private async void OnAnalyzeText(object sender, EventArgs e) { if (_photo == null) { return; } EnableAllButtons(false); try { RecognitionResult result = await ComputerVision.MakeTextRequest(_photo); ActivityIndicator.IsRunning = false; if (result == null) { await DisplayAlert("Text Result", "No text found", "OK"); return; } var text = new StringBuilder(); foreach (var line in result.Lines) { text.AppendLine(string.Join(" ", line.Text)); } await DisplayAlert("Text Result", text.ToString(), "OK"); } catch (Exception ex) { await DisplayAlert("Text Error", ex.Message, "OK"); } finally { EnableAllButtons(true); } }
private async void OnAnalyzeOcr(object sender, EventArgs e) { if (_photo == null) { return; } EnableAllButtons(false); try { OcrResult result = await ComputerVision.MakeOcrRequest(_photo); ActivityIndicator.IsRunning = false; if ((result?.Regions.Count ?? 0) == 0) { await DisplayAlert("OCR Result", "No text found", "OK"); return; } var text = new StringBuilder(); foreach (var region in result.Regions) { foreach (var line in region.Lines) { text.AppendLine(string.Join(" ", line.Words.Select(w => w.Text))); } text.AppendLine(); } await DisplayAlert("OCR Result", text.ToString(), "OK"); } catch (Exception ex) { await DisplayAlert("OC Error", ex.Message, "OK"); } finally { EnableAllButtons(true); } }
private async void OnAnalyzePhoto(object sender, EventArgs e) { if (_photo == null) { return; } EnableAllButtons(false); try { ImageAnalysis analysis = await ComputerVision.MakeAnalysisRequest(_photo); ActivityIndicator.IsRunning = false; await DisplayAlert("Image Analysis", analysis?.Description.Captions.FirstOrDefault()?.Text, "OK"); } catch (Exception ex) { await DisplayAlert("Analysis Error", ex.Message, "OK"); } finally { EnableAllButtons(true); } }