How to Send Data to Another Activity in Android

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"
    android:background="#fb9"
    android:orientation="vertical"
    android:padding="15dp"
    tools:context="com.example.malik.blog.MainActivity">

    <EditText
        android:id="@+id/editText_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter name" />

    <EditText
        android:id="@+id/editText_email"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter email" />

    <EditText
        android:id="@+id/editText_contact"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter contact" />

    <AutoCompleteTextView
        android:id="@+id/autocomplete_lang"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter language" />

    <Spinner
        android:id="@+id/spinner_city"
        android:layout_width="match_parent"
        android:layout_height="40dp"></Spinner>

    <Button
        android:id="@+id/button_send"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginBottom="20dp"
        android:layout_marginTop="20dp"
        android:text="Send to Next Activity" />

</LinearLayout>

MainActivity.java

package com.example.malik.blog;

import android.content.Intent;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.AutoCompleteTextView;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Spinner;

public class MainActivity extends AppCompatActivity {

    EditText name, email, contact;

    AutoCompleteTextView language;

    Spinner citySpinner;

    Button sendButton;

    ArrayAdapter<String> langAdapter;

    ArrayAdapter<String> cityAdapter;

    String[] lang = {"HTML", "CSS", "PHP", "Android"};

    String[] city = {"Pune", "Ahmedabad", "Banglore", "Hydrabad"};

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        name = (EditText) findViewById(R.id.editText_name);

        email = (EditText) findViewById(R.id.editText_email);

        contact = (EditText) findViewById(R.id.editText_contact);

        language = (AutoCompleteTextView) findViewById(R.id.autocomplete_lang);

        citySpinner = (Spinner) findViewById(R.id.spinner_city);

        sendButton = (Button) findViewById(R.id.button_send);

        langAdapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1, lang);

        language.setAdapter(langAdapter);

        cityAdapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1, city);

        citySpinner.setAdapter(cityAdapter);

        sendButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                String NAME = name.getText().toString();

                String EMAIL = email.getText().toString();

                String CONTACT = contact.getText().toString();

                String LANG = language.getText().toString();

                String CITY = citySpinner.getSelectedItem().toString();

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

                intent.putExtra("name_key", NAME);

                intent.putExtra("email_key", EMAIL);

                intent.putExtra("contact_key", CONTACT);

                intent.putExtra("lang_key", LANG);

                intent.putExtra("city_key", CITY);

                startActivity(intent);

            }

        });

    }

}

activity_receive.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"

    tools:context="com.example.malik.blog.ReceiveActivity">

    <TextView

        android:id="@+id/textView_name"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:layout_marginBottom="15dp"

        android:layout_marginTop="15dp"

        android:text="Name here"

        android:textSize="24sp" />

    <TextView

        android:id="@+id/textView_email"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:layout_marginBottom="15dp"

        android:layout_marginTop="15dp"

        android:text="Email here"

        android:textSize="24sp" />

    <TextView

        android:id="@+id/textView_contact"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:layout_marginBottom="15dp"

        android:layout_marginTop="15dp"

        android:text="Contact here"

        android:textSize="24sp" />

    <TextView

        android:id="@+id/textView_lang"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:layout_marginBottom="15dp"

        android:layout_marginTop="15dp"

        android:text="Language here"

        android:textSize="24sp" />

    <TextView

        android:id="@+id/textView_city"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:layout_marginBottom="15dp"

        android:layout_marginTop="15dp"

        android:text="City here"

        android:textSize="24sp" />

</LinearLayout>

ReceiveActivity.java

package com.example.malik.blog;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.widget.TextView;

public class ReceiveActivity extends AppCompatActivity {

    private TextView name, email, contact, lang, city;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_receive);

        name = (TextView) findViewById(R.id.textView_name);

        email = (TextView) findViewById(R.id.textView_email);

        contact = (TextView) findViewById(R.id.textView_contact);

        lang = (TextView) findViewById(R.id.textView_lang);

        city = (TextView) findViewById(R.id.textView_city);

        Intent intent = getIntent();

        String NAME = intent.getStringExtra("name_key");

        String EMAIL = intent.getStringExtra("email_key");

        String CONTACT = intent.getStringExtra("contact_key");

        String LANG = intent.getStringExtra("lang_key");

        String CITY = intent.getStringExtra("city_key");

        name.setText(NAME);

        email.setText(EMAIL);

        contact.setText(CONTACT);

        lang.setText(LANG);

        city.setText(CITY);

    }

}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.malik.blog">

  

    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <activity android:name=".MainActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

        <activity android:name=".ReceiveActivity"></activity>

    </application>

</manifest>

build.gradle

apply plugin: 'com.android.application'

android {

    compileSdkVersion 25

    buildToolsVersion "25.0.2"

    defaultConfig {

        applicationId "com.example.malik.blog"

        minSdkVersion 18

        targetSdkVersion 25

        versionCode 1

        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }

    buildTypes {

        release {

            minifyEnabled false

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }

}

dependencies {

    compile fileTree(include: ['*.jar'], dir: 'libs')

    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {

        exclude group: 'com.android.support', module: 'support-annotations'

    })

    compile 'com.android.support:appcompat-v7:25.3.1'

    compile 'com.android.support.constraint:constraint-layout:1.0.2'

    testCompile 'junit:junit:4.12'

}