Utility for slide down and slide up : AlphaAnimation « Animation « Android

1. Android
2. Animation
3. AlphaAnimation

Utility for slide down and slide up

    
//package com.onerm.ui;

import android.content.Context;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.LayoutAnimationController;
import android.view.animation.TranslateAnimation;

public class AnimUtils {
  public static void setLayoutAnim_slidedownfromtop(
      ViewGroup panel, Context ctx) {
    AnimationSet set = new AnimationSet(true);
    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(100);
    set.addAnimation(animation);
    animation = new TranslateAnimation(
        Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, -1.0f, Animation.RELATIVE_TO_SELF, 0.0f
    );
    animation.setDuration(500);
    set.addAnimation(animation);

    LayoutAnimationController controller =
        new LayoutAnimationController(set, 0.25f);
    panel.setLayoutAnimation(controller);
  }
  
  public static void setLayoutAnim_slideupfrombottom(
      ViewGroup panel, Context ctx) {
    AnimationSet set = new AnimationSet(true);
    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(100);
    set.addAnimation(animation);
    animation = new TranslateAnimation(
        Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, 1.0f, Animation.RELATIVE_TO_SELF, 0.0f
    );
    animation.setDuration(500);
    set.addAnimation(animation);

    LayoutAnimationController controller =
        new LayoutAnimationController(set, 0.25f);
    panel.setLayoutAnimation(controller);
  }
}

   
    
    
    
  

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