How do I remove the title bar in android studio?

Question

In my app there is this title bar at the top where the overflow menu would be, but I don't need settings and only have one screen. When I change the theme like described in many other questions I get the old 2.2 theme. I want to have the modern theme just without the bar at the top.

Answer 1

Try changing styles to NoActionBar if that doesn't works add this code to your main activity

 protected void onCreate(Bundle savedInstanceState) {
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);
        ActionBar actionBar = getSupportActionBar();
        actionBar.hide();
        setContentView(R.layout.activity_main);

    }

Answer 2

Check this

 ActionBar actionBar = getSupportActionBar();
    actionBar.hide();

Answer 3

delete the following from activity_main.xml

<android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:popupTheme="@style/AppTheme.PopupOverlay"/>

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Answer 4

Just use setTitle(null) above

toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

The title will disappear then you can use the logo of your choice.....

Answer 5

do this in you manifest file:

<application 
    android:icon="@drawable/icon" 
    android:label="@string/app_name" 
    android:theme="@android:style/Theme.NoTitleBar.Fullscreen">

Answer 6

Just call setTitle(null); in onCreate()