Custom TextView in android

MyTextView.class

public class MyTextView extends TextView {

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

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

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

    private void init() {
        Typeface tf = Typeface.createFromAsset(getContext().getAssets(),"roboto.TTF");
        setTypeface(tf);
        setTextColor(getResources().getColor(R.color.text_color));
    }

}