Custom font in a predefined textview

CustomFontTextView.java

public class CustomFontTextView extends TextView
{

    public CustomFontTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    public CustomFontTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public CustomFontTextView(Context context) {
        super(context);
        init();
    }

    private void init() {
        if (!isInEditMode()) {
            Typeface tf = Typeface.createFromAsset(getContext().getAssets(), "Sans-Bold.ttf");
            setTypeface(tf);
        }
    }

}