Here with reference of developer site & call recording android 10 trying to record Audio file and save it to its local directory path, i m using AccessibilityService to achieve it's recording sound in Android Q (10) Service code is like below
MyService.java
package nisarg.app.demo;
import android.accessibilityservice.AccessibilityButtonController;
import android.accessibilityservice.AccessibilityService;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.media.MediaRecorder;
import android.os.Build;
import android.os.Handler;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import java.io.IOException;
import androidx.core.app.NotificationCompat;
import static android.media.AudioManager.ADJUST_RAISE;
import static nisarg.app.demo.MainActivity.fileName;
public class MyService extends AccessibilityService {
private AccessibilityButtonController accessibilityButtonController;
private AccessibilityButtonController
.AccessibilityButtonCallback accessibilityButtonCallback;
private boolean mIsAccessibilityButtonAvailable;
public static final String LOG_TAG_S = "MyService 1 :";
WindowManager windowManager;
@SuppressLint("RtlHardcoded")
@Override
public void onCreate() {
super.onCreate();
windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
Log.d(LOG_TAG_S,"MyService");
try {
startForegroundService();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
Log.d(LOG_TAG_S, "Event :"+event.getEventType());
AccessibilityNodeInfo interactedNodeInfo =
event.getSource();
if (interactedNodeInfo.getText().equals("Increase volume")) {
mAudioManager.adjustStreamVolume(AudioManager.STREAM_ACCESSIBILITY,
ADJUST_RAISE, 0);
}
}
@Override
public void onInterrupt() {
}
@Override
protected void onServiceConnected() {
System.out.println("onServiceConnected");
Log.d(LOG_TAG_S, " ===:" + "onServiceConnected");
AccessibilityServiceInfo info = new AccessibilityServiceInfo();
info.eventTypes = AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED;
info.eventTypes = AccessibilityEvent.TYPES_ALL_MASK;
info.feedbackType = AccessibilityServiceInfo.FEEDBACK_ALL_MASK;
info.notificationTimeout = 100;
info.packageNames = null;
setServiceInfo(info);
if (isAccessibilitySettingsOn(MyService.this)) {
Log.d(LOG_TAG_S, "ACCESSIBILIY IS Activated");
startRecording();
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
// This method will be executed once the timer is over
stopRecording();
}
}, 30000);
} else {
Log.d(LOG_TAG_S, "ACCESSIBILIY IS DISABLED");
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
accessibilityButtonController = getAccessibilityButtonController();
mIsAccessibilityButtonAvailable =
accessibilityButtonController.isAccessibilityButtonAvailable();
}
if (!mIsAccessibilityButtonAvailable) {
return;
}
AccessibilityServiceInfo serviceInfo = getServiceInfo();
serviceInfo.flags |= AccessibilityServiceInfo.FLAG_REQUEST_ACCESSIBILITY_BUTTON;
setServiceInfo(serviceInfo);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
accessibilityButtonCallback = new AccessibilityButtonController.AccessibilityButtonCallback() {
@Override
public void onClicked(AccessibilityButtonController controller) {
Log.d("MY_APP_TAG", "Accessibility button pressed!");
// Add custom logic for a service to react to the
// accessibility button being pressed.
}
@Override
public void onAvailabilityChanged(
AccessibilityButtonController controller, boolean available) {
if (controller.equals(accessibilityButtonController)) {
mIsAccessibilityButtonAvailable = available;
}
}
};
}
if (accessibilityButtonCallback != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
accessibilityButtonController.registerAccessibilityButtonCallback(
accessibilityButtonCallback, null);
}
}
}
public static final String CHANNEL_ID = "MyAccessibilityService";
private void startForegroundService() {
createNotificationChannel();
Intent notificationIntent = new Intent(this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this,0, notificationIntent, 0);
Notification notification = new NotificationCompat.Builder(this, CHANNEL_ID)
.setContentTitle("recording Service")
.setContentText("Start")
.setSmallIcon(R.drawable.ic_launcher_background)
.setContentIntent(pendingIntent)
.build();
startForeground(1, notification);
}
private void createNotificationChannel() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationChannel serviceChannel = new NotificationChannel(
CHANNEL_ID,
"Recording Service Channel",
NotificationManager.IMPORTANCE_DEFAULT
);
NotificationManager manager = getSystemService(NotificationManager.class);
manager.createNotificationChannel(serviceChannel);
}
}
//=================================================Added code start==========
MediaRecorder mRecorder;
private boolean isStarted;
byte buffer[] = new byte[8916];
AudioManager mAudioManager;
public void startRecording() {
try {
mRecorder = new MediaRecorder();
mRecorder.reset();
//android.permission.MODIFY_AUDIO_SETTINGS
mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
//turn on speaker
if (mAudioManager != null) {
mAudioManager.setMode(AudioManager.MODE_IN_CALL); //MODE_IN_COMMUNICATION | MODE_IN_CALL
// mAudioManager.setSpeakerphoneOn(true);
// mAudioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL, mAudioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL), 0); // increase Volume
hasWiredHeadset(mAudioManager);
}
//android.permission.RECORD_AUDIO
String manufacturer = Build.MANUFACTURER;
Log.d(LOG_TAG_S, manufacturer);
/* if (manufacturer.toLowerCase().contains("samsung")) {
mRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_COMMUNICATION);
} else {
mRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL);
}*/
/*
VOICE_CALL is the actual call data being sent in a call, up and down (so your side and their side). VOICE_COMMUNICATION is just the microphone, but with codecs and echo cancellation turned on for good voice quality.
*/
mRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL); //MIC | VOICE_COMMUNICATION (Android 10 release) | VOICE_RECOGNITION | (VOICE_CALL = VOICE_UPLINK + VOICE_DOWNLINK)
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); //THREE_GPP | MPEG_4
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); //AMR_NB | AAC
mRecorder.setOutputFile(fileName);
mRecorder.prepare();
mRecorder.start();
isStarted = true;
} catch (IOException e) {
e.printStackTrace();
}
}
public void stopRecording() {
if (isStarted && mRecorder != null) {
mRecorder.stop();
mRecorder.reset(); // You can reuse the object by going back to setAudioSource() step
mRecorder.release();
mRecorder = null;
isStarted = false;
stopSelf();
}
}
// To detect the connected other device like headphone, wifi headphone, usb headphone etc
private boolean hasWiredHeadset(AudioManager mAudioManager) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
return mAudioManager.isWiredHeadsetOn();
} else {
final AudioDeviceInfo[] devices = mAudioManager.getDevices(AudioManager.GET_DEVICES_ALL);
for (AudioDeviceInfo device : devices) {
final int type = device.getType();
if (type == AudioDeviceInfo.TYPE_WIRED_HEADSET) {
Log.d(LOG_TAG_S, "hasWiredHeadset: found wired headset");
return true;
} else if (type == AudioDeviceInfo.TYPE_USB_DEVICE) {
Log.d(LOG_TAG_S, "hasWiredHeadset: found USB audio device");
return true;
} else if (type == AudioDeviceInfo.TYPE_TELEPHONY) {
Log.d(LOG_TAG_S, "hasWiredHeadset: found audio signals over the telephony network");
return true;
}
}
return false;
}
}
//=================================End================================
public static boolean isAccessibilitySettingsOn(Context mContext) {
int accessibilityEnabled = 0;
//your package / accesibility service path/class
// final String service = "com.example.sotsys_014.accessibilityexample/com.accessibilityexample.Service.MyAccessibilityService";
final String service = "nisarg.app.demo/nisarg.app.demo.MyService";
boolean accessibilityFound = false;
try {
accessibilityEnabled = Settings.Secure.getInt(
mContext.getApplicationContext().getContentResolver(),
Settings.Secure.ACCESSIBILITY_ENABLED);
Log.d(LOG_TAG_S, "accessibilityEnabled = " + accessibilityEnabled);
} catch (Settings.SettingNotFoundException e) {
Log.d(LOG_TAG_S, "Error finding setting, default accessibility to not found: "
+ e.getMessage());
}
TextUtils.SimpleStringSplitter mStringColonSplitter = new TextUtils.SimpleStringSplitter(':');
if (accessibilityEnabled == 1) {
Log.d(LOG_TAG_S, "***ACCESSIBILIY IS ENABLED*** -----------------");
String settingValue = Settings.Secure.getString(
mContext.getApplicationContext().getContentResolver(),
Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
if (settingValue != null) {
TextUtils.SimpleStringSplitter splitter = mStringColonSplitter;
splitter.setString(settingValue);
while (splitter.hasNext()) {
String accessabilityService = splitter.next();
Log.d(LOG_TAG_S, "-------------- > accessabilityService :: " + accessabilityService);
if (accessabilityService.equalsIgnoreCase(service)) {
Log.d(LOG_TAG_S, "We've found the correct setting - accessibility is switched on!");
return true;
}
}
}
} else {
Log.d(LOG_TAG_S, "***ACCESSIBILIY IS DISABLED***");
}
return accessibilityFound;
}
}
--
This service started like
when doing normal recording its working fine, but when incoming call and trying to record call audio its could not record audio.
AndroidMenifest.xml
<uses-permission android:name="android.permission.RECORD_AUDIO"></uses-permission>
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<service
android:name="nisarg.app.demo.MyService"
android:label="@string/app_name"
android:enabled="true"
android:exported="true"
android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
<intent-filter>
<action android:name="android.accessibilityservice.AccessibilityService" />
</intent-filter>
<meta-data android:name="android.accessibilityservice" android:resource="@xml/accessibility_service_config" />
</service>
in XML folder
accessibility_service_config.xml
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
android:description="@string/accessibility_service_description"
android:packageNames="nisarg.app.demo"
android:accessibilityEventTypes="typeAllMask"
android:accessibilityFlags="flagDefault"
android:accessibilityFeedbackType="feedbackSpoken"
android:notificationTimeout="100"
android:canRetrieveWindowContent="true"
android:settingsActivity="com.example.android.accessibility.ServiceSettingsActivity"
/>
