在应用程序中更改操作栏溢出图标

Question

I am trying to change the Action Bar Overflow Icon in an app. I have seen some info on this site but it's not clear to me. Does anyone know what code I should enter and in what files?

Answer 1

Try this may be helpful to you

private Toolbar toolbar;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setIcon(R.mipmap.ic_title);
......
}

Answer 2

You can change the Overflow Icon programmatically by using Toolbar.setOverflowIcon() method.

// ToolBar
Toobar toolbar = (Toolbar) findViewById(R.id.toolbar);

if (toolbar != null) {
    setSupportActionBar(toolbar);
    toolbar.setOverflowIcon(getResources().getDrawable(R.drawable.your_overflow_icon));
}

Toolbar XML

<android.support.v7.widget.Toolbar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/colorAccent"
    android:minHeight="?attr/actionBarSize"
    app:theme="@style/ThemeOverlay.AppCompat.Light"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light">

</android.support.v7.widget.Toolbar>

or, you can also define a style for custom Overflow Icon in your main styles.xml like this:

<style name="AppTheme.Base" parent="Theme.AppCompat.Light">
    <item name="actionOverflowButtonStyle">@style/OverFlow</item>
</style>

<style name="OverFlow" parent="Widget.AppCompat.ActionButton.Overflow">
    <item name="android:src">@drawable/your_overflow_icon</item>
</style>