protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Navigation);
// Create an instance of Preferences which will manage the shared preferences in Android.
_Preferences = new Preferences();
// Set up the navigation drawer.
CreateNavigationMenu();
if (bundle == null)
{
// Show the Daily Planner by default.
// Create an instance of the fragment.
Fragment fragment = new PlannerDailyFragment();
// Use the FragmentManager to assign the fragment to the content layout.
//FragmentManager fragmentManager = this.FragmentManager;
FragmentManager.BeginTransaction()
.Replace(Resource.Id.content, fragment)
.Commit();
}
}
private void SelectItem(object sender, AdapterView.ItemClickEventArgs e)
{
Fragment fragment = null;
switch (e.Position)
{
case 0:
fragment = new PlannerDailyFragment();
break;
case 1:
fragment = new PlannerWeeklyFragment();
break;
case 2:
fragment = new SettingsFragment();
break;
case 3:
//TODO logout here
if (!_Preferences.DemoMode)
{
// Make sure we're not running in demo mode, then logout and redirect to the login fragment.
Logout();
// Destroy the local cookie.
_Preferences.AuthenticationCookie = default(Cookie);
fragment = new LoginFragment();
}
break;
}
if (fragment != null)
{
// Load the requested fragment.
FragmentManager.BeginTransaction()
.Replace(Resource.Id.content, fragment)
.AddToBackStack(null)
.Commit();
}
}
private async void Save_OnClick(object sender, EventArgs e)
{
try
{
// Prepare the ActivityLog backend object.
BackendActivityLog backend = new BackendActivityLog();
// Get data from the UI
TimePicker startTime = View.FindViewById <TimePicker>(Resource.Id.tpStartTime);
TimePicker endTime = View.FindViewById <TimePicker>(Resource.Id.tpEndTime);
// Create timespan's that hold the updated time for this activity log.
TimeSpan newStartTime = new TimeSpan(startTime.Hour, startTime.Minute, 0);
TimeSpan newEndTime = new TimeSpan(endTime.Hour, endTime.Minute, 0);
// Update the startStart and endTimes.
DateTime modStart = _ActivityLogs[_ActivityLogIndex].StartTime.Date + newStartTime;
DateTime modEnd = _ActivityLogs[_ActivityLogIndex].EndTime.Date + newEndTime;
// Check if Demo mode is enabled, if not - update the acitivity log in the backend.
// Otherwise, update the activity log and send it back to the Planner activity.
if (!_Preferences.DemoMode)
{
// Submit these changes to the backend.
await backend.Update(_ActivityLogs[_ActivityLogIndex].ActivityLogId, modStart, modEnd);
}
else
{
// Update the activity log.
_ActivityLogs[_ActivityLogIndex].StartTime = modStart;
_ActivityLogs[_ActivityLogIndex].EndTime = modEnd;
// Save the activity logs to disk so they can be view on the planner.
CacheActivityLogs();
}
// Return to the previous fragment.
FragmentTransaction fragmentTransaction = FragmentManager.BeginTransaction();
Fragment fragment;
// Create an instance of the planner fragment based on the senders view type (weekly or daily).
if (_PlannerMode == PlannerFragment.DAILY_VIEW)
{
fragment = new PlannerDailyFragment();
}
else
{
fragment = new PlannerWeeklyFragment();
}
// Create a bundle that can be passed back to the planner.
Bundle fragmentBundle = new Bundle();
// Send the activity log's date back to the planner, so that the updated log is in the view.
fragmentBundle.PutInt("viewDateYear", _ActivityLogs[_ActivityLogIndex].StartTime.Year);
fragmentBundle.PutInt("viewDateMonth", _ActivityLogs[_ActivityLogIndex].StartTime.Month);
fragmentBundle.PutInt("viewDateDay", _ActivityLogs[_ActivityLogIndex].StartTime.Day);
// Attach the bundle to the fragment and commit it.
fragment.Arguments = fragmentBundle;
fragmentTransaction.Replace(Resource.Id.content, fragment).Commit();
}
catch (System.Net.WebException ex)
{
if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.Unauthorized)
{
// The user is not logged in. Move to the Login activity.
StartActivity(new Intent(this.Activity, typeof(LoginFragment)));
}
System.Diagnostics.Debug.WriteLine("Encountered an error while trying to connect to the server: " + ex.Message);
}
}
private async void Delete_OnClick(object sender, EventArgs e)
{
// Prepare the Fragment manager.
FragmentTransaction fragmentTransaction = FragmentManager.BeginTransaction();
Fragment fragment;
// Return to the planner fragment.
// Create an instance of the planner fragment based on the senders view type (weekly or daily).
if (_PlannerMode == PlannerFragment.DAILY_VIEW)
{
fragment = new PlannerDailyFragment();
}
else
{
fragment = new PlannerWeeklyFragment();
}
// Create a bundle that can be passed back to the planner.
Bundle fragmentBundle = new Bundle();
// Send the activity log's date back to the planner.
fragmentBundle.PutInt("viewDateYear", _ActivityLogs[_ActivityLogIndex].StartTime.Year);
fragmentBundle.PutInt("viewDateMonth", _ActivityLogs[_ActivityLogIndex].StartTime.Month);
fragmentBundle.PutInt("viewDateDay", _ActivityLogs[_ActivityLogIndex].StartTime.Day);
// Attach the fragment bundle.
fragment.Arguments = fragmentBundle;
if (!_Preferences.DemoMode)
{
// Demo mode is disabled. Update the activity log in the backend.
try
{
// Prepare the ActivityLog backend object.
BackendActivityLog backend = new BackendActivityLog();
// Submit these changes to the backend.
await backend.Delete(_ActivityLogs[_ActivityLogIndex].ActivityLogId);
// Switch to the fragment.
fragmentTransaction.Replace(Resource.Id.content, fragment).Commit();
}
catch (System.Net.WebException ex)
{
if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.Unauthorized)
{
// The user is not logged in. Move to the Login activity.
StartActivity(new Intent(this.Activity, typeof(LoginFragment)));
}
System.Diagnostics.Debug.WriteLine("Encountered an error while trying to connect to the server: " + ex.Message);
}
}
else
{
// Demo mode is enabled, delete the log from the list and write it to disk.
_ActivityLogs.RemoveAt(_ActivityLogIndex);
CacheActivityLogs();
// Switch to the fragment.
fragmentTransaction.Replace(Resource.Id.content, fragment).Commit();
}
}
private async void Login_OnClick(object sender, EventArgs e)
{
// Get the TextView's the contain the username and password.
TextView usernameTxt = View.FindViewById <TextView>(Resource.Id.txtUsername);
TextView passwordTxt = View.FindViewById <TextView>(Resource.Id.txtPassword);
// Extract the text.
string username = usernameTxt.Text.Trim();
string password = passwordTxt.Text.Trim();
if (username == "" || password == "")
{
View.FindViewById <TextView>(Resource.Id.tvErrors).Text = GetString(Resource.String.login_required_fields);
return;
}
// Use a try and catch to determine if the username or password is incorrect.
try
{
// Create an instance of the backend.
BackendUser backend = new BackendUser();
await backend.Login(username, password);
// Switch back to the Planner fragment
Fragment fragment = new PlannerDailyFragment();
// Load the fragment.
FragmentManager.BeginTransaction()
.Replace(Resource.Id.content, fragment)
.Commit();
}
catch (WebException ex)
{
// Use WebException to get the status code returned from the API.
if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.Unauthorized)
{
// User failed to authenticate. Tell them the username or password is incorrect.
View.FindViewById <TextView>(Resource.Id.tvErrors).Text = GetString(Resource.String.login_incorrect);
}
else
{
// Some other error was thrown.
View.FindViewById <TextView>(Resource.Id.tvErrors).Text = GetString(Resource.String.unknown_error);
}
}
catch (BackendTimeoutException)
{
// Display a popup.
DisplayAlert(GetString(Resource.String.timeout), GetString(Resource.String.timeout_message));
}
catch (AggregateException ex)
{
// Catch the aggregate exception, this might be thrown by the asynchronous tasks in the backend.
// Handle any of the types that we are aware of.
// Managing of aggregate exceptions modified from code found here: https://msdn.microsoft.com/en-us/library/dd537614%28v=vs.110%29.aspx?f=255&MSPPError=-2147217396
ex.Handle((x) =>
{
if (x is WebException)
{
// Check for an inner exception of Socket Exception
if (x.InnerException is System.Net.Sockets.SocketException)
{
// There is an issue connecting to the backend.
DisplayAlert(GetString(Resource.String.connection_failed), GetString(Resource.String.connection_failed_message));
}
// This exception matched, return true.
return(true);
}
// Was not able to handle the exception.
return(false);
});
}
}
