Android View Fade In setAlpha(View view, float alphaValue)

Description

set Alpha

License

Apache License

Declaration

private static void setAlpha(View view, float alphaValue) 

Method Source Code

//package com.java2s;
/*/*from   ww  w .  j  a  v a 2 s . c  om*/
 * Copyright 2011 - AndroidQuery.com (tinyeeliu@gmail.com)
 * 
 * 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.view.View;
import android.view.animation.AlphaAnimation;

public class Main {
    private static void setAlpha(View view, float alphaValue) {

        if (alphaValue == 1) {
            view.clearAnimation();
        } else {
            AlphaAnimation alpha = new AlphaAnimation(alphaValue,
                    alphaValue);
            alpha.setDuration(0); // Make animation instant
            alpha.setFillAfter(true); // Tell it to persist after the animation ends       
            view.startAnimation(alpha);
        }

    }
}

Related

1. fadeIn(View view)
2. fadeIn(View view, float startAlpha, float endAlpha, long duration)