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    copied!<p>In my case, although size '2' is displayed in the spinner, nothing happens till some selection is done!</p> <p>I have an xml file (data_sizes.xml) which lists all the spinner values.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;resources&gt; &lt;string-array name="chunks"&gt; &lt;item&gt;2&lt;/item&gt; &lt;item&gt;4&lt;/item&gt; &lt;item&gt;8&lt;/item&gt; &lt;item&gt;16&lt;/item&gt; &lt;item&gt;32&lt;/item&gt; &lt;/string-array&gt; &lt;/resources&gt; </code></pre> <p>In main.xml file: Spinner element</p> <pre><code>&lt;Spinner android:id="@+id/spinnerSize" android:layout_marginLeft="50px" android:layout_width="fill_parent" android:drawSelectorOnTop="true" android:layout_marginTop="5dip" android:prompt="@string/SelectSize" android:layout_marginRight="30px" android:layout_height="35px" /&gt; </code></pre> <p>Then in my java code, I added:</p> <p>In my activity: Declaration</p> <pre><code>Spinner spinnerSize; ArrayAdapter adapter; </code></pre> <p>In a public void function - initControls(): Definition</p> <pre><code>spinnerSize = (Spinner)findViewById(R.id.spinnerSize); adapter = ArrayAdapter.createFromResource(this, R.array.chunks, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerSize.setAdapter(adapter); spinnerSize.setOnItemSelectedListener(new MyOnItemSelectedListener()); </code></pre> <p>My spinner listener:</p> <p>/* Spinner Listener */</p> <pre><code>class MyOnItemSelectedListener implements OnItemSelectedListener { public void onItemSelected(AdapterView&lt;?&gt; parent, View view, int pos, long id) { chunkSize = new Integer(parent.getItemAtPosition(pos).toString()).intValue(); } public void onNothingSelected(AdapterView&lt;?&gt; parent) { // Dummy } } </code></pre>
 

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