Portrait or Landscape state store

package example.com.serverapp;
import android.content.res.Configuration;
import android.os.PersistableBundle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Display;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import android.widget.Toast;
public class Register extends AppCompatActivity {
String name;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
EditText t1=findViewById(R.id.textdata);
name=t1.getText().toString();
outState.putString("text",name);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
EditText t1=findViewById(R.id.textdata);
name=savedInstanceState.getString("text");
t1.setText(name);
}
}

< ?xml version="1.0" encoding="utf-8"?>
< ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
< LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

< EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="20dp"
android:id="@+id/textdata"
android:hint="Name Here"/>
< /LinearLayout>



< /ScrollView>