- 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' && c <= '9') {
- sb.append(c);
- }
- }
- return Long.parseLong(sb.toString()) * 1024;
- } catch (Exception e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return 0;
- }
- }
- }
来源: http://www.phpxs.com/code/1002761/