You can hide your android application title....

Create MyFirstAndroidApp.Java Class : -----
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package my.MyFirstAndroidApp;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;

import android.view.View;
import android.view.View.OnClickListener;

import android.widget.Button;
import android.widget.Toast;

public class MyFirstAndroidAppActivity extends Activity {

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

// -- hides the title bar
requestWindowFeature(Window.FEATURE_NO_TITLE);

setContentView(R.layout.main);
}
}