设置 Toolbar(ActionBar) 上的按钮颜色

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原文地址：
https://stackoverflow.com/a/29536902
https://stackoverflow.com/a/27754099

[your_layout.xml]

    style="@style/MyToolbarStyle"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

Styles / Themes in styles.xml

Result

Note: I made the checkbox purple for demo purpose

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Change arrow color of Spinner

1) In styles.xml, add the following style:

2) In the layout, where you use the Spinner (in your case with Toolbar), add the style to your spinner: