How to solve the problem with ToolBarom?

Question

Java

I'm trying to embed a toolbar in my application so that I can change it later as I see fit. But when it is initialized, the actionbar data still appears.
Here is the styles.xml code

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

Here is the code snippet of MainActivity

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

Here's what happens when you run the application

. If you remove the setSupportActionBar(toolbar) line, the toolbar becomes normal, but you can't place anything on it. How can this be fixed?

Answer 1

What do you mean by "can't post"? Of course, you can't refer to him as an action bar, he's just an ordinary wedge group that lives a bit of its own life. It is necessary to call any methods directly on it, such as toolbar.setTitle (). toolbar.getMenu().and so on.