Get system date/time and display in formatted form

MainActivity.java

package com.blogspot.android_er.androiddatetime;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.TextView;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class MainActivity extends AppCompatActivity {

    TextView tvNow, tvNowFormatted1, tvNowFormatted2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tvNow = (TextView)findViewById(R.id.now);
        tvNowFormatted1 = (TextView)findViewById(R.id.nowformatted1);
        tvNowFormatted2 = (TextView)findViewById(R.id.nowformatted2);

        Date now = new Date();
        tvNow.setText(now.toString());

        String nowFormatted1 = DateFormat.getDateTimeInstance().format(now);
        tvNowFormatted1.setText(nowFormatted1);

        String nowFormatted2 = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss").format(now);
        tvNowFormatted2.setText(nowFormatted2);
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://ift.tt/nIICcg"
    xmlns:tools="http://ift.tt/LrGmb4"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="20dp"
    android:orientation="vertical"
    tools:context="com.blogspot.android_er.androiddatetime.MainActivity">

    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://ift.tt/1h2gLTb"
        android:textStyle="bold"/>

    <TextView
        android:id="@+id/now"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="28dp"/>

    <TextView
        android:id="@+id/nowformatted1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textColor="#FF0000"
        android:textStyle="bold"
        android:textSize="28dp"/>
    <TextView
        android:id="@+id/nowformatted2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textColor="#0000FF"
        android:textStyle="italic"
        android:textSize="28dp"/>
</LinearLayout>

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