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

Here you can find the source of setAlpha(View view, float alphaValue)


set Alpha


Apache License


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



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