public override void Show(MvxViewModelRequest request)
{
if (TryShowPage(request))
return;
Mvx.Error("Skipping request for {0}", request.ViewModelType.Name);
}
public static IMvxItemUniqueIdProvider BuildUniqueItemIdProvider(Context context, IAttributeSet attrs)
{
var templateSelectorAttributes = ReadRecyclerViewItemTemplateSelectorAttributes(context, attrs);
var type = Type.GetType(templateSelectorAttributes.UniqueItemIdProviderClassName);
if (type == null)
{
var message = $"Can't build unique item id provider." +
$"Sorry but type with class name: {templateSelectorAttributes.UniqueItemIdProviderClassName} does not exist." +
$"Make sure you have provided full Type name: namespace + class name, AssemblyName." +
$"Example (check Example.Droid sample!): Example.Droid.Common.TemplateSelectors.MultiItemTemplateModelTemplateSelector, Example.Droid";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (!typeof(IMvxItemUniqueIdProvider).IsAssignableFrom(type))
{
string message = $"Sorry but type: {type} does not implement {nameof(IMvxItemUniqueIdProvider)} interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (type.IsAbstract)
{
string message = $"Sorry can not instatiate {nameof(IMvxItemUniqueIdProvider)} as provided type: {type} is abstract/interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
var uniqueItemIdProvider = Activator.CreateInstance(type) as IMvxItemUniqueIdProvider;
return(uniqueItemIdProvider);
}
private async Task <bool> TryShowPage(MvxViewModelRequest request)
{
var page = MvxPresenterHelpers.CreatePage(request);
if (page == null)
{
return(false);
}
var viewModel = MvxPresenterHelpers.LoadViewModel(request);
var mainPage = _mvxFormsApp.MainPage as NavigationPage;
if (mainPage == null)
{
_mvxFormsApp.MainPage = new NavigationPage(page);
mainPage = _mvxFormsApp.MainPage as NavigationPage;
CustomPlatformInitialization(mainPage);
}
else
{
try
{
await mainPage.PushAsync(page);
}
catch (Exception e)
{
Mvx.Error("Exception pushing {0}: {1}\n{2}", page.GetType(), e.Message, e.StackTrace);
}
}
page.BindingContext = viewModel;
return(true);
}
private async void DoScan()
{
try
{
ClearDisplay();
IsScanning = true;
HasTimedOut = false;
_cancellationTokenSource = new CancellationTokenSource();
var record = await _nfcReadTask.ReadTag(_cancellationTokenSource.Token, TimeSpan.FromSeconds(30));
if (record != null)
{
UpdateDisplay(record.Message);
}
_cancellationTokenSource = null;
}
catch (TimeoutException)
{
HasTimedOut = true;
}
catch (Exception err)
{
Mvx.Error(err.ToString());
}
IsScanning = false;
}
private bool TryShowPage(MvxViewModelRequest request)
{
var page = MvxPresenterHelpers.CreatePage(request);
if (page == null)
return false;
var viewModel = MvxPresenterHelpers.LoadViewModel(request);
SetupForBinding(page, request);
var mainPage = _mvxFormsApp.MainPage as NavigationPage;
if (mainPage == null)
{
_mvxFormsApp.MainPage = new NavigationPage(page);
mainPage = MvxFormsApp.MainPage as NavigationPage;
CustomPlatformInitialization(mainPage);
}
else
{
try
{
// calling this sync blocks UI and never navigates hence code continues regardless here
mainPage.PushAsync(page);
}
catch (Exception e)
{
Mvx.Error("Exception pushing {0}: {1}\n{2}", page.GetType(), e.Message, e.StackTrace);
return false;
}
}
return true;
}
private async Task LoadData()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
var lst = await HttpService.GetArduinoStationList();
if (lst != null)
{
_arduinoStations = new ObservableCollection <ArduinoStation>(lst);
}
else
{
_arduinoStations = new ObservableCollection <ArduinoStation>();
}
}
catch (Exception ex)
{
Mvx.Error(ex.Message);
return;
}
finally
{
IsBusy = false;
}
RaiseAllPropertiesChanged();
}
private async Task SaveDataAsync()
{
Device.BeginInvokeOnMainThread(() => IsBusy = true);
Exception myEx = null;
try
{
await Task.Delay(300);
}
catch (Exception ex)
{
myEx = ex;
Mvx.Error(ex.Message);
}
finally
{
Device.BeginInvokeOnMainThread(() => IsBusy = false);
}
if (myEx != null)
{
var p = new ContentPage();
await p.DisplayAlert("Σφάλμα κατά την αποθήκευση", myEx.Message, "ΟΚ");
}
}
// Workaround from Support.v4 v22.1.1 library:
//
// For APIs >= 11 && < 21, there was a framework bug that prevented a LayoutInflater's
// Factory2 from being merged properly if set after a cloneInContext from a LayoutInflater
// that already had a Factory2 registered. We work around that bug here. If we can't we
// log an error.
private static void ForceSetFactory2(LayoutInflater inflater, LayoutInflater.IFactory2 factory)
{
if (!_checkedField)
{
try
{
Class layoutInflaterClass = Class.FromType(typeof(LayoutInflater));
_layoutInflaterFactory2Field = layoutInflaterClass.GetDeclaredField("mFactory2");
_layoutInflaterFactory2Field.Accessible = true;
}
catch (NoSuchFieldException e)
{
Mvx.Error(
"ForceSetFactory2 Could not find field 'mFactory2' on class {0}; inflation may have unexpected results.",
Class.FromType(typeof(LayoutInflater)).Name);
}
_checkedField = true;
}
if (_layoutInflaterFactory2Field != null)
{
try
{
_layoutInflaterFactory2Field.Set(inflater, (Java.Lang.Object)factory);
}
catch (IllegalAccessException e)
{
Mvx.Error("ForceSetFactory2 could not set the Factory2 on LayoutInflater {0} ; inflation may have unexpected results.", inflater);
}
}
}
public static IMvxGroupedDataConverter BuildMvxGroupedDataConverter(Context context, IAttributeSet attrs)
{
var groupedDataConverterClassName = ReadRecyclerViewItemTemplateSelectorAttributes(context, attrs).GroupedDataConverterClassName;
var type = Type.GetType(groupedDataConverterClassName);
if (type == null)
{
var message = $"Sorry but type with class name: {groupedDataConverterClassName} does not exist." +
$"Make sure you have provided full Type name: namespace + class name, AssemblyName.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (!typeof(IMvxGroupedDataConverter).IsAssignableFrom(type))
{
string message = $"Sorry but type: {type} does not implement {nameof(IMvxGroupedDataConverter)} interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (type.IsAbstract)
{
string message = $"Sorry can not instatiate {nameof(IMvxGroupedDataConverter)} as provided type: {type} is abstract/interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
return(Activator.CreateInstance(type) as IMvxGroupedDataConverter);
}
public async Task LeaveRoom(string name)
{
try { await Client.LeaveRoom(name); }
catch (Exception ex) { Mvx.Error(ex.ToString()); }
RoomsIn.RemoveAll(r => r.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
}
public override void LoadFromStore(VMStore modelStore)
{
try
{
Profile = JsonConvert.DeserializeObject <ClientProfileDTO>(modelStore.Store);
Downloaded = Profile.Downloaded;
ClientId = Profile.ClientId;
SelectedMaritalStatus = MaritalStatus.FirstOrDefault(x => x.Id == Profile.MaritalStatus);
SelectedKeyPop = KeyPops.FirstOrDefault(x => x.Id == Profile.KeyPop);
OtherKeyPop = Profile.OtherKeyPop;
SelectedEducation = Educations.FirstOrDefault(x => x.ItemId == Profile.Education);
SelectedCompletion = Completions.FirstOrDefault(x => x.ItemId == Profile.Completion);
SelectedOccupation = Occupations.FirstOrDefault(x => x.ItemId == Profile.Occupation);
if (null != Profile.RelTypeId && !string.IsNullOrWhiteSpace(Profile.RelTypeId))
{
SelectedRelationshipType =
RelationshipTypes.FirstOrDefault(x => x.Description.ToLower() == Profile.RelTypeId.ToLower());
}
}
catch (Exception e)
{
Mvx.Error(e.Message);
}
}
protected virtual IEnumerable <PropertyInfo> FindInjectableProperties(Type type, IMvxPropertyInjectorOptions options)
{
var injectableProperties = type
.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy)
.Where(p => p.PropertyType.GetTypeInfo().IsInterface)
.Where(p => p.IsConventional())
.Where(p => p.CanWrite);
switch (options.InjectIntoProperties)
{
case MvxPropertyInjection.MvxInjectInterfaceProperties:
injectableProperties = injectableProperties
.Where(p => p.GetCustomAttributes(typeof(MvxInjectAttribute), false).Any());
break;
case MvxPropertyInjection.AllInterfaceProperties:
break;
case MvxPropertyInjection.None:
Mvx.Error("Internal error - should not call FindInjectableProperties with MvxPropertyInjection.None");
injectableProperties = new PropertyInfo[0];
break;
default:
throw new MvxException("unknown option for InjectIntoProperties {0}", options.InjectIntoProperties);
}
return(injectableProperties);
}
public static MvxBaseTemplateSelector BuildItemTemplateSelector(Context context, IAttributeSet attrs)
{
var templateSelectorAttributes = ReadRecyclerViewItemTemplateSelectorAttributes(context, attrs);
var type = Type.GetType(templateSelectorAttributes.TemplateSelectorClassName);
if (type == null)
{
var message = $"Sorry but type with class name: {templateSelectorAttributes} does not exist." +
$"Make sure you have provided full Type name: namespace + class name, AssemblyName." +
$"Example (check Example.Droid sample!): Example.Droid.Common.TemplateSelectors.MultiItemTemplateModelTemplateSelector, Example.Droid";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (!typeof(MvxBaseTemplateSelector).IsAssignableFrom(type))
{
string message = $"Sorry but type: {type} does not implement {nameof(MvxBaseTemplateSelector)} interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (type.IsAbstract)
{
string message = $"Sorry can not instatiate {nameof(MvxBaseTemplateSelector)} as provided type: {type} is abstract/interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
var templateSelector = Activator.CreateInstance(type) as MvxBaseTemplateSelector;
templateSelector.FooterLayoutId = templateSelectorAttributes.FooterLayoutId;
templateSelector.HeaderLayoutId = templateSelectorAttributes.HeaderLayoutId;
templateSelector.GroupSectionLayoutId = templateSelectorAttributes.GroupSectionLayoutId;
return(templateSelector);
}
private async Task ShowLocalFileAsync(string filePath)
{
if (string.IsNullOrEmpty(filePath))
{
FireImageChanged(null);
}
else
{
FireImageChanged(null);
try
{
var localImage = await ImageFromLocalFileAsync(filePath).ConfigureAwait(false);
if (localImage == null)
{
MvxTrace.Warning("Failed to load local image for filePath {0}", filePath);
}
FireImageChanged(localImage);
}
catch (Exception ex)
{
Mvx.Error(ex.Message);
}
}
}
public override void Show(MvxViewModelRequest request)
{
var viewModelType = request.ViewModelType;
var isMasterViewModel = viewModelType.GetCustomAttribute <MasterPageViewModelAttribute>() != null;
var isPageViewModel = viewModelType.GetCustomAttribute <PageViewModelAttribute>() != null;
if (isPageViewModel)
{
if (TryShowPage(request))
{
return;
}
Mvx.Error("Skipping request for {0}", request.ViewModelType.Name);
}
else if (isMasterViewModel)
{
if (TryShowMasterDetailPage(request))
{
return;
}
Mvx.Error("Skipping request for {0}", request.ViewModelType.Name);
}
else
{
throw new Exception("VM not page or master detail ");
}
}
private void InitCancellationTokenSource()
{
if (this._cts != null)
{
Mvx.Error("MvxAsyncCommand : Unexpected InitCancellationTokenSource, a token is already available!");
}
this._cts = new CancellationTokenSource();
}
/// <summary>
/// Handle a lost connectivity against the API.
/// </summary>
/// <typeparam name="TResp">The type of the response.</typeparam>
/// <param name="httpType">Type of the HTTP.</param>
/// <param name="endpoint">Name of the host.</param>
/// <param name="action">The action of the request.</param>
/// <param name="exception">The exception.</param>
/// <param name="statusCode"></param>
/// <returns>BaseResp with a null result.</returns>
internal BaseResponse <TResp> HandleLostConnnectivity <TResp>(string httpType, Endpoint endpoint, Exception exception, HttpStatusCode statusCode)
where TResp : class
{
Mvx.Error("No Connectivity on device [" + httpType + " : URL: " + endpoint.Url + "] Message: {0} >>>>> StackTrace: {1}", exception?.Message, exception.StackTrace);
//_eventLogger.TrackEvent(Constants.NONETWORK_EVENT_NAME, endpoint.UrlAction, $"{(statusCode == HttpStatusCode.BadRequest ? "n/a" : statusCode.ToString())} || {exception?.Message}");
return(HandleApiCalls <TResp>(API_ERROR_NONETWORK, null, ServiceReponseType.NoNetwork, statusCode, exception.Message));
}
public async Task <List <Post> > GetPosts()
{
var json = await _httpclient.GetStringAsync("Api");
Mvx.Error(_httpclient.BaseAddress.ToString());
var posts = JsonConvert.DeserializeObject <List <Post> >(json);
return(posts);
}
/// <summary>
/// Handle a crash against the API.
/// </summary>
/// <typeparam name="TResp">The type of the response.</typeparam>
/// <param name="httpType">Type of the HTTP.</param>
/// <param name="endpoint">Name of the host.</param>
/// <param name="action">The action of the request.</param>
/// <param name="exception">The exception.</param>
/// <param name="statusCode"></param>
/// <returns>BaseResp with a null result.</returns>
internal BaseResponse <TResp> HandleCrash <TResp>(string httpType, Endpoint endpoint, Exception exception, HttpStatusCode statusCode)
where TResp : class
{
Mvx.Error("CRASH on Service [" + httpType + " : URL: " + endpoint.Url + "] Message: {0} >>>>> StackTrace: {1}", exception.Message, exception.StackTrace);
//_eventLogger.TrackEvent(Constants.CRASH_EVENT_NAME, endpoint.UrlAction, $"{(statusCode == HttpStatusCode.BadRequest ? "n/a" : statusCode.ToString())} || {exception?.Message}");
return(HandleApiCalls <TResp>(API_ERROR_CRASH, null, ServiceReponseType.Error, statusCode, exception.Message));
}
/// <summary>
/// Handle the timeout on the API.
/// </summary>
/// <typeparam name="TResp">The type of the response.</typeparam>
/// <param name="httpType">Type of the HTTP.</param>
/// <param name="endpoint">Name of the host.</param>
/// <param name="action">The action of the request..</param>
/// <param name="exception">The exception.</param>
/// <param name="statusCode"></param>
/// <param name="suffix">[Optional] add a suffix to the logger.</param>
/// <returns>BaseResp with a null result.</returns>
internal BaseResponse <TResp> HandleTimeout <TResp>(string httpType, Endpoint endpoint, Exception exception, HttpStatusCode statusCode, string suffix = "")
where TResp : class
{
Mvx.Error("TIMEOUT on Service [" + httpType + " : URL: " + endpoint.Url + "] {0}{1}", exception.Message, suffix);
//_eventLogger.TrackEvent(Constants.TIMEOUT_EVENT_NAME, endpoint.UrlAction, $"{statusCode.ToString()} || {exception?.Message}{ suffix }");
return(HandleApiCalls <TResp>(API_ERROR_TIMEOUT, null, ServiceReponseType.Timeout, statusCode, exception.Message));
}
/// <summary>
/// Handle the error flow.
/// </summary>
/// <typeparam name="TResp">The type of the response.</typeparam>
/// <param name="httpType">Type of the HTTP.</param>
/// <param name="endpoint">The URL.</param>
/// <param name="errorMessage">The error message.</param>
/// <param name="errorMessageException">The error message exception.</param>
/// <param name="statusCode"></param>
/// <returns>BaseResp with a null result.</returns>
internal BaseResponse <TResp> HandleError <TResp>(string httpType, Endpoint endpoint, string errorMessage, string errorMessageException, HttpStatusCode statusCode)
where TResp : class
{
Mvx.Error("ERROR on Service [" + httpType + " : " + endpoint.Url + "] Message : {0} >>>>> Exception: {1}", errorMessage, errorMessageException);
//_eventLogger.TrackEvent(Constants.ERROR_EVENT_NAME, endpoint.UrlAction, $"{statusCode.ToString()} || {errorMessage}");
return(HandleApiCalls <TResp>(errorMessage, null, ServiceReponseType.Error, statusCode, errorMessageException));
}
public virtual async void Show(MvxViewModelRequest request)
{
if (await TryShowPage(request))
{
return;
}
Mvx.Error("Skipping request for {0}", request.ViewModelType.Name);
}
public override async void Show(MvxViewModelRequest request)
{
if (await AdaptiveTryShowPage(request))
{
return;
}
Mvx.Error("Skipping request for {0}", request.ViewModelType.Name);
}
public async Task JoinRoom(Room room)
{
try { await Client.JoinRoom(room.Name); }
catch (Exception ex) { Mvx.Error(ex.ToString()); }
if (!RoomsIn.Exists(r => r.Name.Equals(room.Name, StringComparison.OrdinalIgnoreCase)))
{
RoomsIn.Add(room);
}
}
public static IMvxTemplateSelector BuildItemTemplateSelector(Context context, IAttributeSet attrs)
{
var templateSelectorAttributes = ReadRecyclerViewItemTemplateSelectorAttributes(context, attrs);
var type = Type.GetType(templateSelectorAttributes.TemplateSelectorClassName);
if (type == null && templateSelectorAttributes.ItemTemplateLayoutId == 0)
{
var message = $"Cant create template selector." +
$"Sorry but type with class name: {templateSelectorAttributes.TemplateSelectorClassName} does not exist." +
$"Make sure you have provided full Type name: namespace + class name, AssemblyName." +
$"Example (check Example.Droid sample!): Example.Droid.Common.TemplateSelectors.MultiItemTemplateModelTemplateSelector, Example.Droid";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (type != null && !typeof(IMvxTemplateSelector).IsAssignableFrom(type))
{
string message = $"Sorry but type: {type} does not implement {nameof(IMvxTemplateSelector)} interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
if (type?.IsAbstract ?? false)
{
string message = $"Sorry can not instatiate {nameof(IMvxTemplateSelector)} as provided type: {type} is abstract/interface.";
Mvx.Error(message);
throw new InvalidOperationException(message);
}
IMvxTemplateSelector templateSelector = null;
if (type != null)
{
templateSelector = Activator.CreateInstance(type) as IMvxTemplateSelector;
}
else
{
templateSelector = new MvxDefaultHeaderFooterTemplateSelector(templateSelectorAttributes.ItemTemplateLayoutId);
}
var headerTemplate = templateSelector as IMvxHeaderTemplate;
var footerTemplate = templateSelector as IMvxFooterTemplate;
if (headerTemplate != null)
{
headerTemplate.HeaderLayoutId = templateSelectorAttributes.HeaderLayoutId;
}
if (footerTemplate != null)
{
footerTemplate.FooterLayoutId = templateSelectorAttributes.FooterLayoutId;
}
return(templateSelector);
}
public WriteTask()
{
try
{
_proximityDevice = ProximityDevice.GetDefault();
}
catch (System.UnauthorizedAccessException)
{
//You don't have permission to read NFC
Mvx.Error("You don't have permission to read NFC. Please update your manifest file");
}
}
public object GetResponse()
{
try
{
return(ReadResponse());
}
catch (Exception e)
{
Mvx.Error(e.Message);
return(null);
}
}
private void DoScan()
{
try
{
IsScanning = true;
_watcher.Start();
}
catch (Exception err)
{
Mvx.Error(err.ToString());
}
}
private void ClearCancellationTokenSource()
{
if (this._cts == null)
{
Mvx.Error("MvxAsyncCommand : Unexpected ClearCancellationTokenSource, no token available!");
}
else
{
this._cts.Dispose();
this._cts = null;
}
}
public override bool TryGetValue(IEnumerable <IMvxSourceStep> steps, out object value)
{
var resultPairs = steps.Select(step => step.GetValue()).ToList();
while (resultPairs.Count > 1)
{
var first = resultPairs[0];
var second = resultPairs[1];
if (first == MvxBindingConstant.DoNothing ||
second == MvxBindingConstant.DoNothing)
{
value = MvxBindingConstant.DoNothing;
return(true);
}
if (first == MvxBindingConstant.UnsetValue ||
second == MvxBindingConstant.UnsetValue)
{
value = MvxBindingConstant.UnsetValue;
return(true);
}
first = this.ForceToSimpleValueTypes(first);
second = this.ForceToSimpleValueTypes(second);
var firstType = this.GetLookupTypeFor(first);
var secondType = this.GetLookupTypeFor(second);
CombinerFunc <object, object> combinerFunc;
if (!this._combinerActions.TryGetValue(new TypeTuple(firstType, secondType), out combinerFunc))
{
Mvx.Error("Unknown type pair in Pairwise combiner {0}, {1}", firstType, secondType);
value = MvxBindingConstant.UnsetValue;
return(true);
}
object newValue;
var newIsAvailable = combinerFunc(first, second, out newValue);
if (!newIsAvailable)
{
value = MvxBindingConstant.UnsetValue;
return(true);
}
resultPairs.RemoveAt(0);
resultPairs[0] = newValue;
}
value = resultPairs[0];
return(true);
}
