Tencent TDS Service

Jan 14, 2016 · Mobile Development

How to Accurately Measure and Reduce Android Bitmap Memory Usage

This article explains Android's DisplayMetrics density values, shows how to calculate a Bitmap's runtime memory footprint using getByteCount, explores the impact of screen density, pixel format, and scaling, and provides practical techniques such as inSampleSize, matrix scaling, and pixel format selection to minimize memory consumption.