<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/tv1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20dp"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="50dp"
         android:text="aa"/>

    <TextView
        android:id="@+id/tv3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/tv2"
        android:layout_below="@+id/tv2"
        android:layout_marginTop="40dp"
        android:text="cc"
        android:textSize="20dp" />

    <TextView
        android:id="@+id/tv2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/tv1"
        android:layout_below="@+id/tv1"
        android:layout_marginTop="48dp"
        android:text="bb"
        android:textSize="20dp" />

    <TextView
        android:id="@+id/tv4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignRight="@+id/tv3"
        android:layout_below="@+id/tv3"
        android:layout_marginTop="38dp"
        android:text="dd"
        android:textSize="20dp" />

</RelativeLayout>





public class MainActivity extends Activity {

	TextView textViewDay, textViewMonth, textViewYear, textViewTime;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		textViewDay = (TextView) findViewById(R.id.tv1);
		textViewMonth = (TextView) findViewById(R.id.tv2);
		textViewYear = (TextView) findViewById(R.id.tv3);
		textViewTime = (TextView) findViewById(R.id.tv4);
		Time today = new Time(Time.getCurrentTimezone());
		today.setToNow();
		textViewDay.setText("Date " + today.monthDay + "");
		textViewMonth.setText("Month " + today.month + ""); // Month (0-11)
		textViewYear.setText("Year " + today.year + ""); // Year
		textViewTime.setText("Time  " + today.format("%k:%M:%S"));
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}