1 files changed, 185 insertions, 0 deletions
diff --git a/Android/05-UserInterface/UILab/src/course/labs/todomanager/ToDoManagerActivity.java b/Android/05-UserInterface/UILab/src/course/labs/todomanager/ToDoManagerActivity.java
new file mode 100644
index 0000000..fe8d9eb
--- /dev/null
+++ b/Android/05-UserInterface/UILab/src/course/labs/todomanager/ToDoManagerActivity.java
@@ -0,0 +1,185 @@
+package course.labs.todomanager;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.text.ParseException;
+import java.util.Date;
+
+import android.app.ListActivity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.TextView;
+import course.labs.todomanager.ToDoItem.Priority;
+import course.labs.todomanager.ToDoItem.Status;
+
+public class ToDoManagerActivity extends ListActivity {
+
+    // Add a ToDoItem Request Code
+    private static final int ADD_TODO_ITEM_REQUEST = 0;
+
+    private static final String FILE_NAME = "TodoManagerActivityData.txt";
+    private static final String TAG = "Lab-UserInterface";
+
+    // IDs for menu items
+    private static final int MENU_DELETE = Menu.FIRST;
+    private static final int MENU_DUMP = Menu.FIRST + 1;
+
+    ToDoListAdapter mAdapter;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Create a new TodoListAdapter for this ListActivity's ListView
+        mAdapter = new ToDoListAdapter(getApplicationContext());
+
+        // Put divider between ToDoItems and FooterView
+        getListView().setFooterDividersEnabled(true);
+
+        //TODO - Inflate footerView for footer_view.xml file
+        TextView footerView = null;
+        //TODO - Add footerView to ListView
+
+        footerView.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                log("Entered footerView.OnClickListener.onClick()");
+                //TODO - Attach Listener to FooterView. Implement onClick().
+            }
+        });
+
+        //TODO - Attach the adapter to this ListActivity's ListView
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        log("Entered onActivityResult()");
+
+        // TODO - Check result code and request code.
+        // If user submitted a new ToDoItem
+        // Create a new ToDoItem from the data Intent
+        // and then add it to the adapter
+    }
+
+    // Do not modify below here
+    @Override
+    public void onResume() {
+        super.onResume();
+        // Load saved ToDoItems, if necessary
+        if (mAdapter.getCount() == 0)
+            loadItems();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        // Save ToDoItems
+        saveItems();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+        menu.add(Menu.NONE, MENU_DELETE, Menu.NONE, "Delete all");
+        menu.add(Menu.NONE, MENU_DUMP, Menu.NONE, "Dump to log");
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case MENU_DELETE:
+                mAdapter.clear();
+                return true;
+            case MENU_DUMP:
+                dump();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    private void dump() {
+        for (int i = 0; i < mAdapter.getCount(); i++) {
+            String data = ((ToDoItem) mAdapter.getItem(i)).toLog();
+            log("Item " + i + ": " + data.replace(ToDoItem.ITEM_SEP, ","));
+        }
+    }
+
+    // Load stored ToDoItems
+    private void loadItems() {
+        BufferedReader reader = null;
+        try {
+            FileInputStream fis = openFileInput(FILE_NAME);
+            reader = new BufferedReader(new InputStreamReader(fis));
+
+            String title = null;
+            String priority = null;
+            String status = null;
+            Date date = null;
+
+            while (null != (title = reader.readLine())) {
+                priority = reader.readLine();
+                status = reader.readLine();
+                date = ToDoItem.FORMAT.parse(reader.readLine());
+                mAdapter.add(new ToDoItem(title, Priority.valueOf(priority),
+                            Status.valueOf(status), date));
+            }
+
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (ParseException e) {
+            e.printStackTrace();
+        } finally {
+            if (null != reader) {
+                try {
+                    reader.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    // Save ToDoItems to file
+    private void saveItems() {
+        PrintWriter writer = null;
+        try {
+            FileOutputStream fos = openFileOutput(FILE_NAME, MODE_PRIVATE);
+            writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter( fos)));
+            for (int idx = 0; idx < mAdapter.getCount(); idx++) {
+                writer.println(mAdapter.getItem(idx));
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (null != writer) {
+                writer.close();
+            }
+        }
+    }
+
+    private void log(String msg) {
+        try {
+            Thread.sleep(500);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        Log.i(TAG, msg);
+    }
+}