Split ListHabitsFragment into smaller classes

app/src/main/java/org/isoron/uhabits/dialogs/HabitSelectionCallback.java

@@ -0,0 +1,268 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
+ * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You  should  have  received  a  copy  of the GNU General Public License
+ * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.view.ActionMode;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ProgressBar;
+
+import com.android.colorpicker.ColorPickerDialog;
+import com.android.colorpicker.ColorPickerSwatch;
+
+import org.isoron.helpers.ColorHelper;
+import org.isoron.helpers.DialogHelper;
+import org.isoron.helpers.ReplayableActivity;
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.commands.ArchiveHabitsCommand;
+import org.isoron.uhabits.commands.ChangeHabitColorCommand;
+import org.isoron.uhabits.commands.DeleteHabitsCommand;
+import org.isoron.uhabits.commands.UnarchiveHabitsCommand;
+import org.isoron.uhabits.fragments.EditHabitFragment;
+import org.isoron.uhabits.io.CSVExporter;
+import org.isoron.uhabits.loaders.HabitListLoader;
+import org.isoron.uhabits.models.Habit;
+
+import java.io.File;
+import java.util.LinkedList;
+import java.util.List;
+
+public class HabitSelectionCallback implements ActionMode.Callback
+{
+    private HabitListLoader loader;
+    private List<Integer> selectedPositions;
+    private ReplayableActivity activity;
+    private Listener listener;
+    private DialogHelper.OnSavedListener onSavedListener;
+    private ProgressBar progressBar;
+
+    public interface Listener
+    {
+        void onActionModeDestroyed(ActionMode mode);
+    }
+
+    public HabitSelectionCallback(ReplayableActivity activity, HabitListLoader loader)
+    {
+        this.activity = activity;
+        this.loader = loader;
+        selectedPositions = new LinkedList<>();
+    }
+
+    public void setListener(Listener listener)
+    {
+        this.listener = listener;
+    }
+
+    public void setProgressBar(ProgressBar progressBar)
+    {
+        this.progressBar = progressBar;
+    }
+
+    public void setOnSavedListener(DialogHelper.OnSavedListener onSavedListener)
+    {
+        this.onSavedListener = onSavedListener;
+    }
+
+    public void setSelectedPositions(List<Integer> selectedPositions)
+    {
+        this.selectedPositions = selectedPositions;
+    }
+
+    @Override
+    public boolean onCreateActionMode(ActionMode mode, Menu menu)
+    {
+        activity.getMenuInflater().inflate(R.menu.list_habits_context, menu);
+        updateTitle(mode);
+        updateActions(menu);
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode mode, Menu menu)
+    {
+        updateTitle(mode);
+        updateActions(menu);
+        return true;
+    }
+
+    private void updateActions(Menu menu)
+    {
+        boolean showEdit = (selectedPositions.size() == 1);
+        boolean showColor = true;
+        boolean showArchive = true;
+        boolean showUnarchive = true;
+
+        if (showEdit) showColor = false;
+        for (int i : selectedPositions)
+        {
+            Habit h = loader.habitsList.get(i);
+            if (h.isArchived())
+            {
+                showColor = false;
+                showArchive = false;
+            }
+            else showUnarchive = false;
+        }
+
+        MenuItem itemEdit = menu.findItem(R.id.action_edit_habit);
+        MenuItem itemColor = menu.findItem(R.id.action_color);
+        MenuItem itemArchive = menu.findItem(R.id.action_archive_habit);
+        MenuItem itemUnarchive = menu.findItem(R.id.action_unarchive_habit);
+
+        itemEdit.setVisible(showEdit);
+        itemColor.setVisible(showColor);
+        itemArchive.setVisible(showArchive);
+        itemUnarchive.setVisible(showUnarchive);
+    }
+
+    private void updateTitle(ActionMode mode)
+    {
+        mode.setTitle("" + selectedPositions.size());
+    }
+
+    @Override
+    public boolean onActionItemClicked(final ActionMode mode, MenuItem item)
+    {
+        final LinkedList<Habit> selectedHabits = new LinkedList<>();
+        for (int i : selectedPositions)
+            selectedHabits.add(loader.habitsList.get(i));
+
+        Habit firstHabit = selectedHabits.getFirst();
+
+        switch (item.getItemId())
+        {
+            case R.id.action_archive_habit:
+                activity.executeCommand(new ArchiveHabitsCommand(selectedHabits), null);
+                mode.finish();
+                return true;
+
+            case R.id.action_unarchive_habit:
+                activity.executeCommand(new UnarchiveHabitsCommand(selectedHabits), null);
+                mode.finish();
+                return true;
+
+            case R.id.action_edit_habit:
+            {
+                EditHabitFragment frag = EditHabitFragment.editSingleHabitFragment(firstHabit.getId());
+                frag.setOnSavedListener(onSavedListener);
+                frag.show(activity.getFragmentManager(), "dialog");
+                return true;
+            }
+
+            case R.id.action_color:
+            {
+                ColorPickerDialog picker = ColorPickerDialog.newInstance(R.string.color_picker_default_title,
+                        ColorHelper.palette, firstHabit.color, 4, ColorPickerDialog.SIZE_SMALL);
+
+                picker.setOnColorSelectedListener(new ColorPickerSwatch.OnColorSelectedListener()
+                        {
+                            public void onColorSelected(int color)
+                            {
+                                activity.executeCommand(
+                                        new ChangeHabitColorCommand(selectedHabits, color), null);
+                                mode.finish();
+                            }
+                        });
+                picker.show(activity.getFragmentManager(), "picker");
+                return true;
+            }
+
+            case R.id.action_delete:
+            {
+                new AlertDialog.Builder(activity).setTitle(R.string.delete_habits)
+                        .setMessage(R.string.delete_habits_message)
+                        .setPositiveButton(android.R.string.yes,
+                                new DialogInterface.OnClickListener()
+                                {
+                                    @Override
+                                    public void onClick(DialogInterface dialog, int which)
+                                    {
+                                        activity.executeCommand(
+                                                new DeleteHabitsCommand(selectedHabits), null);
+                                        mode.finish();
+                                    }
+                                }).setNegativeButton(android.R.string.no, null)
+                        .show();
+
+                return true;
+            }
+
+            case R.id.action_export_csv:
+            {
+                onExportHabitsClick(selectedHabits);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode mode)
+    {
+        if(listener != null) listener.onActionModeDestroyed(mode);
+    }
+
+    private void onExportHabitsClick(final LinkedList<Habit> selectedHabits)
+    {
+        new AsyncTask<Void, Void, Void>()
+        {
+            String filename;
+
+            @Override
+            protected void onPreExecute()
+            {
+                if(progressBar != null)
+                {
+                    progressBar.setIndeterminate(true);
+                    progressBar.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            protected void onPostExecute(Void aVoid)
+            {
+                if(filename != null)
+                {
+                    Intent intent = new Intent();
+                    intent.setAction(Intent.ACTION_SEND);
+                    intent.setType("application/zip");
+                    intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(filename)));
+
+                    activity.startActivity(intent);
+                }
+
+                if(progressBar != null)
+                    progressBar.setVisibility(View.GONE);
+            }
+
+            @Override
+            protected Void doInBackground(Void... params)
+            {
+                CSVExporter exporter = new CSVExporter(activity, selectedHabits);
+                filename = exporter.writeArchive();
+                return null;
+            }
+        }.execute();
+    }
+}

app/src/main/java/org/isoron/uhabits/dialogs/HintManager.java

@@ -0,0 +1,78 @@
+/* Copyright (C) 2016 Alinson Santos Xavier
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
+ * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You  should  have  received  a  copy  of the GNU General Public License
+ * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.view.View;
+import android.widget.TextView;
+
+import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
+
+public class HintManager
+{
+    private Context context;
+    private SharedPreferences prefs;
+    private View hintView;
+
+    public HintManager(Context context, View hintView)
+    {
+        this.context = context;
+        this.hintView = hintView;
+        prefs = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+
+    public void dismissHint()
+    {
+        hintView.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter()
+        {
+            @Override
+            public void onAnimationEnd(Animator animation)
+            {
+                hintView.setVisibility(View.GONE);
+            }
+        });
+    }
+
+    public void showHintIfAppropriate()
+    {
+        Integer lastHintNumber = prefs.getInt("last_hint_number", -1);
+        Long lastHintTimestamp = prefs.getLong("last_hint_timestamp", -1);
+
+        if (DateHelper.getStartOfToday() > lastHintTimestamp) showHint(lastHintNumber + 1);
+    }
+
+    private void showHint(int hintNumber)
+    {
+        String[] hints = context.getResources().getStringArray(R.array.hints);
+        if (hintNumber >= hints.length) return;
+
+        prefs.edit().putInt("last_hint_number", hintNumber).apply();
+        prefs.edit().putLong("last_hint_timestamp", DateHelper.getStartOfToday()).apply();
+
+        TextView tvContent = (TextView) hintView.findViewById(R.id.hintContent);
+        tvContent.setText(hints[hintNumber]);
+
+        hintView.setAlpha(0.0f);
+        hintView.setVisibility(View.VISIBLE);
+        hintView.animate().alpha(1f).setDuration(500);
+    }
+}

app/src/main/java/org/isoron/uhabits/fragments/EditHabitFragment.java

@@ -70,7 +70,7 @@ public class EditHabitFragment extends DialogFragment
     private SharedPreferences prefs;
     private boolean is24HourMode;
 
-    static EditHabitFragment editSingleHabitFragment(long id)
+    public static EditHabitFragment editSingleHabitFragment(long id)
     {
         EditHabitFragment frag = new EditHabitFragment();
         Bundle args = new Bundle();
@@ -80,7 +80,7 @@ public class EditHabitFragment extends DialogFragment
         return frag;
     }
 
-    static EditHabitFragment createHabitFragment()
+    public static EditHabitFragment createHabitFragment()
     {
         EditHabitFragment frag = new EditHabitFragment();
         Bundle args = new Bundle();

app/src/main/java/org/isoron/uhabits/fragments/ListHabitsFragment.java

@@ -16,19 +16,12 @@
 
 package org.isoron.uhabits.fragments;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.app.Activity;
-import android.app.AlertDialog;
 import android.app.Fragment;
 import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.Typeface;
-import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.util.DisplayMetrics;
@@ -53,31 +46,24 @@ import android.widget.LinearLayout.LayoutParams;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
-import com.android.colorpicker.ColorPickerDialog;
-import com.android.colorpicker.ColorPickerSwatch;
 import com.mobeta.android.dslv.DragSortController;
 import com.mobeta.android.dslv.DragSortListView;
 import com.mobeta.android.dslv.DragSortListView.DropListener;
 
-import org.isoron.helpers.ColorHelper;
 import org.isoron.helpers.Command;
 import org.isoron.helpers.DateHelper;
 import org.isoron.helpers.DialogHelper;
 import org.isoron.helpers.DialogHelper.OnSavedListener;
 import org.isoron.helpers.ReplayableActivity;
 import org.isoron.uhabits.R;
-import org.isoron.uhabits.commands.ArchiveHabitsCommand;
-import org.isoron.uhabits.commands.ChangeHabitColorCommand;
-import org.isoron.uhabits.commands.DeleteHabitsCommand;
 import org.isoron.uhabits.commands.ToggleRepetitionCommand;
-import org.isoron.uhabits.commands.UnarchiveHabitsCommand;
+import org.isoron.uhabits.dialogs.HabitSelectionCallback;
+import org.isoron.uhabits.dialogs.HintManager;
 import org.isoron.uhabits.helpers.ReminderHelper;
-import org.isoron.uhabits.io.CSVExporter;
 import org.isoron.uhabits.loaders.HabitListLoader;
 import org.isoron.uhabits.models.Habit;
 import org.isoron.uhabits.models.Score;
 
-import java.io.File;
 import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.LinkedList;
@@ -85,156 +71,13 @@ import java.util.List;
 
 public class ListHabitsFragment extends Fragment
         implements OnSavedListener, OnItemClickListener, OnLongClickListener, DropListener,
-        OnClickListener, HabitListLoader.Listener, AdapterView.OnItemLongClickListener
+        OnClickListener, HabitListLoader.Listener, AdapterView.OnItemLongClickListener,
+        HabitSelectionCallback.Listener
 {
-    private class ListHabitsActionBarCallback implements ActionMode.Callback
-    {
-        @Override
-        public boolean onCreateActionMode(ActionMode mode, Menu menu)
-        {
-            getActivity().getMenuInflater().inflate(R.menu.list_habits_context, menu);
-            updateTitle(mode);
-            updateActions(menu);
-            return true;
-        }
-
-        @Override
-        public boolean onPrepareActionMode(ActionMode mode, Menu menu)
-        {
-            updateTitle(mode);
-            updateActions(menu);
-            return true;
-        }
-
-        private void updateActions(Menu menu)
-        {
-            boolean showEdit = (selectedPositions.size() == 1);
-            boolean showColor = true;
-            boolean showArchive = true;
-            boolean showUnarchive = true;
-
-            if(showEdit) showColor = false;
-            for(int i : selectedPositions)
-            {
-                Habit h = loader.habitsList.get(i);
-                if(h.isArchived())
-                {
-                    showColor = false;
-                    showArchive = false;
-                }
-                else showUnarchive = false;
-            }
-
-            MenuItem itemEdit = menu.findItem(R.id.action_edit_habit);
-            MenuItem itemColor = menu.findItem(R.id.action_color);
-            MenuItem itemArchive = menu.findItem(R.id.action_archive_habit);
-            MenuItem itemUnarchive = menu.findItem(R.id.action_unarchive_habit);
-
-            itemEdit.setVisible(showEdit);
-            itemColor.setVisible(showColor);
-            itemArchive.setVisible(showArchive);
-            itemUnarchive.setVisible(showUnarchive);
-        }
-
-        private void updateTitle(ActionMode mode)
-        {
-            mode.setTitle("" + selectedPositions.size());
-        }
-
-        @Override
-        public boolean onActionItemClicked(final ActionMode mode, MenuItem item)
-        {
-            final LinkedList<Habit> selectedHabits = new LinkedList<>();
-            for(int i : selectedPositions)
-                selectedHabits.add(loader.habitsList.get(i));
-
-            Habit firstHabit = selectedHabits.getFirst();
-
-            switch(item.getItemId())
-            {
-                case R.id.action_archive_habit:
-                    executeCommand(new ArchiveHabitsCommand(selectedHabits), null);
-                    mode.finish();
-                    return true;
-
-                case R.id.action_unarchive_habit:
-                    executeCommand(new UnarchiveHabitsCommand(selectedHabits), null);
-                    mode.finish();
-                    return true;
-
-                case R.id.action_edit_habit:
-                {
-                    EditHabitFragment frag = EditHabitFragment.editSingleHabitFragment(firstHabit.getId());
-                    frag.setOnSavedListener(ListHabitsFragment.this);
-                    frag.show(getFragmentManager(), "dialog");
-                    return true;
-                }
-
-                case R.id.action_color:
-                {
-                    ColorPickerDialog picker = ColorPickerDialog.newInstance(
-                            R.string.color_picker_default_title, ColorHelper.palette,
-                            firstHabit.color, 4, ColorPickerDialog.SIZE_SMALL);
-
-                    picker.setOnColorSelectedListener(new ColorPickerSwatch.OnColorSelectedListener()
-                    {
-                        public void onColorSelected(int color)
-                        {
-                            executeCommand(new ChangeHabitColorCommand(selectedHabits, color), null);
-                            mode.finish();
-                        }
-                    });
-                    picker.show(getFragmentManager(), "picker");
-                    return true;
-                }
-
-                case R.id.action_delete:
-                {
-                    new AlertDialog.Builder(activity)
-                            .setTitle(R.string.delete_habits)
-                            .setMessage(R.string.delete_habits_message)
-                            .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener()
-                            {
-                                @Override
-                                public void onClick(DialogInterface dialog, int which)
-                                {
-                                    executeCommand(new DeleteHabitsCommand(selectedHabits), null);
-                                    mode.finish();
-                                }
-                            }).setNegativeButton(android.R.string.no, null)
-                            .show();
-
-                    return true;
-                }
-
-                case R.id.action_export_csv:
-                {
-                    onExportHabitsClick(selectedHabits);
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        @Override
-        public void onDestroyActionMode(ActionMode mode)
-        {
-            actionMode = null;
-
-            selectedPositions.clear();
-            adapter.notifyDataSetChanged();
-
-            listView.setDragEnabled(true);
-        }
-    }
 
     public static final int INACTIVE_COLOR = Color.rgb(200, 200, 200);
     public static final int INACTIVE_CHECKMARK_COLOR = Color.rgb(230, 230, 230);
 
-    public static final int HINT_INTERVAL = 5;
-    public static final int HINT_INTERVAL_OFFSET = 2;
-
     public interface OnHabitClickListener
     {
         void onHabitClicked(Habit habit);
@@ -249,7 +92,6 @@ public class ListHabitsFragment extends Fragment
     private int tvNameWidth;
     private int buttonCount;
     private View llEmpty;
-    private View llHint;
 
     private OnHabitClickListener habitClickListener;
     private boolean isShortToggleEnabled;
@@ -260,9 +102,10 @@ public class ListHabitsFragment extends Fragment
 
     private ActionMode actionMode;
     private List<Integer> selectedPositions;
-    private DragSortController dragSortController;
     private ProgressBar progressBar;
 
+    private HintManager hintManager;
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState)
@@ -302,26 +145,29 @@ public class ListHabitsFragment extends Fragment
             }
         });
 
-        dragSortController = new DragSortController(listView) {
+        DragSortController dragSortController = new DragSortController(listView)
-                @Override
+        {
-                public View onCreateFloatView(int position)
+            @Override
-                {
+            public View onCreateFloatView(int position)
-                     return adapter.getView(position, null, null);
+            {
-                }
+                return adapter.getView(position, null, null);
+            }
 
             @Override
             public void onDestroyFloatView(View floatView)
             {
             }
         };
+
         dragSortController.setRemoveEnabled(false);
 
         listView.setFloatViewManager(dragSortController);
         listView.setDragEnabled(true);
         listView.setLongClickable(true);
 
-        llHint = view.findViewById(R.id.llHint);
+        View llHint = view.findViewById(R.id.llHint);
         llHint.setOnClickListener(this);
+        hintManager = new HintManager(activity, llHint);
 
         Typeface fontawesome = Typeface.createFromAsset(getActivity().getAssets(),
                 "fontawesome-webfont.ttf");
@@ -332,7 +178,6 @@ public class ListHabitsFragment extends Fragment
         setHasOptionsMenu(true);
 
         selectedPositions = new LinkedList<>();
-
         return view;
     }
 
@@ -358,7 +203,7 @@ public class ListHabitsFragment extends Fragment
 
         updateEmptyMessage();
         updateHeader();
-        showNextHint();
+        hintManager.showHintIfAppropriate();
 
         adapter.notifyDataSetChanged();
         isShortToggleEnabled = prefs.getBoolean("pref_short_toggle", false);
@@ -485,8 +330,13 @@ public class ListHabitsFragment extends Fragment
 
         if(actionMode == null)
         {
-            actionMode = getActivity().startActionMode(new ListHabitsActionBarCallback());
+            HabitSelectionCallback callback = new HabitSelectionCallback(activity, loader);
-//            listView.setDragEnabled(false);
+            callback.setSelectedPositions(selectedPositions);
+            callback.setProgressBar(progressBar);
+            callback.setOnSavedListener(this);
+            callback.setListener(this);
+
+            actionMode = getActivity().startActionMode(callback);
         }
 
         if(actionMode != null) actionMode.invalidate();
@@ -555,43 +405,6 @@ public class ListHabitsFragment extends Fragment
         activity.executeCommand(c, refreshKey);
     }
 
-    private void hideHint()
-    {
-        llHint.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter()
-        {
-            @Override
-            public void onAnimationEnd(Animator animation)
-            {
-                llHint.setVisibility(View.GONE);
-            }
-        });
-    }
-
-    private void showNextHint()
-    {
-        Integer lastHintNumber = prefs.getInt("last_hint_number", -1);
-        Long lastHintTimestamp = prefs.getLong("last_hint_timestamp", -1);
-
-        if(DateHelper.getStartOfToday() > lastHintTimestamp)
-            showHint(lastHintNumber + 1);
-    }
-
-    private void showHint(int hintNumber)
-    {
-        String[] hints = activity.getResources().getStringArray(R.array.hints);
-        if(hintNumber >= hints.length) return;
-
-        prefs.edit().putInt("last_hint_number", hintNumber).apply();
-        prefs.edit().putLong("last_hint_timestamp", DateHelper.getStartOfToday()).apply();
-
-        TextView tvContent = (TextView) llHint.findViewById(R.id.hintContent);
-        tvContent.setText(hints[hintNumber]);
-
-        llHint.setAlpha(0.0f);
-        llHint.setVisibility(View.VISIBLE);
-        llHint.animate().alpha(1f).setDuration(500);
-    }
-
     @Override
     public void drop(int from, int to)
     {
@@ -614,7 +427,7 @@ public class ListHabitsFragment extends Fragment
                 break;
 
             case R.id.llHint:
-                hideHint();
+                hintManager.dismissHint();
                 break;
         }
     }
@@ -798,42 +611,11 @@ public class ListHabitsFragment extends Fragment
         else loader.updateHabit(refreshKey);
     }
 
-    private void onExportHabitsClick(final LinkedList<Habit> selectedHabits)
+    public void onActionModeDestroyed(ActionMode mode)
     {
-        new AsyncTask<Void, Void, Void>()
+        actionMode = null;
-        {
+        selectedPositions.clear();
-            String filename;
+        adapter.notifyDataSetChanged();
-
+        listView.setDragEnabled(true);
-            @Override
-            protected void onPreExecute()
-            {
-                progressBar.setIndeterminate(true);
-                progressBar.setVisibility(View.VISIBLE);
-            }
-
-            @Override
-            protected void onPostExecute(Void aVoid)
-            {
-                if(filename != null)
-                {
-                    Intent intent = new Intent();
-                    intent.setAction(Intent.ACTION_SEND);
-                    intent.setType("application/zip");
-                    intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(filename)));
-
-                    startActivity(intent);
-                }
-
-                progressBar.setVisibility(View.GONE);
-            }
-
-            @Override
-            protected Void doInBackground(Void... params)
-            {
-                CSVExporter exporter = new CSVExporter(activity, selectedHabits);
-                filename = exporter.writeArchive();
-                return null;
-            }
-        }.execute();
     }
 }