remove some redundant styles

        <item name="colorPrimary">@color/color_primary</item>

        <item name="colorPrimaryDark">@color/color_primary_dark</item>

        <item name="colorAccent">@color/color_accent</item>

        <!--<item name="actionBarStyle">@style/AppTheme.ActionBarStyle</item>-->

        <item name="android:spinnerItemStyle">@style/SpinnerItem</item>

        <item name="spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>

        <item name="android:spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>

        <item name="android:windowShowWallpaper">true</item>

    </style>

    <style name="AppTheme.ActionBarStyle" parent="@style/Base.Widget.AppCompat.ActionBar">

        <!--<item name="background">@color/color_primary</item>

        <item name="titleTextStyle">@style/AppTheme.ActionBar.TitleTextStyle</item>-->

    </style>

    <style name="AppTheme.ActionBar.TitleTextStyle" parent="@android:style/TextAppearance.Holo.Widget.ActionBar.Title">

        <item name="android:fontFamily">sans-serif</item>

        <item name="android:textSize">@dimen/actionbar_text_size</item>