Added refresh button and control disabling.

app/src/main/java/com/stan220/ztef660control/MainActivity.java

@@ -6,7 +6,6 @@ import android.os.AsyncTask;
 import android.os.Bundle;
 import android.text.method.ScrollingMovementMethod;
 import android.view.View;
-import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -51,20 +50,36 @@ public class MainActivity extends AppCompatActivity {
         }));
 
         System.out.println("App started!!!");
-        new DownloadFilesTask(this).execute();
+    }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        System.out.println("App resumed!!!");
+        new DownloadFilesTask(this).execute();
     }
 
     public void onSwitchClick(View view) {
-        System.out.println("### click: " + view);
+        System.out.println("### switch clicked: " + view);
         new DownloadFilesTask(this).execute((SwitchMaterial) view);
     }
 
+    public void onRefreshButtonClick(View view) {
+        System.out.println("### refresh clicked: " + view);
+        new DownloadFilesTask(this).execute();
+    }
+
     private static class DownloadFilesTask extends AsyncTask<SwitchMaterial, Void, List<String>> {
 
         private MainActivity context;
 
         public DownloadFilesTask(MainActivity context) {
+            context.findViewById(R.id.switchTab).setEnabled(false);
+            context.findViewById(R.id.switchTv).setEnabled(false);
+            context.findViewById(R.id.switchAlisa).setEnabled(false);
+            context.findViewById(R.id.button_refresh).setEnabled(false);
+
             this.context = context;
         }
 
@@ -72,7 +87,7 @@ public class MainActivity extends AppCompatActivity {
         protected List<String> doInBackground(SwitchMaterial... switches) {
             List<String> result = new ArrayList<>();
 
-            Socket s = null;
+            Socket s;
             try {
                 s = new Socket(InetAddress.getByName("192.168.100.1"), 23);
 
@@ -170,7 +185,12 @@ public class MainActivity extends AppCompatActivity {
                 switchAlisa.setChecked(false);
             }
 
-            Toast.makeText(context, "Состояние обновлено!", Toast.LENGTH_LONG).show();
+            context.findViewById(R.id.switchTab).setEnabled(true);
+            context.findViewById(R.id.switchTv).setEnabled(true);
+            context.findViewById(R.id.switchAlisa).setEnabled(true);
+            context.findViewById(R.id.button_refresh).setEnabled(true);
+
+            Toast.makeText(context, "Статус обновлён!", Toast.LENGTH_LONG).show();
         }
 
     }

app/src/main/res/layout/activity_main.xml

@@ -5,12 +5,23 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    android:orientation="vertical">
+    android:foregroundGravity="fill"
+    android:orientation="vertical"
+    android:padding="20dp">
+
+    <Button
+        android:id="@+id/button_refresh"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:enabled="false"
+        android:onClick="onRefreshButtonClick"
+        android:text="Обновить" />
 
     <com.google.android.material.switchmaterial.SwitchMaterial
         android:id="@+id/switchTab"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:enabled="false"
         android:onClick="onSwitchClick"
         android:text="Tab"
         app:useMaterialThemeColors="true" />
@@ -19,6 +30,7 @@
         android:id="@+id/switchTv"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:enabled="false"
         android:onClick="onSwitchClick"
         android:text="TV"
         app:useMaterialThemeColors="true" />
@@ -27,6 +39,7 @@
         android:id="@+id/switchAlisa"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:enabled="false"
         android:onClick="onSwitchClick"
         android:text="Alisa"
         app:useMaterialThemeColors="true" />
@@ -34,7 +47,8 @@
     <TextView
         android:id="@+id/textView"
         android:layout_width="match_parent"
-        android:layout_height="586dp"
+        android:layout_height="538dp"
+        android:layout_gravity="fill"
         android:fadeScrollbars="false"
         android:gravity="bottom"
         android:isScrollContainer="true"