Main.java

package org.rapidoid.docs.clicky;

import org.rapidoid.annotation.Controller;
import org.rapidoid.gui.Btn;
import org.rapidoid.gui.GUI;
import org.rapidoid.html.Tag;
import org.rapidoid.setup.App;

/*
 * #%L
 * rapidoid-integration-tests
 * %%
 * Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

// Basic event handling and session storage :: Increase n when the "+" button is clicked: 

public class Main {
	String title = "Clicky";
	String theme = "3";

	public static void main(String[] args) {
		App.bootstrap(args);
	}
}

@Controller
class Home extends GUI {
	public int n = 0; // here

	public Object content() {
		Tag caption = h3(n, " clicks");
		Btn hi = btn("+").command("Inc"); // here
		return row(caption, hi);
	}

	public void onInc() { // here
		n++;
	}
}