Apps compound controls

[jelly]

I am having trouble with extending layouts if anyone has a idea what im doing wrong i would appreciate it.
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android: orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<EditText
android:id="@+id/editText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
></EditText>
<Button
android:id="@+id/clearButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Clear"
></Button>
<TextView
android:id="@+id/textView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
</LinearLayout>
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package com.paad.reset2;

import android.app.Activity;
import android.os.Bundle;

public class reset2 extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}

}
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package com.paad.reset2;


import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;

public class ClearableEditText extends LinearLayout {

EditText editText;
Button clearButton;
public ClearableEditText(Context context) {
super(context);

// Get a reference to the LayoutInflater Service
String infService = Context.LAYOUT_INFLATER_SERVICE;
LayoutInflater li = (LayoutInflater)getContext().getSystemService(infService);

// Inflate the view from the layout resource
li.inflate(R.layout.main, this, true);

// Get references to the child controls
editText = (EditText)findViewById(R.id.editText);
clearButton = (Button)findViewById(R.id.clearButton);

// Hook up the functionality
hookupButton();
}

private void hookupButton() {
clearButton.setOnClickListener(new Button.OnClickListener() {

public void onClick(View v) {
editText.setText("");
}
});
}

}