Apply Custom Type Face in Texview in Whole Applicaiton android

package com.example;
import android.content.Context;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.widget.TextView;

public class MyTextViewTitle extends TextView {
   
    Typeface mTypeface;

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

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

    }

    public MyTextViewTitle(Context context) {
        super(context);
        init();

    }

    private void init() {
        if (!isInEditMode()) {

            mTypeface = Typeface.createFromAsset(getContext().getAssets(), "fonts/Rupee_Foradian.ttf");           
            setTypeface(mTypeface,Typeface.BOLD);
        }
    }

}
And In XML File
<com.example.MyTextViewTitle
            android:id="@+id/titel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="My text"
            android:textSize="22sp"
             />