Java tutorial
//package com.java2s; //License from project: Open Source License import android.os.Build; import android.view.View; import android.view.animation.Animation; import android.view.animation.AnimationSet; import android.view.animation.ScaleAnimation; import android.view.animation.TranslateAnimation; public class Main { public static void translateY(final View view, float fromY, float toY, long duration) { if (Build.VERSION.SDK_INT >= 12) { if (duration == 0) view.setTranslationY(toY); else view.animate().translationY(toY).setDuration(duration).start(); } else { TranslateAnimation translate = new TranslateAnimation(0, 0, fromY, toY); translate.setDuration(duration); translate.setFillEnabled(true); translate.setFillBefore(true); translate.setFillAfter(true); addAnimation(view, translate); } } static void addAnimation(View view, Animation animation) { addAnimation(view, animation, false); } static void addAnimation(View view, Animation animation, boolean first) { Animation previousAnimation = view.getAnimation(); if (previousAnimation == null || previousAnimation.getClass() == animation.getClass()) { if (animation.getStartTime() == Animation.START_ON_FIRST_FRAME) view.startAnimation(animation); else view.setAnimation(animation); return; } if (!(previousAnimation instanceof AnimationSet)) { AnimationSet newSet = new AnimationSet(false); newSet.addAnimation(previousAnimation); previousAnimation = newSet; } // Remove old of same type // AnimationSet set = (AnimationSet) previousAnimation; for (int i = 0; i < set.getAnimations().size(); i++) { Animation anim = set.getAnimations().get(i); if (anim.getClass() == animation.getClass()) { set.getAnimations().remove(i); break; } } // Add this (first if it is a scale animation ,else at end) if (animation instanceof ScaleAnimation || first) { set.getAnimations().add(0, animation); } else { set.getAnimations().add(animation); } animation.startNow(); view.setAnimation(set); } }