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Android 3.2 remove title from action bar
@Override
public void onCreate(Bundle savedInstanceState)
{
    ActionBar actionBar = getActionBar();
    actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setDisplayShowHomeEnabled(false);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.test);
}

<activity android:name=".ActivityHere"
     android:label="">

<resources>
    <style name="ActionBar.CustomTheme" parent="@android:style/Widget.Holo.ActionBar"/>
    <style name="CustomTheme" parent="@android:style/Theme.Holo">
        <item name="android:actionBarStyle">@style/ActionBar.CustomTheme</item>
    </style>
</resources>

<application
  android:theme="@style/CustomTheme
  ...

<activity
  android:name="MainActivity"
  android:theme="@android:style/Theme.Holo.NoActionBar">
  ...

@Override
public void onCreate()(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setTheme(R.style.CustomTheme); // Set the custom theme which has the action bar.
    ActionBar actionBar = getActionBar();
    ...