Use Action Bar

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.java2s.MyActionBar"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="14" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
          <activity
              android:label="@string/app_name"
              android:name=".MyActionBarActivity"
              android:theme="@android:style/Theme.Holo.NoActionBar" >
              <intent-filter >
                  <action android:name="android.intent.action.MAIN" />
                  <category android:name="android.intent.category.LAUNCHER" />
              </intent-filter>
          </activity>
      </application>

</manifest>

import android.app.ActionBar;
import android.app.Activity;
import android.os.Bundle;
/*from w  w  w .j  av  a  2  s  .  c  o m*/
public class MyActionBarActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        ActionBar actionBar = getActionBar();
        actionBar.hide();
        //actionBar.show(); //show it again
    }
}