//custom async method
public Task PerformTaskAsync2(IProgress <CustomProgress> progress)
{
Task t = new Task(IntenseMethodThatTakesCPUTime);
Task t2 = Task.Run(() =>
{
CustomProgress prog = new CustomProgress();
prog.update = "Processing wait 0 of 10";
prog.value = 0;
progress.Report(prog);
for (int i = 0; i < 10; i++)
{
//https://docs.microsoft.com/en-us/dotnet/api/system.threading.tasks.task?view=netframework-4.7.2
System.Threading.Thread.Sleep(500);
Application.Current.Dispatcher.Invoke(() =>
{
ContentPresenter cp = new ContentPresenter();
});
//doing the below will cause it to crash (can only be done on UI thread onyl)
//ContentPresenter cp = new ContentPresenter();
prog.update = string.Format("Processing wait {0} of 10", i + 1);
prog.value = i + 1;
progress.Report(prog);
}
//this is also not allowed
//BackgroundTaskReport.Text = "Complete";
});
return(t2);
}
//custom async method
public Task PerformTaskAsync(IProgress <CustomProgress> progress)
{
Task t = new Task(IntenseMethodThatTakesCPUTime);
Task t2 = Task.Run(() =>
{
CustomProgress prog = new CustomProgress();
prog.update = "Processing wait 0 of 10";
prog.value = 0;
CustomProgress prog2 = new CustomProgress()
{
value = 8
};
progress.Report(prog);
for (int i = 0; i < 10; i++)
{
//https://docs.microsoft.com/en-us/dotnet/api/system.threading.tasks.task?view=netframework-4.7.2
System.Threading.Thread.Sleep(500);
prog.update = string.Format("Processing wait {0} of 10", i + 1);
prog.value = i + 1;
if (i == 4)
{
progress.Report(prog2);
}
else
{
progress.Report(prog);
}
}
});
return(t2);
}
public ProgressView()
{
downloadProgess = new CustomProgress()
{
ProgressTintColor = UIColor.DarkGray,
BackgroundColor = UIColor.White,
};
downloadProgess.SizeToFit();
var style = this.GetStyle();
sliderProgress = new CustomProgress()
{
ProgressTintColor = style.AccentColorHorizontal,
};
slider = new OBSlider();
slider.AccessibilityIdentifier = "Progress";
slider.BackgroundColor = UIColor.Clear;
slider.MinimumTrackTintColor = style.AccentColorHorizontal;
slider.MaximumTrackTintColor = UIColor.Clear;
slider.SizeToFit();
slider.ValueChanged += (object sender, EventArgs e) => { sliderProgress.Progress = slider.Value; };
slider.EditingDidBegin += (object sender, EventArgs e) => { EditingStarted?.Invoke(); };
slider.EditingDidEnd += (sender, args) => {
EditingEnded?.Invoke();
PlaybackManager.Shared.Seek(slider.Value);
};
slider.SetThumbImage(Images.GetPlaybackSliderThumb(), UIControlState.Normal);
this.Frame = slider.Frame;
this.AddSubview(downloadProgess);
this.AddSubview(sliderProgress);
this.AddSubview(slider);
}
public override Widget build(BuildContext context)
{
Widget progressWidget = new Container();
if (this._progress < 1.0f)
{
progressWidget = new CustomProgress(this._progress,
CColors.White
);
}
if (!Application.isEditor)
{
var ratio = Window.instance.devicePixelRatio;
var top = (int)(44 * ratio);
if (Application.platform != RuntimePlatform.Android)
{
top = (int)((MediaQuery.of(context).padding.top + 44) * ratio);
}
var bottom = (int)(MediaQuery.of(context).padding.bottom *ratio);
this._webViewObject.SetMargins(0, top, 0, bottom);
}
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
bottom: false,
child: new Container(
color: CColors.Background,
child: new Column(
children: new List <Widget> {
new Container(
child: new Stack(
children: new List <Widget> {
this._buildNavigationBar(),
new Align(
alignment: Alignment.bottomCenter,
child: progressWidget
)
}
)
),
new Expanded(
child: new Center(
child: new Text(
this._onClose ? "正在关闭..." : "正在加载...",
style: CTextStyle.PXLarge
)
)
)
}
)
)
)
));
}
protected async Task <bool> UserLogOut()
{
ILoginService _ILoginService = new LoginService();
if (AppUtils.IsNetwork())
{
_objProgress = new CustomProgress(Activity);
var Authkey = StorageUtils <String> .GetPreferencesValue(DroidConstant.CurrentUser);
var response = await _ILoginService.LogoutUser(ServiceType.UserService, Authkey);
_objProgress.DismissDialog();
if (response != null)
{
if (response.IsSuccess)
{
StorageUtils <String> .SavePreferences(DroidConstant.CurrentUser, "");
LoginManager.Instance.LogOut();
new GoogleApiClient.Builder(Activity)
.AddApi(PlusClass.API)
.AddScope(new Scope(Scopes.Profile))
.Build().Disconnect();
Activity.StartActivity(typeof(LoginActivity));
Activity.Finish();
return(true);
}
else
{
AppUtils.ShowToast(Activity, response.Message);
return(true);
}
}
else
{
AppUtils.ShowToast(Activity, response.Message);
return(true);
}
}
else
{
AppUtils.ShowToast(Activity, Resources.GetString(Resource.String.network_error));
_objProgress.DismissDialog();
return(true);
}
}
/// <summary>
/// Fetch Event
/// </summary>
/// <returns>List</returns>
async Task <List <EventList> > GetEventList()
{
if (AppUtils.IsNetwork())
{
var request = new EventRequest
{
PageNo = 1
};
_objProgress = new CustomProgress(Activity);
var Authkey = StorageUtils <String> .GetPreferencesValue(DroidConstant.CurrentUser);
var response = await _IEventListService.GetEnrolledEventsList(request, ServiceType.EventService, Authkey);
_objProgress.DismissDialog();
if (response != null)
{
if (response.IsSuccess && response.Result != null)
{
result = response.Result;
if (result.Count == 0 && request.PageNo == 1)
{
//AppUtils.ShowToast(Activity, response.Message);
}
else
{
eventAdapter.UpdateList(result);
}
}
else
{
//AppUtils.ShowToast(Activity, response.Message);
}
}
else
{
//AppUtils.ShowToast(Activity, Resources.GetString(Resource.String.network_error));
}
}
else
{
AppUtils.ShowToast(Activity, Resources.GetString(Resource.String.network_error));
_objProgress.DismissDialog();
}
return(result);
}
public Task <bool> PerformTaskWithCancelAsync(IProgress <CustomProgress> progress, CancellationToken ct)
{
Task <bool> t2 = Task.Run(() =>
{
//progress
CustomProgress prog = new CustomProgress
{
update = "Processing wait 0 of 10",
value = 0
};
progress.Report(prog);
//run task that takes up lots of stuffs
for (int i = 0; i < 10; i++)
{
//https://docs.microsoft.com/en-us/dotnet/api/system.threading.tasks.task?view=netframework-4.7.2
for (int j = 0; j < 10; j++)
{
Thread.Sleep(50);
}
ct.ThrowIfCancellationRequested();
prog.update = string.Format("Processing wait {0} of 10", i + 1);
prog.value = i + 1;
progress.Report(prog);
}
}).ContinueWith(task =>
{
if (task.Status == TaskStatus.Faulted)
{
return(false);
}
return(true);
});
return(t2);
}
private void Progress_ProgressChangedCancel(object sender, CustomProgress e)
{
TaskCancelTestingBlock.Text = e.update;
TaskCancelTestingProgress.Value = e.value;
}
private void Progress_ProgressChanged2(object sender, CustomProgress e)
{
HybridTaskReport.Text = e.update;
HybridTaskProgress.Value = e.value;
}
private void Progress_ProgressChanged(object sender, CustomProgress e)
{
BackgroundTaskReport.Text = e.update;
BackgroundTaskProgress.Value = e.value;
}
public override Widget build(BuildContext context)
{
Widget progressWidget;
if (this._progress < 1.0f)
{
progressWidget = new CustomProgress(this._progress,
CColors.White
);
}
else
{
progressWidget = new Container();
}
if (!Application.isEditor)
{
var ratio = Window.instance.devicePixelRatio;
var navigationBarHeight = this.widget.fullScreen ? 0 : 44;
var top = (int)(navigationBarHeight * ratio);
if (Application.platform != RuntimePlatform.Android)
{
top = (int)((MediaQuery.of(context).padding.top + navigationBarHeight) * ratio);
}
var left = this.widget.landscape ? (int)(80 * ratio) : 0;
var right = left;
var bottom = (int)(MediaQuery.of(context).padding.bottom *ratio);
this._webViewObject.SetMargins(left, top, right, bottom);
if (this.widget.landscape && this._progress == 1)
{
Screen.orientation = ScreenOrientation.LandscapeLeft;
Screen.fullScreen = true;
}
}
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
top: !this.widget.fullScreen,
bottom: false,
child: new Container(
color: CColors.Background,
child: new Column(
children: new List <Widget> {
new Container(
child: new Stack(
children: new List <Widget> {
this._buildNavigationBar(),
new Align(
alignment: Alignment.bottomCenter,
child: progressWidget
)
}
)
),
new Expanded(
child: new Container(
color: this.widget.landscape ? CColors.Black : null,
child: new Center(
child: new Text(
this._onClose ? "正在关闭..." : "",
style: CTextStyle.PXLarge
)
)
)
)
}
)
)
)
));
}
