Android - How to remove app name from ActionBar

Question

This is my app:

Now i want to remove the app name from my ActionBar...
I want it like this:

my code:

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:myapp="http://schemas.android.com/apk/res-auto" >

    <item
        android:id="@+id/phone"
        android:title="@string/phone"
        android:icon="@drawable/phone"
        myapp:showAsAction="ifRoom" />

    <item
        android:id="@+id/computer"
        android:title="@string/computer"
        android:icon="@drawable/computer"
        myapp:showAsAction="ifRoom"  />


</menu>

Answer 1

ActionBar actionBar = getActionBar();
actionBar.setDisplayShowTitleEnabled(false);
actionBar.setDisplayShowHomeEnabled(false);

Or you can just call actionbar.setTitle("")