Android First Demo

/* This is First Basic Demo of Android */

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:gravity="center" >

    <TextView
        android:id="@+id/tvDemo"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Large Text"
        android:gravity="center"
        android:textAppearance="?android:attr/textAppearanceLarge" />

</LinearLayout>

FirstDemoActivity.java

 package com.firstdemo;

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

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