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/**
* Copyright 2011, Felix Palmer
*
* Licensed under the MIT license:
* http://creativecommons.org/licenses/MIT/
*/
package com.pheelicks.app;
import java.io.IOException;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import com.pheelicks.visualizer.R;
import com.pheelicks.visualizer.VisualizerView;
import com.pheelicks.visualizer.renderer.BarGraphRenderer;
import com.pheelicks.visualizer.renderer.CircleBarRenderer;
import com.pheelicks.visualizer.renderer.CircleRenderer;
import com.pheelicks.visualizer.renderer.LineRenderer;
/**
* Demo to show how to use VisualizerView
*/
public class MainActivity extends Activity {
private MediaPlayer mPlayer;
private VisualizerView mVisualizerView;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
protected void onResume()
{
super.onResume();
init();
}
@Override
protected void onPause()
{
cleanUp();
super.onPause();
}
@Override
protected void onDestroy()
{
cleanUp();
super.onDestroy();
}
private void init()
{
mPlayer = MediaPlayer.create(this, R.raw.test);
mPlayer.setLooping(true);
mPlayer.start();
// We need to link the visualizer view to the media player so that
// it displays something
mVisualizerView = (VisualizerView) findViewById(R.id.visualizerView);
mVisualizerView.link(mPlayer);
// Start with just line renderer
addLineRenderer();
}
private void cleanUp()
{
if (mPlayer != null)
{
mVisualizerView.release();
mPlayer.release();
mPlayer = null;
}
}
// Methods for adding renderers to visualizer
private void addBarGraphRenderers()
{
Paint paint = new Paint();
paint.setStrokeWidth(50f);
paint.setAntiAlias(true);
paint.setColor(Color.argb(200, 56, 138, 252));
BarGraphRenderer barGraphRendererBottom = new BarGraphRenderer(16, paint, false);
mVisualizerView.addRenderer(barGraphRendererBottom);
Paint paint2 = new Paint();
paint2.setStrokeWidth(12f);
paint2.setAntiAlias(true);
paint2.setColor(Color.argb(200, 181, 111, 233));
BarGraphRenderer barGraphRendererTop = new BarGraphRenderer(4, paint2, true);
mVisualizerView.addRenderer(barGraphRendererTop);
}
private void addCircleBarRenderer()
{
Paint paint = new Paint();
paint.setStrokeWidth(8f);
paint.setAntiAlias(true);
paint.setXfermode(new PorterDuffXfermode(Mode.LIGHTEN));
paint.setColor(Color.argb(255, 222, 92, 143));
CircleBarRenderer circleBarRenderer = new CircleBarRenderer(paint, 32, true);
mVisualizerView.addRenderer(circleBarRenderer);
}
private void addCircleRenderer()
{
Paint paint = new Paint();
paint.setStrokeWidth(3f);
paint.setAntiAlias(true);
paint.setColor(Color.argb(255, 222, 92, 143));
CircleRenderer circleRenderer = new CircleRenderer(paint, true);
mVisualizerView.addRenderer(circleRenderer);
}
private void addLineRenderer()
{
Paint linePaint = new Paint();
linePaint.setStrokeWidth(1f);
linePaint.setAntiAlias(true);
linePaint.setColor(Color.argb(88, 0, 128, 255));
Paint lineFlashPaint = new Paint();
lineFlashPaint.setStrokeWidth(5f);
lineFlashPaint.setAntiAlias(true);
lineFlashPaint.setColor(Color.argb(188, 255, 255, 255));
LineRenderer lineRenderer = new LineRenderer(linePaint, lineFlashPaint, true);
mVisualizerView.addRenderer(lineRenderer);
}
// Actions for buttons defined in xml
public void startPressed(View view) throws IllegalStateException, IOException
{
if(mPlayer.isPlaying())
{
return;
}
mPlayer.prepare();
mPlayer.start();
}
public void stopPressed(View view)
{
mPlayer.stop();
}
public void barPressed(View view)
{
addBarGraphRenderers();
}
public void circlePressed(View view)
{
addCircleRenderer();
}
public void circleBarPressed(View view)
{
addCircleBarRenderer();
}
public void linePressed(View view)
{
addLineRenderer();
}
public void clearPressed(View view)
{
mVisualizerView.clearRenderers();
}
}
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