To Develop App demonstrating transfer of Data between multiple Activities

To Develop App demonstrating transfer of Data between multiple Activities > Android App Development

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Programs:

activity_main1.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.example.prathameshpandit.practiceapplication1.MainActivity1">

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/textView" />

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="textPersonName"

android:text=""

android:ems="10"

android:id="@+id/editText"

android:layout_above="@+id/editText2"

android:layout_alignStart="@+id/editText3"

android:layout_marginBottom="70dp" />

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/editText2"

android:layout_centerVertical="true"

android:layout_centerHorizontal="true" />

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editText3"

android:layout_above="@+id/NEXT"

android:layout_centerHorizontal="true"

android:layout_marginBottom="68dp" />

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="NEXT"

android:id="@+id/NEXT"

android:layout_alignParentBottom="true"

android:layout_alignParentEnd="true"

android:onClick="ClickMe"/>

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Enter Name, Branch and Roll Number"

android:id="@+id/textView3"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true"

android:editable="false" />

</RelativeLayout>

MainActivity1.java

package com.example.prathameshpandit.practiceapplication1;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.EditText;

public class MainActivity1 extends AppCompatActivity {

EditText name,branch,no;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main1);

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

branch=(EditText)findViewById(R.id.editText2);

no=(EditText)findViewById(R.id.editText3);

}

public void ClickMe(View v){

String str=" Student "+name.getText().toString()+" Studying in Branch "+branch.getText().toString()+" having Roll Number "+no.getText().toString();

Intent i=new Intent(MainActivity1.this,MainActivity2.class);

i.putExtra("Detail", str);

startActivity((i));

}

activity_main2.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.example.prathameshpandit.practiceapplication1.MainActivity2">

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editText4"

android:layout_above="@+id/editText5"

android:layout_marginBottom="57dp"

android:layout_alignEnd="@+id/editText5"

android:layout_alignStart="@+id/editText5" />

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editText5"

android:layout_centerVertical="true"

android:layout_centerHorizontal="true" />

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="number"

android:ems="10"

android:id="@+id/editText6"

android:layout_marginBottom="99dp"

android:layout_above="@+id/BACK"

android:layout_centerHorizontal="true" />

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="BACK"

android:id="@+id/BACK"

android:layout_alignParentBottom="true"

android:layout_alignParentStart="true"

android:onClick="ClickMeB"/>

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="NEXT"

android:id="@+id/NEXT"

android:layout_alignParentBottom="true"

android:layout_alignParentEnd="true"

android:onClick="ClickMeN"/>

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Enter Marks for Physics, Chemistry and Math"

android:id="@+id/textView4"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true" />

</RelativeLayout>

MainActivity2.Java

package com.example.prathameshpandit.practiceapplication1;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.EditText;

public class MainActivity2 extends AppCompatActivity {

EditText phy,chem,math;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main2);

phy=(EditText)findViewById(R.id.editText4);

chem=(EditText)findViewById(R.id.editText5);

math=(EditText)findViewById(R.id.editText6);

}

public void ClickMeB(View v){

Intent i=new Intent(MainActivity2.this,MainActivity1.class);

startActivity(i);

}

public void ClickMeN(View v){

int p,c,m,tot;

Intent i1=getIntent();

String x=i1.getStringExtra("Detail");

p=Integer.parseInt(phy.getText().toString());

c=Integer.parseInt(chem.getText().toString());

m=Integer.parseInt(math.getText().toString());

tot=p+c+m;

Intent i=new Intent(MainActivity2.this,MainActivity3.class);

String y=x+" had Scored a Total of "+tot+" in PCM !!";

i.putExtra("Summary", y);

startActivity(i);

}

activity_main3.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.example.prathameshpandit.practiceapplication1.MainActivity3">

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/textView2"

android:layout_marginTop="49dp"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true" />

<Button

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="BACK"

android:id="@+id/BACK"

android:layout_alignParentBottom="true"

android:layout_alignParentStart="true"

android:onClick="ClickMeB"/>

</RelativeLayout>

MainActivity3.java

package com.example.prathameshpandit.practiceapplication1;

import android.content.Intent;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.TextView;

public class MainActivity3 extends AppCompatActivity {

TextView tv; String c;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main3);

tv=(TextView)findViewById(R.id.textView2);

Intent i1;

i1=getIntent();

c=i1.getStringExtra("Summary");

tv.setText(c);

}

public void ClickMeB(View v)

{

Intent i=new Intent(MainActivity3.this,MainActivity2.class);

startActivity(i);

}

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