import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void addListener(String source, PdListener listener) {
	Array<PdListener> listeners = this.listeners.get(source);
	if(listeners == null){
		Collection<Object> args = new ArrayList<Object>();
		args.add(1);
		OSCMessage msg = new OSCMessage("/subscribe/" + source, args);
		try {
			sender.send(msg);
		} catch (IOException e) {
			throw new PdRuntimeException(e);
		}
		this.listeners.put(source, listeners = new Array<PdListener>());
	}
	listeners.add(listener);
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void addListener(String source, PdListener listener) {
	Array<PdListener> contextualListeners = listeners.get(source);
	if(contextualListeners == null){
		PdBase.subscribe(source);
		listeners.put(source, contextualListeners = new Array<PdListener>());
	}
	contextualListeners.add(listener);
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void removeListener(String source, PdListener listener) {
	Array<PdListener> contextualListeners = listeners.get(source);
	if(contextualListeners != null){
		contextualListeners.removeValue(listener, true);
		if(contextualListeners.size <= 0){
			PdBase.unsubscribe(source);
			listeners.remove(source);
		}
	}
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void removeListener(String source, PdListener listener) {
	Array<PdListener> listeners = this.listeners.get(source);
	if(listeners != null){
		listeners.removeValue(listener, true);
	}
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
public WavePreview(Subpatch subpatch) {
	super(subpatch);
	PdHelper.addListener(array.name + ".change", new PdListener.Adapter(){
		@Override
		public void receiveBang(String source) {
			PdBase.readArray(array.buffer, 0, array.name, 0, array.buffer.length);
			parent.threadSafeInvalidate();
		}
	});
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
protected void initPd() throws IOException {

		// Configure the audio glue
		int sampleRate = AudioParameters.suggestSampleRate();

		// reducing sample rate based on no. of cores
		if (getNumCores() == 1)
			sampleRate = sampleRate / 4;
		else
			sampleRate = sampleRate / 2;

		pdService.initAudio(sampleRate, 0, 2, 10.0f);
		
		pdService.startAudio(new Intent(this, SynthCircle.class),
				R.drawable.notif_icon, "CircleSynth", "Return to Circle Synth");

		dispatcher = new PdUiDispatcher();
		PdBase.setReceiver(dispatcher);

		dispatcher.addListener("scan", new PdListener.Adapter() {
			@Override
			public void receiveFloat(String source, final float x) {
				scanline = x;
				detect();
				sendPdValue();
			}
		});

	}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void addListener(String source, PdListener listener) {
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
@Override
public void removeListener(String source, PdListener listener) {
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
public static void addListener(String symbol, PdListener listener) 
{
	dispatcher.addListener(symbol, listener);
}
 

import org.puredata.core.PdListener; //导入依赖的package包/类
/**
 * add listener for symbol
 * @param source name of the symbol for which receive events.
 * @param listener
 * @throws PdRuntimeException on error
 */
public void addListener(String source, PdListener listener);
 

import org.puredata.core.PdListener; //导入依赖的package包/类
/**
 * remove previously added listener
 * @param source
 * @param listener
 */
public void removeListener(String source, PdListener listener);