Zoomin animation on picture in android

Zoomin animation falls under the category of View Animation. The view animation framework animations, which can both be declared in XML.

The  zoomin animation xml file is given below :


<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
 <scale android:fromXScale="2.0" android:toXScale="1.0"
 android:fromYScale="2.0" android:toYScale="1.0"
 android:pivotX="50%p" android:pivotY="50%p"
 android:duration="@android:integer/config_longAnimTime" />
  • <set> contains other animation elements.
  • <scale > is a  resizing animation tag. You can specify the center point of the image from which it grows outward (or inward) by specifying pivotX and pivotY.
  • fromXScale/fromYScale represents the initial state and toXScale/toYScale represent the final state .

Hence , in this example the image is zoomed to its double size as “1.0” scale specifies no change.

Note: The zoomin.xml is created in anim folder which is a part of res folder.

The code for loading and starting the animation is given below.


public void onItemClick( View v)


Animation animLinear = AnimationUtils.loadAnimation(mContext, R.anim.zoomin);

v.startAnimation(animLinear);//starts the animation


android.view.animation.AnimationUtils  defines common utilities for working with animations and loadAnimation .loads an animation object from a resource anim folder.

Hence ,create the animation xml file first and then add the above code


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