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Commit 946f72e4 authored by JW Wang's avatar JW Wang
Browse files

Implement AppStateHelper 

* Implement #isInCall
* Implement #isRecordingAudio
* Make SYSTEM_UID privileged which needs to retrieve the client
  package name of an AudioRecordingConfiguration

Bug: 235306967
Test: manual test
Change-Id: I330f4828d09dee5c3cd2c6cedbfdfa6ebc6a2c52
parent c894d0ad

services/core/java/com/android/server/audio/AudioService.java

+2 −2
Original line number Diff line number Diff line
@@ -11386,8 +11386,8 @@ public class AudioService extends IAudioService.Stub 
    }















    public List<AudioRecordingConfiguration> getActiveRecordingConfigurations() {













        final boolean isPrivileged =













                (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(













        final boolean isPrivileged = Binder.getCallingUid() == Process.SYSTEM_UID













                || (PackageManager.PERMISSION_GRANTED == mContext.checkCallingPermission(















                        android.Manifest.permission.MODIFY_AUDIO_ROUTING));















        return mRecordMonitor.getActiveRecordingConfigurations(isPrivileged);















    }

































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



+47
−4




























Original line number
Diff line number
Diff line








@@ -16,11 +16,16 @@





























package com.android.server.pm;





























import static android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION;













import static android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING;





























import android.app.ActivityManager;















import android.app.ActivityManager.RunningAppProcessInfo;















import android.content.Context;













import android.media.AudioManager;















import android.media.IAudioService;















import android.os.ServiceManager;













import android.telecom.TelecomManager;















import android.text.TextUtils;















import android.util.ArraySet;


























@@ -71,6 +76,43 @@ public class AppStateHelper {













        return false;















    }





























    /**













     * True if any app is using voice communication.













     */













    private boolean hasVoiceCall() {













        var am = mContext.getSystemService(AudioManager.class);













        try {













            for (var apc : am.getActivePlaybackConfigurations()) {













                if (!apc.isActive()) {













                    continue;













                }













                var usage = apc.getAudioAttributes().getUsage();













                if (usage == USAGE_VOICE_COMMUNICATION













                        || usage == USAGE_VOICE_COMMUNICATION_SIGNALLING) {













                    return true;













                }













            }













        } catch (Exception ignore) {













        }













        return false;













    }



























    /**













     * True if the app is recording audio.













     */













    private boolean isRecordingAudio(String packageName) {













        var am = mContext.getSystemService(AudioManager.class);













        try {













            for (var arc : am.getActiveRecordingConfigurations()) {













                if (TextUtils.equals(arc.getClientPackageName(), packageName)) {













                    return true;













                }













            }













        } catch (Exception ignore) {













        }













        return false;













    }





























    /**















     * True if the app is in the foreground.















     */









@@ -89,8 +131,7 @@ public class AppStateHelper {













     * True if the app is playing/recording audio.















     */















    private boolean hasActiveAudio(String packageName) {













        // TODO(b/235306967): also check recording













        return hasAudioFocus(packageName);













        return hasAudioFocus(packageName) || isRecordingAudio(packageName);















    }































    /**










@@ -143,8 +184,10 @@ public class AppStateHelper {













     * True if there is an ongoing phone call.















     */















    public boolean isInCall() {













        // To be implemented













        return false;













        // TelecomManager doesn't handle the case where some apps don't implement ConnectionService.













        // We check apps using voice communication to detect if the device is in call.













        var tm = mContext.getSystemService(TelecomManager.class);













        return tm.isInCall() || hasVoiceCall();















    }































    /**