String communication between server and android

App/event36/app/src/main/java/com/example/event36/AndroidIp.java

+package com.example.event36;
+
+
+import android.net.wifi.WifiManager;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.net.UnknownHostException;
+
+
+public class AndroidIp extends AppCompatActivity {
+//    private Integer ipAd;
+//    private WifiManager thing = (WifiManager) this.getApplicationContext().getSystemService(WIFI_SERVICE);
+//
+//    public AndroidIp() throws UnknownHostException {
+//        ipAd = thing.getConnectionInfo().getIpAddress();
+//    }
+//    public String getIpAd() {return ipAd.toString();}
+}
\ No newline at end of file

App/event36/app/src/main/java/com/example/event36/BackgroudTask.java

+package com.example.event36;
+
+import android.net.wifi.WifiEnterpriseConfig;
+import android.net.wifi.WifiManager;
+import android.os.AsyncTask;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.io.PrintWriter;
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+class BackgroudTask extends AsyncTask<String,Void,Void> {
+    String serverName ="172.16.1.79";
+    int portNumber = 8000;
+    @Override
+    protected Void doInBackground(String... voids) {
+        try {
+            String userName = voids[0];
+            String deviceName = Inet4Address.getLocalHost().getHostAddress();
+            String hostNawm = Inet4Address.getLocalHost().getHostName();
+
+//            AndroidIp newUser = new AndroidIp();
+            Socket kkSocket = new Socket(serverName, portNumber);
+
+            PrintWriter writer = new PrintWriter(kkSocket.getOutputStream());
+//            ObjectOutputStream sendToServer = new ObjectOutputStream(kkSocket.getOutputStream());
+            assert deviceName != null;
+            writer.println(userName);
+            writer.println(deviceName);
+            //assert ipAd != null;
+            writer.println(hostNawm);
+//            writer.println(newUser.getIpAd());
+//            writer.flush();
+//            writer.write(userName);
+            writer.flush();
+//            sendToServer.writeObject(newUser);
+//            sendToServer.close();
+            writer.close();
+            kkSocket.close();
+
+        } catch (UnknownHostException e) {
+            System.out.println("Failed locate local device");
+        } catch (IOException e) {
+            System.out.println("failed to send to server");
+        }
+        return null;
+    }
+
+
+
+
+
+}

App/event36/app/src/main/java/com/example/event36/MainActivity.java

@@ -8,6 +8,7 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.content.Intent;
+import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.view.MenuItem;
 import android.view.View;

App/event36/app/src/main/java/com/example/event36/RegisterActivity.java

@@ -9,10 +9,22 @@ import android.os.Bundle;
 import android.view.View;
 import android.widget.TextView;
 
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.UnknownHostException;
+
 public class RegisterActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        //okay we want some things this thing will has
+        //so we are going to send that to the server
+        //SendUserToServer serverNote;
+
+
+
+
+
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_register);
         //Let us make our text view something we are observing
@@ -41,6 +53,9 @@ public class RegisterActivity extends AppCompatActivity {
                 SharedPreferences pass = getBaseContext().getSharedPreferences("passwords", Context.MODE_PRIVATE);
                 //this is not the best way of doing this but it is what we got right now
                 pass.edit().putString(user.getText().toString(),password.getText().toString()).commit();
+                //let's send this stuff to the server before we get ahead of ourselves.
+                BackgroudTask bLog = new BackgroudTask();
+                bLog.execute(user.getText().toString());
                 //alright now let's just pass the rest off the MainActivity
                 startActivity(new Intent(RegisterActivity.this, MainActivity.class));
             }

App/event36/app/src/main/java/com/example/event36/SendUserToServer.java

+package com.example.event36;
+
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+public class SendUserToServer implements Runnable {
+    ServerUser user;
+    int portNum;
+    String nameOfServer;
+
+    public SendUserToServer(String serverName,int accessPort,ServerUser newUser){
+        portNum = accessPort;
+        nameOfServer = serverName;
+        user = newUser;
+    }
+
+    @Override
+    public void run() {
+        //let's connect to the server and create stream to the server
+        //if we cannot find the server we exit(1)
+        //if we cannot connect to the server we exit(2)
+        try (Socket kkSocket = new Socket(nameOfServer, portNum);
+             ObjectOutputStream sendToServer = new ObjectOutputStream(kkSocket.getOutputStream());) {
+            //all we want to do is send the user to the server
+            sendToServer.writeObject(user);
+
+        } catch (UnknownHostException e) {
+            System.out.println("Server is not known to us");
+            System.exit(1);
+        } catch (IOException e) {
+            System.out.println("Failure of connect to host server");
+            System.exit(2);
+        }
+
+
+    }
+}
+

App/event36/app/src/main/java/com/example/event36/ServerUser.java

 package com.example.event36;
 
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.net.Inet6Address;
+import java.net.UnknownHostException;
 import java.util.ArrayList;
 
 /***
@@ -7,9 +11,26 @@ import java.util.ArrayList;
  * As of right now we are not expecting it to do anything
  */
 
-public class ServerUser {
-    private String name;
-    private String password;
-    private ArrayList<Review> userReviews;
-    private ArrayList<Event> userCreatedEvents;
+//public class ServerUser {
+//    private String name;
+//    private String password;
+//    private ArrayList<Review> userReviews;
+//    private ArrayList<Event> userCreatedEvents;
+//}
+import java.net.Inet4Address;
+
+
+public class ServerUser extends AppCompatActivity implements java.io.Serializable {
+    private String name,address;
+
+    public ServerUser(String newName, String newAddress) {
+        name = newName;
+        address = newAddress;
+    }
+    public String getName(){
+        return name;
+    }
+    public String getAddress(){
+        return address;
+    }
 }

App/event36/app/src/main/java/com/example/event36/ui/ServerUser.java

-package com.example.event36.ui;
-
-import java.net.Inet4Address;
-
-public class ServerUser {
-    String name,Address;
-    static Inet4Address localAd;
-}