android memory

最新推荐文章于 2025-12-06 11:32:12 发布

原创最新推荐文章于 2025-12-06 11:32:12 发布 · 95 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#移动开发

android 专栏收录该内容

153 篇文章

订阅专栏

本文探讨了如何通过监控和优化应用内存使用情况来提升系统性能。包括获取应用内存使用情况、系统剩余内存状态以及利用ActivityManager进行内存信息查询。

// 单个应用内存
Log.v("Jason", "Debug.getNativeHeapSize() = " + (Debug.getNativeHeapSize() >> 10));
Log.v("Jason", "Debug.getNativeHeapFreeSize() = " + (Debug.getNativeHeapFreeSize() >> 10));
Log.v("Jason", "Debug.getNativeHeapAllocatedSize() = " + (Debug.getNativeHeapAllocatedSize() >> 10));

final ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);

ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo();

activityManager.getMemoryInfo(info);

Log.i("Jason","系统剩余内存:"+(info.availMem >> 10)+"k");
Log.i("Jason","系统总内存:"+(info.totalMem >> 10)+"k");

Log.i("Jason","系统是否处于低内存运行："+info.lowMemory);

Log.i("Jason","当系统剩余内存低于"+info.threshold+"时就看成低内存运行");