Passing Data Between Activities Using Bundle

main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.blogspot.csdevbin.passingdatabetweenactivities.Main">

    <EditText

Data passing using Bundle

        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText"
        android:layout_alignParentTop="true"
        android:layout_marginTop="68dp"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="send"
        android:id="@+id/button"
        android:layout_below="@+id/editText"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="46dp" />
</RelativeLayout>

next.xml

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

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

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.blogspot.csdevbin.passingdatabetweenactivities.Next">

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textAppearance="?android:attr/textAppearanceLarge"

        android:text="data from main"

        android:id="@+id/textView"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="112dp" />

</RelativeLayout>

Data passing using Bundle

Main.java

package com.blogspot.csdevbin.passingdatabetweenactivities;

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.EditText;

public class Main extends AppCompatActivity {

   
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final EditText editText=(EditText)findViewById(R.id.editText);
        Button button =(Button)findViewById(R.id.button);

        button.setOnClickListener(new View.OnClickListener() {
          
            public void onClick(View v) {
                String name =editText.getText().toString();
                Bundle b= new Bundle();
                b.putString("name",name);

                Intent in = new Intent(Main.this,Next.class);
                in.putExtras(b);
                startActivity(in);
            }
        });
    }
}

Next.java

package com.blogspot.csdevbin.passingdatabetweenactivities;

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

public class Next extends AppCompatActivity {

    
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.next);

        TextView textView =(TextView)findViewById(R.id.textView);

        Intent in= getIntent();
        Bundle b=in.getExtras();
        String name =b.getString("name");
        textView.setText("Data passed is : "+name);
    }
}