how to zoom an image by clicking on it in android
<p>i have one image in my xml file in android project, i need to zoom it when i click on it.
can anybody help me out what code should i write to make my image zoom .</p>

<p>following is my xml code :</p>

<p>main.xml :</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" &gt;

    &lt;ImageView
        android:id="@+id/imageView1"
        android:layout_width="120dp"
        android:layout_height="120dp"

        android:src="@drawable/rtt" /&gt;



&lt;/RelativeLayout&gt;
</code></pre>
