Esempio n. 1
0
        protected async virtual void imageSelect()
        {
            this.IsBusy = true;
            await CrossMedia.Current.Initialize();

            if (!CrossMedia.Current.IsTakePhotoSupported)
            {
                await dialogService.DisplayAlertAsync("No Camera", "No camera available.", "OK");

                this.IsBusy = false;
                return;
            }

            var file = await CrossMedia.Current.PickPhotoAsync(new Plugin.Media.Abstractions.PickMediaOptions
            {
                PhotoSize      = Plugin.Media.Abstractions.PhotoSize.MaxWidthHeight,
                MaxWidthHeight = 500
            });

            if (file == null)
            {
                this.IsBusy = false;
                return;
            }
            this.Group.GroupImage = CustomImageSource.FromByteArray(() =>
            {
                var stream    = file.GetStream();
                var byteArray = Utils.ReadStram(stream);
                file.Dispose();
                return(byteArray);
            });
            this.IsBusy = false;
        }
Esempio n. 2
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        private static async Task setImageSourceFromBlob(GroupItem item)
        {
            var buffer = await downloadFile(item.Id, container_name_group);

            // replace if not defference image
            if (buffer != null && !buffer.EqualArray(item.GroupImage.StreamByte))
            {
                item.GroupImage = CustomImageSource.FromByteArray(() => { return(buffer); });
                // save as loadfile
                await saveImageByteToLocal(item.Id, container_name_group, buffer);
            }
        }
Esempio n. 3
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        public static async Task SetImageSource(GroupItem item)
        {
            ///// set from local
            var buffer = await getImageByteFromLocal(item.Id, container_name_group);

            if (buffer != null)
            {
                item.GroupImage = CustomImageSource.FromByteArray(() => { return(buffer); });
            }

            ///// set from Azure blob (not wait)
            setImageSourceFromBlob(item);
        }
Esempio n. 4
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        //constructor
        public SettingViewModel(INavigationService navigationService, IPageDialogService dialogService)
            : base(navigationService, dialogService)
        {
            this.User = GlobalAttributes.User;
            Task.Run(() => Service.ImageService.SetImageSource(this.User));
            if (this.User.UserImage == null)
            {
                this.User.UserImage = CustomImageSource.FromFile(Constants.IconAccountName);
            }

            SettingItems = new ObservableCollection <SettingMenuVMItem>();
            SettingItems.Add(new SettingMenuVMItem("Manage Group", "Manage groups that share reports.", openManageGroup));
            SettingItems.Add(new SettingMenuVMItem("See the Source Code", "Access GitHub to see the source code of APO-Chan.", openGithub));
            SettingItems.Add(new SettingMenuVMItem("About us", "Access ExceedOne Homepage.", openExcedOne));
            SettingItems.Add(new SettingMenuVMItem("Version", Xamarin.Forms.DependencyService.Get <IAssemblyService>().GetVersionName(), versionStub));
            SettingItems.Add(new SettingMenuVMItem("SignOut", "SignOut From APO-Chan.", navigateSignOut));
        }
Esempio n. 5
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        public async Task <CustomImageSource> GetImage(string url, bool overwrite = false, bool login = false, Size size = default(Size), Action <double, double> progressAction = null, CancellationTokenSource cancelToken = null)
        {
            CustomImageSource result = new CustomImageSource();
            var file = GetCacheFile(url, overwrite);
            var fp   = string.Empty;
            var id   = url.GetIllustId();
            var fn   = url.GetImageId();

            if (!string.IsNullOrEmpty(file))
            {
                result = await file.LoadImageFromFile(size);
            }
            else
            {
                file = GetImagePath(url);
                if (file.IsDownloading() && await file.WaitDownloading(timeout: TimeSpan.FromSeconds(30)))
                {
                    result = await file.LoadImageFromFile(size);
                }
                if (result.Source == null || string.IsNullOrEmpty(result.SourcePath))
                {
                    var success = login ? await url.SaveImage(await CommonHelper.ShowLogin(), file, overwrite) : await url.SaveImage(file, overwrite, progressAction, cancelToken : cancelToken);

                    if (success)
                    {
                        result = await file.LoadImageFromFile(size);
                    }
                    file.ClearDownloading();
                }
            }

            if (!(result.Source is ImageSource) && (url.IsDownloadedAsync(out fp, true) || url.IsDownloadedAsync(out fp)))
            {
                result = await fp.LoadImageFromFile(size);
            }

            if (result.Source is ImageSource && !string.IsNullOrEmpty(id))
            {
                var hash = result.GetHashCode();
                loadedImageHashTable[hash] = id;
                loadedImageFileTable[hash] = fn;
            }
            return(result);
        }