FadeModalTransition.java

package architect.commons.transition;

import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.view.View;

import architect.ViewTransitionDirection;

/**
 * @author Lukasz Piliszczuk - lukasz.pili@gmail.com
 */
public class FadeModalTransition extends ModalTransition {

    protected boolean hideExitView;

    public FadeModalTransition() {
    }

    public FadeModalTransition(Config config) {
        super(config);
    }

    /**
     * @param hideExitView should the transition hide the exit view?
     */
    public FadeModalTransition(boolean hideExitView) {
        this.hideExitView = hideExitView;
    }

    /**
     * @param hideExitView should the transition hide the exit view?
     */
    public FadeModalTransition(boolean hideExitView, Config config) {
        super(config);
        this.hideExitView = hideExitView;
    }

    @Override
    public void transition(View enterView, View exitView, ViewTransitionDirection direction, AnimatorSet set) {
        super.transition(enterView, exitView, direction, set);

        if (direction == ViewTransitionDirection.FORWARD) {
            set.play(ObjectAnimator.ofFloat(enterView, View.ALPHA, 0, 1));
        } else {
            set.play(ObjectAnimator.ofFloat(exitView, View.ALPHA, 1, 0));
        }
    }

    @Override
    public boolean hideExitView() {
        return hideExitView;
    }
}