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Snowball Engineer Team

Proactivity, efficiency, professionalism, and empathy are the core values of the Snowball Engineer Team; curiosity, passion, and sharing of technology drive their continuous progress.

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Latest from Snowball Engineer Team

46 recent articles

Snowball Engineer Team

Apr 2, 2022 · Mobile Development

Startup Optimization for the Snowball Android App: Principles, Problem Attribution, and Solutions

This article explains the fundamentals of Android app startup, categorizes cold, hot, and warm launches, identifies performance bottlenecks using tools like ADB, Systrace, and Traceview, and presents concrete optimization strategies for Application creation and splash-screen rendering that reduce launch time by up to 60 percent.

AndroidPerformance optimizationSystrace

0 likes · 12 min read

Startup Optimization for the Snowball Android App: Principles, Problem Attribution, and Solutions

Snowball Engineer Team

Mar 22, 2022 · Mobile Development

Optimizing iOS UI Smoothness: Hitch Detection and Performance Tuning for Feed and Article Pages

This article details practical strategies for improving iOS app UI smoothness by defining and measuring frame hitches, utilizing profiling tools like Instruments and flame graphs, and implementing targeted optimizations for rich text rendering, constraint layouts, and view management to significantly reduce hitch ratios.

Auto LayoutFrame HitchesInstruments Profiling

0 likes · 11 min read

Optimizing iOS UI Smoothness: Hitch Detection and Performance Tuning for Feed and Article Pages

Snowball Engineer Team

Nov 5, 2021 · Mobile Development

Adapting iOS 15 UI Changes: UINavigationBar, UITabBar, UITableView Issues and Solutions

This article reviews common iOS 15 UI adaptation problems—including UINavigationBar/UITabBar appearance, increased UITableView section header height, cell flickering caused by prefetching, and ProMotion refresh rate support—explains their underlying reasons, and provides concrete code solutions for developers using Xcode 13.

MobileDevelopmentNavigationBarUIKit

0 likes · 13 min read

Adapting iOS 15 UI Changes: UINavigationBar, UITabBar, UITableView Issues and Solutions

Snowball Engineer Team

Oct 28, 2021 · Mobile Development

Redesigning Snowball's Android Network Framework with OkHttp and Retrofit: Architecture, Issues, and Migration

This article details the redesign of Snowball's Android network framework using OkHttp and Retrofit, covering motivations, architectural layers, solutions for domain switching, custom annotations, data validation, migration strategy, and the resulting performance and maintainability improvements.

AndroidKotlinNetwork

0 likes · 17 min read

Redesigning Snowball's Android Network Framework with OkHttp and Retrofit: Architecture, Issues, and Migration

Snowball Engineer Team

Sep 24, 2021 · Mobile Development

Custom Stock K-Line Chart with Jetpack Compose: Drawing and Gesture Handling

This article demonstrates how to build a custom stock K-line chart in Android using Jetpack Compose, covering the transition from traditional View drawing to Compose's Canvas API, detailed code for rendering, and implementing drag, long‑press, and pinch‑zoom gestures with state‑driven UI updates.

AndroidCustom ViewJetpack Compose

0 likes · 16 min read

Custom Stock K-Line Chart with Jetpack Compose: Drawing and Gesture Handling

Snowball Engineer Team

Sep 8, 2021 · Mobile Development

A Robust Approach to Android UI Component Exposure Tracking Using Custom View Lifecycle Management

This article analyzes the limitations of traditional Android exposure tracking methods that rely on parent container lifecycles and introduces a reusable, low-intrusion solution using a custom layout that leverages core View lifecycle callbacks and drawing listeners to accurately detect component visibility and duration.

Android DevelopmentCustom ViewExposure Analytics

0 likes · 15 min read

A Robust Approach to Android UI Component Exposure Tracking Using Custom View Lifecycle Management

Snowball Engineer Team

Aug 26, 2021 · Backend Development

Diagnosing and Optimizing Server CPU Spikes Caused by Excessive DateTime Object Creation in Java

This article explains how to identify and resolve server CPU spikes caused by excessive DateTime object creation in a Java application, detailing step‑by‑step Linux command usage, JStack and JProfiler analysis, and a refactoring solution that replaces DateTime comparisons with string comparisons to reduce GC pressure.

CPUJavaLinux

0 likes · 4 min read

Diagnosing and Optimizing Server CPU Spikes Caused by Excessive DateTime Object Creation in Java

Snowball Engineer Team

Aug 20, 2021 · Mobile Development

Automating iOS Color Management and Code Snippet Generation with CocoaPods, Ruby, and ERB

This article describes a complete workflow for iOS UI development that centralizes color definitions in a JSON palette, synchronizes them via a CocoaPods post‑integrate hook, and automatically generates Objective‑C/Swift color constants and Xcode code snippets using Ruby and ERB templates, dramatically improving efficiency and reducing manual errors.

CocoaPodsColor ManagementRuby

0 likes · 12 min read

Automating iOS Color Management and Code Snippet Generation with CocoaPods, Ruby, and ERB

Snowball Engineer Team

Jun 17, 2021 · Mobile Development

Implementing Linked Scrolling Between RecyclerView and Bottom Sheet in Android

This article describes how the Snowball Android team solved the slow‑frame issue on the fund detail page by implementing a split‑screen loading layout using RecyclerView, CoordinatorLayout, and ViewPager, focusing on achieving a linked scrolling effect for the bottom discussion overlay through custom BottomSheetBehavior extensions and nested scrolling mechanisms.

AndroidBottomSheetBehaviorCoordinatorLayout

0 likes · 13 min read

Implementing Linked Scrolling Between RecyclerView and Bottom Sheet in Android

Snowball Engineer Team

Feb 19, 2021 · Mobile Development

Addressing Common Android Development Issues with the Snowball Onion Architecture

This article examines typical Android development challenges such as lack of standard architecture, lifecycle management, and testing difficulties, and presents the Snowball onion architecture—an MVVM‑based, RxJava‑powered framework with reusable components, best‑practice guidelines, and a supporting xueqiu‑onion library.

AndroidMVVMRxJava

0 likes · 12 min read

Addressing Common Android Development Issues with the Snowball Onion Architecture