问题：
AccessibilityService与MediaRecorder在Android Q（10）中30秒音频，而呼叫接收（应答）无法工作
伍宝
这里有开发商网站的参考
我的服务.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;
}
}
--
正常录音时，它工作正常，但进线量和尝试录制通话音频时，它无法录制音频。
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>
在XML文件夹中
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"
/>
共有1个答案
微生毅
我已经解决了如下问题，
package nisarg.app.demo;
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.graphics.PixelFormat;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.media.MediaPlayer;
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.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.widget.FrameLayout;
import android.widget.ImageView;
import java.io.IOException;
import androidx.core.app.NotificationCompat;
import static nisarg.app.demo.MainActivity.fileName;
import static nisarg.app.demo.MainActivity.player;
import static nisarg.app.demo.MainActivity.recorder;
public class MyService extends AccessibilityService {
public static final String LOG_TAG_S = "MyService:";
WindowManager windowManager;
// ImageView back,home,notification,minimize;
//WindowManager.LayoutParams params;
// AccessibilityService service;
@SuppressLint("RtlHardcoded")
@Override
public void onCreate() {
super.onCreate();
windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
Log.i("start Myservice","MyService");
startForegroundService();
/*if (!Settings.canDrawOverlays(getApplicationContext())) {
Intent intent = new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS,
Uri.parse("package:" + getPackageName()));
startActivityForResult(intent, 1);
}*/
/* back = new ImageView(this);
home = new ImageView(this);
minimize = new ImageView(this);
notification = new ImageView(this);
back.setImageResource(R.drawable.ic_launcher_background);
home.setImageResource(R.drawable.ic_launcher_background);
minimize.setImageResource(R.drawable.ic_launcher_background);
notification.setImageResource(R.drawable.ic_launcher_background);
*/
/* params= new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_PHONE,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSLUCENT);
params.gravity = Gravity.CENTER_VERTICAL|Gravity.RIGHT;
params.x = 10;
params.y = 50;
windowManager.addView(home, params);
params= new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_PHONE,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSLUCENT);
params.gravity = Gravity.CENTER_VERTICAL|Gravity.RIGHT;
params.x = 10;
params.y = 100;
windowManager.addView(minimize, params);
params= new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_PHONE,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSLUCENT);
params.gravity = Gravity.CENTER_VERTICAL|Gravity.RIGHT;
params.x = 10;
params.y = 150;
windowManager.addView(notification, params);
back.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
performGlobalAction(AccessibilityService.GLOBAL_ACTION_BACK);
} catch (Exception e) {
e.printStackTrace();
}
}
});
home.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
performGlobalAction(AccessibilityService.GLOBAL_ACTION_HOME);
} catch (Exception e) {
e.printStackTrace();
}
}
});
notification.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
performGlobalAction(AccessibilityService.GLOBAL_ACTION_NOTIFICATIONS);
} catch (Exception e) {
e.printStackTrace();
}
}
});
minimize.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
performGlobalAction(AccessibilityService.GLOBAL_ACTION_RECENTS);
} catch (Exception e) {
e.printStackTrace();
}
}
});
*/
}
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
Log.e(LOG_TAG_S, "Event :"+event.getEventType());
}
@Override
public void onInterrupt() {
}
/* @Override
protected void onServiceConnected() {
super.onServiceConnected();
Log.d("TAG", "onServiceConnected");
}*/
/* @Override
public void onServiceConnected() {
// Set the type of events that this service wants to listen to. Others
// won't be passed to this service.
info.eventTypes = AccessibilityEvent.TYPE_VIEW_CLICKED |
AccessibilityEvent.TYPE_VIEW_FOCUSED;
// If you only want this service to work with specific applications, set their
// package names here. Otherwise, when the service is activated, it will listen
// to events from all applications.
info.packageNames = new String[]
{"nisarg.app.demo"};
// Set the type of feedback your service will provide.
info.feedbackType = AccessibilityServiceInfo.FEEDBACK_SPOKEN;
// Default services are invoked only if no package-specific ones are present
// for the type of AccessibilityEvent generated. This service *is*
// application-specific, so the flag isn't necessary. If this was a
// general-purpose service, it would be worth considering setting the
// DEFAULT flag.
// info.flags = AccessibilityServiceInfo.DEFAULT;
info.notificationTimeout = 100;
this.setServiceInfo(info);
}*/
@Override
protected void onServiceConnected() {
System.out.println("onServiceConnected");
//==============================Record Audio while Call received===============//
WindowManager windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
FrameLayout layout = new FrameLayout(this);
WindowManager.LayoutParams params = new WindowManager.LayoutParams(WindowManager.LayoutParams.MATCH_PARENT,
WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE| WindowManager.LayoutParams.FLAG_FULLSCREEN |
WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS|
WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH,
PixelFormat.TRANSLUCENT);
params.gravity = Gravity.TOP;
windowManager.addView(layout, params);
layout.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
//You can either get the information here or on onAccessibilityEvent
Log.e(LOG_TAG_S, "Window view touched........:");
Log.e(LOG_TAG_S, "Window view touched........:");
return true;
}
});
//==============To Record Audio wile Call received=================
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);
try {
//startRecording();
startRecordingA();
} catch (Exception e) {
e.printStackTrace();
}
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
// This method will be executed once the timer is over
//stopRecording();
stopRecordingA();
}
}, 30000);
}
private void startPlaying() {
player = new MediaPlayer();
try {
player.setDataSource(fileName);
player.prepare();
player.start();
} catch (IOException e) {
Log.e(LOG_TAG_S, "prepare() failed");
}
}
private void stopPlaying() {
player.release();
player = null;
}
private void startRecordingA() {
recorder = new MediaRecorder();
// This must be needed sourcea
recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_RECOGNITION);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setOutputFile(fileName);
//recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.HE_AAC);
recorder.setAudioEncodingBitRate(48000);
} else {
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
recorder.setAudioEncodingBitRate(64000);
}
recorder.setAudioSamplingRate(16000);
try {
recorder.prepare();
} catch (IOException e) {
Log.e(LOG_TAG_S, "prepare() failed");
}
recorder.start();
}
private void stopRecordingA() {
Log.e(LOG_TAG_S, "stop recording");
recorder.stop();
recorder.release();
recorder = 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];
public void startRecording() {
try {
/* String timestamp = new SimpleDateFormat("dd-MM-yyyy-hh-mm-ss", Locale.US).format(new Date());
String fileName =timestamp+".3gp";
mediaSaver = new MediaSaver(context).setParentDirectoryName("Accessibility").
setFileNameKeepOriginalExtension(fileName).
setExternal(MediaSaver.isExternalStorageReadable());*/
//String selectedPath = Environment.getExternalStorageDirectory() + "/Testing";
//String selectedPath = Environment.getExternalStorageDirectory().getAbsolutePath() +"/Android/data/" + packageName + "/system_sound";
mRecorder = new MediaRecorder();
// mRecorder.reset();
//android.permission.MODIFY_AUDIO_SETTINGS
AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
//turn on speaker
if (mAudioManager != null) {
mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION); //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_RECOGNITION); //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;
}
}
// 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(),
android.provider.Settings.Secure.ACCESSIBILITY_ENABLED);
Log.v(LOG_TAG_S, "accessibilityEnabled = " + accessibilityEnabled);
} catch (Settings.SettingNotFoundException e) {
Log.e(LOG_TAG_S, "Error finding setting, default accessibility to not found: "
+ e.getMessage());
}
TextUtils.SimpleStringSplitter mStringColonSplitter = new TextUtils.SimpleStringSplitter(':');
if (accessibilityEnabled == 1) {
Log.v(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.v(LOG_TAG_S, "-------------- > accessabilityService :: " + accessabilityService);
if (accessabilityService.equalsIgnoreCase(service)) {
Log.v(LOG_TAG_S, "We've found the correct setting - accessibility is switched on!");
return true;
}
}
}
} else {
Log.v(LOG_TAG_S, "***ACCESSIBILIY IS DISABLED***");
}
return accessibilityFound;
}
}
类似资料：
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在Android 10（Pixel 3A）中，通话记录器在持续时间内录制空白。它适用于所有手机，直到Android 8和Android 9，大多数手机只录制一侧语音（但在像素3A中工作正常） 有没有办法在Android10中录制通话？ 下面的代码似乎不再工作了。 如果使用SDK 28或更低版本，则会在整个过程中进行通话录音，但没有任何语音。如果使用SDK 29，则通话录音开始时失败，提示检查回调中
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我正在开发一个VoIP应用程序，使用Twilio进行电话。我面临的问题是，如果AVAudioSession在呼叫进行中被中断，例如被传入的FaceTime呼叫中断，那么在中断结束后，我无法继续使用音频会话。电话没有断开，但听不到声音，麦克风也没有记录任何东西。 我已经注册了AVAudioSessionInterruptionNotification，并在通知处理程序中执行以下操作： 我没有得到任何
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录制完一个呼出的电话后，我试图播放录制的文件——以确保通话录音按预期工作（我使用“媒体播放器”进行），但没有声音。所以我试图访问手机上的实际文件（只需将手机连接到电脑上并访问它的文件）。当我播放录音时，它的长度是正确的，但同样没有声音。 我错过了什么？ 这是我记录电话的方式： 这是结束通话记录的代码： 这是我播放音频文件的方式：
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在Twilio Studio中，我有一个流程，它将呼叫连接到非Twilio号码。此号码可能占线，因为我正在将所有传入的请求转发到此号码。 如果这个当前转发的号码占线或操作员没有响应，那么我想将该呼叫连接到另一个号码。 我们在Twilio工作室怎么能做到这一点？ 谢了！
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我有一个android应用程序可以检测来电，我需要改进这个应用程序，使其能够在duos移动设备上工作。因此，我创建了一个在清单中注册的广播接收器，用于操作：电话状态已更改，在onReceive方法中，我需要检查哪个sim卡接收呼叫。这是我的密码 我运行这个应用程序上的设备4.2 2和其正常工作，但当我运行它上的设备4 4.4所以这个方法不工作，我的意思是，其中sim返回-1在所有情况下。有人能帮帮