Help with building a simple app.

So I'm a delivery driver for a catering company and am very passionate about Windows Phone. I'd love to be able to use app studio to be able to create an app to do some miscellaneous things such as recording my mileage everyday. That really is my main focus
of the app and I figure down the road I'll add more features but first I'm just trying to figure out where to start. I'm thinking it would be easy enough to develop in HTML 5 considering all the app is essentially going to do is the following.
1. Add my starting mileage for the day
2. Add my ending mileage for the day
3. List those mileages by date
Any help guiding me where to start would be extremely appreciated. Thank you much!

Hi themkaufman,
I would like to move your question to App studio forum for a better support.
Thanks for your understanding.
--James
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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    import java.awt.event.*;
    import javax.swing.*;
    import javax.swing.tree.*;
    import javax.swing.event.*;
    import java.net.*;
    import java.io.*;
    import java.util.*;
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         *pane
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         protected Thread bgThread;
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         public String brokenUrl;
         public String goodUrl;
         public String deadUrl;
         protected DefaultMutableTreeNode rootNode;
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         start.setText("Start");
         start.setActionCommand("Start");
         toolBar.add(start);
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              start.addActionListener(startListener);
              cancel.setText("Cancel");
         cancel.setActionCommand("Cancel");
         toolBar.add(cancel);
         ButtonListener cancelListener = new ButtonListener();
              cancel.addActionListener(cancelListener);
              close.setText("Close");
         close.setActionCommand("Close");
         toolBar.add(close);
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              close.addActionListener(closeListener);
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              urlLabel.setBounds(100,36,288,24);
              formTab.add(urlLabel);
              url.setBounds(170,36,288,24);
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              current.setText("Currently Processing: ");
              current.setBounds(100,80,288,24);
              formTab.add(current);
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         errorPane.setAutoscrolls(true);
         errorPane.setHorizontalScrollBarPolicy(javax.swing.
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         errorPane.setVerticalScrollBarPolicy(javax.swing.
         ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
         errorPane.setOpaque(true);
         errorTab.add(errorPane);
         errorPane.setBounds(0,0,580,490);
         errorText.setEditable(false);
         errorPane.getViewport().add(errorText);
         errorText.setBounds(0,0,600,550);
         treePane.setAutoscrolls(true);
         treePane.setHorizontalScrollBarPolicy(javax.swing.
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         treePane.setVerticalScrollBarPolicy(javax.swing.
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         treePane.setOpaque(true);
         treeTab.add(treePane);
         treePane.setBounds(0,0,580,490);
         treeText.setEditable(false);
         treePane.getViewport().add(treeText);
         treeText.setBounds(0,0,600,550);
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         rootNode = new DefaultMutableTreeNode("Root Node");
         treeModel = new DefaultTreeModel(rootNode);
         treeModel.addTreeModelListener(new MyTreeModelListener());
         tree = new JTree(treeModel);
         tree.setEditable(true);
         tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
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         treeText.add(tree);
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    treeTab.setLayout(null);
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              javax.swing.JPanel toolBar = new javax.swing.JPanel();
              javax.swing.JButton start = new javax.swing.JButton();
              javax.swing.JButton cancel = new javax.swing.JButton();
              javax.swing.JButton close = new javax.swing.JButton();      
              javax.swing.JTabbedPane centerPane = new javax.swing.JTabbedPane();
              javax.swing.JPanel formTab = new javax.swing.JPanel();
              javax.swing.JLabel urlLabel = new javax.swing.JLabel();
              javax.swing.JLabel current = new javax.swing.JLabel();
              javax.swing.JTextField url = new javax.swing.JTextField();
              javax.swing.JPanel errorTab = new javax.swing.JPanel();
              javax.swing.JTextArea errorText = new javax.swing.JTextArea();
              javax.swing.JScrollPane errorPane = new javax.swing.JScrollPane();
              javax.swing.JPanel treeTab = new javax.swing.JPanel();
              javax.swing.JTextArea treeText = new javax.swing.JTextArea();
              javax.swing.JScrollPane treePane = new javax.swing.JScrollPane();
              javax.swing.JTree tree = new javax.swing.JTree();
              *show the gui
              public static void main(String args[])
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         *listen for the button presses and set the
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         class ButtonListener implements ActionListener
              public void actionPerformed(ActionEvent event)
                   Object object = event.getSource();
                   if (object == start)
                        run = true;
                        startActionPerformed(event);
                   if (object == cancel)
                        run = false;
                        startActionPerformed(event);
                   if (object == close)
                        System.exit(0);
         *this method is called when the start or
         *cancel button is pressed.
         void startActionPerformed (ActionEvent event)
              if (run == true && bgThread == null)
                   bgThread = new Thread(this);
                   bgThread.start();
                   //new line of code
                   treeText.addObject(msgInfo);
              if (run == false && bgThread != null)
                   webSpider.cancel();
         *this mehtod will start the background thred.
         *the background thread is required so that the
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         public void run()
              try
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                   webSpider.clear();
                   urlInput = new URL(url.getText());
                   webSpider.addURL(urlInput);
                   webSpider.run();
                   bgThread = null;
              catch (MalformedURLException e)
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                   addErr.addMsg = "URL ERROR - PLEASE CHECK";
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                   goodUrl = url.toString();
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                   return false;
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              *this method is called when an email
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                        errorText.append(addMsg);
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                        errorText.append(navMsg);
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                   public String dEMsg;
                   public void run()
                        errorText.append(dEMsg);
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              //new line
              public String msgInfo = msg;
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                   current.setText("Currently Processing: " + msg );
         * NEW CODE
         * NEED THIS CODE SOMEWHERE
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         if (parentPath == null)
         parentNode = rootNode;
         else
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         public DefaultMutableTreeNode addObject(DefaultMutableTreeNode parent,
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         return addObject(parent, child, false);
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