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package com.pheelicks.app;
import android.app.Activity;
import android.media.MediaPlayer;
import android.media.audiofx.Visualizer;
import android.os.Bundle;
import android.view.View;
import com.pheelicks.visualizer.R;
import com.pheelicks.visualizer.VisualizerView;
public class MainActivity extends Activity {
private MediaPlayer mPlayer;
private Visualizer mVisualizer;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mPlayer = MediaPlayer.create(this, R.raw.test);
mPlayer.setLooping(true);
mPlayer.start();
linkVisualizer(mPlayer);
}
/**
* Links the visualizer to a player
* TODO Refactor this into visualizer
* @param player
*/
private void linkVisualizer(MediaPlayer player)
{
final VisualizerView visualizerView = (VisualizerView) findViewById(R.id.visualizerView);
// Create the Visualizer object and attach it to our media player.
mVisualizer = new Visualizer(player.getAudioSessionId());
mVisualizer.setCaptureSize(Visualizer.getCaptureSizeRange()[1]);
// Pass through Visualizer data to VisualizerView
Visualizer.OnDataCaptureListener captureListener = new Visualizer.OnDataCaptureListener()
{
@Override
public void onWaveFormDataCapture(Visualizer visualizer, byte[] bytes,
int samplingRate)
{
visualizerView.updateVisualizer(bytes);
}
@Override
public void onFftDataCapture(Visualizer visualizer, byte[] bytes,
int samplingRate)
{
visualizerView.updateVisualizerFFT(bytes);
}
};
mVisualizer.setDataCaptureListener(captureListener,
Visualizer.getMaxCaptureRate() / 2, true, true);
// Enabled Visualizer and disable when we're done with the stream
mVisualizer.setEnabled(true);
mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer mediaPlayer)
{
mVisualizer.setEnabled(false);
}
});
}
// Cleanup
@Override
protected void onPause()
{
if (isFinishing() && (mPlayer != null))
{
mVisualizer.release();
mPlayer.release();
mPlayer = null;
}
super.onPause();
}
@Override
protected void onDestroy()
{
if (mPlayer != null)
{
mPlayer.stop();
mPlayer.release();
mPlayer = null;
}
super.onDestroy();
}
// Actions for buttons defined in xml
public void startPressed(View view)
{
mPlayer.start();
}
public void stopPressed(View view)
{
mPlayer.stop();
}
}
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