Java tutorial
//package com.java2s; import android.view.animation.Animation; import android.view.animation.ScaleAnimation; public class Main { public static Animation zoomAnimation(float startScale, float endScale, long duration) { ScaleAnimation anim = new ScaleAnimation(startScale, endScale, startScale, endScale, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); anim.setFillAfter(true); anim.setDuration(duration); return anim; } }