Java tutorial
//package com.java2s; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; public class Main { public static void replaceFragmentToActivity(FragmentManager manager, Fragment fragment, int framId) { FragmentTransaction transaction = manager.beginTransaction(); transaction.replace(framId, fragment); transaction.commit(); } }