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

Answer 1

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 2

The easiest way: Just double click on this button and choose "NoTitleBar" ;)

Click here to see where it is :)

Answer 3

try: toolbar.setTitle(" ");

@Override
protected void onCreate(Bundle savedInstanceState) 
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Toolbar toolbar = findViewById(R.id.toolbar);
    toolbar.setTitle("");
    setSupportActionBar(toolbar);
}

Answer 4

this.requestWindowFeature(Window.FEATURE_NO_TITLE);

works in onCreate() when put before setContentView() is invoked.

otherwise it crashes

Answer 5

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"/>

contact me for more help

Answer 6

do this in you manifest file:

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