Example usage for android.media.audiofx Visualizer Visualizer

Introduction

In this page you can find the example usage for android.media.audiofx Visualizer Visualizer.

Prototype

public Visualizer(int audioSession) throws UnsupportedOperationException, RuntimeException 

Source Link

Document

Class constructor.

Usage

From source file:com.rks.musicx.ui.fragments.PlayingViews.Playing4Fragment.java

private void initVisualizer() {
    if (permissionManager.isAudioRecordGranted(getContext())) {
        mVisualizer = new Visualizer(audioSessionID());
        mVisualizer.setEnabled(false);// w ww  .  j ava  2  s.  co  m
        mVisualizer.setCaptureSize(Visualizer.getCaptureSizeRange()[1]);
        mVisualizer.setDataCaptureListener(new Visualizer.OnDataCaptureListener() {
            @Override
            public void onWaveFormDataCapture(Visualizer visualizer, byte[] waveform, int samplingRate) {
            }

            @Override
            public void onFftDataCapture(Visualizer visualizer, byte[] fft, int samplingRate) {
                vizualview.updateVisualizer(fft);
            }
        }, Visualizer.getMaxCaptureRate() / 2, true, true);
    } else {
        Toast.makeText(getContext(), "AudioRecord permission not granted for visualizer", Toast.LENGTH_SHORT)
                .show();
        Log.d("Playing4Fragment", "permission not granted");
    }

}

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