package com.example.spk.muni_darshan;

import android.app.Activity;
import android.graphics.Typeface;

import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;


public class MainActivity extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

TextView tv = (TextView) findViewById(R.id.titleText);
Typeface font = Typeface.createFromAsset(getAssets(),
        "font/DevLys 180.ttf");
tv.setTypeface(font);

}

<?xml version="1.0" encoding="utf-8"?>

<resources>
           <string name="app_name">Muni_Darshan</string>
           <string name="font">font</string>
           <string name="title">ddddd</string>
</resources>

<TextView
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="@string/title"
          android:id="@+id/titleText"
          android:textSize="@dimen/abc_action_bar_default_height_material"
          android:fontFamily="@string/font" />

android:fontFamily="@string/font"