小编Muk*_*ani的帖子

<resources>
  <!-- inherit from the material theme -->
 <style name="AppTheme" parent="android:Theme.Material">
   <!-- Main theme colors -->
   <!--   your app branding color for the app bar -->
   <item name="android:colorPrimary">@color/primary</item>
   <!--   darker variant for the status bar and contextual app bars -->
   <item name="android:colorPrimaryDark">@color/primary_dark</item>
   <!--   theme UI controls like checkboxes and text fields -->
   <item name="android:colorAccent">@color/accent</item>
 </style>
</resources>

请尝试解决问题.