title: Android Platform: How do i display scrollable, zoomable image
body: <p>I have a set of 8 images, i want to show them one by one in sequence. Next image will appear once a button is clicked.</p>
  
  <p>I am able to load my image in imageview.
  1. I cannot find how to change the image on button click
  2. How to make changes in program so that image is scrobbable &amp; zoomable.</p>
  
  <pre><code>enter code here
  &lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_weight="1"&gt;
    &lt;ImageView
    android:id="@+id/imageview1"
    android:gravity="center_horizontal"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_weight="1"
    android:src="@drawable/img1"      
    android:adjustViewBounds="true"
    android:keepScreenOn="true" 
    android:scrollbarStyle="outsideOverlay"
    android:scrollbars="horizontal" android:scaleType="fitXY"/&gt;
    &lt;Button      
    android:layout_height="wrap_content"
    android:layout_width="fill_parent"
    android:id="@+id/button1"
    android:text="Next"/&gt;
  &lt;/LinearLayout&gt;
  </code></pre>