我GOOGLE了一下，但没有找到任何解决办法

我记录呼入和呼出

code 工作正常呼出但是，来电提供的除了

 记录=新MediaRecorder（）;

    文件SD卡= Environment.getExternalStorageDirectory（）;
    文件DIR =新的文件（sdCard.getAbsolutePath（）+/ OK）;
    dir.mkdirs（）;

    recorder.setAudioSource（MediaRecorder.AudioSource.MIC）;
    recorder.setOutputFormat（MediaRecorder.OutputFormat.THREE_GPP）;
 recorder.setOutputFile(Environment.getExternalStorageDirectory().getAbsolutePath()+"/OK/"+"yes"+".3gpp");
    recorder.setAudioEn codeR（MediaRecorder.AudioEn coder.AMR_NB）;

    尝试 {
       。录音机prepare（）;
       recorder.start（）;
    }赶上（IllegalStateException异常E）{
         Log.d（非法，e.toString（））;
    }赶上（IOException异常E）{
         Log.d（IO，e.toString（））;
   }
 

的logcat

  1月2号至23号：43：08.346 11231-11231 / com.example.myapps.acr ** I /记录：启动**
一月二号至23日：43：08.426 11231-11231 / com.example.myapps.acr ** E / MediaRecorder：启动失败：-38 **
一月二号至23日：43：08.426 11231-11231 / com.example.myapps.acr ** D /非法：java.lang.IllegalStateException **
 

请帮忙为什么它不工作的来电。

 刻录prepare（）。
视频下载（1000）;
recorder.start（）;
 

有关来电它需要时间来prepare。

握住prepare 1秒钟，一切都正常工作。

I have googled about it but didn't find any solution

I am recording incoming and outgoing calls

code works fine with outgoing call but gives exception on incoming call

    recorder = new MediaRecorder();

    File sdCard = Environment.getExternalStorageDirectory();
    File dir = new File(sdCard.getAbsolutePath() + "/OK");
    dir.mkdirs();

    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
 recorder.setOutputFile(Environment.getExternalStorageDirectory().getAbsolutePath()+"/OK/"+"yes"+".3gpp");
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

    try {
       recorder.prepare();
       recorder.start();
    } catch (IllegalStateException e) {
         Log.d("illegal",e.toString());
    } catch (IOException e) {
         Log.d("io",e.toString());
   }

Logcat

02-23 01:43:08.346  11231-11231/com.example.myapps.acr **I/record﹕ start**
02-23 01:43:08.426  11231-11231/com.example.myapps.acr **E/MediaRecorder﹕ start failed: -38**
02-23 01:43:08.426  11231-11231/com.example.myapps.acr **D/illegal﹕ java.lang.IllegalStateException**

Please help why its not working on incoming calls..

recorder.prepare();
Thread.sleep(1000);
recorder.start();

For incoming call it was taking time to prepare.

Hold the prepare for 1 sec and everything is worked fine.