title: Fatal signal 11 (SIGSEGV) at 0x00000010 (code=1), thread 1894
body: <p><img src="https://i.stack.imgur.com/xBnQ8.jpg" alt="enter image description here"></p>
  
  <pre><code>private String recholder = "not";
  
  @Override
      public void onCreate(Bundle icicle) {
      super.onCreate(icicle);
  outputFile = Environment.getExternalStorageDirectory().
                      getAbsolutePath() + "/recordingnijez.mp3";
  
              myRecorder = new MediaRecorder();
              myRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
              myRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
              myRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
              myRecorder.setOutputFile(outputFile);
              addListenerButton();
        }
  
  private void addListenerButton() {
          recbtn = (Button)findViewById(R.id.recbut);
          recbtn.setOnClickListener(new OnClickListener() {
  
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                start(v);
            }
          });
       }
  
  public void start(View view){
  
             if ("recording".equals(recholder)){
  
            try {
  
                myRecorder.stop();
                myRecorder.release();
                //myRecorder  = null;
               recbtn.setText(getString(R.string.recBtn));
               recholder="not";
                Toast.makeText(getApplicationContext(), "Stop recording...",
                        Toast.LENGTH_SHORT).show();
  
             } catch (IllegalStateException e) {
                  //  it is called before start()
                  e.printStackTrace();
             } catch (RuntimeException e) {
                  // no valid audio/video data has been received
                  e.printStackTrace();
             }
             }
             else{
                try {
                    File file = new File (Environment.getExternalStorageDirectory() + "/recordingnijez.mp3");
  
                    if (file.exists()){
                        file.delete();
                        myRecorder.prepare();
                        myRecorder.start();
                        recholder="recording";
                        recbtn.setText(getString(R.string.stopBtn));
                    }
                    else{
                        myRecorder.prepare();
                        myRecorder.start();
                        recholder="recording";
                        recbtn.setText(getString(R.string.stopBtn));
                    }
             } catch (IllegalStateException e) {
                // start:it is called before prepare()
                // prepare: it is called after start() or before setOutputFormat()
                e.printStackTrace();
             } catch (IOException e) {
                 // prepare() fails
                 e.printStackTrace();
              }
  
             Toast.makeText(getApplicationContext(), "Start recording...",
                     Toast.LENGTH_SHORT).show();
             }
      }
  </code></pre>
  
  <p>it has problem when i try to record twice. i dont know how to fix it i tried everything
  heres the logcat
  <code>
  02-12 09:33:50.471: A/libc(1894): Fatal signal 11 (SIGSEGV) at 0x00000010 (code=1), thread 1894 (.example.mixpad)
  02-12 09:33:51.191: E/Trace(1961): error opening trace file: No such file or directory (2)
  02-12 09:33:51.331: D/dalvikvm(1961): GC_FOR_ALLOC freed 43K, 3% free 8017K/8195K, paused 3ms, total 3ms
  02-12 09:33:51.359: I/dalvikvm-heap(1961): Grow heap (frag case) to 10.785MB for 3067212-byte allocation
  02-12 09:33:51.379: D/dalvikvm(1961): GC_CONCURRENT freed 1K, 2% free 11011K/11207K, paused 13ms+3ms, total 21ms
  02-12 09:33:51.499: D/libEGL(1961): loaded /system/lib/egl/libEGL_emulation.so
  02-12 09:33:51.507: D/(1961): HostConnection::get() New Host Connection established 0xb8b8a110, tid 1961
  02-12 09:33:51.531: D/libEGL(1961): loaded /system/lib/egl/libGLESv1_CM_emulation.so
  02-12 09:33:51.531: D/libEGL(1961): loaded /system/lib/egl/libGLESv2_emulation.so
  02-12 09:33:51.611: W/EGL_emulation(1961): eglSurfaceAttrib not implemented
  02-12 09:33:51.627: D/OpenGLRenderer(1961): Enabling debug mode 0
  02-12 09:33:51.691: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b908e0): name, size, mSize = 1, 1048576, 1048576
  02-12 09:33:51.735: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8ba7d10): name, size, mSize = 2, 5184, 1053760
  02-12 09:33:51.775: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8bccaf8): name, size, mSize = 4, 20736, 1074496
  02-12 09:33:51.839: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b8f730): name, size, mSize = 5, 3067200, 4141696
  02-12 09:33:51.867: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8be9798): name, size, mSize = 6, 7488, 4149184
  02-12 09:33:51.871: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b88ff0): name, size, mSize = 7, 40984, 4190168
  02-12 09:33:51.875: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b8f7c0): name, size, mSize = 8, 37412, 4227580
  02-12 09:33:51.883: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8ba8b60): name, size, mSize = 9, 33276, 4260856
  02-12 09:33:51.887: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b9c0d8): name, size, mSize = 10, 32712, 4293568
  02-12 09:33:51.891: D/OpenGLRenderer(1961): TextureCache::get: create texture(0xb8b8b840): name, size, mSize = 11, 2304, 4295872
  </code></p>