Android hello world实例

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
 
public class HelloWorldActivity extends Activity {
    /** Called when the activity is first created. */
    @[author]Override[/author]
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
 
        TextView text = new TextView(this);
        text.setText("Hello World, Android - mkyong.com");
        setContentView(text);
    }
}