Error "android (name of project) has stopped unexpectedly
<pre><code>package com.iperetz1.android.testbutton1;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class TestButton extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        Button test2 = (Button)findViewById(R.id.test2);      
        test2.setOnClickListener(new OnClickListener()
        {
           @Override
           public void onClick(View v) 
           {
               setContentView(R.layout.test2);;
           }
        });

        Button other = (Button)findViewById(R.id.backmain);      
        other.setOnClickListener(new OnClickListener()
        {
           @Override
           public void onClick(View v) 
           {
               setContentView(R.layout.main);;
           }
        });
    }
}
</code></pre>

<p>main.xls</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;AbsoluteLayout
android:id="@+id/widget0"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
&gt;
&lt;Button
android:id="@+id/test2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="test2"
android:layout_x="24px"
android:layout_y="165px"
&gt;
&lt;/Button&gt;
&lt;/AbsoluteLayout&gt;
</code></pre>

<p>test2.xml</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;AbsoluteLayout
android:id="@+id/widget0"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
&gt;
&lt;Button
android:id="@+id/backmain"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="backmain"
android:layout_x="24px"
android:layout_y="165px"
&gt;
&lt;/Button&gt;
&lt;/AbsoluteLayout&gt;
</code></pre>
