获取系统运行的所有进程的信息

自己写的一些工具类

public class TaskInfoUtils {
    /**
     * 获取全部进程的信息
     * 
     * @param pContext
     * @return
     */
    public static List<TaskInfo> getTaskInfos(Context pContext) {
        // 1获取到ActivityManager和PackageManager
        ActivityManager _ActivityManager = (ActivityManager) pContext
                .getSystemService(pContext.ACTIVITY_SERVICE);
        PackageManager _PackageManager = pContext.getPackageManager();
        List<TaskInfo> _TaskInfos = new ArrayList<TaskInfo>();
        // 2获取到所有在运行的进程
        List<RunningAppProcessInfo> _RunningAppProcessInfos = _ActivityManager
                .getRunningAppProcesses();
        //3 遍历进程，获取他的信息
        for (RunningAppProcessInfo runningAppProcessInfo : _RunningAppProcessInfos) {
            TaskInfo _TaskInfo = new TaskInfo();
            MemoryInfo[] memoryInfos = _ActivityManager
                    .getProcessMemoryInfo(new int[] { runningAppProcessInfo.pid });
            long _MemSize = memoryInfos[0].getTotalPrivateDirty() * 1024;// 进程消耗的内存
            String _packageName = runningAppProcessInfo.processName;// 进程的包
            ApplicationInfo _ApplicationInfo;
            try {
                _ApplicationInfo = _PackageManager.getApplicationInfo(
                        _packageName, 0);
                Drawable _Icon = _ApplicationInfo.loadIcon(_PackageManager);// 程序图标
                String _Name = _ApplicationInfo.loadLabel(_PackageManager)
                        .toString();// 程序名

                _TaskInfo.setIcon(_Icon);
                _TaskInfo.setMemsize(_MemSize);
                _TaskInfo.setName(_Name);
                _TaskInfo.setPackname(_packageName);
                if ((_ApplicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
                    // 用户进程
                    _TaskInfo.setUserTask(true);
                } else {
                    // 系统进程
                    _TaskInfo.setUserTask(false);
                }
                _TaskInfos.add(_TaskInfo);
            } catch (NameNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
        return _TaskInfos;
    }
 class TaskInfo {
    private Drawable icon;
    private String name;
    private long memsize;
    private boolean userTask;
    private String packname;

    public Drawable getIcon() {
        return icon;
    }

    public void setIcon(Drawable icon) {
        this.icon = icon;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public long getMemsize() {
        return memsize;
    }

    public void setMemsize(long memsize) {
        this.memsize = memsize;
    }

    public boolean isUserTask() {
        return userTask;
    }

    public void setUserTask(boolean userTask) {
        this.userTask = userTask;
    }

    public String getPackname() {
        return packname;
    }

    public void setPackname(String packname) {
        this.packname = packname;
    }

    @Override
    public String toString() {
        return "TaskInfo [ name=" + name + ", memsize="
                + memsize + ", userTask=" + userTask + ", packname=" + packname
                + "]";
    }
}

}