Phone call in Java
In this project of Java, we are going to learn about the User interface and how we will build a phone call experience in it.
Swing in Java is a Graphical User Interface (GUI) that includes the GUI functions,
It is a part of Java Foundation Classes(JFC), which is also an API for Java programs that provide GUI.
We will learn about the Swing hierarchical flow chart:
1. Container Class:
The container class can be described as an important component that holds the gathering of the components.
2. JButton Class:
The JButton class is used to create a labeled button. The application results in action when the button is clicked.
3. JTextField Class:
It inherits the JTextComponent class and is used to edit the single-line text.
4. JScrollBar Class:
It is used to add a scroll bar, both horizontally and vertically.
5. JPanel Class:
It inherits the JComponent class and provides space for an application that attaches another component.
6. JMenu Class:
It inherits the JMenuItem class and is a pull-down menu component.
7. JList Class:
It inherits JComponent class, the object of JList class represents a list of text items.
8. JLabel Class:
It inherits JComponent class and is used for placing text in a container.
9. JComboBox Class:
It inherits the JComponent class and is used to show a pop-up menu of choices.
10. Layout Manager
To arrange the components inside a container we use the layout manager.
- Border layout- The default layout manager for every JFrame is BorderLayout. It places components in up to five places- top, bottom, left, right, and center.
- Flow layout- FlowLayout simply lays the components in a row one after the other.
- GridBag layout- GridBagLayout places the components in a grid.
Below is the code of how to make a phone call in Java:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication5;
/**
*
* @author VD
*/
import java.awt.Color;
public class Phone_call extends javax.swing.JFrame {
/**
* Creates new form Phone
*/
public Phone_call() {
initComponents();
}
@SuppressWarnings("unchecked")
private void initComponents() {
jColorChooser1 = new javax.swing.JColorChooser();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
area = new javax.swing.JTextField();
jButton10 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setBackground(new java.awt.Color(204, 204, 204));
jButton1.setBackground(new java.awt.Color(51, 51, 51));
jButton1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton1.setForeground(new java.awt.Color(255, 255, 255));
jButton1.setText("1");
jButton1.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setBackground(new java.awt.Color(51, 51, 51));
jButton2.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton2.setForeground(new java.awt.Color(255, 255, 255));
jButton2.setText("2");
jButton2.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setBackground(new java.awt.Color(51, 51, 51));
jButton3.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton3.setForeground(new java.awt.Color(255, 255, 255));
jButton3.setText("3");
jButton3.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jButton4.setBackground(new java.awt.Color(51, 51, 51));
jButton4.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton4.setForeground(new java.awt.Color(255, 255, 255));
jButton4.setText("4");
jButton4.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
jButton5.setBackground(new java.awt.Color(51, 51, 51));
jButton5.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton5.setForeground(new java.awt.Color(255, 255, 255));
jButton5.setText("5");
jButton5.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});
jButton6.setBackground(new java.awt.Color(51, 51, 51));
jButton6.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton6.setForeground(new java.awt.Color(255, 255, 255));
jButton6.setText("6");
jButton6.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});
jButton7.setBackground(new java.awt.Color(51, 51, 51));
jButton7.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton7.setForeground(new java.awt.Color(255, 255, 255));
jButton7.setText("7");
jButton7.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});
jButton8.setBackground(new java.awt.Color(51, 51, 51));
jButton8.setFont(new java.awt.Font("Tahoma", 0, 14));
jButton8.setForeground(new java.awt.Color(255, 255, 255));
jButton8.setText("8");
jButton8.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});
jButton9.setBackground(new java.awt.Color(51, 51, 51));
jButton9.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton9.setForeground(new java.awt.Color(255, 255, 255));
jButton9.setText("9");
jButton9.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});
area.setFont(new java.awt.Font("Bahnschrift", 0, 24)); // NOI18N
jButton10.setBackground(new java.awt.Color(255, 51, 0));
jButton10.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton10.setForeground(new java.awt.Color(255, 255, 255));
jButton10.setText("clear");
jButton10.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});
jButton11.setBackground(new java.awt.Color(51, 51, 51));
jButton11.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton11.setForeground(new java.awt.Color(255, 255, 255));
jButton11.setText("0");
jButton11.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton11ActionPerformed(evt);
}
});
jButton12.setBackground(new java.awt.Color(102, 204, 0));
jButton12.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
jButton12.setForeground(new java.awt.Color(255, 255, 255));
jButton12.setText("call");
jButton12.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(area, javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton7, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton10, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 42, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton11, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton8, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(38, 38, 38)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton6, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton12, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton9, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE))))))))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(44, 44, 44)
.addComponent(area, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(51, 51, 51)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton6, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton7, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton8, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton9, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(26, 26, 26)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton10, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton11, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton12, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(31, Short.MAX_VALUE))
);
pack();
}//
boolean is_rejected = false;
boolean is_calling = false;
private void jButton1ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "1");
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "2");
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "3");
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "4");
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "5");
}
private void jButton6ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "6");
}
private void jButton7ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "7");
}
private void jButton8ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "8");
}
private void jButton9ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "9");
}
private void jButton11ActionPerformed(java.awt.event.ActionEvent event) {
if(is_calling==true) return;
if(is_rejected==true)
{
is_rejected=false;
area.setText("");
}
area.setText(area.getText()+ "0");
}
private void jButton10ActionPerformed(java.awt.event.ActionEvent event) {
area.setText("");
}
int call=0;
private void jButton12ActionPerformed(java.awt.event.ActionEvent event) {
if(call==0) call=1;
else call=0;
if(call==1)
{
jButton12.setText("Hang Up?");
if(is_rejected==false)area.setText("calling the number.. " + area.getText());
jButton12.setBackground(new Color(255, 1, 0));
is_calling = true;
is_rejected = false;
}
else
{
jButton12.setText("Call");
area.setText("call rejected.. ");
jButton12.setBackground(new Color(104, 204, 0));
is_rejected=true;
is_calling = false;
}
}
/**
* @param args The command-line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Phone_app.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Phone_app.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Phone_app.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Phone_app.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Phone_call().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JTextField area;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JColorChooser jColorChooser1;
// End of variable declaration
}
The output of the program is as follows:
Submitted by Vedanti Ravish Deshmukh (vedantid30)
Download packets of source code on Coders Packet
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