有没有办法在Android主题中添加自定义字体？
我已经阅读了快速提示：自定义Android字体，但是在这里我们必须通过编程的方式将自定义字体添加到文本。
TextView txt = (TextView) findViewById(R.id.custom_font);
Typeface font = Typeface.createFromAsset(getAssets(), "Chantelli_Antiqua.ttf");
txt.setTypeface(font);
但我想通过样式/主题设置自定义字体。
以下是如何应用这些工具的示例。将所有字体文件放在assets/fonts/中。然后，在一个xml文件中声明这些字体（例如res/xml/fonts.xml），并在应用程序早期使用TypefaceManager.initialize(this, R.xml.fonts);加载此文件（例如，在Application类的onCreate中）。xml文件如下所示：
<?xml version="1.0" encoding="utf-8"?>
<familyset>
<!-- Some Font. Can be referenced with 'someFont' or 'aspergit' -->
<family>
<nameset>
<name>aspergit</name>
<name>someFont</name>
</nameset>
<fileset>
<file>Aspergit.ttf</file>
<file>Aspergit Bold.ttf</file>
<file>Aspergit Italic.ttf</file>
<file>Aspergit Bold Italic.ttf</file>
</fileset>
</family>
<!-- Another Font. Can be referenced with 'anotherFont' or 'bodoni' -->
<family>
<nameset>
<name>bodoni</name>
<name>anotherFont</name>
</nameset>
<fileset>
<file>BodoniFLF-Roman.ttf</file>
<file>BodoniFLF-Bold.ttf</file>
</fileset>
</family>
</familyset>
现在你可以在样式或xml中使用这些字体（前提是你使用了我上面提到的工具），通过在自定义TextView com.innovattic.font.FontTextView 中设置flFont属性来实现。下面你可以看到如何通过编辑res/values/styles.xml，将字体应用到整个应用程序中的所有文本：
<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools">
<!-- Application theme -->
<!-- Use a different parent if you don't want Holo Light -->
<style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
<item name="android:textViewStyle">@style/MyTextViewStyle</item>
</style>
<!-- Style to use for ALL text views (including FontTextView) -->
<!-- Use a different parent if you don't want Holo Light -->
<style name="MyTextViewStyle" parent="@android:style/Widget.Holo.Light.TextView">
<item name="android:textAppearance">@style/MyTextAppearance</item>
</style>
<!-- Text appearance to use for ALL text views (including FontTextView) -->
<!-- Use a different parent if you don't want Holo Light -->
<style name="MyTextAppearance" parent="@android:style/TextAppearance.Holo">
<!-- Alternatively, reference this font with the name "aspergit" -->
<!-- Note that only our own TextView's will use the font attribute -->
<item name="flFont">someFont</item>
<item name="android:textStyle">bold|italic</item>
</style>
<!-- Alternative style, maybe for some other widget -->
<style name="StylishFont">
<item name="flFont">anotherFont</item>
<item name="android:textStyle">normal</item>
</style>
</resources>
res/layout/layout.xml的附带内容：<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<!-- This text view is styled with the app theme -->
<com.innovattic.font.FontTextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="This uses my font in bold italic style" />
<!-- This text view is styled here and overrides the app theme -->
<com.innovattic.font.FontTextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:flFont="anotherFont"
android:textStyle="normal"
android:text="This uses another font in normal style" />
<!-- This text view is styled with a style and overrides the app theme -->
<com.innovattic.font.FontTextView
style="@style/StylishFont"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="This also uses another font in normal style" />
</LinearLayout>
不要忘记在您的Android清单中应用主题。
在运行时，我的活动中使用类似于以下内容：
FontUtils.setCustomFont(findViewById(R.id.top_view), getAssets());
在XML中：
<TextView
android:id="@+id/my_label"
android:tag="condensed"
android:text="@string/label"
... />
理论上你可以创建样式，并将其与FontUtils / 运行时代码一起使用。
<style name="roboto_condensed">
<item name="android:tag">condensed,your-own-css-like-language-here</item>
</style>
FontUtils类：
public class FontUtils {
private static Typeface normal;
private static Typeface bold;
private static Typeface condensed;
private static Typeface light;
private static void processsViewGroup(ViewGroup v, final int len) {
for (int i = 0; i < len; i++) {
final View c = v.getChildAt(i);
if (c instanceof TextView) {
setCustomFont((TextView) c);
} else if (c instanceof ViewGroup) {
setCustomFont((ViewGroup) c);
}
}
}
private static void setCustomFont(TextView c) {
Object tag = c.getTag();
if (tag instanceof String) {
if (((String) tag).contains("bold")) {
c.setTypeface(bold);
return;
}
if (((String) tag).contains("condensed")) {
c.setTypeface(condensed);
return;
}
if (((String) tag).contains("light")) {
c.setTypeface(light);
return;
}
}
c.setTypeface(normal);
}
public static void setCustomFont(View topView, AssetManager assetsManager) {
if (normal == null || bold == null || condensed == null || light == null) {
normal = Typeface.createFromAsset(assetsManager, "fonts/roboto/Roboto-Regular.ttf");
bold = Typeface.createFromAsset(assetsManager, "fonts/roboto/Roboto-Bold.ttf");
condensed = Typeface.createFromAsset(assetsManager, "fonts/roboto/Roboto-Condensed.ttf");
light = Typeface.createFromAsset(assetsManager, "fonts/roboto/Roboto-Light.ttf");
}
if (topView instanceof ViewGroup) {
setCustomFont((ViewGroup) topView);
} else if (topView instanceof TextView) {
setCustomFont((TextView) topView);
}
}
private static void setCustomFont(ViewGroup v) {
final int len = v.getChildCount();
processsViewGroup(v, len);
}
}
Typeface helveticaBold;
Typeface helveticaRegular;
在onCreate()方法中编写以下代码:
helveticaBold = Typeface.createFromAsset(getAssets(), "helvetica_bold.ttf");
helveticaRegular = Typeface.createFromAsset(getAssets(), "helvetica_regular.ttf");
editText.setTypeface(helveticaRegular);
这就是全部内容...
我认为你的问题的答案是使用自定义TextView并添加额外的XML参数，然后将其包含到你的主题中。
你可以在TextView(Context context, AttributeSet attrs)构造函数中解析这个值来进行初始化。请查看this链接，了解如何为你的视图定义自定义属性并对其进行初始化的示例。
** 注意：字体可以在计算机/本地磁盘（C：）/Windows/Fonts中找到 **
复制你想要在上面使用的字体，并将其粘贴到Eclipse中资产文件夹中新创建的文件夹中的Fonts文件夹中。
private void initTypeFace()
{
TypeFace tf = TypeFace.createFromAsset(getAsset(),
"Chantelli Antiqua.ttf");
TextView txt = (TextView) findViewById(R.id.custom_font);
txt.setTypeface(tf);
example_button1.setTypeface(tf);
example_button2.setTypeface(tf);
}