AI-Enabled Apps with .NET MAUI: How to Build Cross-Platform .NET MAUI Apps with the Latest AI Capabilities

Table of Contents....5 About the Author....10 About the Technical Reviewer....11 Acknowledgments....12 Chapter 1: Introduction to .NET MAUI....13 Introduction....13 .NET....15 .NET MAUI....16 .NET MAUI Focus....17 Prepare Your Development Environment....20 Visual Studio Setup....21 Create Your .NET MAUI Application....22 Summary....24 Chapter 2: Introduction to AI....26 Introduction....26 AI Is Everywhere....27 AI Models....29 Overview of AI Services (Azure AI, Google AI, OpenAI)....30 Azure AI....31 Google AI....32 OpenAI....32 Summary....33 Chapter 3: Integrating AI Capabilities in .NET MAUI....34 Introduction....34 How to Call REST APIs in .NET MAUI....34 Understand How to Use AI APIs, Handle Authentication, and How to Handle Responses....39 How to Process AI-Generated Content....40 How to Integrate Azure AI....45 How to Integrate Google AI....57 How to Integrate OpenAI....60 Summary....64 Chapter 4: Sentiment Analysis....65 Introduction....65 Linguistics and Feelings....65 Azure AI Language Service....67 Create the Service....71 Use the Service in Your App....74 Our AI Assistant....81 Summary....81 Chapter 5: AI-Powered Chatbots....82 Introduction....82 Chatbots....82 Prompts....83 Integrate an Azure Chatbot....83 Integrate ChatGPT....88 Integrate Gemini Chatbot....105 Custom UI AI Chatbot....111 Improve UX and UI for Your Chatbot....115 Summary....116 Chapter 6: AI-Based Image Capabilities....117 Introduction....117 Inside an Image....117 Generate Image Description....118 Detect Object Inside Images....132 Your Photos, Your Power....141 Summary....143 Chapter 7: OCROptical Character Recognition....144 Introduction....144 Detect Handwritten Notes....145 Detect Text Inside a Picture....154 Summary....157 Chapter 8: Voice App with Speech Recognition....158 Introduction....158 Voice or Text?....158 Speech Recognition....159 From Text to Speech....173 Summary....177 Chapter 9: AI-Powered Translations....178 Introduction....178 Lost in Translation....178 How AI Translation Works....179 Azure AI Translation....180 Summary....194 Chapter 10: AI-Powered Content Summarizer....195 Introduction....195 Beyond ChatGPT....195 OpenAI Models....196 Content Summarizer....196 Integrate a Content Summarizer in a .NET MAUI Application....197 Summary....207 Chapter 11: Let Google Gemini Search into Your .NET MAUI App....208 Introduction....208 Google Search....208 Google Gemini....210 Retrieval-Augmented Generation....210 Add Gemini to a .NET MAUI App....213 Summary....226 Chapter 12: Edge AI and Offline AI Models....227 Introduction....227 Edge AI....227 Local AI Devices....228 Edge AI and .NET MAUI....229 Create Your AI Model....231 Summary....248 Chapter 13: Ethical Considerations with AI and AI Applications....249 Introduction....249 Ethics....249 Ethics and AI....250 UNESCO Ethical Compass....251 AI Regulations Around the World....253 Big Tech Companies and Responsible AI....254 AI Pope Act....255 Considerations....256 Summary....256 Chapter 14: Security Standards and AI....257 Introduction....257 API Calls....258 Secure Storage....262 Data Encryption....264 Authentication and Authorization....265 Input Validation....265 Check Your Logs....266 Check for Updates....266 Privacy and Compliance....267 Obfuscation....271 Dev-Friendly App Security Checklist....272 Summary....272 Chapter 15: Deploying AI-Powered .NET MAUI Apps....274 Introduction....274 Dont Forget to Test Your Application....274 AI-Specific Checks....276 Check Your App Accessibility....276 Check App Permissions....277 Get Your Assets Ready....279 Your Apps Metadata Is Who You Are....279 Get Your Certificates....280 Prepare Your Accounts and Packages....280 Conquer the World with Your App....282 Summary....282 Chapter 16: Conclusion....284 Index....287