MusicExample.java

package org.andengine.examples;

import java.io.IOException;

import org.andengine.audio.music.Music;
import org.andengine.audio.music.MusicFactory;
import org.andengine.engine.camera.Camera;
import org.andengine.engine.options.EngineOptions;
import org.andengine.engine.options.ScreenOrientation;
import org.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
import org.andengine.entity.scene.IOnAreaTouchListener;
import org.andengine.entity.scene.ITouchArea;
import org.andengine.entity.scene.Scene;
import org.andengine.entity.scene.background.Background;
import org.andengine.entity.sprite.Sprite;
import org.andengine.entity.util.FPSLogger;
import org.andengine.input.touch.TouchEvent;
import org.andengine.opengl.texture.TextureOptions;
import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlas;
import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlasTextureRegionFactory;
import org.andengine.opengl.texture.region.ITextureRegion;
import org.andengine.ui.activity.SimpleBaseGameActivity;
import org.andengine.util.debug.Debug;

import android.widget.Toast;

/**
 * (c) 2010 Nicolas Gramlich
 * (c) 2011 Zynga
 *
 * @author Nicolas Gramlich
 * @since 15:51:47 - 13.06.2010
 */
public class MusicExample extends SimpleBaseGameActivity {
	// ===========================================================
	// Constants
	// ===========================================================

	private static final int CAMERA_WIDTH = 720;
	private static final int CAMERA_HEIGHT = 480;

	// ===========================================================
	// Fields
	// ===========================================================

	private BitmapTextureAtlas mBitmapTextureAtlas;
	private ITextureRegion mNotesTextureRegion;

	private Music mMusic;

	// ===========================================================
	// Constructors
	// ===========================================================

	// ===========================================================
	// Getter & Setter
	// ===========================================================

	// ===========================================================
	// Methods for/from SuperClass/Interfaces
	// ===========================================================

	@Override
	public EngineOptions onCreateEngineOptions() {
		Toast.makeText(this, "Touch the notes to hear some Music.", Toast.LENGTH_LONG).show();

		final Camera camera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);

		final EngineOptions engineOptions = new EngineOptions(true, ScreenOrientation.LANDSCAPE_FIXED, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), camera);
		engineOptions.getAudioOptions().setNeedsMusic(true);
		return engineOptions;
	}

	@Override
	public void onCreateResources() {
		BitmapTextureAtlasTextureRegionFactory.setAssetBasePath("gfx/");

		this.mBitmapTextureAtlas = new BitmapTextureAtlas(this.getTextureManager(), 128, 128, TextureOptions.BILINEAR);
		this.mNotesTextureRegion = BitmapTextureAtlasTextureRegionFactory.createFromAsset(this.mBitmapTextureAtlas, this, "notes.png", 0, 0);
		this.mBitmapTextureAtlas.load();

		MusicFactory.setAssetBasePath("mfx/");
		try {
			this.mMusic = MusicFactory.createMusicFromAsset(this.mEngine.getMusicManager(), this, "wagner_the_ride_of_the_valkyries.ogg");
			this.mMusic.setLooping(true);
		} catch (final IOException e) {
			Debug.e(e);
		}

	}

	@Override
	public Scene onCreateScene() {
		this.mEngine.registerUpdateHandler(new FPSLogger());

		final Scene scene = new Scene();
		scene.setBackground(new Background(0.09804f, 0.6274f, 0.8784f));

		final float centerX = (CAMERA_WIDTH - this.mNotesTextureRegion.getWidth()) / 2;
		final float centerY = (CAMERA_HEIGHT - this.mNotesTextureRegion.getHeight()) / 2;

		final Sprite notes = new Sprite(centerX, centerY, this.mNotesTextureRegion, this.getVertexBufferObjectManager());
		scene.attachChild(notes);

		scene.registerTouchArea(notes);
		scene.setOnAreaTouchListener(new IOnAreaTouchListener() {
			@Override
			public boolean onAreaTouched(final TouchEvent pSceneTouchEvent, final ITouchArea pTouchArea, final float pTouchAreaLocalX, final float pTouchAreaLocalY) {
				if(pSceneTouchEvent.isActionDown()) {
					if(MusicExample.this.mMusic.isPlaying()) {
						MusicExample.this.mMusic.pause();
					} else {
						MusicExample.this.mMusic.play();
					}
				}

				return true;
			}
		});

		return scene;
	}

	// ===========================================================
	// Methods
	// ===========================================================

	// ===========================================================
	// Inner and Anonymous Classes
	// ===========================================================
}