Bar Visualizer

Usage

<com.chibde.audiovisulaizer.visualizer.BarVisualizer
        android:id="@+id/visualizer"
        android:layout_width="match_parent"
        android:layout_height="250dp"/>

In your java class

BarVisualizer barVisualizer = findViewById(R.id.visualizer);
mediaPlayer = MediaPlayer.create(this, R.raw.you_music);

// set custom color to the line.
barVisualizer.setColor(ContextCompat.getColor(this, R.color.you_color));

// define custom number of bars you want in the visualizer between (10 - 256).
barVisualizer.setDensity(70);

// Set your media player to the visualizer. 
barVisualizer.setPlayer(mediaPlayer.getAudioSessionId());

Note

Use of the visualizer requires the permission android.permission.RECORD_AUDIO so make sure to add it to your manifest file.