Bundle in Android (passing data between activity's using bundle class)

ScreenShots:

In MainActivity enter details and send them to Second Activity

 In Second Activity display values that are received from MainActivity

activity_main.xml:

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

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

    android:id="@+id/LinearLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context=".MainActivity" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Enter name"

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

    <EditText

        android:id="@+id/namedit"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:ems="10"

        android:inputType="textPersonName" >

        <requestFocus />

    </EditText>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Enter phone number"

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

    <EditText

        android:id="@+id/phedit"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:ems="10"

        android:inputType="number" />

    <Button

        android:id="@+id/sendbutton1"

        android:layout_width="100dp"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="20dp"

        android:text="Send"

        android:textSize="20sp" />

</LinearLayout>

second.xml:

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

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1name"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

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

    <TextView

        android:id="@+id/textView2phnumber"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

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

</LinearLayout>

MainActivity.java:

package com.ram.bundledemo;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity {

EditText nameEdit,phnumberEdit;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

//Setup UI

nameEdit = (EditText)findViewById(R.id.namedit);

phnumberEdit = (EditText)findViewById(R.id.phedit);

Button sendBtn = (Button)findViewById(R.id.sendbutton1);

sendBtn.setOnClickListener(new OnClickListener() {

//Listner for button

@Override

public void onClick(View arg0) {

  //Getting data from EditText

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

String phnumber = phnumberEdit.getText().toString();

if(name.length()==0&&phnumber.length()==0){

Toast.makeText(getApplicationContext(), "plz enter all details", Toast.LENGTH_SHORT).show();

}else{

//Converting phnumber to long type

long phno = Long.parseLong(phnumber);

//Creating Bundle object

Bundle b = new Bundle();

//Storing data into bundle 

b.putString("myname", name);

b.putLong("phnum", phno);

//Creating Intent object

Intent in = new Intent(getApplicationContext(), Second.class);

//Storing bundle object into intent 

in.putExtras(b);

startActivity(in);

}

}

});

}

}

Second.java:

package com.ram.bundledemo;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.widget.TextView;

public class Second extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.second);

TextView nameText = (TextView)findViewById(R.id.textView1name);

TextView phText = (TextView)findViewById(R.id.textView2phnumber);

// getIntent():Return the intent that started this activity. 

Intent in = getIntent();

//Getting bundle

Bundle b = in.getExtras();

//Getting data from bundle

String name = b.getString("myname");

long phnumber = b.getLong("phnum");

//Converting long type to String 

String phno = Long.toString(phnumber);

//Binding values to TextViews

nameText.setText("name :"+name);

phText.setText("phnumber :"+phno);

}

}

AndroidManifest.xml:

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

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

    package="com.ram.bundledemo"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="16" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.ram.bundledemo.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

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

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

            </intent-filter>

        </activity>

        <activity android:name="Second"></activity>

    </application>

</manifest>