首先在清单中设置 android：targetSdkVersion = 22 以使您的应用兼容到棒棒糖。

At first set android:targetSdkVersion="22" in your manifest to make your app compatible to Lollipop.

注意：开关的颜色取决于此

<item name="android:colorAccent">@color/accent</item>

使用
styles.xml 为应用创建自己的主题>在文件夹 values-v21

Create your own theme for your app in styles.xml in Folder values-v21

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="AppTheme" parent="AppTheme.Base">
        <item name="android:colorPrimary">@color/primary</item>
        <item name="android:colorPrimaryDark">@color/primary_dark</item>
        <item name="android:colorAccent">@color/accent</item>
        <item name="android:textColorPrimary">@color/text_primary</item>
        <item name="android:textColor">@color/text_secondary</item>
        <item name="android:navigationBarColor">@color/primary_dark</item>
        <item name="toolbarStyle">@style/Widget.AppCompat.Toolbar</item>
    </style>
</resources>

styles.xml 在默认文件夹值中或 values-v14

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="AppTheme.Base">
        <!-- Customize your theme here. -->

        <item name="toolbarStyle">@style/Widget.AppCompat.Toolbar</item>
    </style>

    <style name="AppTheme.Base" parent="Theme.AppCompat">
        <!-- Customize your theme here. -->

        <!-- colorPrimary is used for the default action bar background -->
        <item name="colorPrimary">@color/primary</item>

        <!-- colorPrimaryDark is used for the status bar -->
        <item name="colorPrimaryDark">@color/primary_dark</item>

        <!-- colorAccent is used as the default value for colorControlActivated
             which is used to tint widgets -->
        <item name="colorAccent">@color/accent</item>

        <!-- You can also set colorControlNormal, colorControlActivated
             colorControlHighlight & colorSwitchThumbNormal. -->
    </style>

</resources>