title: Android record sound in real time and identify frequency
body: <p>im trying to detect frequency during recording in andrid</p>
  
  <p>i follow those post and non of them give working code:</p>
  
  <ol>
  <li><p><a href="https://stackoverflow.com/questions/16982623/android-app-to-record-sound-in-real-time-and-identify-frequency">Android app to record sound in real time and identify frequency</a></p></li>
  <li><p><a href="https://stackoverflow.com/questions/20341229/android-getting-sound-frequencies-real-time">android getting sound frequencies real time?</a></p></li>
  <li><p><a href="http://www.anddev.org/novice-tutorials-f8/get-frequency-data-from-microphone-in-real-time-t16774.html" rel="nofollow noreferrer">http://www.anddev.org/novice-tutorials-f8/get-frequency-data-from-microphone-in-real-time-t16774.html</a></p></li>
  </ol>
  
  <p>4.<a href="http://therandomlab.blogspot.co.il/2013/05/fft-audio-frequency-analysis-with.html" rel="nofollow noreferrer">http://therandomlab.blogspot.co.il/2013/05/fft-audio-frequency-analysis-with.html</a></p>
  
  <p>can anyone explain with working code - without guessing any var,
  how cat i get frequency in Hz in real time</p>