如何使用AudioSource.VOICE_CALL录制语音呼叫 [英] How to record voice call using AudioSource.VOICE_CALL
问题描述
尝试录音,我在使用AudioSource.MIC
或AudioSource.VOICE_COMMUNICATION
时正在使用MediaRecorder class
,它仅录制我的声音,而不是来自录音机
当我使用AudioSource.VOICE_CALL
时,它会在出席呼叫时产生异常.
这是代码
trying to record call, I am using MediaRecorder class
when using AudioSource.MIC
or AudioSource.VOICE_COMMUNICATION
its recording only my voice not from recevier
and when I use AudioSource.VOICE_CALL
it gives exception on attending call..
here is code
if(intent.getAction().equals("android.intent.action.PHONE_STATE")){
if((bundle = intent.getExtras()) != null){
state = bundle.getString(TelephonyManager.EXTRA_STATE);
if(state.equals(TelephonyManager.EXTRA_STATE_RINGING)){
inCall = bundle.getString(TelephonyManager.EXTRA_INCOMING_NUMBER);
wasRinging = true;
Toast.makeText(context, inCall + " is calling", Toast.LENGTH_SHORT).show();
}
else if(state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)){
if(wasRinging){
Toast.makeText(context, "Call Answered", Toast.LENGTH_SHORT).show();
Date date = new Date();
SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy_HH-mm-ss");
String filename = "rec_" + format.format(date) + ".mp3";
String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC).getPath();
String fileUri = path + "/" + filename;
Log.v("testing uri", fileUri);
File file = new File(fileUri);
recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
recorder.setOutputFile(file.getAbsolutePath());
try {
recorder.prepare();
recorder.start();
recording = true;
} catch (IOException e) {
e.printStackTrace();
}
}
}
else if(state.equals(TelephonyManager.EXTRA_STATE_IDLE)){
wasRinging = false;
Toast.makeText(context, "Cancelled", Toast.LENGTH_SHORT).show();
if(recording && recorder != null){
recorder.stop();
recorder = null;
recording = false;
}
}
}
}
这是错误..
java.lang.RuntimeException: Error receiving broadcast Intent { act=android.intent.action.PHONE_STATE flg=0x10 (has extras) } in com.asadullah.callrecorder.MyBroadCastReceiver@41d6c7a8
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:778)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5102)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.RuntimeException: start failed.
at android.media.MediaRecorder.start(Native Method)
at com.asadullah.callrecorder.MyBroadCastReceiver.onReceive(MyBroadCastReceiver.java:62)
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:768)
清单权限为:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.STORAGE" />
推荐答案
VOICE_CALL
现在已弃用.这就是发生此错误的原因.
VOICE_CALL
is deprecated now. That is why this error occurred.
将VOICE_COMMUNICATION
用作AudioSource,因为它是为语音通信(如VoIP)而调整的麦克风音频源.
Use VOICE_COMMUNICATION
as AudioSource as it is microphone audio source tuned for voice communications such as VoIP.
我也正在使用通话记录应用程序,但在Android 7.1.1中失败了
I am also working with call recording app but it failed in Android 7.1.1
如果您不尝试在Android 7.1.1上尝试通话记录,则下面的代码将起作用.
If you are not trying call record on Android 7.1.1 below code will work.
recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_COMMUNICATION);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
这篇关于如何使用AudioSource.VOICE_CALL录制语音呼叫的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!