private ActivityManager am;
am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
MemoryInfo outInfo = new ActivityManager.MemoryInfo();
am.getMemoryInfo(outInfo);
return outInfo.availMem;

返回的是 long 型的byte数据。

MongoDB数据库简介及安装,布布扣,bubuko.com

MongoDB数据库简介及安装