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

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.

Step 1: Create a new Project or open new project

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

Step 3: Code

acitivity_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"
    android:orientation="vertical"
    android:gravity="center"
    android:padding="10dp"
    tools:context=".MainActivity">

    <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.kt

package com.blogspot.atifsoftwares.myapplication

import android.content.Intent
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.EditText

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val nameEt = findViewById<EditText>(R.id.nameEt)
        val emailEt = findViewById<EditText>(R.id.emailEt)
        val phoneEt = findViewById<EditText>(R.id.phoneEt)
        val saveBtn = findViewById<Button>(R.id.saveBtn)

        //handle button click
        saveBtn.setOnClickListener {
            //get text from edittexts
            val name = nameEt.text.toString()
            val email = emailEt.text.toString()
            val phone = phoneEt.text.toString()

            //intent to start activity
            val intent = Intent(this@MainActivity, SecondActivity::class.java)
            intent.putExtra("Name", name)
            intent.putExtra("Email", email)
            intent.putExtra("Phone", phone)
            startActivity(intent)

        }

    }
}

activity_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:textColor="#000"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

SecondActivity.kt

package com.blogspot.atifsoftwares.myapplication

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

class SecondActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_second)

        //get data from intent
        val intent = intent
        val name = intent.getStringExtra("Name")
        val email = intent.getStringExtra("Email")
        val phone = intent.getStringExtra("Phone")

        //textview
        val resultTv = findViewById<TextView>(R.id.resultTv)
        //setText
        resultTv.text = "Name: "+name+"\nEmail: "+email+"\nPhone: "+phone

    }
}

Step 4: Run Project

Output