sa MainAcvtivity ito

import android.app.DatePickerDialog;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import java.util.Calendar;

public class MainActivity extends AppCompatActivity {


    String firstName,middleName, lastName, fullName, gender, birthday;
    int year, month, dayOfMonth;
    RadioGroup radioGenderGroup;
    RadioButton radioGenderButton;
    Button datePick;
    DatePickerDialog datePickerDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button submitButton = (Button)findViewById(R.id.submit);
        radioGenderGroup = (RadioGroup)findViewById(R.id.radioGenderGroup);

        datePick = findViewById(R.id.datePicker);

        datePick.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                Calendar calendar = Calendar.getInstance();
                int year = calendar.get(Calendar.YEAR);
                int month = calendar.get(Calendar.MONTH);
                int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);

                datePickerDialog = new DatePickerDialog(MainActivity.this,
                        new DatePickerDialog.OnDateSetListener() {
                            @Override
                            public void onDateSet(DatePicker datePicker, int year, int month, int day) {
                                birthday = day + "/" + (month + 1) + "/" + year;
                                Toast.makeText(MainActivity.this, birthday, Toast.LENGTH_SHORT).show();
                            }
                        }, year, month, dayOfMonth);
                datePickerDialog.show();
            }
        });


        //When the submit button is clicked
        submitButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                //Kinuha yung data from editText
                EditText first = (EditText)findViewById(R.id.firstName);
                EditText middle = (EditText)findViewById(R.id.middleName);
                EditText last = (EditText)findViewById(R.id.lastName);

                //converted the data into strings
                firstName = first.getText().toString();
                middleName = middle.getText().toString();
                lastName = last.getText().toString();

                //dito pinagsamasama to get the full name
                fullName = firstName + " " + middleName + " " + lastName;

                int selectedId = radioGenderGroup.getCheckedRadioButtonId();

                radioGenderButton = (RadioButton) findViewById(selectedId);

                gender = (String)radioGenderButton.getText();


                Intent intent = new Intent(MainActivity.this, studentInfo.class);

                //passing the data from this to another activity by intent
                intent.putExtra("FullName", fullName);
                intent.putExtra("Gender", gender);
                intent.putExtra("Birthday", birthday);

                startActivity(intent);

            }
        });


    }
}

yung xml file
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/firstName"
        android:layout_width="363dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="24dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="678dp"
        android:ems="10"
        android:hint="First Name"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0" />

    <EditText
        android:id="@+id/middleName"
        android:layout_width="364dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="28dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="26dp"
        android:ems="10"
        android:hint="Middle Name"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toTopOf="@+id/lastName"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.483"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/firstName" />

    <EditText
        android:id="@+id/lastName"
        android:layout_width="360dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="26dp"
        android:layout_marginEnd="8dp"
        android:ems="10"
        android:hint="Last Name"
        android:inputType="textPersonName"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/middleName" />

    <TextView
        android:id="@+id/Gender"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="120dp"
        android:layout_marginEnd="8dp"
        android:text="Gender"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.053"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/lastName" />

    <RadioGroup
        android:id="@+id/radioGenderGroup"
        android:layout_width="wrap_content"
        android:layout_height="64dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="26dp"
        android:layout_marginEnd="8dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.05"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/Gender">

        <RadioButton
            android:id="@+id/radioMale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/radio_male" />

        <RadioButton
            android:id="@+id/radioFemale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/radio_female" />

    </RadioGroup>

    <Button
        android:id="@+id/submit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginBottom="48dp"
        android:text="Submit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent" />

    <TextView
        android:id="@+id/birthday"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:layout_marginTop="72dp"
        android:layout_marginEnd="8dp"
        android:text="Birthday"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.795"
        app:layout_constraintStart_toEndOf="@+id/Gender"
        app:layout_constraintTop_toBottomOf="@+id/lastName" />

    <Button
        android:id="@+id/datePicker"
        android:layout_width="wrap_content"
        android:layout_height="43dp"
        android:layout_marginStart="243dp"
        android:layout_marginTop="20dp"
        android:layout_marginEnd="32dp"
        android:onClick="datePicker"
        android:text="Select Date"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@+id/radioGenderGroup"
        app:layout_constraintTop_toBottomOf="@+id/birthday" />


</android.support.constraint.ConstraintLayout>





Sa activity na pagsesendan

package com.example.login;

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

import org.w3c.dom.Text;

public class studentInfo extends AppCompatActivity {

    TextView fullNameContainer, genderContainer, birthdayContainer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_student_info);

        fullNameContainer = (TextView)findViewById(R.id.fullName);
        genderContainer = (TextView)findViewById(R.id.gender);
        birthdayContainer = (TextView)findViewById(R.id.birthday);

        fullNameContainer.setText("Full Name: " + getIntent().getStringExtra("FullName"));
        genderContainer.setText("Gender: " + getIntent().getStringExtra("Gender"));
        birthdayContainer.setText("Date Of Birth: " + getIntent().getStringExtra("Birthday"));


    }
}

yung xml file
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".studentInfo">

    <TextView
        android:id="@+id/fullName"
        android:layout_width="wrap_content"
        android:layout_height="28dp"
        android:layout_marginStart="94dp"
        android:layout_marginTop="140dp"
        android:layout_marginEnd="224dp"
        android:text="Full Name: "
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/gender"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="94dp"
        android:layout_marginTop="40dp"
        android:layout_marginEnd="252dp"
        android:layout_marginBottom="523dp"
        android:text="Gender: "
        android:textSize="18sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/fullName"
        app:layout_constraintVertical_bias="0.0" />

    <TextView
        android:id="@+id/birthday"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="94dp"
        android:layout_marginTop="44dp"
        android:layout_marginEnd="248dp"
        android:text="Birthday:"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/gender" />

</android.support.constraint.ConstraintLayout>