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Ximalaya Technology Team

Official account of Ximalaya's technology team, sharing distilled technical experience and insights to grow together.

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Latest from Ximalaya Technology Team

44 recent articles

Ximalaya Technology Team

Aug 12, 2023 · Mobile Development

Why Android 8+ Blocks startService in Background and How startForegroundService Avoids Crashes

This article explains the Android 8.1+ restriction that prevents background apps from using startService, details the internal flow that leads to a Not allowed to start service crash, shows how startForegroundService works with a mandatory foreground notification timeout, and provides code‑level analysis of the ANR and crash “bombs”, UID idle handling, and practical mitigation strategies.

ANRAndroidCrash

0 likes · 41 min read

Why Android 8+ Blocks startService in Background and How startForegroundService Avoids Crashes

Ximalaya Technology Team

Aug 11, 2023 · Mobile Development

Simplifying Android Network Requests with Kotlin Coroutines

By converting Android network calls from callback‑based listeners to Kotlin coroutines, the code becomes sequential, eliminates duplicated UI‑state checks, centralizes loading handling, supports parallel requests with async/await, and integrates with lifecycleScope for automatic cancellation, greatly improving readability and safety.

AndroidKotlinNetwork Requests

0 likes · 15 min read

Simplifying Android Network Requests with Kotlin Coroutines

Ximalaya Technology Team

Jul 13, 2023 · Databases

Evolution of Ximalaya KV Storage and XCache Architecture

Ximalaya’s KV storage progressed from a simple Redis master‑slave setup to client‑side sharding, then adopted Codis clustering for elastic scaling, integrated Pika’s disk‑based store with cold‑hot separation, introduced KV‑blob separation, fast‑slow command pools, second‑level expansion, ehash fields, large‑key circuit breaking, multi‑active data‑center replication, and now targets cloud‑native deployment, advanced features, and AI‑driven operations.

CodisKV storagePika

0 likes · 19 min read

Evolution of Ximalaya KV Storage and XCache Architecture

Ximalaya Technology Team

Jul 13, 2023 · Mobile Development

Ximalaya Live Streaming Instant-Start Optimization Practices

Ximalaya improves live‑stream start‑up by measuring first‑frame latency, optimizing push (dynamic bitrate, GOP caching) and pull (RTMP/HTTP‑FLV, HttpDNS, pre‑fetch URLs, progressive component loading, pre‑render SurfaceView, low‑buffer water‑level) across detailed pipeline stages, achieving over 90 % audio and 85 % video instant‑open rates while planning H.265 adoption.

HTTP-FLVPerformance optimizationQoE

0 likes · 14 min read

Ximalaya Live Streaming Instant-Start Optimization Practices