[android] 安卓自定义样式和主题

简单练习自定义样式和主题，样式是加在View上，主题是加在Application或者Activity上

styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 自定义样式 -->
    <style name="MyFont">
        <item name="android:textColor">#ff0000</item>
        <item name="android:textSize">40sp</item>
    </style>
    <style name="MyFontSon" parent="@style/MyFont">
        <item name="android:textSize">30sp</item>
    </style>
    <!-- 自定义主题 -->
    <style name="MyTheme">
        <item name='android:windowNoTitle'>true</item>
        <item name="android:background">#ffffff</item>
    </style>
</resources>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    
    <TextView
        style="@style/MyFont"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="样式和主题"
        />
    <TextView
        style="@style/MyFontSon"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="样式和主题"
        />
</LinearLayout>

Manifest.xml

<application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="ss"
        android:theme="@style/MyTheme" >