A reusable click listener which emits an object on click

SubjectClickListener.java

package de.schlankr.utils;

import android.support.annotation.IdRes;
import android.view.View;

import rx.subjects.PublishSubject;

public class SubjectClickListener <V> implements View.OnClickListener {

	public static <V> SubjectClickListener<V> get(final PublishSubject<V> publishSubject, final View clickTarget, final View tagTarget, @IdRes final int listenerId) {
		//noinspection unchecked
		SubjectClickListener<V> result = (SubjectClickListener<V>) tagTarget.getTag(listenerId);
		if (result == null) {
			clickTarget.setTag(listenerId, result = new SubjectClickListener<>(publishSubject));
			clickTarget.setOnClickListener(result);
		}

		return result;
	}

	private final PublishSubject<V> _publishSubject;

	private V _subjectObject;

	public SubjectClickListener(final PublishSubject<V> publishSubject) {
		_publishSubject = publishSubject;
	}

	@Override
	public void onClick(final View view) {
		_publishSubject.onNext(_subjectObject);
	}

	public void setSubjectObject(final V subjectObject) {
		_subjectObject = subjectObject;
	}
}