CustomTextView.java

package com.tutosandroidfrance.customfont;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.TextView;

/**
 * Created by florentchampigny on 30/06/15.
 */
public class CustomTextView extends TextView {

    public CustomTextView(Context context, AttributeSet attrs) {
        super(context, attrs);

        //Typeface.createFromAsset doesn't work in the layout editor. Skipping...
        if (isInEditMode()) {
            return;
        }

        TypedArray styledAttrs = context.obtainStyledAttributes(attrs, R.styleable.CustomTextView);
        String fontName = styledAttrs.getString(R.styleable.CustomTextView_font);
        styledAttrs.recycle();

        setTypeFace(fontName);
    }

    public void setTypeFace(String fontName) {
        if(fontName != null){
            try {
                Typeface typeface = Typeface.createFromAsset(getContext().getAssets(), "fonts/" + fontName);
                setTypeface(typeface);
            } catch (Exception e) {
                Log.e("FONT", fontName + " not found", e);
            }
        }
    }

}