Use the solutions provided in this book to handle common challenges in Xamarin.Forms that are encountered on a daily basis. Working examples and techniques are presented that you can modify and drop directly into your own projects. You will be able to deliver working code faster than ever. Examples are made available through GitHub, maximizing the convenience and value this book provides to Xamarin.Forms developers.
Solutions in the book are organized broadly into problem domains such as user interface for applications, data and security, connectivity and external services, and more. Within each domain the book presents specific solutions addressing challenges that are commonly faced. Under data and security, for example, you’ll find specific solutions around storing login credentials, local data caching, and sending authorization tokens in HTTP requests.
Not only do the solutions in the book solve specific problems, they also present best practices that can inform and improve the quality of the code that you write. Xamarin.Forms Solutions is chock full of practical advice and code examples that no Xamarin.Forms programmer will want to be without. The basics of Xamarin.Forms are provided for beginning developers.
What You'll Learn
- Know the in-depth basics of Xamarin.Forms and the inner workings
- Create custom renderers and dependency services
- Manage the appearance of user interfaces through styling and theming, layout options, rotation, and animation
- Build sophisticated user interfaces using a variety of controls that allow for PDF viewing, barcode interpretation, searching and finding, and other controls
- Secure your applications, and communicate securely with services via HTTP requests
- Sign and deploy your apps and optimize the binary file size
Who This Book Is For
Those building mobile applications on the Xamarin platform for iOS and Android. By mixing together the solutions and a thorough explanation of the basics of Xamarin.Forms, the book spans the needs of beginning through intermediate Xamarin.Forms developers. Even experts will find a few gems to improve the quality and speed of their application development work.
使用本書提供的解決方案來處理在 Xamarin.Forms 中每天遇到的常見挑戰。書中提供了可供修改並直接應用於您自己專案的實作範例和技術。您將能夠比以往更快地交付可運行的程式碼。範例可通過 GitHub 獲得，最大化本書對 Xamarin.Forms 開發者的便利性和價值。
本書中的解決方案大致上按問題領域組織，例如應用程式的使用者介面、數據與安全性、連接性與外部服務等。在每個領域中，本書提供針對常見挑戰的具體解決方案。例如，在數據與安全性部分，您將找到有關存儲登錄憑證、本地數據快取以及在 HTTP 請求中發送授權令牌的具體解決方案。
本書中的解決方案不僅解決特定問題，還提供最佳實踐，幫助您改善所寫程式碼的質量。《Xamarin.Forms Solutions》充滿了實用建議和程式碼範例，任何 Xamarin.Forms 程式設計師都不會想要錯過。書中也為初學者提供了 Xamarin.Forms 的基本知識。
您將學到的內容：
- 瞭解 Xamarin.Forms 的深入基本知識及其內部運作
- 創建自定義渲染器和依賴服務
- 通過樣式和主題、佈局選項、旋轉和動畫來管理使用者介面的外觀
- 使用各種控制項構建複雜的使用者介面，支持 PDF 查看、條碼解讀、搜索和查找等功能
- 確保您的應用程式安全，並通過 HTTP 請求與服務安全通信
- 簽署和部署您的應用程式，並優化二進位檔案大小
本書適合對象：
本書適合在 Xamarin 平台上為 iOS 和 Android 構建移動應用程式的開發者。通過結合解決方案和對 Xamarin.Forms 基本知識的詳細解釋，本書涵蓋了從初學者到中級 Xamarin.Forms 開發者的需求。即使是專家也能找到一些寶貴的建議，以提高他們的應用程式開發工作的質量和速度。
