AndroidChart/hellocharts-android/hellocharts-samples/res/menu/preview_column_chart.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="lecho.lib.hellocharts.samples.PreviewColumnChartActivity" >

    <item
        android:id="@+id/action_reset"
        android:title="Reset chart"
        app:showAsAction="never"/>
    <item
        android:id="@+id/action_preview_both"
        android:title="Preview X/Y"
        app:showAsAction="never"/>
    <item
        android:id="@+id/action_preview_horizontal"
        android:title="Preveiw X"
        app:showAsAction="never"/>
    <item
        android:id="@+id/action_preview_vertical"
        android:title="Preview Y"
        app:showAsAction="never"/>
    <item
        android:id="@+id/action_change_color"
        android:title="Change color"
        app:showAsAction="never"/>

</menu>