android 系统内存显示
16lz
2021-01-23
1、系统总内存
//查看总内存 private String GetTotalMemory() { String str1 = "/proc/meminfo"; String str2; Double memory = 0.0; try { FileReader r = new FileReader(str1); BufferedReader bufferedRead = new BufferedReader(r, 8192); str2 = bufferedRead.readLine(); String str4 = str2.substring(str2.length() - 9, str2.length() - 3); memory = Double.parseDouble(str4) / 1000; } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } return memory+"M"; } 2、所剩内存
private String getRestMemory() { final ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); ActivityManager.MemoryInfo info = new ActivityManager.MemoryInfo(); activityManager.getMemoryInfo(info); Log.i("Main:","系统剩余内存:"+(info.availMem >> 10)+"k"); Log.i("Main:","系统是否处于低内存运行："+info.lowMemory); Log.i("Main:","当系统剩余内存低于"+info.threshold+"时就看成低内存运行"); return (info.availMem >> 10)/1024 + "M " +(info.availMem >> 10)%1024 + "k"; } 3、使用
String s = "系统内存："+GetTotalMemory()+"\n"+"系统剩余内存:"+displayBriefMemory();更多相关文章
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