android系统进程手机内存工具类，android工具类, public c

android系统进程手机内存工具类，android工具类, public c

    public class TaskUtils {          /**          * 获取正在运行的进程的个数          *           * @param context          * @return          */          public static int getRunningProcessCount(Context context) {              // 得到系统的任务管理器.              ActivityManager am = (ActivityManager) context                      .getSystemService(Context.ACTIVITY_SERVICE);              return am.getRunningAppProcesses().size();          }          /**          * 获取手机的可用内存          *           * @param context          * @return long类型数据 总的可用内存          */          public static long getAvailRam(Context context) {              ActivityManager am = (ActivityManager) context                      .getSystemService(Context.ACTIVITY_SERVICE);              ActivityManager.MemoryInfo outInfo = new MemoryInfo();              am.getMemoryInfo(outInfo);              return outInfo.availMem;          }          /**          * 获取手机的总内存          *           * @return          */          public static long getTotalRam() {              try {                  File file = new File("/proc/meminfo");                  FileInputStream fis = new FileInputStream(file);                  BufferedReader br = new BufferedReader(new InputStreamReader(fis));                  // MemTotal: 253604 kB                  String result = br.readLine();                  StringBuffer sb = new StringBuffer();                  char[] chars = result.toCharArray();                  for (char c : chars) {                      if (c >= '0' &amp;&amp; c <= '9') {                          sb.append(c);                      }                  }                  return Long.parseLong(sb.toString()) * 1024;              } catch (Exception e) {                  // TODO Auto-generated catch block                  e.printStackTrace();                  return 0;              }          }      }