Add OnlineMode Action Listener.

src/MainFrame.java

@@ -39,6 +39,7 @@ public class MainFrame extends JFrame {
         add(mainPhoto, BorderLayout.NORTH);
         setVisible(true);
     }
+
     public void initButtons() {
 
         offlineModeIcon = new ImageIcon("pictures/offline.png");
@@ -67,6 +68,7 @@ public class MainFrame extends JFrame {
         items.add(settingButton);
         items.add(exitButton);
     }
+
     class ExitButtonAction implements ActionListener {
         @Override
         public void actionPerformed(ActionEvent e) {
@@ -74,12 +76,14 @@ public class MainFrame extends JFrame {
             new LoginFrame();
         }
     }
+
     class SettingButtonAction implements ActionListener {
         @Override
         public void actionPerformed(ActionEvent e) {
             new SettingFrame();
         }
     }
+
     class MouseAction extends MouseAdapter {
         @Override
         public void mouseEntered(MouseEvent e) {
@@ -102,7 +106,8 @@ public class MainFrame extends JFrame {
 
         }
     }
-    class OfflineModeAction implements ActionListener{
+
+    class OfflineModeAction implements ActionListener {
 
         @Override
         public void actionPerformed(ActionEvent e) {
@@ -110,7 +115,7 @@ public class MainFrame extends JFrame {
             JFrame dialogFrame = new JFrame("Change settings ");
             dialogFrame.setResizable(false);
             dialogFrame.setLayout(new FlowLayout());
-            dialogFrame.setBounds(700,450,300,85);
+            dialogFrame.setBounds(700, 450, 300, 85);
             JLabel settingLabel = new JLabel("Do you want to play with current setting ?");
             dialogFrame.add(settingLabel);
 
@@ -138,8 +143,16 @@ public class MainFrame extends JFrame {
             dialogFrame.setVisible(true);
 
         }
+
     }
 
+    class OnlineModeAction implements ActionListener {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            new OnlineModeFrame();
+        }
+    }
 
 
 }
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