App Battery Consumption Analysis and Optimization in Short Video Features
The article examines why short‑video list pages drain far more battery than detail pages, explains Android power‑profile calculations and testing with Battery Historian, and demonstrates code‑level fixes—replacing heavy layout animations with ValueAnimator—to dramatically reduce CPU‑intensive rendering and improve app battery efficiency.
This technical article analyzes battery consumption issues in short video features of a mobile app, focusing on performance testing and optimization strategies. It details a case study where video list pages consumed 11 times more battery than detail pages due to inefficient animation rendering. The analysis includes battery calculation principles from system-level data (power_profile.xml), testing methodologies using Battery Historian, and code-level fixes for animation rendering inefficiencies.
The content covers three main sections: case analysis of battery anomalies, system-level power consumption principles, and post-optimization validation results. Code examples demonstrate before/after rendering optimizations using ValueAnimator instead of layout-heavy approaches. The article emphasizes systematic testing scenarios and technical validation processes.
Key technical insights include understanding Android's power profiling mechanisms, identifying CPU-intensive rendering patterns, and implementing efficient animation strategies to reduce battery drain. The conclusion highlights continuous optimization practices in mobile app development.
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Meituan Technology Team
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