1 private String getTotalMemory() { 2         String str1 = "/proc/meminfo";// 系统内存信息文件 3         String str2; 4         String[] arrayOfString; 5         long initial_memory = 0; 6         try { 7             FileReader localFileReader = new FileReader(str1); 8             BufferedReader localBufferedReader = new BufferedReader( 9                     localFileReader, 8192);10             str2 = localBufferedReader.readLine();// 读取meminfo第一行，系统总内存大小11 12             arrayOfString = str2.split("\\s+");13             for (String num : arrayOfString) {14                 Log.i(str2, num + "\t");15             }16 17             initial_memory = Integer.valueOf(arrayOfString[1]).intValue() * 1024;// 获得系统总内存，单位是KB，乘以1024转换为Byte18             localBufferedReader.close();19 20         } catch (IOException e) {21         }22         return Formatter.formatFileSize(getBaseContext(), initial_memory);// Byte转换为KB或者MB，内存大小规格化23     }