dim Background color - Android Activity

Android examples for Activity:Activity Background

  1. HOME
  2. Android
  3. Activity
  4. Activity Background

Description

dim Background color

Demo Code


//package com.java2s;
import android.animation.ValueAnimator;
import android.app.Activity;

import android.view.Window;
import android.view.WindowManager;

public class Main {

    public static void dimBackground(final float from, final float to,
            Activity context) {/*  www . j  ava2  s .  c o m*/
        final Window window = context.getWindow();
        ValueAnimator valueAnimator = ValueAnimator.ofFloat(from, to);
        valueAnimator.setDuration(500);
        valueAnimator
                .addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                    @Override
                    public void onAnimationUpdate(ValueAnimator animation) {
                        WindowManager.LayoutParams params = window
                                .getAttributes();
                        params.alpha = (Float) animation.getAnimatedValue();
                        window.setAttributes(params);
                    }
                });
        valueAnimator.start();
    }
}

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