Clase utilitaria para setear fuente a las vistas

UtilFont.java

import android.app.Activity;
import android.content.Context;
import android.graphics.Typeface;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.TextView;


/**
 * by Javier Solis @JavierTwiteando
 * Github http://bit.ly/onGithub
 */

public class UtilFont {

    public static String ARIAL = "arial.ttf";
    public static String SANTOR = "santor.otf";
    public static String HELVETICA_BOLD = "helvetica_bold.ttf";
    public static String ESPHIMERE = "esphimere.otf";
    public static String ESPHIMERE_BOLD = "esphimere_bold.otf";

    public Context context;

    public UtilFont(Context context) {
        this.context = context;
    }

    public static void setFontArial(Activity activity, int id) {
        TextView textView = (TextView) activity.findViewById(id);
        Typeface typeFace = Typeface.createFromAsset(activity.getAssets(), "arial.ttf");
        textView.setTypeface(typeFace);
    }

    public static void setFontSantor(Activity activity, int id) {
        TextView textView = (TextView) activity.findViewById(id);
        Typeface typeFace = Typeface.createFromAsset(activity.getAssets(), "santor.otf");
        textView.setTypeface(typeFace);
    }

    public static void setFontSantorEt(Activity activity, int id) {
        EditText textView = (EditText) activity.findViewById(id);
        Typeface typeFace = Typeface.createFromAsset(activity.getAssets(), "santor.otf");
        textView.setTypeface(typeFace);
    }

    public static void setFont(Activity activity, int id, String fontName) throws Exception {
        View view = activity.findViewById(id);
        Typeface typeFace = Typeface.createFromAsset(activity.getAssets(), fontName);

        if (view instanceof TextView) {
            // Set the font if it is a TextView.
            ((TextView) view).setTypeface(typeFace);
            return;
        } else if (view instanceof EditText) {
            // Set the font if it is a TextView.
            ((EditText) view).setTypeface(typeFace);
            return;
        } else {
            throw new Exception("no tiene donde setear");
        }
    }


    public static void setFontFrag(View v, Activity activity, int id, String fontName) throws Exception {
        View view = v.findViewById(id);
        Typeface typeFace = Typeface.createFromAsset(activity.getAssets(), fontName);

        if (view instanceof TextView) {
            // Set the font if it is a TextView.
            ((TextView) view).setTypeface(typeFace);
            return;
        } else if (view instanceof EditText) {
            // Set the font if it is a TextView.
            ((EditText) view).setTypeface(typeFace);
            return;
        } else {
            throw new Exception("no tiene donde setear");
        }
    }




    public static void setFontGroup(Activity activity, int idChilGroup, String fontName) {
        final ViewGroup mContainer = (ViewGroup) activity.findViewById(idChilGroup).getRootView();
        final Typeface mFont = Typeface.createFromAsset(activity.getAssets(), fontName);
        setAppFont(mContainer, mFont);
    }

    public static void setFontGroupByRoot(Activity activity, int idGroup, String fontName) {
        final ViewGroup mContainer = (ViewGroup) activity.findViewById(idGroup).getRootView();
        final Typeface mFont = Typeface.createFromAsset(activity.getAssets(), fontName);
        setAppFont(mContainer, mFont);
    }
    public static void setFontAllFrag(View v,Activity activity, String fontName) {
        final ViewGroup mContainer = (ViewGroup) v.getRootView();
        final Typeface mFont = Typeface.createFromAsset(activity.getAssets(), fontName);
        setAppFont(mContainer, mFont);
    }
    public static void setFontGroupByRootFragment(View v,Activity activity, int idGroup, String fontName) {
        final ViewGroup mContainer = (ViewGroup) v.findViewById(idGroup);
        final Typeface mFont = Typeface.createFromAsset(activity.getAssets(), fontName);
        setAppFont(mContainer, mFont);
    }


    public static void setFontAllActivity(Activity activity, String fontName){
        final ViewGroup mContainer = (ViewGroup) activity.findViewById(android.R.id.content).getRootView();
        final Typeface mFont = Typeface.createFromAsset(activity.getAssets(), fontName);
        setAppFont(mContainer, mFont);
    }

    public static final void setAppFont(ViewGroup mContainer, Typeface mFont) {
        if (mContainer == null || mFont == null)
            return;

        final int mCount = mContainer.getChildCount();

        // Loop through all of the children.
        for (int i = 0; i < mCount; ++i) {
            final View mChild = mContainer.getChildAt(i);
            if (mChild instanceof TextView) {
                // Set the font if it is a TextView.
                ((TextView) mChild).setTypeface(mFont);

            }
            if (mChild instanceof EditText) {
                // Set the font if it is a TextView.
                ((EditText) mChild).setTypeface(mFont);

            } else if (mChild instanceof ViewGroup) {
                // Recursively attempt another ViewGroup.
                setAppFont((ViewGroup) mChild, mFont);
            }

        }
    }





    //para el font
    public static void configFooterFontFragment(View view, Activity activity) throws Exception {
        setFontFrag(view,activity, R.id.footer_title,SANTOR);
        //setFontFrag(view,activity, R.idLocal.footer_subtitle_1,HELVETICA_BOLD);
        //setFontFrag(view,activity, R.idLocal.footer_subtitle_2,HELVETICA_BOLD);
    }

    public static void setFont(View mView, Context context,String fontName) {
        Typeface typeFace = Typeface.createFromAsset(context.getAssets(), fontName);

        if (mView instanceof TextView) {
            // Set the font if it is a TextView.
            ((TextView) mView).setTypeface(typeFace);
            return;
        } else if (mView instanceof EditText) {
            // Set the font if it is a TextView.
            ((EditText) mView).setTypeface(typeFace);
            return;
        }
    }


}