Pass Data between Activities using intent (Java) - Android Studio Tutorial

Description

In this tutorial i'll show you how to pass data between different activities using intent.
For Example in this tutorial
Activity 1: Input data using EditText and click Save Button to start second activity with the data that was input.
Activity 2: Show the input data of previous activity using Intent.

Video

Source Code

Step 1: Create a new project OR Open your project

Step 2: Create New Activity File>New>Activity>EmptyActivity

Step 3: Code

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    android:padding="10dp"
    android:gravity="center">

    <EditText
        android:id="@+id/nameEt"
        android:hint="Enter Name"
        android:inputType="text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <EditText
        android:id="@+id/emailEt"
        android:hint="Enter Email"
        android:inputType="textEmailAddress"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <EditText
        android:id="@+id/phoneEt"
        android:hint="Enter Phone"
        android:inputType="phone"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <Button
        android:id="@+id/saveBtn"
        android:text="Save"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

MainActivity.java

package com.blogspot.devofandroid.myapplication;

import android.content.Intent;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

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

        //actionbar title
        ActionBar actionBar = getSupportActionBar();
        actionBar.setTitle("First Activity");

        //EditText
        final EditText mNameEt = findViewById(R.id.nameEt);
        final EditText mEmailEt = findViewById(R.id.emailEt);
        final EditText mPhoneEt = findViewById(R.id.phoneEt);
        //Button
        Button mSaveBtn = findViewById(R.id.saveBtn);

        //button click listener
        mSaveBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //get data from edit text
                String name = mNameEt.getText().toString();
                String email = mEmailEt.getText().toString();
                String phone = mPhoneEt.getText().toString();

                //activity intent
                Intent intent = new Intent(MainActivity.this, SecondActivity.class);
                intent.putExtra("NAME", name);
                intent.putExtra("EMAIL", email);
                intent.putExtra("PHONE", phone);
                startActivity(intent);

            }
        });
    }
}

acitivty_second.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    android:gravity="center"
    android:padding="10dp"
    tools:context=".SecondActivity">
    
    <TextView
        android:id="@+id/resultTv"
        android:textSize="30sp"
        android:textStyle="bold"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

SecondActivity.java

package com.blogspot.devofandroid.myapplication;

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

public class SecondActivity extends AppCompatActivity {

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

        //actionbar title
        ActionBar actionBar = getSupportActionBar();
        actionBar.setTitle("Second Activity");

        //intent to get data
        Intent intent = getIntent();
        String name = intent.getStringExtra("NAME");
        String email = intent.getStringExtra("EMAIL");
        String phone = intent.getStringExtra("PHONE");

        //TextView
        TextView mResultTv = findViewById(R.id.resultTv);

        //setText
        mResultTv.setText("Name: "+name+"\nEmail: "+email+ "\nPhone: "+phone);

    }
}

Step 4: Run Project

Output