In this tutorial how to transfer data from one page to another and how to move from one page to another using Intent in Android is shown.<\/p>\n
Intent is used for transferring the data from one page to another and also used to move from one page to another in Android.<\/p>\n
Intent is used to communicate between several pages in Android Application.<\/p>\n
Android Intent is the message that is passed between components such as activities, content provider, broadcast receiver, service etc.<\/p>\n
Intent is generally used with startActivity() method to invoke Intent.<\/p>\n
Android Intent are mainly used for<\/p>\n
Types of Intent:<\/p>\n
Code:<\/p>\n
activity_main.xml<\/p>\n
<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nxmlns:tools=”http:\/\/schemas.android.com\/tools”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent”
\nandroid:paddingBottom=”@dimen\/activity_vertical_margin”
\nandroid:paddingLeft=”@dimen\/activity_horizontal_margin”
\nandroid:paddingRight=”@dimen\/activity_horizontal_margin”
\nandroid:paddingTop=”@dimen\/activity_vertical_margin”
\ntools:context=”.MainActivity” ><\/p>\n
<EditText
\nandroid:id=”@+id\/nm”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentRight=”true”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_marginRight=”42dp”
\nandroid:layout_marginTop=”108dp”
\nandroid:ems=”10″
\nandroid:hint=”Enter your name” >
\n<requestFocus \/>
\n<\/EditText><\/p>\n
<Button
\nandroid:id=”@+id\/submit”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/nm”
\nandroid:layout_below=”@+id\/cno”
\nandroid:layout_marginTop=”78dp”
\nandroid:text=”Submit” \/><\/p>\n
<Button
\nandroid:id=”@+id\/reset”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignBottom=”@+id\/submit”
\nandroid:layout_alignRight=”@+id\/cno”
\nandroid:text=”Reset” \/><\/p>\n
<EditText
\nandroid:id=”@+id\/cno”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/nm”
\nandroid:layout_centerVertical=”true”
\nandroid:ems=”10″
\nandroid:hint=”Enter contact no” \/><\/p>\n
<\/RelativeLayout><\/p>\n
MainActivity.java<\/p>\n
package com.example.demo;<\/p>\n
import android.os.Bundle;
\nimport android.app.Activity;
\nimport android.content.Intent;
\nimport android.view.Menu;
\nimport android.view.View;
\nimport android.widget.Button;
\nimport android.widget.EditText;
\npublic class MainActivity extends Activity {<\/p>\n
EditText nm,cno;
\nButton submit,reset;
\nString n,c;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.activity_main);
\nnm=(EditText)findViewById(R.id.nm);
\ncno=(EditText)findViewById(R.id.cno);
\nsubmit=(Button)findViewById(R.id.submit);
\nreset=(Button)findViewById(R.id.reset);<\/p>\n
submit.setOnClickListener(new View.OnClickListener() {<\/p>\n
@Override
\npublic void onClick(View arg0) {
\n\/\/ TODO Auto-generated method stub
\nn=nm.getText().toString();
\nc=cno.getText().toString();<\/p>\n
Intent in=new Intent(MainActivity.this,Second.class);
\nin.putExtra(“NAME”, n);
\nin.putExtra(“CNO”,c);
\nstartActivity(in);
\n}
\n});<\/p>\n
reset.setOnClickListener(new View.OnClickListener() {<\/p>\n
@Override
\npublic void onClick(View arg0) {
\n\/\/ TODO Auto-generated method stub
\nnm.setText(” “);
\ncno.setText(” “);
\n}
\n});
\n}<\/p>\n
@Override
\npublic boolean onCreateOptionsMenu(Menu menu) {
\n\/\/ Inflate the menu; this adds items to the action bar if it is present.
\ngetMenuInflater().inflate(R.menu.main, menu);
\nreturn true;
\n}<\/p>\n
}<\/p>\n
second_layout.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<RelativeLayout xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\nandroid:layout_width=”match_parent”
\nandroid:layout_height=”match_parent” ><\/p>\n
<TextView
\nandroid:id=”@+id\/nm1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignParentTop=”true”
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”108dp”
\nandroid:text=”TextView” \/><\/p>\n
<TextView
\nandroid:id=”@+id\/cno1″
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_alignLeft=”@+id\/nm1″
\nandroid:layout_below=”@+id\/nm1″
\nandroid:layout_marginTop=”62dp”
\nandroid:text=”TextView” \/><\/p>\n
<Button
\nandroid:id=”@+id\/back”
\nandroid:layout_width=”wrap_content”
\nandroid:layout_height=”wrap_content”
\nandroid:layout_below=”@+id\/cno1″
\nandroid:layout_centerHorizontal=”true”
\nandroid:layout_marginTop=”72dp”
\nandroid:onClick=”onBack”
\nandroid:text=”Back” \/><\/p>\n
<\/RelativeLayout><\/p>\n
Second.java<\/p>\n
package com.example.demo;<\/p>\n
import android.app.Activity;
\nimport android.content.Intent;
\nimport android.os.Bundle;
\nimport android.view.View;
\nimport android.widget.TextView;<\/p>\n
public class Second extends Activity{<\/p>\n
TextView nm1,cno1;<\/p>\n
@Override
\nprotected void onCreate(Bundle savedInstanceState) {
\nsuper.onCreate(savedInstanceState);
\nsetContentView(R.layout.second_layout);<\/p>\n
nm1=(TextView)findViewById(R.id.nm1);
\ncno1=(TextView)findViewById(R.id.cno1);<\/p>\n
String n1=getIntent().getStringExtra(“NAME”);
\nString c1=getIntent().getStringExtra(“CNO”);<\/p>\n
nm1.setText(n1);
\ncno1.setText(c1);
\n}<\/p>\n
public void onBack(View v)
\n{
\nIntent in=new Intent(this,MainActivity.class);
\nstartActivity(in);
\n}
\n}<\/p>\n
AndroidManifest.xml<\/p>\n
<?xml version=”1.0″ encoding=”utf-8″?>
\n<manifest xmlns:android=”http:\/\/schemas.android.com\/apk\/res\/android”
\npackage=”com.example.demo”
\nandroid:versionCode=”1″
\nandroid:versionName=”1.0″ ><\/p>\n
<uses-sdk
\nandroid:minSdkVersion=”8″
\nandroid:targetSdkVersion=”17″ \/><\/p>\n
<application
\nandroid:allowBackup=”true”
\nandroid:icon=”@drawable\/ic_launcher”
\nandroid:label=”@string\/app_name”
\nandroid:theme=”@style\/AppTheme” >
\n<activity
\nandroid:name=”com.example.demo.MainActivity”
\nandroid:label=”@string\/app_name” >
\n<intent-filter>
\n<action android:name=”android.intent.action.MAIN” \/><\/p>\n
<category android:name=”android.intent.category.LAUNCHER” \/>
\n<\/intent-filter>
\n<\/activity>
\n<service android:name=”.Secondjava”><\/service>
\n<\/application><\/p>\n
<\/manifest><\/p>\n