SpawnHole.java

package com.mediamonks.googleflip.pages.game.ui;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;

import com.mediamonks.googleflip.R;
import com.mediamonks.googleflip.ui.animation.AnimationCallback;
import com.mediamonks.googleflip.util.SoundManager;

import org.andengine.entity.sprite.Sprite;
import org.andengine.opengl.texture.region.ITextureRegion;
import org.andengine.opengl.vbo.VertexBufferObjectManager;

/**
 * Ball spawn hole view
 */
public class SpawnHole extends Sprite {

    private ObjectAnimator _inAnimator;
    private ObjectAnimator _outAnimator;
    private AnimationCallback _outAnimationCallback;
    private AnimationCallback _inAnimationCallback;

    public SpawnHole(float pX, float pY, ITextureRegion pTextureRegion, VertexBufferObjectManager pVertexBufferObjectManager) {
        super(pX, pY, pTextureRegion, pVertexBufferObjectManager);

        _inAnimator = ObjectAnimator.ofPropertyValuesHolder(this, PropertyValuesHolder.ofFloat("scaleX", 1.0f), PropertyValuesHolder.ofFloat("scaleY", 1.0f));
        _inAnimator.setInterpolator(new DecelerateInterpolator());
        _inAnimator.setDuration(350);
        _inAnimator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animation) {
                SoundManager.getInstance().play(R.raw.portal_appear);
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                if (_inAnimationCallback != null) {
                    _inAnimationCallback.onComplete();
                }
            }
        });

        _outAnimator = ObjectAnimator.ofPropertyValuesHolder(this, PropertyValuesHolder.ofFloat("scaleX", 0f), PropertyValuesHolder.ofFloat("scaleY", 0f));
        _outAnimator.setInterpolator(new AccelerateInterpolator());
        _outAnimator.setDuration(250);
        _outAnimator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                if (_outAnimationCallback != null) {
                    _outAnimationCallback.onComplete();
                }
            }
        });

        setScale(0);
    }

    public void show(long delay, final AnimationCallback callback) {
        if (mDisposed) return;

        _inAnimationCallback = callback;

        _inAnimator.setStartDelay(delay);
        _inAnimator.start();
    }

    public void show() {
        show(0, null);
    }

    public void hide(long delay, final AnimationCallback callback) {
        if (mDisposed) return;

        _outAnimationCallback = callback;

        _outAnimator.setStartDelay(delay);
        _outAnimator.start();
    }

    @Override
    public void dispose() {
        if (mDisposed) return;

        _inAnimator.removeAllListeners();
        _inAnimationCallback = null;
        if (_inAnimator.isRunning()) _inAnimator.cancel();
        _inAnimator = null;

        _outAnimator.removeAllListeners();
        _outAnimationCallback = null;
        if (_outAnimator.isRunning()) _outAnimator.cancel();
        _outAnimator = null;

        super.dispose();
    }
}