<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        style="@style/text_content_style"
        android:text="haha" />

    <TextView
        style="@style/text_content_style"
        android:text="gaga" />

    <TextView
       
        style="@style/text_red_content_style"
        android:text="guagua" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <style name="text_content_style">
        <item name="android:layout_width">wrap_content</item>
        <item name="android:layout_height">wrap_content</item>
        <item name="android:textColor">#66ff00</item>
        <item name="android:textSize">28sp</item>
    </style>

    <style name="text_red_content_style" parent="@style/text_content_style">
        <item name="android:textColor">#ff0000</item>
    </style>
    <style name="activity_bg_theme">
        <item name="android:background">#ff0000</item>
        <item name="android:windowFullscreen">true</item>
    </style>
  

</resources>