什麼是錯誤-1在媒體記錄器

我是一個新手在android和我工作在一個應用程序，它啓動時，在設備中收到一個phonecall，並啓動一個IntenService記錄呼叫使用媒體記錄器。日誌貓輸出。什麼是錯誤-1在媒體記錄器

01-14 13:58:07.319: D/DEBUG(18180): <!>com.agicent.callrecorder.CallListener 26<!> 
OFFHOOK 
01-14 13:58:07.319: E/AudioRecordTest(18180): 
<!>com.agicent.callrecorder.PhoneCallRecorderActivity 181<!> Recording Started 
01-14 13:58:07.469: E/AudioRecordTest(18180): 
<!>com.agicent.callrecorder.PhoneCallRecorderActivity 181<!> Recording Started 
01-14 13:58:07.499: E/MediaRecorder(18180): start failed: -1 
01-14 13:58:07.509: W/dalvikvm(18180): threadid=9: thread exiting with uncaught 
exception (group=0x40018560) 
01-14 13:58:07.509: E/AndroidRuntime(18180): FATAL EXCEPTION: 
IntentService[PhoneCallRecorderActivity] 
01-14 13:58:07.509: E/AndroidRuntime(18180): java.lang.RuntimeException: start failed. 
01-14 13:58:07.509: E/AndroidRuntime(18180): at 
android.media.MediaRecorder.start(Native Method) 
01-14 13:58:07.509: E/AndroidRuntime(18180): atcom.agicent.callrecorder.PhoneCallRecorderActivity.startRecording(PhoneCallRecorderActivity.java:77) 
01-14 13:58:07.509: E/AndroidRuntime(18180): at com.agicent.callrecorder.PhoneCallRecorderActivity.onHandleIntent(PhoneCallRecorderActivity.java:182) 
01-14 13:58:07.509: E/AndroidRuntime(18180): at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:59) 
01-14 13:58:07.509: E/AndroidRuntime(18180): at android.os.Handler.dispatchMessage(Handler.java:99) 
01-14 13:58:07.509: E/AndroidRuntime(18180): at android.os.Looper.loop(Looper.java:123) 
01-14 13:58:07.509: E/AndroidRuntime(18180): at android.os.HandlerThread.run(HandlerThread.java:60) 
01-14 13:58:20.539: E/IncomingCall Recieved(18256):  <!>com.agicent.callrecorder.IncomingCallReciever 33<!> Broadcast Recieved 
01-14 13:58:20.569: D/DEBUG(18256): <!>com.agicent.callrecorder.CallListener 22<!> IDLE

這裏我我的代碼塊

public class PhoneCallRecorderActivity extends IntentService { 

private static final String LOG_TAG = "AudioRecordTest"; 
private static String mFileName = null; 
//private RecordButton mRecordButton = null; 
private MediaRecorder mRecorder = null; 
//private PlayButton mPlayButton = null; 
private MediaPlayer mPlayer = null; 

private void startPlaying() { 
    mPlayer = new MediaPlayer(); 
    try { 
     mPlayer.setDataSource(mFileName); 
     mPlayer.prepare(); 
     mPlayer.start(); 
    } catch (IOException e) { 
     Log.e(LOG_TAG, "prepare() failed"); 
    } 
} 

private void stopPlaying() { 
    mPlayer.release(); 
    mPlayer = null; 
} 

private void startRecording() { 
    mRecorder = new MediaRecorder(); 
    mRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_CALL); 
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
    mRecorder.setOutputFile(mFileName); 
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 


    try { 
     mRecorder.prepare(); 
    } catch (IOException e) { 
     Log.e(LOG_TAG, "prepare() failed"); 
    } 

    mRecorder.start(); 
} 

private void stopRecording() { 
    mRecorder.stop(); 
    mRecorder.release(); 
    mRecorder = null; 
} 

public PhoneCallRecorderActivity() { 
    super("PhoneCallRecorderActivity"); 
    mFileName = Environment.getExternalStorageDirectory().getAbsolutePath(); 
    mFileName += "/audiorecordtest.3gp"; 
} 
@Override 
public IBinder onBind(Intent intent) { 
// TODO Auto-generated method stub 
return null; 
} 

@Override 
protected void onHandleIntent(Intent intent) { 
// TODO Auto-generated method stub 
Log.e(LOG_TAG, "Recording Started"); 
startRecording(); 
} 
public void onDestroy() { 

stopRecording(); 
Log.e(LOG_TAG, "Recording finidhed"); 

} 
}

請建議我在哪裏，我做錯了。非常感謝您的時間。

來源

2012-01-14 Muni Mishra

也發佈您的清單權限。 – 2012-01-14 11:35:05

您好kumar thanx上面的時間是我的清單中的權限，我的測試設備是LG-Optimus One。 – 2012-01-16 06:40:30

http://stackoverflow.com/questions/5630922/how-to-record-a-call-in-android – 2012-01-16 07:40:56

如果你想記錄實際的通話本身（本地語音和遠程語音），這在Android中是不可能的，因爲通話音頻信息是在Android之外處理的。

來源

2012-01-16 07:41:33

什麼是錯誤-1在媒體記錄器

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