fade In View - Android Animation

Android examples for Animation:Fade Animation

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Description

fade In View

Demo Code


//package com.java2s;
import android.animation.FloatEvaluator;
import android.animation.ValueAnimator;
import android.view.View;
import static android.animation.ValueAnimator.ofObject;

public class Main {
    public static void fadeInView(final View view, long duration) {
        float fromValue = 0.0f;
        float toValue = 1.0f;
        view.setAlpha(fromValue);//from   ww  w . ja v  a  2  s .c  om
        view.setVisibility(View.VISIBLE);
        view.requestLayout();
        ValueAnimator valueAnimator = ofObject(new FloatEvaluator(),
                fromValue, toValue);
        valueAnimator
                .addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator animator) {
                        view.setAlpha((float) animator.getAnimatedValue());
                    }
                });
        valueAnimator.setDuration(duration);
        valueAnimator.start();
    }
}

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