public override void DidEnterBackground(UIApplication application)
{
Mvx.TaggedTrace(Tag, "DidEnterBackground");
BackgroundTimeTimer = NSTimer.CreateRepeatingScheduledTimer(1, OnBackgroundTimeTimerAction);
BackgroundTimeTimer.Fire();
}
public override void ChangePresentation(MvxPresentationHint hint)
{
if (HandlePresentationChange(hint))
{
return;
}
if (hint is MvxClosePresentationHint)
{
var mainPage = MvxFormsApp.MainPage as MasterDetailPage;
if (mainPage == null)
{
Mvx.TaggedTrace("MvxFormsPresenter:ChangePresentation()", "Oops! Don't know what to do");
}
else
{
// Perform pop on the Detail Page and launch RootContentPageActivated if root has been reached
var navPage = mainPage.Detail as NavigationPage;
navPage.PopAsync();
if (navPage.Navigation.NavigationStack.Count == 1)
{
RootContentPageActivated();
}
}
}
}
public async Task <List <Answer> > getAnswersByQuestionID(string question_id)
{
var answers = new List <Answer>();
try
{
var res = await BaseClient.GetAsync(string.Format(Constants.SOAnswersByQuestionIDRequest, question_id));
res.EnsureSuccessStatusCode();
var json = await res.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(json))
{
return(null);
}
var so_response = JsonConvert.DeserializeObject <SO_AnswersResponse>(json);
answers = so_response.items;
return(answers);
}
catch (Exception ex)
{
Mvx.TaggedTrace(typeof(StackoverflowDataService).Name,
"Ooops! Something went wrong fetching information for question_id: {0}. Exception: {1}", question_id, ex);
return(null);
}
}
public override void ViewDidDisappear(bool animated)
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, "ViewDidDisappear - Start");
base.ViewDidDisappear(animated);
LifeCycleViewModel.OnViewHidden();
UnsubscribeFromMessages();
}
public async Task UpdateAsync(CancellationToken cancellationToken)
{
Mvx.TaggedTrace(Tag, "Update requested");
if (!Outdated)
{
Mvx.TaggedTrace(Tag, "All data is up to date, update not required");
return;
}
ClearData();
var zipCodesGroupping = await LoadZipCodesGroupsAsync(cancellationToken);
var cities = GetCities(zipCodesGroupping);
CitiesRepository.AddAll(cities);
var zipCodes = GetZipCodes(zipCodesGroupping, cities);
ZipCodesRepository.AddAll(zipCodes);
UpdateRepository.Updated = DateTime.UtcNow;
Mvx.TaggedTrace(Tag, "Update completed");
}
protected virtual void OnLoggedIn(RequestSecurityTokenResponse requestSecurityTokenResponse)
{
if (requestSecurityTokenResponse == null)
{
Mvx.TaggedTrace(MvxTraceLevel.Error, "DefaultIdentityProviderCollectionViewModel", "Got an empty response from IdentityProvider");
if (LoginError != null)
{
LoginError(this, new LoginErrorEventArgs {
Message = "Got an empty response from IdentityProvider, try logging in again."
});
}
return;
}
var tokenStore = Mvx.Resolve <ISimpleWebTokenStore>();
var tokenFactory = Mvx.Resolve <ISimpleWebToken>();
var token = tokenFactory.CreateTokenFromRaw(requestSecurityTokenResponse.SecurityToken);
tokenStore.SimpleWebToken = token;
if (!CanGoBack)
{
ShowProgressAfterLogin = true;
}
RaisePropertyChanged(() => IsLoggedIn);
RaisePropertyChanged(() => LoggedInProvider);
if (tokenStore.IsValid() && CanGoBack)
{
NavigateBackCommand.Execute(null);
}
}
public void OnConnectionFailed(ConnectionResult result)
{
_owner.OnLocationError(ToMvxLocationErrorCode(result));
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, "Plugin.Location.Fused", "OnConnectionFailed: {0}", result);
_client?.Reconnect();
}
private async Task GetConfigurationIfNeeded(bool force = false)
{
if (_tmdbConfiguration != null && !force)
{
return;
}
try
{
var res = await BaseClient.GetAsync(string.Format(Constants.TmdbConfigurationUrl, Constants.TmdbApiKey));
res.EnsureSuccessStatusCode();
var json = await res.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(json))
{
throw new Exception("Return content was empty :(");
}
_tmdbConfiguration = JsonConvert.DeserializeObject <Configuration>(json);
}
catch (Exception ex)
{
Mvx.TaggedTrace(typeof(TmdbMovieService).Name,
"Ooops! Something went wrong fetching the configuration. Exception: {1}", ex);
}
}
public override void WillEnterForeground(UIApplication application)
{
Mvx.TaggedTrace(Tag, "WillEnterForeground");
BackgroundTimeTimer.Invalidate();
BackgroundTimeTimer.Dispose();
}
public async Task <ObservableCollection <Question> > getQuestionsByTag(string tag)
{
//throw new NotImplementedException();
var questions = new ObservableCollection <Question>();
try
{
var res = await BaseClient.GetAsync(string.Format(Constants.SOQuestionsByTagRequest, tag));
res.EnsureSuccessStatusCode();
var json = await res.Content.ReadAsStringAsync();
if (string.IsNullOrEmpty(json))
{
return(null);
}
var so_response = JsonConvert.DeserializeObject <SO_Response>(json);
questions = new ObservableCollection <Question>(so_response.items);
return(questions);
}
catch (Exception ex)
{
Mvx.TaggedTrace(typeof(StackoverflowDataService).Name,
"Ooops! Something went wrong fetching information for tag: {0}. Exception: {1}", tag, ex);
return(null);
}
}
protected override void OnPause()
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, "OnPause - Start");
base.OnPause();
LifeCycleViewModel.OnViewHidden();
UnsubscribeFromMessages();
}
public void OnViewHidden()
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, $"{nameof(OnViewHidden)} - Start");
//View is now hidden, if it was visible before, call HideView
if (ViewIsVisible)
{
HideView();
}
}
public void Write(string message, LogLevel logLevel)
{
if (logLevel < this.Level)
{
return;
}
Mvx.TaggedTrace(ToLevel(logLevel), "RxLogger", message);
}
public async void OnViewShown(CoreNavigationMode navigationMode)
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag,
$"{nameof(OnViewShown)} - Start ({nameof(navigationMode)} = {navigationMode})");
//View is now visible, if it wasn't visible before call ShowView
if (!ViewIsVisible)
{
await ShowView(navigationMode == CoreNavigationMode.Back);
}
}
public override async void Start()
{
base.Start();
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, $"{nameof(Start)} - Start");
await InitializeViewAsync();
//Once the view is initialized it can be shown, set ReadyToShow to true, the ShowView loop will then move on to showing the view
ReadyToShow = true;
}
protected override void OnResume()
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, "OnResume - Start");
base.OnResume();
if (!Subscribed)
{
SubscribeToMessages();
}
LifeCycleViewModel?.OnViewShown(_navigationMode);
_navigationMode = CoreNavigationMode.Back;
}
private void OnBackgroundTimeTimerAction(NSTimer timer)
{
var backgroundTimeRemaining = (int)UIApplication.SharedApplication.BackgroundTimeRemaining;
if (backgroundTimeRemaining == int.MinValue)
{
return;
}
Mvx.TaggedTrace(Tag, $"BackgroundTimeRemaining: {backgroundTimeRemaining}");
}
public View OnCreateView(View parent, string name, Context context, IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... OnCreateView ... {0}", name);
}
return(this._factoryPlaceholder.OnViewCreated(
this._factory.OnCreateView(name, context, attrs),
context, attrs));
}
public View OnCreateView(string name, Context context, IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... OnCreateView 2 ... {0}", name);
}
return(this._bindingVisitor.OnViewCreated(
// The activity's OnCreateView
this._factory2.OnCreateView(name, context, attrs),
context, attrs));
}
public override void ViewWillAppear(bool animated)
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, "ViewWillAppear - Start");
base.ViewWillAppear(animated);
if (!Subscribed)
{
SubscribeToMessages();
}
LifeCycleViewModel?.OnViewShown(navigationMode);
navigationMode = CoreNavigationMode.Back;
}
protected override View OnCreateView(View parent, string name, IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... OnCreateView 3 ... {0}", name);
}
return(this._bindingVisitor.OnViewCreated(
base.OnCreateView(parent, name, attrs),
this.Context,
attrs));
}
protected override View OnCreateView(string name, IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... OnCreateView 2 ... {0}", name);
}
View view = this.AndroidViewFactory.CreateView(null, name, this.Context, attrs) ??
this.PhoneLayoutInflaterOnCreateView(name, attrs) ??
base.OnCreateView(name, attrs);
return(this._bindingVisitor.OnViewCreated(view, this.Context, attrs));
}
private void DoCancelTaskCommand()
{
if (CancellationTokenSource == null)
{
return;
}
Mvx.TaggedTrace(Tag, "Task will be canceled");
CancellationTokenSource.Cancel();
TaskIsRunning = false;
}
public void OnConnected(Bundle connectionHint)
{
LocationServices.FusedLocationApi.RequestLocationUpdates(_client, _request, this, Looper.MainLooper);
var location = LocationServices.FusedLocationApi.GetLastLocation(_client);
if (location != null)
{
_owner.OnLocationUpdated(location);
}
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, "Plugin.Location.Fused", "OnConnected");
}
private void ChangePagePresentation()
{
var mainPage = FormsApplication.MainPage as NavigationPage;
if (mainPage == null)
{
Mvx.TaggedTrace("MvxFormsPresenter:ChangePresentation()", "Oops! Don't know what to do");
}
else
{
mainPage.PopAsync();
}
}
protected View CreateCustomViewInternal(View parent, View view, string name, Context viewContext,
IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... CreateCustomViewInternal ... {0}", name);
}
if (view == null && name.IndexOf('.') > -1)
{
// Attempt to inflate with MvvmCross unless we're trying to inflate an internal views
// since we don't resolve those.
if (!name.StartsWith("com.android.internal."))
{
view = AndroidViewFactory.CreateView(parent, name, viewContext, attrs);
}
if (view == null)
{
if (_constructorArgs == null)
{
Class layoutInflaterClass = Class.FromType(typeof(LayoutInflater));
_constructorArgs = layoutInflaterClass.GetDeclaredField("mConstructorArgs");
_constructorArgs.Accessible = true;
}
Object[] constructorArgsArr = (Object[])_constructorArgs.Get(this);
Object lastContext = constructorArgsArr[0];
// The LayoutInflater actually finds out the correct context to use. We just need to set
// it on the mConstructor for the internal method.
// Set the constructor args up for the createView, not sure why we can't pass these in.
constructorArgsArr[0] = viewContext;
_constructorArgs.Set(this, constructorArgsArr);
try
{
view = CreateView(name, null, attrs);
}
catch (ClassNotFoundException)
{
}
finally
{
constructorArgsArr[0] = lastContext;
_constructorArgs.Set(this, constructorArgsArr);
}
}
}
return(view);
}
public void StartUpdates()
{
// TODO: should be bool RequestValue? compare iOS API for commonality
var successful = false;
//if (CanRead)
//{
// Console.WriteLine("Characteristic.RequestValue, PropertyType = Read, requesting updates");
// successful = this._gatt.ReadCharacteristic(this._nativeCharacteristic);
//}
if (CanUpdate)
{
Console.WriteLine("Characteristic.RequestValue, PropertyType = Notify, requesting updates");
if (_gattCallback != null)
{
// wire up the characteristic value updating on the gattcallback for event forwarding
_gattCallback.CharacteristicValueUpdated += OnCharacteristicValueChanged;
}
successful = _gatt.SetCharacteristicNotification(_nativeCharacteristic, true);
// [TO20131211@1634] It seems that setting the notification above isn't enough. You have to set the NOTIFY
// descriptor as well, otherwise the receiver will never get the updates. I just grabbed the first (and only)
// descriptor that is associated with the characteristic, which is the NOTIFY descriptor. This seems like a really
// odd way to do things to me, but I'm a Bluetooth newbie. Google has a example here (but ono real explaination as
// to what is going on):
// http://developer.android.com/guide/topics/connectivity/bluetooth-le.html#notification
//
// HACK: further detail, in the Forms client this only seems to work with a breakpoint on it
// (ie. it probably needs to wait until the above 'SetCharacteristicNofication' is done before doing this...?????? [CD]
Thread.Sleep(100);
// HACK: did i mention this was a hack?????????? [CD] 50ms was too short, 100ms seems to work
if (_nativeCharacteristic.Descriptors.Count > 0)
{
var descriptor = _nativeCharacteristic.Descriptors[0];
descriptor.SetValue(BluetoothGattDescriptor.EnableNotificationValue.ToArray());
successful &= _gatt.WriteDescriptor(descriptor);
}
else
{
Console.WriteLine("RequestValue, FAILED: _nativeCharacteristic.Descriptors was empty, not sure why");
}
}
Mvx.TaggedTrace("StartUpdates", "RequestValue, Succesful: {0}", successful);
}
public View OnCreateView(View parent, string name, Context context, IAttributeSet attrs)
{
if (Debug)
{
Mvx.TaggedTrace(Tag, "... OnCreateView 3 ... {0}", name);
}
return(this._bindingVisitor.OnViewCreated(
this._inflater.CreateCustomViewInternal(
parent,
// The activity's OnCreateView
this._factory2.OnCreateView(parent, name, context, attrs),
name, context, attrs),
context, attrs));
}
private void HandleLocationChanged(object sender, LocationUpdatedEventArgs e)
{
// Handle foreground updates
var location = e.Location;
Altitude = location.Altitude;
Longitude = location.Longitude;
Latitude = location.Latitude;
Course = location.Course;
Speed = location.Speed;
Mvx.TaggedTrace("LocationChanged", "LocationChanged", location);
//Console.WriteLine("foreground updated");
}
/// <summary>
/// Called from OnViewShown
/// </summary>
public virtual async Task ShowView(bool backNavigation)
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, $"{nameof(ShowView)} - Start");
//Wait until ReadyToShow = true
var delay = TimeSpan.FromMilliseconds(50);
while (!ReadyToShow)
{
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag,
$"{nameof(ShowView)} - Waiting for the view to be ready to show");
await Task.Delay(delay);
}
Mvx.TaggedTrace(MvxTraceLevel.Diagnostic, LogTag, $"{nameof(ShowView)} - Now ready to show");
SubscribeToEvents();
ViewIsVisible = true;
}
