App: Telegramm with wheel datas/Turn directions

MobileApp/app/src/main/java/com/example/lfrmobileapp/Communication.java

 package com.example.lfrmobileapp;
 
 import android.accounts.NetworkErrorException;
+import android.util.Log;
 
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.net.Socket;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Objects;
 
 public class Communication {
     public boolean sendData(String data, String ip, int port) {
         return true;
     }
 
+    public String telegram(int[] wheels, int strenght){
+        String tel = "";
+        tel += "0;"; //Manuel mode
+
+        for(int i = 0; i < wheels.length; i++){
+            if(wheels[i] == 1){
+                tel += Float.toString(((float)strenght)/100) + ";";
+            }else if(wheels[i] == -1)
+                tel += Float.toString(((float)-strenght)/100) + ";";
+            else{
+                tel += "0.00;";
+            }
+        }
+        Log.v("TAG", tel + "\n");
+        return tel;
+    }
+
+    public String telegram(boolean startStop, ArrayList<String> list){
+        String tel = "";
+        tel += "1;"; //Autonomous mode
+        if(startStop){
+            tel += "1;";
+        }else{
+            tel += "0;";
+        }
+
+        for (String i : list) {
+            if(i.equals("Links")){
+                tel += "0;";
+            }else if (i.equals("Rechts")){
+                tel += "1;";
+            }
+        }
+        Log.v("TAG", tel + "\n");
+        return tel;
+    }
 }

MobileApp/app/src/main/java/com/example/lfrmobileapp/ui/dashboard/DashboardFragment.java

 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
+import android.widget.CompoundButton;
 import android.widget.ListView;
 import android.widget.TextView;
 
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
 
+import com.example.lfrmobileapp.Communication;
 import com.example.lfrmobileapp.R;
 import com.example.lfrmobileapp.databinding.FragmentAutomatikBinding;
 
 
 public class DashboardFragment extends Fragment {
 
+    String ipKey = "ipkey";
+    String portKey = "portkey";
+
+    String ipAddress = "192.168.0.1";
+    int port = 8000;
+
+    Communication com = new Communication();
     private FragmentAutomatikBinding binding;
 
+    //Keys for Shared Preferences
     String listKey = "listkey";
 
     public View onCreateView(@NonNull LayoutInflater inflater,
         final TextView textView = binding.textDashboard;
         dashboardViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
 
+        //Shared Preferences
         SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = sharedPref.edit();
 
+        //Get Arraylist from Shared Preferences String
+        ArrayList<String> autoList = stringToArraylist(sharedPref.getString(listKey, ""));
 
+        ipAddress = sharedPref.getString(ipKey, "");
+        port = sharedPref.getInt(portKey, -1);
+
+        binding.startAutomatic.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if(isChecked){
+                    com.sendData(com.telegram(true, autoList), ipAddress, port);
+                }else{
+                    com.sendData(com.telegram(false, autoList), ipAddress, port);
+                }
+            }
+        });
 
-        ArrayList<String> autoList = stringToArraylist(sharedPref.getString(listKey, ""));
 
         // on the below line we are initializing the adapter for our list view.
         ArrayAdapter<String> adapter = new ArrayAdapter<String>(root.getContext(), android.R.layout.simple_list_item_1, autoList){
             @Override
             public View getView(int position, View convertView, ViewGroup parent) {
                 View view =super.getView(position, convertView, parent);
-
                 TextView textView=(TextView) view.findViewById(android.R.id.text1);
-
-                /*YOUR CHOICE OF COLOR*/
+                //Set Color to black
                 textView.setTextColor(Color.BLACK);
-
                 return view;
             }
 
             @Override
             public void notifyDataSetChanged() {
                 super.notifyDataSetChanged();
+                //Save Arraylist in Shared Preferences as String
                 editor.putString(listKey, listToString(autoList));
                 editor.apply();
             }
         };
 
+
+
         // on below line we are setting adapter for our list view.
         binding.automaticList.setAdapter(adapter);
 
             public void onClick(View v) {
                 // on below line we are getting text from edit text
                 String item = "Links";
-
+                Boolean automaticOn = binding.startAutomatic.isChecked();
                 // on below line we are checking if item is not empty
-                if (!item.isEmpty()) {
+                if (!item.isEmpty() && !automaticOn) {
                     // on below line we are adding item to our list.
                     autoList.add(item);
                     // on below line we are notifying adapter
                     // update our list view.
                     adapter.notifyDataSetChanged();
                 }
-
             }
         });
 
                 // on below line we are getting text from edit text
                 String item = "Rechts";
 
+                Boolean automaticOn = binding.startAutomatic.isChecked();
                 // on below line we are checking if item is not empty
-                if (!item.isEmpty()) {
+                if (!item.isEmpty() && !automaticOn) {
                     // on below line we are adding item to our list.
                     autoList.add(item);
                     // on below line we are notifying adapter
             }
         });
 
+        //Deleting element in ListView
         binding.automaticList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                autoList.remove(position);
-                adapter.notifyDataSetChanged();
+                Boolean automaticOn = binding.startAutomatic.isChecked();
+                if(!automaticOn) {
+                    autoList.remove(position);
+                    adapter.notifyDataSetChanged();
+                }
             }
         });
-
         return root;
     }
 
 
     public String listToString(ArrayList<String> list){
         String result = "";
-        //if(!list.size().isEmptry()) {
+        if(!list.isEmpty()) {
             for (String s : list) {
                 result += s + ";";
             }
-        //}
+        }
         return result;
     }
 

MobileApp/app/src/main/java/com/example/lfrmobileapp/ui/home/HomeFragment.java

 
 public class HomeFragment extends Fragment {
 
+    //Keys for Shared Preferences
     String ipKey = "ipkey";
     String portKey = "portkey";
 
+    //Default Ip-Address and Port
     String ipAddress = "192.168.0.1";
     int port = 8000;
 
+    Communication com = new Communication();
+
     private FragmentManuellBinding binding;
 
     public View onCreateView(@NonNull LayoutInflater inflater,
         SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = sharedPref.edit();
 
+        //Get saved Ip-Adress and Port from Shared Preferences
         ipAddress = sharedPref.getString(ipKey, "");
         port = sharedPref.getInt(portKey, 0);
 
+        //Set text from Textview
         final TextView textView = binding.textHome;
         homeViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
 
+        binding.rotateLeft.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                com.sendData(com.telegram(new int[]{-1, 1, -1, 1}, 100), ipAddress, port);
+            };
+        });
+
+        binding.rotateRight.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                com.sendData(com.telegram(new int[]{1, -1, 1, -1}, 100), ipAddress, port);
+            };
+        });
+
         JoystickView joystick = (JoystickView) binding.joystick;
-        Communication com = new Communication();
         joystick.setOnMoveListener(new JoystickView.OnMoveListener() {
             @Override
             public void onMove(int angle, int strength) {
                 homeViewModel.setText(Integer.toString(angle), Integer.toString(strength));
+                //8 segments of the joystick
                 if((angle >= 338 || angle < 22) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.right);
+                    com.sendData(com.telegram(new int[]{1, -1, -1, 1}, strength), ipAddress, port);
                 }else if((angle >= 22 && angle < 67) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.right_forward);
+                    com.sendData(com.telegram(new int[]{1, 0, 0, 1}, strength), ipAddress, port);
                 }else if((angle >=67 && angle < 112) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.forward);
+                    com.sendData(com.telegram(new int[]{1, 1, 1, 1}, strength), ipAddress, port);
                 }else if((angle >=112 && angle < 157) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.left_forward);
+                    com.sendData(com.telegram(new int[]{0, 1, 1, 0}, strength), ipAddress, port);
                 }else if((angle >=157 && angle < 202) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.left);
+                    com.sendData(com.telegram(new int[]{-1, 1, 1, -1}, strength), ipAddress, port);
                 }else if((angle >=202 && angle < 247) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.left_back);
+                    com.sendData(com.telegram(new int[]{-1, 0, 0, -1}, strength), ipAddress, port);
                 }else if((angle >=247 && angle < 292) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.back);
+                    com.sendData(com.telegram(new int[]{-1, -1, -1, -1}, strength), ipAddress, port);
                 }else if((angle >=292 && angle < 337) && strength != 0){
                     joystick.setBackgroundResource(R.mipmap.right_back);
+                    com.sendData(com.telegram(new int[]{0, -1, -1, 0}, strength), ipAddress, port);
                 }
                 else{
                     joystick.setBackgroundResource(R.mipmap.blank);
+                    com.sendData(com.telegram(new int[]{0, 0, 0, 0}, strength), ipAddress, port);
                 }
-
-                com.sendData("Vanessa stinkt, Baran nicht", ipAddress, port);
             }
         });
 
         super.onDestroyView();
         binding = null;
     }
+}
 
-
-}