AndroidUtils之FontUtils字体工具类

源代码：

public class FontUtils {
    public static Typeface sTypeface = null;

    /**
     * 从filePath加载字体
     *
     * @param context
     * @param fileName
     * @return Typeface
     */
    public static Typeface loadFont(Context context, String fileName) {
        sTypeface = Typeface.createFromAsset(context.getAssets(), fileName);
        return sTypeface;
    }

    /**
     * 在所有在ViewGroup textview设置字体。递归搜索所有内部ViewGroups。
     */
    public static void setFont(ViewGroup group) {
        int count = group.getChildCount();
        View v;
        for (int i = 0; i < count; i++) {
            v = group.getChildAt(i);
            if (v instanceof TextView || v instanceof EditText || v instanceof Button) {
                ((TextView) v).setTypeface(sTypeface);
            } else if (v instanceof ViewGroup)
                setFont((ViewGroup) v);
        }
    }

    /**
     * 设置TextView字体
     */
    public static void setFont(View v) {
        if (v instanceof TextView || v instanceof EditText || v instanceof Button) {
            ((TextView) v).setTypeface(sTypeface);
        }
    }

    /**
     * 从res/raw资源目录中加载字体
     *
     * @param context    Context
     * @param resourceId resourceId
     * @return Typeface or null
     */
    public static Typeface getTypefaceFromRaw(Context context, int resourceId) {
        InputStream inputStream = null;
        BufferedOutputStream bos = null;
        OutputStream os = null;
        Typeface typeface = null;
        try {
            // 加载字体(res/raw里面的)到内存
            inputStream = context.getResources().openRawResource(resourceId);

            // 输出字体到临时文件
            String fontFilePath = context.getCacheDir() + "/tmp" + System.currentTimeMillis() + ".raw";

            os = new FileOutputStream(fontFilePath);
            bos = new BufferedOutputStream(os);

            byte[] buffer = new byte[inputStream.available()];
            int length = 0;
            while ((length = inputStream.read(buffer)) > 0) {
                bos.write(buffer, 0, length);
            }

            //当加载完成后,删除临时文件
            typeface = Typeface.createFromFile(fontFilePath);
            new File(fontFilePath).delete();
        } catch (Resources.NotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            tryClose(bos);
            tryClose(os);
            tryClose(inputStream);
        }

        return typeface;
    }

    /**
     * 释放可关闭的对象
     *
     * @param obj 可关闭的对象
     */
    private static void tryClose(Closeable obj) {
        if (obj != null) {
            try {
                obj.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

}

如果还有补充或者修改的话，请大家留言。