我正在开发两个Android应用程序，让我们称它们为应用程序A和应用程序B. 我将在一部手机上部署应用程序A，在另一部手机上部署应用程序B.
两个应用程序都使用gps进行位置跟踪。
应用程序B上的我将设置手机的当前位置。当应用程序B的当前位置发生变化时，我想激活或向其他手机上部署的应用程序A发送任何通知。想要跟踪应用程序A中的应用程序B（其他手机）的当前位置。
两部手机之间的距离可能是公里。请告诉我如何继续。
package com.password.authentication;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JOptionPane;
public class Registration implements ActionListener,MouseListener {
private JFrame registrationFrame;
private JLabel userNameLabel;
private JTextField userNameText;
private JLabel firstNameLabel;
private JTextField firstNameText;
private JLabel lastNameLabel;
private JTextField lastNameText;
private JLabel emailID;
private JTextField emailIDText;
private JLabel password;
private JLabel imagePassword;
private JButton reset;
private JButton register;
private int xCordinate;
private int yCordinate;
private int imageCount;
private int labelWidth;
private int textFieldWidth;
private int height;
private List<JTextField> allTextFiel;
private List<String> allPoints=new ArrayList<String>();
File[] files={new File("C:/Users/Public/Pictures/Sample Pictures/Desert.jpg"),
new File("C:/Users/Public/Pictures/Sample Pictures/Chrysanthemum.jpg"),
new File("C:/Users/Public/Pictures/Sample Pictures/Hydrangeas.jpg")};
public Registration()
{
imageCount=0;
xCordinate=10;
yCordinate=10;
labelWidth=100;
textFieldWidth=180;
height=30;
allTextFiel=new ArrayList<JTextField>();
registrationFrame=new JFrame("Registration");
registrationFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
registrationFrame.setLayout(null);
userNameLabel=new JLabel("UserName");
userNameLabel.setBounds(xCordinate, yCordinate, labelWidth, height);
registrationFrame.add(userNameLabel);
userNameText=new JTextField();
userNameText.setBounds(userNameLabel.getX()+userNameLabel.getWidth()+10, yCordinate, textFieldWidth, height);
registrationFrame.add(userNameText);
allTextFiel.add(userNameText);
yCordinate=userNameLabel.getHeight()+20;
firstNameLabel=new JLabel("First Name");
firstNameLabel.setBounds(xCordinate, yCordinate, labelWidth, height);
registrationFrame.add(firstNameLabel);
firstNameText=new JTextField();
firstNameText.setBounds(firstNameLabel.getX()+firstNameLabel.getWidth()+10, yCordinate, textFieldWidth, height);
registrationFrame.add(firstNameText);
allTextFiel.add(firstNameText);
yCordinate=yCordinate+firstNameLabel.getHeight()+20;
lastNameLabel=new JLabel("Last Name");
lastNameLabel.setBounds(xCordinate, yCordinate, labelWidth, height);
registrationFrame.add(lastNameLabel);
lastNameText=new JTextField();
lastNameText.setBounds(lastNameLabel.getX()+lastNameLabel.getWidth()+10, yCordinate, textFieldWidth,height);
registrationFrame.add(lastNameText);
allTextFiel.add(lastNameText);
yCordinate=yCordinate+lastNameLabel.getHeight()+20;
emailID=new JLabel("EmailID");
emailID.setBounds(xCordinate, yCordinate, labelWidth, height);
registrationFrame.add(emailID);
emailIDText=new JTextField();
emailIDText.setBounds(emailID.getX()+emailID.getWidth()+10, yCordinate, textFieldWidth, height);
registrationFrame.add(emailIDText);
allTextFiel.add(emailIDText);
yCordinate=yCordinate+emailID.getHeight()+20;
password=new JLabel("password");
password.setBounds(xCordinate, yCordinate, labelWidth,height);
registrationFrame.add(password);
BufferedImage img;
try {
img = ImageIO.read(files[imageCount]);
ImageIcon icon = new ImageIcon(img);
imagePassword=new JLabel(icon);
imagePassword.setBounds(password.getX()+password.getWidth()+10, yCordinate, 250, 200);
registrationFrame.add(imagePassword);
imagePassword.addMouseListener(this);
}
catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
yCordinate=yCordinate+imagePassword.getHeight()+20;
register=new JButton("Register");
register.setBounds(imagePassword.getX(), yCordinate, 100, height);
registrationFrame.add(register);
register.addActionListener(this);
reset=new JButton("reset");
reset.setBounds(register.getX()+register.getWidth()+10, yCordinate, 100,30);
registrationFrame.add(reset);
reset.addActionListener(this);
registrationFrame.setSize(600,600);
registrationFrame.setLocationByPlatform(true);
registrationFrame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==register)
{
int totalImagesSelected=imageCount;
if(totalImagesSelected==3)
{
for(String XYPosition:allPoints)
{
System.out.println("point position are "+XYPosition);
}
JOptionPane.showMessageDialog(registrationFrame, "Registered SuccessFully" );
registrationFrame.dispose();
}
else
{
JOptionPane.showMessageDialog(registrationFrame, "Please select region from all images" );
}
}
if(e.getSource()==reset)
{
for (JTextField field : allTextFiel) {
field.setText("");
}
}
}
@Override
public void mouseClicked(MouseEvent e) {
int selectedXcordinate=e.getX();
int selectedYcordinate=e.getY();
String XYPosition=selectedXcordinate+","+selectedYcordinate;
allPoints.add(XYPosition);
imageCount=imageCount+1;
int x=imagePassword.getX();
int y=imagePassword.getY();
int imagewidth=imagePassword.getWidth();
int imageheight=imagePassword.getHeight();
if(imageCount<files.length)
{
registrationFrame.remove(imagePassword);
BufferedImage img;
try {
img = ImageIO.read(files[imageCount]);
ImageIcon icon = new ImageIcon(img);
imagePassword=new JLabel(icon);
imagePassword.setBounds(x,y ,imagewidth, imageheight);
registrationFrame.add(imagePassword);
imagePassword.addMouseListener(this);
registrationFrame.repaint();
}
catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
}
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Welcome implements ActionListener {
private JFrame frame;
private JLabel welcome;
private JButton login;
private JButton admin;
private JButton registration;
private int xCordinate;
private int yCordinate;
public Welcome()
{
xCordinate=10;
yCordinate=10;
frame=new JFrame("Welcome");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(null);
welcome=new JLabel("Welcome to Password Authentication Using Image");
login=new JButton("Login");
admin=new JButton("Admin Login");
registration=new JButton("Registration");
welcome.setBounds(xCordinate, yCordinate, 400, 30);
frame.add(welcome);
yCordinate=yCordinate+40;
login.setBounds(xCordinate, yCordinate, 120, 30);
frame.add(login);
yCordinate=yCordinate+40;
admin.setBounds(xCordinate, yCordinate, 120, 30);
frame.add(admin);
yCordinate=yCordinate+40;
registration.setBounds(xCordinate, yCordinate, 120, 30);
frame.add(registration);
login.addActionListener(this);
admin.addActionListener(this);
registration.addActionListener(this);
frame.setSize(500,400);
frame.setLocationByPlatform(true);
frame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==login)
{
Login login=new Login();
}
if(e.getSource()==admin)
{
AdminLogin admin=new AdminLogin();
//UploadImages uploadImage=new UploadImages();
}
if(e.getSource()==registration)
{
Registration registration=new Registration();
}
}
public static void main(String[] args )
{
Welcome welcomeScreen=new Welcome();
}
}
package com.password.authentication;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
public class Login implements ActionListener,MouseListener {
private JFrame loginFrame;
private JLabel heading;
private JLabel userNameLabel;
private JTextField userName;
private JLabel PasswordLabel;
private JLabel image;
private JButton submitt;
private JButton reset;
private int xCordinate;
private int yCordinate;
private int height;
private int imageCount;
private List<JTextField> allTextField;
File[] files={new File("C:/Users/Public/Pictures/Sample Pictures/Desert.jpg"),
new File("C:/Users/Public/Pictures/Sample Pictures/Chrysanthemum.jpg"),
new File("C:/Users/Public/Pictures/Sample Pictures/Hydrangeas.jpg")};
public int getxCordinate() {
return xCordinate;
}
public void setxCordinate(int xCordinate) {
this.xCordinate = xCordinate;
}
public int getyCordinate() {
return yCordinate;
}
public void setyCordinate(int yCordinate) {
this.yCordinate = yCordinate;
}
public Login()
{
imageCount=0;
height=30;
xCordinate=10;
yCordinate=10;
allTextField=new ArrayList<JTextField>();
loginFrame=new JFrame("Login");
loginFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
loginFrame.setLayout(null);
heading=new JLabel("Enter Login Credentials");
heading.setBounds(xCordinate, yCordinate, 180, 30);
loginFrame.add(heading);
yCordinate=yCordinate+height+10;
userNameLabel=new JLabel("UserName");
userNameLabel.setBounds(xCordinate, yCordinate, 100, height);
loginFrame.add(userNameLabel);
userName=new JTextField();
userName.setBounds(userNameLabel.getX()+userNameLabel.getWidth()+10, yCordinate, 180, height);
loginFrame.add(userName);
allTextField.add(userName);
yCordinate=yCordinate+height+10;
PasswordLabel=new JLabel("Password");
PasswordLabel.setBounds(xCordinate, yCordinate, 100, height);
loginFrame.add(PasswordLabel);
BufferedImage img;
try {
img = ImageIO.read(new File("C:/Users/Public/Pictures/Sample Pictures/Desert.jpg"));
ImageIcon icon = new ImageIcon(img);
image=new JLabel(icon);
image.setBounds(PasswordLabel.getX()+PasswordLabel.getWidth()+10, yCordinate, 250, 200);
loginFrame.add(image);
image.addMouseListener(this);
}
catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
yCordinate=yCordinate+image.getHeight()+10;
submitt=new JButton("Submit");
submitt.setBounds(image.getX(), yCordinate, 120, height);
loginFrame.add(submitt);
reset=new JButton("Reset");
reset.setBounds(submitt.getX()+submitt.getWidth()+10, yCordinate, 120, height);
loginFrame.add(reset);
loginFrame.setSize(500,400);
loginFrame.setLocationByPlatform(true);
loginFrame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==reset)
{
for (JTextField field : allTextField) {
field.setText("");
}
}
}
@Override
public void mouseClicked(MouseEvent e) {
imageCount=imageCount+1;
int x=image.getX();
int y=image.getY();
int imagewidth=image.getWidth();
int imageheight=image.getHeight();
if(imageCount<files.length)
{
loginFrame.remove(image);
BufferedImage img;
try {
img = ImageIO.read(files[imageCount]);
ImageIcon icon = new ImageIcon(img);
image=new JLabel(icon);
image.setBounds(x,y ,imagewidth, imageheight);
loginFrame.add(image);
image.addMouseListener(this);
loginFrame.repaint();
}
catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
}
package com.password.authentication;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
public class AdminLogin implements ActionListener {
JFrame adminLoginFrame;
JLabel welcomeMessage;
JLabel userNameLabel;
JLabel passwordLabel;
JTextField usernameText;
JTextField passwordText;
JButton submit;
JButton reset;
int xCordinate;
int yCordinate;
int labelWidth;
int height;
int textWidth;
public AdminLogin()
{
labelWidth=120;
textWidth=180;
height=30;
xCordinate=30;
yCordinate=30;
adminLoginFrame=new JFrame(" Admin Login");
adminLoginFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
adminLoginFrame.setLayout(null);
welcomeMessage=new JLabel("Admin Login");
welcomeMessage.setBounds(xCordinate, yCordinate, labelWidth, height);
adminLoginFrame.add(welcomeMessage);
yCordinate=yCordinate+welcomeMessage.getHeight()+10;
userNameLabel=new JLabel("UserName");
userNameLabel.setBounds(xCordinate, yCordinate, labelWidth, height);
adminLoginFrame.add(userNameLabel);
usernameText=new JTextField();
usernameText.setBounds(xCordinate+userNameLabel.getWidth()+10, yCordinate, textWidth, height);
adminLoginFrame.add(usernameText);
yCordinate=yCordinate+usernameText.getHeight()+10;
passwordLabel=new JLabel("Password");
passwordLabel.setBounds(xCordinate, yCordinate, labelWidth, height);
adminLoginFrame.add(passwordLabel);
passwordText=new JTextField();
passwordText.setBounds(xCordinate+passwordLabel.getWidth()+10, yCordinate, textWidth, height);
adminLoginFrame.add(passwordText);
yCordinate=yCordinate+passwordText.getHeight()+10;
submit=new JButton("Submit");
submit.setBounds(xCordinate+passwordLabel.getWidth()+10, yCordinate, 100, 30);
adminLoginFrame.add(submit);
submit.addActionListener(this);
reset=new JButton("reset");
reset.setBounds(xCordinate+passwordText.getX()+submit.getWidth(), yCordinate, 100, 30);
adminLoginFrame.add(reset);
adminLoginFrame.setSize(500,400);
adminLoginFrame.setLocationByPlatform(true);
adminLoginFrame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==submit)
{
new UnLockUser();
}
}
}
package com.password.authentication;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class UnLockUser implements ActionListener {
public JFrame unLockUserFrame;
private JLabel heading;
private JLabel userName;
private JLabel userID;
int xCordinate;
int yCordinate;
public List<String> lockedUser=new ArrayList<String>();
public List<JCheckBox> selectedCheckBoxes=new ArrayList<JCheckBox>();
public UnLockUser()
{
unLockUserFrame=new JFrame("UnLock Users");
unLockUserFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
unLockUserFrame.setLayout(null);
xCordinate=70;
yCordinate=40;
lockedUser.add("nagesh_112");
lockedUser.add("piyush_223");
heading=new JLabel("Locked Users");
heading.setForeground(Color.RED);
heading.setBounds(xCordinate, 30, 120, 30);
unLockUserFrame.add(heading);
yCordinate=yCordinate+30;
userID=new JLabel("UserID");
userID.setBounds(xCordinate+20, yCordinate, 80, 30);
unLockUserFrame.add(userID);
userName=new JLabel("UserName");
userName.setBounds(xCordinate+userID.getWidth(), yCordinate, 100, 30);
unLockUserFrame.add(userName);
for(int i=0;i<lockedUser.size();i++)
{
String userDetails=lockedUser.get(i);
String[] user=userDetails.split("_");
String userID=user[1];
JCheckBox unlockUser=new JCheckBox(" "+userID);
yCordinate=yCordinate+30;
unlockUser.setBounds(xCordinate, yCordinate, 60, 30);
unLockUserFrame.add(unlockUser);
JLabel userName=new JLabel(user[0]);
userName.setBounds(xCordinate+unlockUser.getWidth()+10, yCordinate, 100, 30);
unLockUserFrame.add(userName);
selectedCheckBoxes.add(unlockUser);
}
yCordinate=yCordinate+30;
JButton unLock=new JButton("UnLock");
unLock.setBounds(xCordinate, yCordinate+20, 100, 30);
unLock.addActionListener(this);
unLockUserFrame.add(unLock);
unLockUserFrame.setSize(500,400);
unLockUserFrame.setLocationByPlatform(true);
unLockUserFrame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
for (JCheckBox checkBox : selectedCheckBoxes) {
if (checkBox.isSelected())
{
System.out.println("seleetd checkbox value is"+checkBox.getText());
}
}
}
}