Static and Dynamic Views

DynamicFragmentSwappingActivity.java

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;

public class DynamicFragmentSwappingActivity extends Activity
{
    @Override
    public void onCreate( Bundle savedInstanceState )
    {
        super.onCreate( savedInstanceState );
        setContentView( R.layout.fragment_dynamic_holder);
        swapFragment( new YourFragmentHere(), false );
    }

    private void swapFragment( Fragment fragment, boolean shouldAddToBackStack )
    {
        // Get a reference to the fragment manager
        FragmentManager manager = getFragmentManager();
        FragmentTransaction transaction = manager.beginTransaction();

        // Start the transaction & specify the holder
        String tag = fragment.getClass().getSimpleName();
        transaction.replace( R.id.fragment_holder, fragment, tag );

        // If desired, add to the backstack
        if ( shouldAddToBackStack )
        {
            transaction.addToBackStack( tag );
        }

        // Make sure to commit!
        transaction.commit();
    }
}

fragment_dynamic_holder.xml

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

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/fragment_holder"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

fragment_statically_defined.xml

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

<fragment
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/static_fragment"
    android:name="com.example.myapp.YourFragmentHere"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

fragment_yours.xml

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

<TextView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/welcome_text"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Welcome!"/>

ReferenceStaticFragmentActivity.java

import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;

public class ReferenceStaticFragmentActivity extends Activity
{
    @Override
    public void onCreate (Bundle savedInstanceState)
    {
        super.onCreate( savedInstanceState );
        setContentView( R.layout.fragment_statically_defined );

        Fragment fragment = getFragmentManager().findFragmentById( R.id.static_fragment );
        // Do something with the fragment here
    }

    // ...
}

YourFragmentHere.java

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class YourFragmentHere extends Fragment
{
    @Override
    public View onCreateView (LayoutInflater inflater,
                              ViewGroup container,
                              Bundle savedInstanceState)
    {
        View layout = inflater.inflate( R.layout.fragment_yours,
                                        container,
                                        false );

        // Do something with the view here

        return layout;
    }
}

Really nice one demo
Thanks