Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2013 Prateek Srivastava (@f2prateek)
 *
 * 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.
 */

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.view.View;

public class Main {
    /**
     * Crossfade between two views.
     *
     * @param crossfadeIn View that will fade into visibility
     * @param crossfadeOut View that will fade out of visibility
     */
    public static void crossfadeViews(final View crossfadeIn, final View crossfadeOut, int duration) {
        fadeIn(crossfadeIn, duration);
        fadeOut(crossfadeOut, 0f, duration);
    }

    /** Fade in the given view. */
    public static void fadeIn(final View view, int duration) {
        view.setAlpha(0f);
        view.setVisibility(View.VISIBLE);

        // Animate the content view to 100% opacity, and clear any animation
        // listener set on the view.
        view.animate().withLayer().alpha(1f).setDuration(duration).setListener(null);
    }

    /** Fade out the given view. */
    public static void fadeOut(final View view, float opacity, int duration) {
        // Animate the loading view to the given opacity.

        AnimatorListenerAdapter animatorListenerAdapter = null;
        if (opacity == 0f) {
            // After the animation ends, set its visibility to GONE as an optimization step
            // (it won't participate in layout passes, etc.)
            animatorListenerAdapter = new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    view.setVisibility(View.GONE);
                }
            };
        }
        view.animate().withLayer().alpha(opacity).setDuration(duration).setListener(animatorListenerAdapter);
    }
}