每日新聞摘要

This article introduces Jetpack Compose 1.9.2, focusing on modern Android development practices. It highlights the latest features that enhance user interface design, performance optimizations that improve app responsiveness, and architectural patterns that guide developers in creating robust applications. The content is aimed at helping developers leverage these advancements to transform their app development process.

本文介绍了 Jetpack Compose 1.9.2，重点在于现代 Android 开发实践。它突显了增强用户界面设计的最新功能、提高应用程序响应速度的性能优化，以及指导开发者创建稳健应用程序的架构模式。内容旨在帮助开发者利用这些进步来改变他们的应用开发过程。

This article discusses the challenges of UI lag in Jetpack Compose, particularly focusing on invisible UI elements and unstable lambdas that can spike UI thread usage. It presents a real-world performance case study, highlighting the importance of profiling and diagnosing issues to enhance user experience. The author offers practical solutions to mitigate jank, ensuring smoother performance in applications built with Jetpack Compose.

本文讨论了 Jetpack Compose 中 UI 延迟的挑战，特别是无形 UI 元素和不稳定的 Lambda 可能导致 UI 线程使用率激增的问题。文章提供了一个真实世界的性能案例研究，强调分析和诊断问题以提升用户体验的重要性。作者提出了实用的解决方案，以减少延迟，确保使用 Jetpack Compose 构建的应用程序性能更流畅。

The Interface Segregation Principle (ISP) is one of the SOLID principles that advocates for the creation of smaller, more specific interfaces rather than large, general ones. This article discusses the negative impact of 'fat' interfaces on codebases, particularly in Android development. By using a Weather App as an example, it illustrates how adhering to ISP can lead to cleaner, more maintainable code. The principle encourages developers to design interfaces that are tailored to the needs of specific clients, thereby enhancing code flexibility and reducing the risk of changes affecting unrelated parts of the system.

接口隔离原则（ISP）是 SOLID 原则之一，主张创建更小、更具体的接口，而不是大型的通用接口。本文讨论了“肥胖”接口对代码库的负面影响，特别是在 Android 开发中的应用。通过使用天气应用程序作为示例，说明了遵循 ISP 如何导致更干净、更易于维护的代码。该原则鼓励开发者设计针对特定客户需求的接口，从而提高代码的灵活性，减少变更影响无关系统部分的风险。

This article provides a comprehensive guide on setting up modern Android projects using Kotlin and Jetpack Compose. It emphasizes the importance of using the latest tools and best practices to build production-ready applications. By following the outlined steps, developers can effectively leverage Kotlin's features and Jetpack Compose's capabilities to create intuitive user interfaces.

本文提供了使用 Kotlin 和 Jetpack Compose 设置现代 Android 项目的全面指南。强调使用最新工具和最佳实践来构建生产就绪的应用程序的重要性。通过遵循所述步骤，开发人员可以有效利用 Kotlin 的特性和 Jetpack Compose 的功能来创建直观的用户界面。

Exponential back-off is a strategy used in Android to manage retries effectively. It emphasizes the importance of having a clear purpose behind each retry attempt, along with the need for patience and predictability in the process. By implementing this method, developers can optimize resource usage and improve the overall user experience, ensuring that applications respond gracefully under various conditions.

指数退避是一种在Android中有效管理重试的策略。它强调每次重试尝试背后应有明确的目的，以及在过程中需要耐心和可预测性。通过实施这种方法，开发者可以优化资源使用，改善整体用户体验，确保应用在各种情况下都能优雅地响应。

This article discusses the significance of the classic JVM lock in ensuring thread safety within Kotlin and JVM environments. It delves into concepts such as blocking synchronization and race conditions, highlighting how these issues can impact concurrent programming. Additionally, the article contrasts traditional locking mechanisms with Kotlin's coroutine Mutex, providing insights into their respective roles and functionalities in managing thread safety.

本文讨论了经典 JVM 锁在确保 Kotlin 和 JVM 环境中线程安全的重要性。它深入探讨了阻塞同步和竞争条件等概念，强调这些问题如何影响并发编程。此外，文章对比了传统锁机制与 Kotlin 的协程 Mutex，提供了关于它们在管理线程安全方面各自角色和功能的见解。

Kotlin's ReentrantLock is a powerful tool for managing concurrency, going beyond traditional synchronized methods. It introduces features such as fairness, allowing threads to access resources in an orderly manner, and non-blocking waits, which improve efficiency by preventing threads from being unnecessarily held up. Understanding and mastering ReentrantLock is essential for developers looking to enhance their Kotlin applications with advanced concurrency techniques.

Kotlin 的 ReentrantLock 是管理并发的强大工具，超越了传统的 synchronized 方法。它引入了公平性等特性，使线程能够有序地访问资源，以及非阻塞等待，通过防止线程不必要的等待来提高效率。理解和掌握 ReentrantLock 对于希望利用高级并发技术提升 Kotlin 应用程序的开发者来说至关重要。

The article discusses the advantages of using ScatterMap, a specialized data structure that offers improved memory efficiency and performance compared to standard collections. By leveraging this innovative map, developers can optimize their applications, leading to better resource management and faster execution times. The author encourages readers to explore the benefits of ScatterMap to enhance their coding practices.

这篇文章探讨了使用 ScatterMap 的优势，这是一种专门的数据结构，提供比标准集合更好的内存效率和性能。通过利用这种创新的映射，开发者可以优化他们的应用程序，从而实现更好的资源管理和更快的执行速度。作者鼓励读者探索 ScatterMap 的好处，以提升他们的编程实践。

This article serves as a practical guide for Android developers looking to implement Firebase Remote Config. It offers clear, real-world examples and step-by-step instructions that simplify the process. By following this guide, developers can effectively enhance their applications with dynamic configuration capabilities, making it easier to manage app behavior and appearance remotely.

这篇文章是针对希望实现 Firebase Remote Config 的 Android 开发者的实用指南。它提供了清晰的真实案例和逐步指导，简化了整个过程。通过遵循这本指南，开发者可以有效地增强他们的应用程序，实现动态配置功能，从而更轻松地管理应用程序的行为和外观。

This tutorial covers the process of enabling and customizing logging in a Jersey server application. It begins with a minimal setup, creating a REST endpoint and configuring Jersey to log requests and responses using SLF4J. The built-in LoggingFeature is introduced, allowing for various logging levels and verbosity. For more control, custom filters can be implemented to log specific details. The article also demonstrates how to create integration tests to verify logging functionality, ensuring that the expected logs are generated during request and response cycles. Overall, Jersey simplifies server-side logging while providing options for advanced configurations.

本教程涵盖了在 Jersey 服务器应用程序中启用和自定义日志记录的过程。首先建立一个最小的设置，创建一个 REST 端点并配置 Jersey 以使用 SLF4J 记录请求和响应。介绍了内置的 LoggingFeature，允许各种日志级别和详细程度。为了获得更多控制权，可以实现自定义过滤器以记录特定细节。文章还演示了如何创建集成测试以验证日志功能，确保在请求和响应循环中生成预期的日志。总体而言，Jersey 简化了服务器端日志记录，同时提供了高级配置的选项。

In this tutorial, we explore how to convert a string of comma-separated numbers into an integer array in Java. We begin by understanding the nature of strings in Java and how they can be manipulated using the split() method. The tutorial provides practical examples, demonstrating how to handle different delimiters such as commas, semicolons, and regex characters. By trimming whitespace and converting string elements to integers, we can effectively process numeric data from various sources, including user input and files. The techniques discussed can be applied to a wide range of programming tasks.

在本教程中，我们探讨如何将以逗号分隔的数字字符串转换为 Java 中的整数数组。我们首先了解 Java 中字符串的性质，以及如何使用 split() 方法进行操作。教程提供了实际示例，演示如何处理不同的分隔符，例如逗号、分号和正则表达式字符。通过修剪空白并将字符串元素转换为整数，我们可以有效地处理来自各种来源的数字数据，包括用户输入和文件。所讨论的技术可以应用于广泛的编程任务。

This tutorial explains how to calculate the difference between two angles in Java using three methods: absolute difference, shortest difference, and sign-preserving shortest difference. It begins with an overview of angles, their measurement units, and the importance of radians in Java's Math library. The absolute difference method calculates the standard positive difference, while the shortest difference method finds the smallest angle of rotation between two angles. Lastly, the sign-preserving shortest difference method not only calculates the shortest difference but also indicates the direction of rotation. The article emphasizes the circular nature of angles and the necessity of normalizing them before performing calculations.

本教程解释了如何在 Java 中计算两个角度之间的差异，使用三种方法：绝对差异、最短差异和保号的最短差异。首先介绍了角度、测量单位以及在 Java 的 Math 库中弧度的重要性。绝对差异方法计算标准的正差异，而最短差异方法则找到两个角度之间最小的旋转角度。最后，保号的最短差异方法不仅计算最短差异，还指示旋转的方向。文章强调了角度的圆形特性以及在进行计算之前需要对其进行标准化。

This article discusses various methods to set a property to null when using MapStruct for object mapping. It introduces the creation of model classes and demonstrates how to use annotations like @Mapping, @AfterMapping, and @SubclassMapping to achieve the desired null assignment for specific fields. The article emphasizes the flexibility of MapStruct in handling both simple and polymorphic types, allowing developers to maintain clean and reusable code. Additionally, it provides practical examples and test cases to validate the implementation, ensuring that the reviewedBy field is consistently set to null across different scenarios.

本文讨论了在使用 MapStruct 进行对象映射时，将属性设置为 null 的各种方法。它介绍了模型类的创建，并演示了如何使用 @Mapping、@AfterMapping 和 @SubclassMapping 等注解来实现特定字段的 null 指派。文章强调了 MapStruct 在处理简单和多态类型方面的灵活性，允许开发人员保持干净和可重用的代码。此外，还提供了实际示例和测试用例来验证实现，确保 reviewedBy 字段在不同场景中始终设置为 null。

This article discusses how to query JPA LocalDateTime fields using LocalDate values. It highlights the common issue of type mismatch when trying to directly compare LocalDateTime with LocalDate, which leads to exceptions. The tutorial offers multiple solutions, including using range queries to capture all records for a specific date, employing JPQL functions to extract date parts, and utilizing the Criteria API for dynamic queries. Additionally, it covers the use of native SQL queries for complex scenarios. Overall, the article provides practical insights for developers working with date and time in JPA.

本文讨论了如何使用 LocalDate 值查询 JPA 的 LocalDateTime 字段。它强调了直接比较 LocalDateTime 和 LocalDate 时类型不匹配的常见问题，这会导致异常。教程提供了多种解决方案，包括使用范围查询来捕获特定日期的所有记录，利用 JPQL 函数提取日期部分，以及使用 Criteria API 进行动态查询。此外，还涵盖了在复杂场景中使用原生 SQL 查询的情况。总体而言，本文为开发人员提供了在 JPA 中处理日期和时间的实用见解。

This tutorial introduces BaseX, a high-performance XML database that allows users to store, query, and manipulate XML data. It supports various interfaces, including a command-line tool and HTTP APIs, making it versatile for different use cases. Users can create databases, add resources, and execute XQuery commands to retrieve data. The tutorial also covers starting the HTTP server for remote access and managing user authentication. Overall, BaseX is a powerful tool for handling large amounts of XML data in applications.

本教程介绍了 BaseX，一个高性能的 XML 数据库，允许用户存储、查询和操作 XML 数据。它支持多种接口，包括命令行工具和 HTTP API，使其在不同用例中都能灵活运用。用户可以创建数据库、添加资源，并执行 XQuery 命令来检索数据。教程还涵盖了启动 HTTP 服务器以进行远程访问和管理用户身份验证。总体而言，BaseX 是处理大量 XML 数据的强大工具，适用于各种应用。

In this tutorial, we discussed the challenges of handling GET requests with a body using Spring Cloud OpenFeign, which adheres strictly to HTTP/1.1 specifications that discourage bodies in GET requests. We demonstrated how to set up a Feign client and showed that attempting to send a body results in a 405 Method Not Allowed error. The solution involves using the @SpringQueryMap annotation, which serializes the request parameters into URL query parameters, thus maintaining compliance with HTTP standards. This method not only resolves the issue but also ensures compatibility with caching and proxy behaviors, making API calls safer and more predictable.

在本教程中，我们讨论了使用 Spring Cloud OpenFeign 处理带有主体的 GET 请求所面临的挑战，因为它严格遵循不鼓励在 GET 请求中使用主体的 HTTP/1.1 规范。我们展示了如何设置 Feign 客户端，并指出尝试发送主体会导致 405 方法不允许的错误。解决方案是使用 @SpringQueryMap 注解，该注解将请求参数序列化为 URL 查询参数，从而保持与 HTTP 标准的一致性。这种方法不仅解决了问题，还确保了与缓存和代理行为的兼容性，使 API 调用更安全且更可预测。

In 'The Subtle Art of Making Android Animations Feel Expensive,' Joseph Sanjaya emphasizes the importance of quality animations in enhancing user experience. He explains that effective animations are not merely decorative but serve as essential feedback that guides users through the interface. By applying principles of motion design, developers can transform their apps from basic prototypes to polished products. The article outlines specific techniques for creating smooth transitions and animations that feel natural, ultimately fostering a sense of trust and elegance in the user interface.

在《让 Android 动画感觉昂贵的微妙艺术》中，Joseph Sanjaya 强调高质量动画在提升用户体验中的重要性。他解释说，有效的动画不仅仅是装饰，而是作为引导用户通过界面的重要反馈。通过应用运动设计原则，开发者可以将应用从基本原型转变为精致产品。文章概述了创建平滑过渡和感觉自然的动画的具体技术，最终促进用户界面中的信任感和优雅感。

The article discusses the deprecation of the bundleOf(...) function in AndroidX Core KTX. While it provided a convenient shorthand for creating Bundles, it was found to potentially introduce subtle runtime errors due to type issues. This has prompted developers to reconsider their approach to using this function and explore safer alternatives to avoid these pitfalls.

本文讨论了 AndroidX Core KTX 中 bundleOf(...) 函数的弃用。虽然它为创建 Bundles 提供了便利的简写，但由于类型问题，可能会引入微妙的运行时错误。这促使开发者重新考虑使用该函数的方法，并探索更安全的替代方案，以避免这些潜在的问题。

This article discusses how to implement secure, passwordless authentication in Android applications using Passkeys and the Credential Manager API. It provides insights into the setup process and includes Kotlin code examples to guide developers through the implementation. By leveraging these technologies, developers can enhance security and user experience by eliminating the need for traditional passwords.

本文讨论了如何在 Android 应用中使用 Passkeys 和 Credential Manager API 实现安全的无密码身份验证。它提供了设置过程的见解，并包含 Kotlin 代码示例，以指导开发人员完成实施。通过利用这些技术，开发人员可以通过消除传统密码来增强安全性和用户体验。

This article discusses the differences between REST and GraphQL, helping developers decide which approach is best suited for their Kotlin backend. It emphasizes the simplicity of REST compared to the flexibility of GraphQL, guiding readers on when to use each technology based on their specific requirements. The piece also touches on practical implementations in Kotlin, making it a valuable resource for backend development.

本文探讨了 REST 与 GraphQL 之间的差异，帮助开发者决定哪种方法最适合其 Kotlin 后端。强调了 REST 的简单性相比于 GraphQL 的灵活性，指导读者根据具体需求选择每种技术。文章还涉及了 Kotlin 中的实际实现，使其成为后端开发的宝贵资源。

The article discusses the UX design principles for 2025, highlighting the importance of clean, adaptive, and modern design patterns. It emphasizes how these principles are reshaping the way designers and developers create engaging digital experiences. By focusing on clarity and adaptability, designers can enhance user satisfaction and interaction in digital products.

本文讨论了2025年的UX设计原则，强调简洁、自适应和现代设计模式的重要性。这些原则正在重塑设计师和开发者创造引人入胜的数字体验的方式。通过关注清晰度和适应性，设计师可以提升用户的满意度和互动性。

In Jetpack Compose, developers frequently encounter issues that result in unnecessary recomposition, which can significantly impact application performance. This article emphasizes the importance of understanding the causes of recomposition and how to avoid common pitfalls. By addressing these mistakes, developers can enhance the efficiency of their code and improve the overall user experience.

在 Jetpack Compose 中，开发者经常遇到导致不必要重新组合的问题，这会显著影响应用性能。本文强调了理解重新组合原因的重要性，以及如何避免常见的陷阱。通过解决这些错误，开发者可以提高代码的效率，改善整体用户体验。

As the mobile app industry expands, developers face the challenge of selecting the most beneficial programming language to master. Dart, Swift, and Kotlin are among the leading languages in mobile development, each offering unique advantages. Understanding the strengths and applications of these languages is crucial for developers aiming to enhance their careers in a competitive market. This article explores the potential of each language and provides insights into which one might be the best choice for aspiring mobile developers in 2025.

随着移动应用行业的扩展，开发者面临选择最有利的编程语言的挑战。Dart、Swift和Kotlin是移动开发中的主要语言，各自提供独特的优势。了解这些语言的特点和应用对于希望在竞争激烈的市场中提升职业生涯的开发者至关重要。本文探讨了每种语言的潜力，并提供了对于2025年有志于成为移动开发者的最佳选择的见解。