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This article explains the fundamentals of Java dynamic proxy, demonstrates how to use Proxy and InvocationHandler to eliminate repetitive null‑checks in MVP presenters and to create flexible, decoupled module interactions, providing complete code examples and practical insights.
The article reports on Liulishuo’s participation in Interspeech 2017 and the SLaTE 2017 workshop, summarizing key research papers on noise‑robust ASR, attention‑based models, TensorFlow training, modern TTS systems, speaker identification datasets, and includes a hiring announcement for AI engineers.
DeepGrammar is a bidirectional GRU‑based neural model that detects subject‑verb agreement errors by encoding surrounding context into fixed‑length vectors, outperforming rule‑based, classifier, and NMT approaches on the CoNLL‑2014 benchmark and achieving state‑of‑the‑art results across multiple error types.
This article explains how to implement a reliable Android music app by leveraging MediaSession for UI‑service synchronization, handling background playback, MediaButton events, AudioFocus, Wi‑Fi and WakeLocks, custom notifications, and compatibility across Android versions.
The article recaps Liulishuo engineers' experience at Spark Summit 2017, covering Spark 2.2's cost‑based optimizer, production‑ready Structured Streaming, deep‑learning support via UDFs, live demos recognizing James Bond, and insights from vendor booths and industry case studies.
Three Liulishuo iOS engineers attended WWDC 2017 and report on Apple’s new iPad productivity features, App Store redesign, Swift updates, Xcode enhancements, and the introduction of CoreML, ARKit, and HomePod, offering developers valuable insights into the evolving iOS ecosystem.
This article provides Android developers with practical guidance on using Kotlin instead of Java, covering basic syntax, data classes, singletons, activity navigation, Retrofit with OkHttp, and RxJava to streamline development and improve productivity.
This article explains how Dagger 2 structures dependency injection for Android apps using Modules, Components, and Subcomponents, illustrating their roles with diagrams, comparing them to manual injection, and showing how they clarify code dependencies while keeping runtime overhead minimal.
This technical guide demonstrates how to configure an iOS audio capture session using Swift, implement a custom multiplexer class to safely route microphone input to multiple processing destinations, and efficiently handle real-time audio data streams for language learning applications.
This article details the evolution of the Android Recorder used in the FluentSpeak app, covering API choices, AudioFocus handling, processing patterns, encountered challenges such as encoder blocking, testing difficulties, and native crashes, and presents solutions like ProcessThread, AudioProcessor abstraction, WavFileRecorder, and ServiceWrapper to improve reliability and extensibility.
