-volume' into 'v1-q'

/*

 * Copyright (C) 2022 bengris32

 *

 * 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.

 */

android_app {

    name: "MtkInCallService",

    srcs: ["src/**/*.java"],

    resource_dirs: ["res"],

    certificate: "platform",

    platform_apis: true,

    privileged: true,

    optimize: {

        enabled: false,

    }

}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="org.lineageos.mediatek.incallservice"

    android:versionCode="1"

    android:versionName="1.0"

    android:sharedUserId="android.uid.system">

    <application

        android:label="@string/app_name"

        android:persistent="true">

        <receiver

            android:directBootAware="true"

            android:exported="true"    

            android:name="org.lineageos.mediatek.incallservice.OnLockedBootCompleteReceiver">

            <intent-filter>

                <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />

                <category android:name="android.intent.category.DEFAULT" />

            </intent-filter>

        </receiver>

        <service

            android:directBootAware="true"

            android:name="org.lineageos.mediatek.incallservice.VolumeChangeService">

        </service>

    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="app_name">MTK In-call service</string>

</resources>

package org.lineageos.mediatek.incallservice;

import android.media.AudioSystem;

import android.util.Log;

public class GainUtils {

    public static final String LOG_TAG = "MtkInCallService";

    public static void setGainLevel(int audioDevice, int gainIndex, int streamType) {

        String parameters = String.format("volumeDevice=%d;volumeIndex=%d;volumeStreamType=%d",

                                          audioDevice, Math.min(7, gainIndex), streamType);

        Log.d(LOG_TAG, "Setting audio parameters to: " + parameters);

        AudioSystem.setParameters(parameters);

    }

}

package org.lineageos.mediatek.incallservice;

import android.content.BroadcastReceiver;

import android.content.Intent;

import android.content.Context;

import android.util.Log;

public class OnLockedBootCompleteReceiver extends BroadcastReceiver {

    private static final String LOG_TAG = "MtkInCallService";

    @Override

    public void onReceive(final Context context, Intent intent) {

        Log.i(LOG_TAG, "onBoot");

        Intent sIntent = new Intent(context, VolumeChangeService.class);

        context.startService(sIntent);

    }

}