com.badlogic.gdx.ApplicationListener.java Source code

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Here is the source code for com.badlogic.gdx.ApplicationListener.java

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/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.
 ******************************************************************************/

package com.badlogic.gdx;

/** <p>
 * An <code>ApplicationListener</code> is called when the {@link Application} is created, resumed, rendering, paused or destroyed.
 * All methods are called in a thread that has the OpenGL context current. You can thus safely create and manipulate graphics
 * resources.
 * </p>
 * 
 * <p>
 * The <code>ApplicationListener</code> interface follows the standard Android activity life-cycle and is emulated on the desktop
 * accordingly.
 * </p>
 * 
 * @author mzechner */
public interface ApplicationListener {
    /** Called when the {@link Application} is first created. */
    public void create();

    /** Called when the {@link Application} is resized. This can happen at any point during a non-paused state but will never happen
     * before a call to {@link #create()}.
     * 
     * @param width the new width in pixels
     * @param height the new height in pixels */
    public void resize(int width, int height);

    /** Called when the {@link Application} should render itself. */
    public void render();

    /** Called when the {@link Application} is paused, usually when it's not active or visible on screen. An Application is also
     * paused before it is destroyed. */
    public void pause();

    /** Called when the {@link Application} is resumed from a paused state, usually when it regains focus. */
    public void resume();

    /** Called when the {@link Application} is destroyed. Preceded by a call to {@link #pause()}. */
    public void dispose();
}