start Fade In Animation On - Android Animation

Android examples for Animation:Fade Animation

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Description

start Fade In Animation On

Demo Code

/*/*from   w  ww .  j  a  va 2 s  .  co  m*/
 * Copyright (C) 2016 Marco Hernaiz Cao
 *
 * 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.java2s;

import android.view.View;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;

public class Main {
    public static final int FADE_DURATION = 200;

    public static void startFadeInAnimationOn(final View container) {
        startFadeInAnimationOn(container, false);
    }

    public static void startFadeInAnimationOn(final View container,
            boolean forceFade) {
        if (forceFade || container.getVisibility() != View.VISIBLE) {
            Animation animation = getFadeInAnimation(FADE_DURATION);
            animation.setAnimationListener(new AnimationListener() {
                @Override
                public void onAnimationStart(Animation animation) {
                    container.setVisibility(View.VISIBLE);
                }

                @Override
                public void onAnimationRepeat(Animation animation) {
                }

                @Override
                public void onAnimationEnd(Animation animation) {
                }
            });

            container.startAnimation(animation);
        }
    }

    public static Animation getFadeInAnimation(int durationInMilliseconds) {
        Animation fadeIn = new AlphaAnimation(0, 1);
        fadeIn.setFillAfter(true);
        fadeIn.setInterpolator(new AccelerateInterpolator());
        fadeIn.setDuration(durationInMilliseconds);
        return fadeIn;
    }
}

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