Made some minor improvements

app/src/main/java/se/liu/vikro145/bluetoothcontrol/CommandButton.java

@@ -51,6 +51,10 @@ public class CommandButton {
         }
     }
 
+    public void setEnabled(boolean enabled) {
+        btn.setEnabled(enabled);
+    }
+
     public void setConnectedThread(MainActivity.ConnectedThread connectedThread) {
         this.connectedThread = connectedThread;
     }

app/src/main/java/se/liu/vikro145/bluetoothcontrol/MainActivity.java

@@ -34,18 +34,25 @@ public class MainActivity extends AppCompatActivity {
     public static ConnectedThread connectedThread;
     public static CreateConnectThread createConnectThread;
 
-    private CommandButton fwd, right, bwd, left, stop;
+    private CommandButton fwd, right, bwd, left, stop, fwdRight, fwdLeft;
 
     private final static int CONNECTING_STATUS = 1; // used in bluetooth handler to identify message status
     private final static int MESSAGE_READ = 2; // used in bluetooth handler to identify message update
 
     // Help function for disabling / enabling buttons
-    private void toggleButtonsState(Button[] buttons, boolean turnOn) {
-        for (Button btn : buttons) {
+    private void toggleButtonsState(CommandButton[] buttons, boolean turnOn) {
+        for (CommandButton btn : buttons) {
             btn.setEnabled(turnOn); // Disable / enable all buttons
         }
     }
 
+    // Help function for setting connected thread command buttons
+    private void setButtonsThread(CommandButton[] buttons, ConnectedThread connectedThread) {
+        for (CommandButton btn : buttons) {
+            btn.setConnectedThread(connectedThread); // Set connectedThread
+        }
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -65,8 +72,20 @@ public class MainActivity extends AppCompatActivity {
         final Button buttonBackward = findViewById(R.id.buttonBackward);
         final Button buttonLeft = findViewById(R.id.buttonLeft);
         final Button buttonStop = findViewById(R.id.buttonStop);
+        final Button buttonFwdRight = findViewById(R.id.buttonFwdRight);
+        final Button buttonFwdLeft = findViewById(R.id.buttonFwdLeft);
 
-        final Button[] buttons = {buttonForward, buttonRight, buttonBackward, buttonLeft, buttonStop};
+        // Direction buttons
+        fwd = new CommandButton(buttonForward, "f");
+        right = new CommandButton(buttonRight, "r");
+        bwd = new CommandButton(buttonBackward, "b");
+        left = new CommandButton(buttonLeft, "l");
+        stop = new CommandButton(buttonStop, "s");
+        fwdLeft = new CommandButton(buttonFwdLeft, "o");
+        fwdRight = new CommandButton(buttonFwdRight, "p");
+
+        // Add new buttons to this list (array)
+        final CommandButton[] buttons = {fwd, right, bwd ,left, stop, fwdRight, fwdLeft};
 
         toggleButtonsState(buttons,false); // Set buttons to be disabled
 
@@ -75,7 +94,7 @@ public class MainActivity extends AppCompatActivity {
         if (deviceName != null){
             // Get the device address to make BT Connection
             deviceAddress = getIntent().getStringExtra("deviceAddress");
-            // Show progree and connection status
+            // Show progress and connection status
             toolbar.setSubtitle("Connecting to " + deviceName + "...");
             progressBar.setVisibility(View.VISIBLE);
             buttonConnect.setEnabled(false);
@@ -107,11 +126,7 @@ public class MainActivity extends AppCompatActivity {
                                 toggleButtonsState(buttons, true);
 
                                 // Assign DirectionButtons the newly created connectedThread
-                                fwd.setConnectedThread(connectedThread);
-                                right.setConnectedThread(connectedThread);
-                                bwd.setConnectedThread(connectedThread);
-                                left.setConnectedThread(connectedThread);
-                                stop.setConnectedThread(connectedThread);
+                                setButtonsThread(buttons, connectedThread);
                                 break;
                             case -1:
                                 toolbar.setSubtitle("Device failed to connect");
@@ -140,13 +155,6 @@ public class MainActivity extends AppCompatActivity {
                 startActivity(intent);
             }
         });
-
-        // Direction buttons
-        fwd = new CommandButton(buttonForward, "f");
-        right = new CommandButton(buttonRight, "r");
-        bwd = new CommandButton(buttonBackward, "b");
-        left = new CommandButton(buttonLeft, "l");
-        stop = new CommandButton(buttonStop, "s");
     }
 
     /* ============================ Thread to Create Bluetooth Connection =================================== */

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

@@ -46,6 +46,32 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <Button
+        android:id="@+id/buttonFwdRight"
+        style="@style/Widget.AppCompat.Button.Colored"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:layout_marginTop="184dp"
+        android:text="FWD RIGHT"
+        android:textSize="22sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.903"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/buttonFwdLeft"
+        style="@style/Widget.AppCompat.Button.Colored"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:layout_marginTop="184dp"
+        android:text="FWD LEFT"
+        android:textSize="22sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.096"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <Button
         android:id="@+id/buttonStop"
         android:background="@color/colorRed"