Added Missing files (SocketCommunicator)

Android/.gitignore

@@ -1,5 +1,6 @@
 # Built application files
 /app/*
+!/app/src
 /build/*
 
 # Crashlytics configuations

Android/app/src/main/java/dev/kamilklecha/autoswitchmobile/Settings.java

@@ -0,0 +1,24 @@
+package dev.kamilklecha.autoswitchmobile;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+
+public class Settings extends AppCompatActivity {
+
+    Button b;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_settings);
+        b = findViewById(R.id.Settings_btn);
+        b.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Settings.this.finish();
+            }
+        });
+    }
+}

Android/app/src/main/java/dev/kamilklecha/autoswitchmobile/SocketCommunicator.java

@@ -0,0 +1,101 @@
+package dev.kamilklecha.autoswitchmobile;
+
+import android.os.Handler;
+import android.os.NetworkOnMainThreadException;
+import android.util.Log;
+import android.widget.TextView;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.net.Socket;
+
+public class SocketCommunicator {
+
+    private static final String TAG = "SocketCommunicator";
+    Socket s;
+
+    private TextView tv;
+
+    private OutputStream out;
+    private PrintWriter output;
+    final Handler handler = new Handler();
+
+    public SocketCommunicator(TextView textView, final String SERVER_IP, final int SERVERPORT) {
+        tv = textView;
+        Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    s = new Socket(SERVER_IP, SERVERPORT);
+                    out = s.getOutputStream();
+                    output = new PrintWriter(out);
+
+                    startReceiver();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        thread.start();
+    }
+
+    public void sendMessage(final String msg) {
+        Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    output.println(msg);
+                    output.flush();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        thread.start();
+    }
+
+    public void startReceiver() {
+        Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                boolean exception = false;
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+                while (!exception) {
+                    try {
+                        BufferedReader input = new BufferedReader(new InputStreamReader(s.getInputStream()));
+                        final String st = input.readLine();
+
+                        handler.post(new Runnable() {
+                            @Override
+                            public void run() {
+
+                                if (st.trim().length() != 0)
+                                    tv.setText("From Server: " + st);
+                            }
+                        });
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                        exception = true;
+                    } catch (NetworkOnMainThreadException e) {
+                        Log.e(TAG, "startReceiver: NetworkOnMainThreadException");
+                        e.printStackTrace();
+                        exception = true;
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                        exception = true;
+                    }
+                }
+            }
+        });
+            thread.start();
+    }
+}

Android/app/src/main/res/layout/activity_settings.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Settings" >
+
+    <Button
+        android:id="@+id/Settings_btn"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        android:text="Wróć"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>