In this post we will pass data from one activity to another activity using putExtras and getExtras. Here we have one activity which has an EditText for name another EditText for age a RadioButton for Gender and Spinner for Date Of Birth . We will pass all these values to the other activity. Lets do it !! Here we make this android app in AndroidStudio. Get AndroidStudio here Open a new app, if you are not familiar with Android Studio ,check my previous post "Setting Up the Project" section . |
Open mainactivity.xml
Firstly we design a layout for holding EditTexts,Spinner,RadioGroup with RadioButtons .We will have a LinearLayout with Orientation vertical which is a parent to another four LinearLayouts .
First LinearLayout is for nameIt has one TextView and one EditText , it oriented horizontally
Check the code here,
The second child LinearLayout is for ageIt has one TextView and one EditText , it oriented horizontally
Check the code here,
The Third child LinearLayout is for genderIt has one Textview and one RadioGroup with two RadioButtons for male and female , it is also oriented horizontally.
Check the code here,
The final child LinearLayout is for Date of Birth.It has one TextView and three spinners , each spinner is for day , month and year respectively.To hold those three spinners we will have another horizontal LinearLayout with weights to fit the width.
Check the code here,
We will have any array of strings for loading days , months and years into those spinners.For this, open strings.xml from the project's values directory.
Now create an array of strings for days , months, years
and finally one button which when clicked passes data to another activity
The code for the complete activity_main.xml is :
Now when the data is passed we need to show that activity , so we will have another layout file called secondactivity,xml which has 4 TextViews for showing name, age, gender ,date of birth.
The code for secondactivity.xml is :
We are done with the design part.
Now lets do the java part(functionality).
Open MainActivity.java
Initialize all the EditTexts,RadioButtons,Spinner,Buttton by using id's which we used in our activity_main.xml.
Now we need to get selected item from RadioGroup as
Now when the button is clicked we will convert all the values of EditText's , RadioButtons,Spinner into strings and passes that data with an intent to SecondActivity with putExtras.
The complete MainActivity.java code is :
Now create another activity for getting the passed values and name it as SecondActiviy.java(anything you wish). Here we use getExtras for getting the passed values.
The code is here :
Now we must add this second activity to the manifest file as the android system must have all the information of the app before running the app. So all the activities , permissions must be included in manifest.xml file.
For adding an activity we write,
The complete manifest file looks like,
That is it ! we have successfully passed data from one activity to another activity using putExtras and getExtras.
OUTPUT :
Firstly we design a layout for holding EditTexts,Spinner,RadioGroup with RadioButtons .We will have a LinearLayout with Orientation vertical which is a parent to another four LinearLayouts .
First LinearLayout is for nameIt has one TextView and one EditText , it oriented horizontally
Check the code here,
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:id="@+id/textView_Name" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/editText_Name" />
</LinearLayout>The second child LinearLayout is for ageIt has one TextView and one EditText , it oriented horizontally
Check the code here,
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Age"
android:id="@+id/textView2" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="numberSigned"
android:ems="10"
android:id="@+id/editText_Age" />
</LinearLayout>The Third child LinearLayout is for genderIt has one Textview and one RadioGroup with two RadioButtons for male and female , it is also oriented horizontally.
Check the code here,
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Gender"
android:id="@+id/textView" />
<RadioGroup
android:id="@+id/rdg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/rbmale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Male" />
<RadioButton
android:id="@+id/rbfemale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Female" />
</RadioGroup>
</LinearLayout>The final child LinearLayout is for Date of Birth.It has one TextView and three spinners , each spinner is for day , month and year respectively.To hold those three spinners we will have another horizontal LinearLayout with weights to fit the width.
Check the code here,
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="D O B :"
android:id="@+id/textView4" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="90">
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/day"
android:layout_weight="30"
android:entries="@array/day" />
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/month"
android:layout_weight="30"
android:entries="@array/month" />
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/year"
android:layout_weight="30"
android:entries="@array/year" />
</LinearLayout>
</LinearLayout>We will have any array of strings for loading days , months and years into those spinners.For this, open strings.xml from the project's values directory.
Now create an array of strings for days , months, years
<string-array name="day">
<item>1</item>
<item>2</item>
<item>3</item>
<item>4</item>
<item>5</item>
<item>6</item>
<item>7</item>
<item>8</item>
<item>9</item>
<item>10</item>
<item>11</item>
<item>12</item>
<item>13</item>
<item>14</item>
<item>15</item>
<item>16</item>
<item>17</item>
<item>18</item>
<item>19</item>
<item>20</item>
<item>21</item>
<item>22</item>
<item>23</item>
<item>24</item>
<item>25</item>
<item>26</item>
<item>27</item>
<item>28</item>
<item>29</item>
<item>30</item>
<item>31</item>
</string-array>
<string-array name="month">
<item>Jan</item>
<item>Feb</item>
<item>Mar</item>
<item>Apr</item>
<item>May</item>
<item>June</item>
<item>July</item>
<item>Aug</item>
<item>Sep</item>
<item>Oct</item>
<item>Nov</item>
<item>Dec</item>
</string-array>
<string-array name="year">
<item>1800</item>
<item>1801-1900</item>
<item>1901-1990</item>
<item>1991-2000</item>
<item>2001-2015</item>
</string-array>and finally one button which when clicked passes data to another activity
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Go to next Activity"
android:id="@+id/Show"
android:layout_gravity="center_horizontal" />The code for the complete activity_main.xml is :
<LinearLayout 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:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:id="@+id/textView_Name" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:ems="10"
android:id="@+id/editText_Name" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Age"
android:id="@+id/textView2" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="numberSigned"
android:ems="10"
android:id="@+id/editText_Age" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Gender"
android:id="@+id/textView" />
<RadioGroup
android:id="@+id/rdg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<RadioButton
android:id="@+id/rbmale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Male" />
<RadioButton
android:id="@+id/rbfemale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Female" />
</RadioGroup>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="D O B :"
android:id="@+id/textView4" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="90">
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/day"
android:layout_weight="30"
android:entries="@array/day" />
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/month"
android:layout_weight="30"
android:entries="@array/month" />
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/year"
android:layout_weight="30"
android:entries="@array/year" />
</LinearLayout>
</LinearLayout>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Go to next Activity"
android:id="@+id/Show"
android:layout_gravity="center_horizontal" />
</LinearLayout>Now when the data is passed we need to show that activity , so we will have another layout file called secondactivity,xml which has 4 TextViews for showing name, age, gender ,date of birth.
The code for secondactivity.xml is :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_name"
android:layout_gravity="center_horizontal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_age" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_gender" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_dob" />
</LinearLayout>We are done with the design part.
Now lets do the java part(functionality).
Open MainActivity.java
Initialize all the EditTexts,RadioButtons,Spinner,Buttton by using id's which we used in our activity_main.xml.
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final EditText et_name = (EditText) findViewById(R.id.editText_Name);
final EditText et_age = (EditText) findViewById(R.id.editText_Age);
Button b = (Button) findViewById(R.id.Show);
day = (Spinner) findViewById(R.id.day);
month = (Spinner) findViewById(R.id.month);
year = (Spinner) findViewById(R.id.year);
RadioGroup gender =(RadioGroup)findViewById(R.id.rdg);
final RadioButton rbm =(RadioButton)findViewById(R.id.rbmale);
final RadioButton rbf =(RadioButton)findViewById(R.id.rbfemale);Now we need to get selected item from RadioGroup as
gender.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
if(checkedId == R.id.rbmale)
selectedType = rbm.getText().toString();
else if(checkedId == R.id.rbfemale)
selectedType = rbf.getText().toString();
}
});Now when the button is clicked we will convert all the values of EditText's , RadioButtons,Spinner into strings and passes that data with an intent to SecondActivity with putExtras.
b.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String sp1 = day.getSelectedItem().toString();
String sp2 = month.getSelectedItem().toString();
String sp3 = year.getSelectedItem().toString();
String s = et_name.getText().toString();
String s1 = et_age.getText().toString();
Intent ii = new Intent(MainActivity.this, SecondActivity.class);
ii.putExtra("name", s);
ii.putExtra("age", s1);
ii.putExtra("gender",selectedType);
ii.putExtra("day",sp1);
ii.putExtra("month",sp2);
ii.putExtra("year",sp3);
startActivity(ii);
}
});The complete MainActivity.java code is :
package com.blogspot.codingcorner999.codingcorner_passingdatabetweenactivities;
import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
public class MainActivity extends ActionBarActivity {
public Spinner day, month, year;
private String selectedType = "";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final EditText et_name = (EditText) findViewById(R.id.editText_Name);
final EditText et_age = (EditText) findViewById(R.id.editText_Age);
Button b = (Button) findViewById(R.id.Show);
day = (Spinner) findViewById(R.id.day);
month = (Spinner) findViewById(R.id.month);
year = (Spinner) findViewById(R.id.year);
RadioGroup gender = (RadioGroup) findViewById(R.id.rdg);
final RadioButton rbm = (RadioButton) findViewById(R.id.rbmale);
final RadioButton rbf = (RadioButton) findViewById(R.id.rbfemale);
gender.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
if (checkedId == R.id.rbmale)
selectedType = rbm.getText().toString();
else if (checkedId == R.id.rbfemale)
selectedType = rbf.getText().toString();
}
});
b.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String sp1 = day.getSelectedItem().toString();
String sp2 = month.getSelectedItem().toString();
String sp3 = year.getSelectedItem().toString();
String s = et_name.getText().toString();
String s1 = et_age.getText().toString();
Intent ii = new Intent(MainActivity.this, SecondActivity.class);
ii.putExtra("name", s);
ii.putExtra("age", s1);
ii.putExtra("gender", selectedType);
ii.putExtra("day", sp1);
ii.putExtra("month", sp2);
ii.putExtra("year", sp3);
startActivity(ii);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}Now create another activity for getting the passed values and name it as SecondActiviy.java(anything you wish). Here we use getExtras for getting the passed values.
The code is here :
package com.blogspot.codingcorner999.codingcorner_passingdatabetweenactivities;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class SecondActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secondactivity);
TextView t = (TextView) findViewById(R.id.tv_name);
TextView t1 = (TextView) findViewById(R.id.tv_age);
TextView t2 = (TextView) findViewById(R.id.tv_gender);
TextView t3 = (TextView) findViewById(R.id.tv_dob);
Intent iin = getIntent();
Bundle b = iin.getExtras();
if (b != null) {
String passed_name = (String) b.get("name");
String passed_age = (String) b.get("age");
String passed_gender = (String) b.get("gender");
String passed_day = (String) b.get("day");
String passed_month = (String) b.get("month");
String passed_year = (String) b.get("year");
t.setText("Welcome " + passed_name);
t1.setText("You are " + passed_age + " old");
t2.setText("Your sex category is : " + passed_gender);
t3.setText("Your Date of Birth is : " + passed_month + "/" + passed_day + "/" + passed_year);
}
}
}Now we must add this second activity to the manifest file as the android system must have all the information of the app before running the app. So all the activities , permissions must be included in manifest.xml file.
For adding an activity we write,
<activity
android:name=".SecondActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.blogspot.codingcorner999.codingcorner_passingdatabetweenactivitiesSecondActivity" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>The complete manifest file looks like,
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.blogspot.codingcorner999.codingcorner_passingdatabetweenactivities">
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme">
<activity
android:name=".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=".SecondActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="com.blogspot.codingcorner999.codingcorner_passingdatabetweenactivitiesSecondActivity" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>That is it ! we have successfully passed data from one activity to another activity using putExtras and getExtras.
OUTPUT :
