private async Task StartGeodatabaseGeneration() { // Create a task for generating a geodatabase (GeodatabaseSyncTask). _gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri); // Get the current extent of the red preview box. Envelope extent = MyMapView.GraphicsOverlays.First().Graphics.First().Geometry as Envelope; // Get the default parameters for the generate geodatabase task. GenerateGeodatabaseParameters generateParams = await _gdbSyncTask.CreateDefaultGenerateGeodatabaseParametersAsync(extent); // Create a generate geodatabase job. _generateGdbJob = _gdbSyncTask.GenerateGeodatabase(generateParams, _gdbPath); // Handle the progress changed event (to show progress bar). _generateGdbJob.ProgressChanged += (sender, e) => { UpdateProgressBar(); }; // Show the progress bar. MyProgressBar.Visibility = Visibility.Visible; // Start the job. _generateGdbJob.Start(); // Get the result. Geodatabase resultGdb = await _generateGdbJob.GetResultAsync(); // Hide the progress bar. MyProgressBar.Visibility = Visibility.Hidden; // Do the rest of the work. await HandleGenerationCompleted(resultGdb); }
private async Task StartGeodatabaseGeneration() { // Update geodatabase path. _gdbPath = $"{Path.GetTempFileName()}.geodatabase"; // Create a task for generating a geodatabase (GeodatabaseSyncTask). _gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri); // Get the current extent of the red preview box. Envelope extent = _myMapView.GraphicsOverlays.First().Graphics.First().Geometry as Envelope; // Get the default parameters for the generate geodatabase task. GenerateGeodatabaseParameters generateParams = await _gdbSyncTask.CreateDefaultGenerateGeodatabaseParametersAsync(extent); // Create a generate geodatabase job. _generateGdbJob = _gdbSyncTask.GenerateGeodatabase(generateParams, _gdbPath); // Handle the progress changed event (to show progress bar). _generateGdbJob.ProgressChanged += GenerateGdbJob_ProgressChanged; // Start the job. _generateGdbJob.Start(); // Get the result. Geodatabase resultGdb = await _generateGdbJob.GetResultAsync(); // Do the rest of the work. await HandleGenerationStatusChange(_generateGdbJob, resultGdb); }
private async void HandleGenerationStatusChange(GenerateGeodatabaseJob job) { JobStatus status = job.Status; // If the job completed successfully, add the geodatabase data to the map if (status == JobStatus.Succeeded) { // Clear out the existing layers myMapView.Map.OperationalLayers.Clear(); // Get the new geodatabase Geodatabase resultGdb = await job.GetResultAsync(); // Loop through all feature tables in the geodatabase and add a new layer to the map foreach (GeodatabaseFeatureTable table in resultGdb.GeodatabaseFeatureTables) { // Create a new feature layer for the table FeatureLayer _layer = new FeatureLayer(table); // Add the new layer to the map myMapView.Map.OperationalLayers.Add(_layer); } // Best practice is to unregister the geodatabase await _gdbSyncTask.UnregisterGeodatabaseAsync(resultGdb); // Tell the user that the geodatabase was unregistered ShowStatusMessage("Since no edits will be made, the local geodatabase has been unregistered per best practice."); // Re-enable the generate button myGenerateButton.Enabled = true; } // See if the job failed if (status == JobStatus.Failed) { // Create a message to show the user string message = "Generate geodatabase job failed"; // Show an error message (if there is one) if (job.Error != null) { message += ": " + job.Error.Message; } else { // If no error, show messages from the job var m = from msg in job.Messages select msg.Message; message += ": " + string.Join <string>("\n", m); } // Show error message ShowStatusMessage(message); // Re-enable the generate button myGenerateButton.Enabled = true; } }
private async void HandleGenerationStatusChange(GenerateGeodatabaseJob job) { JobStatus status = job.Status; // If the job completed successfully, add the geodatabase data to the map if (status == JobStatus.Succeeded) { // Clear out the existing layers myMapView.Map.OperationalLayers.Clear(); // Get the new geodatabase _resultGdb = await job.GetResultAsync(); // Loop through all feature tables in the geodatabase and add a new layer to the map foreach (GeodatabaseFeatureTable table in _resultGdb.GeodatabaseFeatureTables) { // Create a new feature layer for the table FeatureLayer layer = new FeatureLayer(table); // Add the new layer to the map myMapView.Map.OperationalLayers.Add(layer); } // Enable editing features _readyForEdits = EditState.Ready; // Update the help label myHelpLabel.Text = "2. Tap a point feature to select"; } // See if the job failed if (status == JobStatus.Failed) { // Create a message to show the user string message = "Generate geodatabase job failed"; // Show an error message (if there is one) if (job.Error != null) { message += ": " + job.Error.Message; } else { // If no error, show messages from the job foreach (JobMessage m in job.Messages) { // Get the text from the JobMessage and add it to the output string message += "\n" + m.Message; } } // Show the message ShowStatusMessage(message); } }
private async void HandleGenerationStatusChange(GenerateGeodatabaseJob job) { JobStatus status = job.Status; // Job が成功したら作成した ローカル ジオデータベース をマップに追加する if (status == JobStatus.Succeeded) { // 既存のレイヤーをクリア //myMapView.Map.OperationalLayers.Clear(); myMapView.Map.OperationalLayers.RemoveAt(0); // 新しいローカル ジオデータベース を取得 _resultGdb = await job.GetResultAsync(); mGdbFeatureTable = _resultGdb.GeodatabaseFeatureTables.FirstOrDefault(); // テーブから新しいフィーチャ レイヤを作成する FeatureLayer layer = new FeatureLayer(mGdbFeatureTable); // 新しいレイヤーをマップに追加する myMapView.Map.OperationalLayers.Add(layer); // 編集機能を有効にする _readyForEdits = EditState.Ready; } // ジオデータベースの作成ジョブに失敗した時 if (status == JobStatus.Failed) { // エラーメッセージの作成 string message = "ジオデータベースの作成に失敗"; // エラーメッセージを表示する(存在する場合) if (job.Error != null) { message += ": " + job.Error.Message; } else { // エラーがなければ、ジョブからのメッセージを表示する foreach (JobMessage m in job.Messages) { // JobMessage からテキストを取得し、出力文字列に追加します message += "\n" + m.Message; } } // メッセージを表示する ShowStatusMessage(message); } }
private async Task StartGeodatabaseGeneration() { // Update the geodatabase path. _gdbPath = $"{Path.GetTempFileName()}.geodatabase"; // Create a task for generating a geodatabase (GeodatabaseSyncTask). _gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri); // Get the (only) graphic in the map view. Graphic redPreviewBox = myMapView.GraphicsOverlays.First().Graphics.First(); // Get the current extent of the red preview box. Envelope extent = redPreviewBox.Geometry as Envelope; // Get the default parameters for the generate geodatabase task. GenerateGeodatabaseParameters generateParams = await _gdbSyncTask.CreateDefaultGenerateGeodatabaseParametersAsync(extent); // Create a generate geodatabase job. GenerateGeodatabaseJob generateGdbJob = _gdbSyncTask.GenerateGeodatabase(generateParams, _gdbPath); // Show the progress bar. myProgressBar.IsVisible = true; // Handle the progress changed event with an inline (lambda) function to show the progress bar. generateGdbJob.ProgressChanged += (sender, e) => { // Get the job. GenerateGeodatabaseJob job = (GenerateGeodatabaseJob)sender; // Update the progress bar. UpdateProgressBar(job.Progress); }; // Start the job. generateGdbJob.Start(); // Get the result. _resultGdb = await generateGdbJob.GetResultAsync(); // Hide the progress bar. myProgressBar.IsVisible = false; // Handle the job completion. HandleGenerationStatusChange(generateGdbJob); }
private async Task StartGeodatabaseGeneration() { // Create a task for generating a geodatabase (GeodatabaseSyncTask). _gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri); // Get the (only) graphic in the map view. Graphic redPreviewBox = MyMapView.GraphicsOverlays.First().Graphics.First(); // Get the current extent of the red preview box. Envelope extent = redPreviewBox.Geometry as Envelope; // Get the default parameters for the generate geodatabase task. GenerateGeodatabaseParameters generateParams = await _gdbSyncTask.CreateDefaultGenerateGeodatabaseParametersAsync(extent); // Create a generate geodatabase job. GenerateGeodatabaseJob generateGdbJob = _gdbSyncTask.GenerateGeodatabase(generateParams, _gdbPath); // Handle the progress changed event with an inline (lambda) function to show the progress bar. generateGdbJob.ProgressChanged += (sender, e) => { // Update the progress bar. UpdateProgressBar(generateGdbJob.Progress); }; // Show the progress bar. MyProgressBar.Visibility = Visibility.Visible; // Start the job. generateGdbJob.Start(); // Get the result of the job. _resultGdb = await generateGdbJob.GetResultAsync(); // Hide the progress bar. MyProgressBar.Visibility = Visibility.Collapsed; // Do the rest of the work. HandleGenerationCompleted(generateGdbJob); }
private async Task StartGeodatabaseGeneration() { _generateButton.Enabled = false; // Update geodatabase path. _gdbPath = $"{Path.GetTempFileName()}.geodatabase"; // Create a task for generating a geodatabase (GeodatabaseSyncTask). _gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri); // Get the (only) graphic in the map view. Graphic redPreviewBox = _myMapView.GraphicsOverlays.First().Graphics.First(); // Get the current extent of the red preview box. Envelope extent = redPreviewBox.Geometry as Envelope; // Get the default parameters for the generate geodatabase task. GenerateGeodatabaseParameters generateParams = await _gdbSyncTask.CreateDefaultGenerateGeodatabaseParametersAsync(extent); // Create a generate geodatabase job. _gdbGenJob = _gdbSyncTask.GenerateGeodatabase(generateParams, _gdbPath); // Handle the progress changed event. _gdbGenJob.ProgressChanged += GenerateGdbJob_ProgressChanged; // Show the progress bar. _progressBar.Hidden = false; // Start the job. _gdbGenJob.Start(); // Get the result. _resultGdb = await _gdbGenJob.GetResultAsync(); // Do the rest of the work. HandleGenerationCompleted(_gdbGenJob); }
private async Task GetLocalGeodatabase() { // Get the path to the local geodatabase for this platform (temp directory, for example) string localGeodatabasePath = GetGdbPath(); try { // See if the geodatabase file is already present if (File.Exists(localGeodatabasePath)) { // If the geodatabase is already available, open it, hide the progress control, and update the message _localGeodatabase = await Geodatabase.OpenAsync(localGeodatabasePath); _progressBar.Visibility = Android.Views.ViewStates.Gone; _messageTextBlock.Text = "Using local geodatabase from '" + _localGeodatabase.Path + "'"; } else { // Create a new GeodatabaseSyncTask with the uri of the feature server to pull from GeodatabaseSyncTask gdbTask = await GeodatabaseSyncTask.CreateAsync(new Uri(SyncServiceUrl)); // Create parameters for the task: layers and extent to include, out spatial reference, and sync model GenerateGeodatabaseParameters gdbParams = await gdbTask.CreateDefaultGenerateGeodatabaseParametersAsync(_extent); gdbParams.OutSpatialReference = _mapView.SpatialReference; gdbParams.SyncModel = SyncModel.Layer; gdbParams.LayerOptions.Clear(); gdbParams.LayerOptions.Add(new GenerateLayerOption(0)); gdbParams.LayerOptions.Add(new GenerateLayerOption(1)); // Create a geodatabase job that generates the geodatabase GenerateGeodatabaseJob generateGdbJob = gdbTask.GenerateGeodatabase(gdbParams, localGeodatabasePath); // Handle the job changed event and check the status of the job; store the geodatabase when it's ready generateGdbJob.JobChanged += (s, e) => { // Call a function to update the progress bar RunOnUiThread(() => UpdateProgressBar(generateGdbJob.Progress)); // See if the job succeeded if (generateGdbJob.Status == JobStatus.Succeeded) { RunOnUiThread(() => { // Hide the progress control and update the message _progressBar.Visibility = Android.Views.ViewStates.Gone; _messageTextBlock.Text = "Created local geodatabase"; }); } else if (generateGdbJob.Status == JobStatus.Failed) { RunOnUiThread(() => { // Hide the progress control and report the exception _progressBar.Visibility = Android.Views.ViewStates.Gone; _messageTextBlock.Text = "Unable to create local geodatabase: " + generateGdbJob.Error.Message; }); } }; // Start the generate geodatabase job _localGeodatabase = await generateGdbJob.GetResultAsync(); } } catch (Exception ex) { // Show a message for the exception encountered RunOnUiThread(() => { ShowStatusMessage("Generate Geodatabase", "Unable to create offline database: " + ex.Message); }); } }
private async Task GetLocalGeodatabase() { // Get the path to the local geodatabase for this platform (temp directory, for example) var localGeodatabasePath = GetGdbPath(); try { // See if the geodatabase file is already present if (File.Exists(localGeodatabasePath)) { // If the geodatabase is already available, open it, hide the progress control, and update the message _localGeodatabase = await Geodatabase.OpenAsync(localGeodatabasePath); LoadingProgressBar.Visibility = Visibility.Collapsed; MessageTextBlock.Text = "Using local geodatabase from '" + _localGeodatabase.Path + "'"; } else { // Create a new GeodatabaseSyncTask with the uri of the feature server to pull from var uri = new Uri(SyncServiceUrl); var gdbTask = await GeodatabaseSyncTask.CreateAsync(uri); // Create parameters for the task: layers and extent to include, out spatial reference, and sync model var gdbParams = await gdbTask.CreateDefaultGenerateGeodatabaseParametersAsync(_extent); gdbParams.OutSpatialReference = MyMapView.SpatialReference; gdbParams.SyncModel = SyncModel.Layer; gdbParams.LayerOptions.Clear(); gdbParams.LayerOptions.Add(new GenerateLayerOption(0)); gdbParams.LayerOptions.Add(new GenerateLayerOption(1)); // Create a geodatabase job that generates the geodatabase GenerateGeodatabaseJob generateGdbJob = gdbTask.GenerateGeodatabase(gdbParams, localGeodatabasePath); // Handle the job changed event and check the status of the job; store the geodatabase when it's ready generateGdbJob.JobChanged += (s, e) => { // See if the job succeeded if (generateGdbJob.Status == JobStatus.Succeeded) { this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { // Hide the progress control and update the message LoadingProgressBar.Visibility = Visibility.Collapsed; MessageTextBlock.Text = "Created local geodatabase"; }); } else if (generateGdbJob.Status == JobStatus.Failed) { this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { // Hide the progress control and report the exception LoadingProgressBar.Visibility = Visibility.Collapsed; MessageTextBlock.Text = "Unable to create local geodatabase: " + generateGdbJob.Error.Message; }); } }; // Start the generate geodatabase job _localGeodatabase = await generateGdbJob.GetResultAsync(); } } catch (Exception ex) { // Show a message for the exception encountered this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { MessageDialog dialog = new MessageDialog("Unable to create offline database: " + ex.Message); dialog.ShowAsync(); }); } }
private async Task GetLocalGeodatabase() { string localGeodatabasePath = GetGdbPath(); try { // See if the geodatabase file is already present. if (File.Exists(localGeodatabasePath)) { // If the geodatabase is already available, open it, hide the progress control, and update the message. _localGeodatabase = await Geodatabase.OpenAsync(localGeodatabasePath); _progressBar.Hidden = true; _statusLabel.Text = "Using local geodatabase."; } else { // Create a new GeodatabaseSyncTask with the URI of the feature server to pull from. Uri uri = new Uri(SyncServiceUrl); GeodatabaseSyncTask gdbTask = await GeodatabaseSyncTask.CreateAsync(uri); // Create parameters for the task: layers and extent to include, out spatial reference, and sync model. GenerateGeodatabaseParameters gdbParams = await gdbTask.CreateDefaultGenerateGeodatabaseParametersAsync(_extent); gdbParams.OutSpatialReference = _mapView.SpatialReference; gdbParams.SyncModel = SyncModel.Layer; gdbParams.LayerOptions.Clear(); gdbParams.LayerOptions.Add(new GenerateLayerOption(0)); gdbParams.LayerOptions.Add(new GenerateLayerOption(1)); // Create a geodatabase job that generates the geodatabase. GenerateGeodatabaseJob generateGdbJob = gdbTask.GenerateGeodatabase(gdbParams, localGeodatabasePath); // Handle the job changed event and check the status of the job; store the geodatabase when it's ready. generateGdbJob.JobChanged += (s, e) => { // Call a function to update the progress bar. InvokeOnMainThread(() => UpdateProgressBar(generateGdbJob.Progress)); switch (generateGdbJob.Status) { // See if the job succeeded. case JobStatus.Succeeded: InvokeOnMainThread(() => { // Hide the progress control and update the message. _progressBar.Hidden = true; _statusLabel.Text = "Created local geodatabase"; }); break; case JobStatus.Failed: InvokeOnMainThread(() => { // Hide the progress control and report the exception. _progressBar.Hidden = true; _statusLabel.Text = "Unable to create local geodatabase: " + generateGdbJob.Error.Message; }); break; } }; // Start the generate geodatabase job. _localGeodatabase = await generateGdbJob.GetResultAsync(); } } catch (Exception ex) { // Show a message for the exception encountered. InvokeOnMainThread(() => { ShowMessage("Generate Geodatabase", "Unable to create offline database: " + ex.Message, "OK"); }); } }